FNUS53 KUNR 181844 FWFUNR Fire Weather Planning Forecast for NE Wyoming and WRN South Dakota National Weather Service Rapid City SD 1244 PM MDT Mon May 18 2026 .DISCUSSION...Ongoing widespread rain and snow (for the higher elevations) will taper off late this afternoon through the evening. Near to below freezing temperatures are expected across the entire forecast area tonight into Tuesday morning. Temperatures will warm to near seasonable levels by Wednesday. Warming trend will continue through the week into the weekend. Expect mostly dry conditions Tues-Thurs morning, but precipitation chances return late Thursday into the weekend. WYZ314-191015- Northern Campbell- Including Gillette and Weston 1244 PM MDT Mon May 18 2026 .TONIGHT... Sky/weather.........Cloudy then becoming mostly clear. Widespread frost after midnight. Chc of wetting rain.0 percent. Min temperature.....Around 25. Max humidity........94-100 percent. 20-foot winds.......North 10 to 15 mph with gusts to around 25 mph shifting to the west around 5 mph after midnight. Transport winds.....North around 25 mph becoming west around 10 mph after midnight. Smoke dispersal.....Poor. Mixing height.......400 to 500 ft agl. .TUESDAY... Sky/weather.........Sunny. Widespread frost in the morning. Chc of wetting rain.0 percent. Max temperature.....Around 59. Min humidity........19-25 percent. 20-foot winds.......West 5 to 10 mph. Transport winds.....West around 10 mph. Smoke dispersal.....Good. Mixing height.......7700 to 9700 ft agl. .TUESDAY NIGHT... Sky/weather.........Mostly clear. Chc of wetting rain.0 percent. Min temperature.....Around 35. Max humidity........55-69 percent. 20-foot winds.......South 10 to 15 mph with gusts to around 25 mph. Transport winds.....South around 25 mph. Smoke dispersal.....Poor. Mixing height.......400 to 500 ft agl. .WEDNESDAY... Sky/weather.........Sunny. Chc of wetting rain.0 percent. Max temperature.....Around 69. Min humidity........18 percent. 20-foot winds.......South 10 to 15 mph with gusts to around 25 mph shifting to the west 5 to 10 mph in the afternoon. Transport winds.....South around 25 mph becoming west around 15 mph in the afternoon. Smoke dispersal.....Good increasing to very good in the afternoon. Mixing height.......9800 to 12300 ft agl. .FORECAST DAYS 3 THROUGH 7... .THURSDAY...Mostly cloudy. Chance of showers and slight chance of thunderstorms. Lows in the upper 30s. Highs in the lower 60s. Northwest winds 10 to 15 mph. .FRIDAY...Mostly cloudy. Chance of showers and slight chance of thunderstorms. Lows in the upper 30s. Highs in the mid 60s. Northwest winds 10 to 15 mph. .SATURDAY...Partly cloudy. Slight chance of showers. Lows in the upper 30s. Highs in the mid 70s. Southwest winds around 10 mph. .SUNDAY...Mostly clear. Lows in the mid 40s. Highs in the lower 80s. .MEMORIAL DAY...Mostly clear. Lows in the upper 40s. Highs in the mid 80s. $$ WYZ315-191015- Southern Campbell- Including Wright and Savageton 1244 PM MDT Mon May 18 2026 .TONIGHT... Sky/weather.........Mostly cloudy then becoming mostly clear. Widespread frost through the night. Chc of wetting rain.0 percent. Min temperature.....Around 24. Max humidity........100 percent. 20-foot winds.......North 10 to 15 mph with gusts to around 25 mph shifting to the west 5 to 10 mph after midnight. Transport winds.....North around 25 mph becoming west around 10 mph after midnight. Smoke dispersal.....Poor. Mixing height.......400 to 500 ft agl. .TUESDAY... Sky/weather.........Sunny. Widespread frost in the morning. Chc of wetting rain.0 percent. Max temperature.....Around 55. Min humidity........26-32 percent. 20-foot winds.......West 5 to 10 mph. Transport winds.....West around 15 mph. Smoke dispersal.....Good. Mixing height.......6800 to 8600 ft agl. .TUESDAY NIGHT... Sky/weather.........Mostly clear. Chc of wetting rain.0 percent. Min temperature.....Around 30. Max humidity........72-82 percent. 20-foot winds.......Southwest 10 to 15 mph. Transport winds.....Southwest around 20 mph. Smoke dispersal.....Poor. Mixing height.......400 to 500 ft agl. .WEDNESDAY... Sky/weather.........Sunny. Chc of wetting rain.0 percent. Max temperature.....Around 65. Min humidity........23 percent. 20-foot winds.......Southwest 10 to 15 mph. Transport winds.....Southwest around 20 mph. Smoke dispersal.....Good increasing to excellent in the afternoon. Mixing height.......9400 to 11800 ft agl. .FORECAST DAYS 3 THROUGH 7... .THURSDAY...Mostly cloudy. Showers likely and slight chance of thunderstorms. Lows in the mid 30s. Highs around 60. Northwest winds around 15 mph. .FRIDAY...Mostly cloudy. Showers likely and slight chance of thunderstorms. Lows in the mid 30s. Highs in the lower 60s. Northwest winds around 15 mph. .SATURDAY...Warmer. Partly cloudy. Lows in the upper 30s. Highs in the lower 70s. Southwest winds 10 to 15 mph. .SUNDAY...Mostly clear. Lows in the lower 40s. Highs around 80. .MEMORIAL DAY...Mostly clear. Lows in the mid 40s. Highs in the mid 80s. $$ WYZ316-191015- Crook County Plains- Including Moorcroft, Devils Tower, Hulett, and New Haven 1244 PM MDT Mon May 18 2026 .TONIGHT... Sky/weather.........Cloudy then becoming partly cloudy. Widespread frost after midnight. Chc of wetting rain.0 percent. Min temperature.....Around 25. Max humidity........100 percent. 20-foot winds.......North 10 to 15 mph shifting to the west around 5 mph after midnight. Transport winds.....Northwest around 25 mph becoming west around 10 mph after midnight. Smoke dispersal.....Poor. Mixing height.......400 to 500 ft agl. .TUESDAY... Sky/weather.........Sunny. Widespread frost in the morning. Chc of wetting rain.0 percent. Max temperature.....Around 59. Min humidity........23 percent. 20-foot winds.......West 5 to 10 mph. Transport winds.....West around 15 mph. Smoke dispersal.....Fair increasing to good in the afternoon. Mixing height.......7200 to 9000 ft agl. .TUESDAY NIGHT... Sky/weather.........Mostly clear. Chc of wetting rain.0 percent. Min temperature.....Around 32. Max humidity........68-80 percent. 20-foot winds.......South 10 to 15 mph. Transport winds.....South 20 to 25 mph. Smoke dispersal.....Poor. Mixing height.......400 to 500 ft agl. .WEDNESDAY... Sky/weather.........Sunny. Chc of wetting rain.0 percent. Max temperature.....Around 69. Min humidity........20 percent. 20-foot winds.......South 10 to 15 mph with gusts to around 25 mph. Transport winds.....South around 30 mph becoming southwest around 15 mph in the afternoon. Smoke dispersal.....Good increasing to very good in the afternoon. Mixing height.......9700 to 12200 ft agl. .FORECAST DAYS 3 THROUGH 7... .THURSDAY...Mostly cloudy. Chance of showers and slight chance of thunderstorms. Lows in the upper 30s. Highs in the mid 60s. Northwest winds around 10 mph. .FRIDAY...Mostly cloudy. Chance of showers and thunderstorms. Lows in the mid 30s. Highs in the mid 60s. Northwest winds 10 to 15 mph. .SATURDAY...Partly cloudy. Slight chance of showers. Lows in the upper 30s. Highs in the mid 70s. Southwest winds around 10 mph. .SUNDAY...Mostly clear. Lows in the lower 40s. Highs in the lower 80s. .MEMORIAL DAY...Mostly clear. Lows in the mid 40s. Highs in the mid 80s. $$ WYZ317-191015- Weston County Plains- Including Newcastle, Upton, and Rochelle 1244 PM MDT Mon May 18 2026 .TONIGHT... Sky/weather.........Mostly cloudy then becoming partly cloudy. Widespread frost after midnight. Chc of wetting rain.0 percent. Min temperature.....Around 26. Max humidity........92-100 percent. 20-foot winds.......North 15 to 20 mph with gusts to around 30 mph becoming northwest 5 to 10 mph after midnight. Transport winds.....North around 25 mph becoming northwest around 15 mph after midnight. Smoke dispersal.....Poor. Mixing height.......400 to 500 ft agl. .TUESDAY... Sky/weather.........Sunny. Widespread frost in the morning. Chc of wetting rain.0 percent. Max temperature.....Around 57. Min humidity........22 percent. 20-foot winds.......Northwest 5 to 10 mph. Transport winds.....West around 15 mph. Smoke dispersal.....Fair increasing to good in the afternoon. Mixing height.......6600 to 8300 ft agl. .TUESDAY NIGHT... Sky/weather.........Mostly clear. Chc of wetting rain.0 percent. Min temperature.....Around 31. Max humidity........72-84 percent. 20-foot winds.......South 5 to 10 mph. Transport winds.....South 15 to 20 mph. Smoke dispersal.....Poor. Mixing height.......400 to 500 ft agl. .WEDNESDAY... Sky/weather.........Sunny. Chc of wetting rain.0 percent. Max temperature.....Around 66. Min humidity........21 percent. 20-foot winds.......South 10 to 15 mph. Transport winds.....South 15 to 20 mph. Smoke dispersal.....Good increasing to very good in the afternoon. Mixing height.......9100 to 11400 ft agl. .FORECAST DAYS 3 THROUGH 7... .THURSDAY...Partly cloudy. Chance of showers and slight chance of thunderstorms. Lows in the upper 30s. Highs in the mid 60s. Northwest winds around 15 mph. .FRIDAY...Mostly cloudy. Showers likely and chance of thunderstorms. Lows in the upper 30s. Highs in the lower 60s. Northwest winds 15 to 20 mph. .SATURDAY...Warmer. Partly cloudy. Slight chance of showers. Lows in the upper 30s. Highs in the mid 70s. Southwest winds around 10 mph. .SUNDAY...Mostly clear. Lows in the lower 40s. Highs in the lower 80s. .MEMORIAL DAY...Mostly clear. Lows in the mid 40s. Highs in the mid 80s. $$ WYZ318-191015- Wyoming Black Hills- Including Sundance and Four Corners 1244 PM MDT Mon May 18 2026 .TONIGHT... Sky/weather.........Cloudy then becoming partly cloudy. Slight chance of snow showers in the evening. Widespread frost after midnight. Chc of wetting rain.10 percent. Min temperature.....Around 26. Max humidity........94-100 percent. 20-foot winds.......Northwest 10 to 15 mph. Gusts to around 25 mph in the evening. Transport winds.....North around 25 mph becoming northwest around 10 mph after midnight. Smoke dispersal.....Poor. Mixing height.......400 to 500 ft agl. .TUESDAY... Sky/weather.........Sunny. Widespread frost in the morning. Chc of wetting rain.0 percent. Max temperature.....51-57. Min humidity........24-30 percent. 20-foot winds.......West 5 to 10 mph. Transport winds.....West around 15 mph. Smoke dispersal.....Fair increasing to good in the afternoon. Mixing height.......6800 to 8600 ft agl. .TUESDAY NIGHT... Sky/weather.........Mostly clear. Chc of wetting rain.0 percent. Min temperature.....Around 34. Max humidity........60-72 percent. 20-foot winds.......South 10 to 15 mph. Transport winds.....South 20 to 25 mph. Smoke dispersal.....Poor. Mixing height.......400 to 500 ft agl. .WEDNESDAY... Sky/weather.........Sunny. Chc of wetting rain.0 percent. Max temperature.....59-67. Min humidity........23-29 percent. 20-foot winds.......South 10 to 15 mph with gusts to around 25 mph. Transport winds.....South around 25 mph becoming southwest around 15 mph in the afternoon. Smoke dispersal.....Good increasing to very good in the afternoon. Mixing height.......9200 to 11500 ft agl. .FORECAST DAYS 3 THROUGH 7... .THURSDAY...Partly cloudy. Showers likely and slight chance of thunderstorms. Lows in the upper 30s. Highs in the lower 60s. Northwest winds 10 to 15 mph. .FRIDAY...Mostly cloudy. Chance of showers and thunderstorms. Lows in the upper 30s. Highs in the upper 50s. Northwest winds 10 to 15 mph. .SATURDAY...Warmer. Partly cloudy. Chance of showers. Lows around 40. Highs around 70. Southwest winds around 10 mph. .SUNDAY...Mostly clear. Lows in the mid 40s. Highs in the upper 70s. .MEMORIAL DAY...Mostly clear. Lows around 50. Highs in the lower 80s. $$ SDZ327-191015- Butte County Area- Including Belle Fourche, Colony, and Newell 1244 PM MDT Mon May 18 2026 .TONIGHT... Sky/weather.........Mostly cloudy. Slight chance of rain showers in the evening. Widespread frost after midnight. Chc of wetting rain.0 percent. Min temperature.....Around 31. Max humidity........99 percent. 20-foot winds.......Northwest 10 to 20 mph. Gusts to around 30 mph in the evening. Transport winds.....Northwest around 30 mph decreasing to around 20 mph after midnight. Smoke dispersal.....Poor. Mixing height.......400 to 500 ft agl. .TUESDAY... Sky/weather.........Sunny. Widespread frost in the morning. Chc of wetting rain.0 percent. Max temperature.....Around 59. Min humidity........26 percent. 20-foot winds.......Northwest 10 to 15 mph with gusts to around 25 mph. Transport winds.....West around 20 mph. Smoke dispersal.....Good increasing to very good in the afternoon. Mixing height.......6200 to 7800 ft agl. .TUESDAY NIGHT... Sky/weather.........Mostly clear. Chc of wetting rain.0 percent. Min temperature.....Around 34. Max humidity........78-86 percent. 20-foot winds.......Southeast 10 to 15 mph with gusts to around 25 mph. Transport winds.....South around 20 mph. Smoke dispersal.....Poor. Mixing height.......400 to 500 ft agl. .WEDNESDAY... Sky/weather.........Sunny. Chc of wetting rain.0 percent. Max temperature.....Around 70. Min humidity........27 percent. 20-foot winds.......Southeast 20 to 30 mph with gusts to around 40 mph. Transport winds.....South around 30 mph increasing to around 40 mph in the afternoon. Smoke dispersal.....Very good increasing to excellent in the afternoon. Mixing height.......8600 to 10800 ft agl. .FORECAST DAYS 3 THROUGH 7... .THURSDAY...Windy. Partly cloudy. Chance of showers and slight chance of thunderstorms. Lows in the upper 30s. Highs in the upper 60s. North winds around 30 mph. .FRIDAY...Windy. Mostly cloudy. Chance of showers and slight chance of thunderstorms. Lows around 40. Highs in the mid 60s. Northwest winds 20 to 30 mph. .SATURDAY...Partly cloudy. Slight chance of showers. Lows around 40. Highs in the mid 70s. South winds 15 to 20 mph. .SUNDAY...Mostly clear. Lows in the mid 40s. Highs in the mid 80s. .MEMORIAL DAY...Mostly clear. Lows in the upper 40s. Highs in the upper 80s. $$ SDZ319-191015- Northern Black Hills- Including Lead, Deadwood, and Rochford 1244 PM MDT Mon May 18 2026 .TONIGHT... Sky/weather.........Mostly cloudy. Chance of snow showers in the evening. Widespread frost after midnight. Chc of wetting rain.30 percent. Min temperature.....18-26. Max humidity........99 percent. 20-foot winds.......Northwest 10 to 15 mph with gusts to around 25 mph. Transport winds.....Northwest 20 to 25 mph. Smoke dispersal.....Poor. Mixing height.......600 to 700 ft agl. .TUESDAY... Sky/weather.........Sunny. Widespread frost in the morning. Chc of wetting rain.0 percent. Max temperature.....45-53. Min humidity........33-39 percent. 20-foot winds.......Northwest 5 to 10 mph. Gusts to around 20 mph in the morning. Transport winds.....West 15 to 20 mph. Smoke dispersal.....Good. Mixing height.......6000 to 7600 ft agl. .TUESDAY NIGHT... Sky/weather.........Mostly clear. Chc of wetting rain.0 percent. Min temperature.....26-32. Max humidity........69-81 percent. 20-foot winds.......Southwest 5 to 10 mph. Gusts to around 20 mph after midnight. Transport winds.....Southwest around 15 mph increasing to around 25 mph after midnight. Smoke dispersal.....Poor. Mixing height.......400 to 500 ft agl. .WEDNESDAY... Sky/weather.........Sunny. Slight chance of showers and thunderstorms in the afternoon. Chc of wetting rain.0 percent. Max temperature.....54-62. Min humidity........35 percent. 20-foot winds.......South 10 to 15 mph with gusts to around 25 mph. Transport winds.....Southwest around 25 mph decreasing to around 15 mph in the afternoon. Smoke dispersal.....Good. Mixing height.......7300 to 9200 ft agl. .FORECAST DAYS 3 THROUGH 7... .THURSDAY...Partly cloudy. Showers likely and slight chance of thunderstorms. Lows in the mid 30s. Highs in the upper 50s. West winds around 10 mph. .FRIDAY...Mostly cloudy. Showers likely and chance of thunderstorms. Lows in the mid 30s. Highs in the mid 50s. Northwest winds around 10 mph. .SATURDAY...Warmer. Partly cloudy. Chance of showers and slight chance of thunderstorms. Lows in the mid 30s. Highs in the mid 60s. West winds around 10 mph. .SUNDAY...Mostly clear. Lows in the lower 40s. Highs in the mid 70s. .MEMORIAL DAY...Mostly clear. Lows in the mid 40s. Highs in the upper 70s. $$ SDZ320-191015- Central Black Hills- Including Custer, Hill City, and Keystone 1244 PM MDT Mon May 18 2026 .TONIGHT... Sky/weather.........Cloudy then becoming partly cloudy. Chance of snow showers and slight chance of rain showers in the evening. Widespread frost after midnight. Chc of wetting rain.20 percent. Min temperature.....19-27. Max humidity........91-100 percent. 20-foot winds.......Northwest 5 to 10 mph with gusts to around 25 mph. Transport winds.....Northwest 20 to 25 mph. Smoke dispersal.....Poor. Mixing height.......500 to 600 ft agl. .TUESDAY... Sky/weather.........Sunny. Widespread frost in the morning. Chc of wetting rain.0 percent. Max temperature.....46-54. Min humidity........29-37 percent. 20-foot winds.......Northwest 5 to 10 mph with gusts to around 20 mph. Transport winds.....Northwest 15 to 20 mph. Smoke dispersal.....Good. Mixing height.......6100 to 7700 ft agl. .TUESDAY NIGHT... Sky/weather.........Mostly clear. Chc of wetting rain.0 percent. Min temperature.....27-33. Max humidity........66-78 percent. 20-foot winds.......Southwest 5 to 10 mph. Gusts to around 20 mph after midnight. Transport winds.....Southwest 15 to 20 mph. Smoke dispersal.....Poor. Mixing height.......400 to 500 ft agl. .WEDNESDAY... Sky/weather.........Mostly sunny. Slight chance of snow showers in the morning. Slight chance of rain showers through the day. Slight chance of thunderstorms in the afternoon. Chc of wetting rain.10 percent. Max temperature.....54-62. Min humidity........33-39 percent. 20-foot winds.......South 10 to 15 mph with gusts to around 30 mph. Transport winds.....Southwest 20 to 25 mph. Smoke dispersal.....Good increasing to very good in the afternoon. Mixing height.......7000 to 8800 ft agl. .FORECAST DAYS 3 THROUGH 7... .THURSDAY...Partly cloudy. Showers likely and chance of thunderstorms. Lows in the upper 30s. Highs in the upper 50s. South winds 10 to 15 mph. .FRIDAY...Mostly cloudy. Showers likely and chance of thunderstorms. Lows in the upper 30s. Highs in the mid 50s. Northwest winds around 10 mph. .SATURDAY...Partly cloudy. Chance of showers and slight chance of thunderstorms. Lows in the upper 30s. Highs in the mid 60s. Southwest winds around 10 mph. .SUNDAY...Mostly clear. Lows in the mid 40s. Highs in the mid 70s. .MEMORIAL DAY...Mostly clear. Lows in the upper 40s. Highs in the upper 70s. $$ SDZ321-191015- Southern Black Hills- Including Pringle, Custer State Park, and Wind Cave 1244 PM MDT Mon May 18 2026 .TONIGHT... Sky/weather.........Mostly cloudy then becoming partly cloudy. Chance of rain showers and snow showers in the evening. Widespread frost after midnight. Chc of wetting rain.20 percent. Min temperature.....Around 27. Max humidity........87-93 percent. 20-foot winds.......Northwest 5 to 10 mph. Gusts to around 20 mph in the evening. Transport winds.....Northwest 15 to 20 mph. Smoke dispersal.....Poor. Mixing height.......400 to 500 ft agl. .TUESDAY... Sky/weather.........Sunny. Widespread frost in the morning. Chc of wetting rain.0 percent. Max temperature.....Around 55. Min humidity........23-29 percent. 20-foot winds.......Northwest 5 to 10 mph shifting to the southwest with gusts to around 20 mph in the afternoon. Transport winds.....West 15 to 20 mph. Smoke dispersal.....Fair increasing to very good in the afternoon. Mixing height.......5900 to 7400 ft agl. .TUESDAY NIGHT... Sky/weather.........Mostly clear. Chc of wetting rain.0 percent. Min temperature.....Around 34. Max humidity........62-68 percent. 20-foot winds.......Southwest 5 to 10 mph. Gusts to around 20 mph in the evening. Transport winds.....Southwest around 15 mph. Smoke dispersal.....Poor. Mixing height.......400 to 500 ft agl. .WEDNESDAY... Sky/weather.........Mostly sunny. Chance of rain showers through the day. Slight chance of thunderstorms in the afternoon. Chc of wetting rain.20 percent. Max temperature.....Around 61. Min humidity........29-35 percent. 20-foot winds.......South 10 to 15 mph with gusts to around 25 mph. Transport winds.....Southwest around 25 mph. Smoke dispersal.....Good increasing to very good in the afternoon. Mixing height.......6800 to 8600 ft agl. .FORECAST DAYS 3 THROUGH 7... .THURSDAY...Partly cloudy. Showers likely and chance of thunderstorms. Lows around 40. Highs in the lower 60s. South winds around 15 mph. .FRIDAY...Mostly cloudy. Showers likely and chance of thunderstorms. Lows in the lower 40s. Highs around 60. Northwest winds 10 to 15 mph. .SATURDAY...Warmer. Partly cloudy. Slight chance of showers and thunderstorms. Lows in the lower 40s. Highs in the lower 70s. Southwest winds around 10 mph. .SUNDAY...Mostly clear. Lows in the upper 40s. Highs in the lower 80s. .MEMORIAL DAY...Mostly clear. Lows in the lower 50s. Highs in the mid 80s. $$ SDZ322-191015- Fall River County Area- Including Hot Springs, Edgemont, and Ardmore 1244 PM MDT Mon May 18 2026 .TONIGHT... Sky/weather.........Cloudy then becoming partly cloudy. Chance of rain showers in the evening. Widespread frost after midnight. Chc of wetting rain.30 percent. Min temperature.....Around 30. Max humidity........88-94 percent. 20-foot winds.......Northwest 10 to 15 mph with gusts to around 25 mph. Transport winds.....Northwest around 20 mph. Smoke dispersal.....Poor. Mixing height.......400 to 500 ft agl. .TUESDAY... Sky/weather.........Sunny. Widespread frost in the morning. Chc of wetting rain.0 percent. Max temperature.....Around 58. Min humidity........23 percent. 20-foot winds.......West 10 to 15 mph with gusts to around 25 mph. Transport winds.....West around 20 mph. Smoke dispersal.....Good increasing to very good in the afternoon. Mixing height.......6000 to 7500 ft agl. .TUESDAY NIGHT... Sky/weather.........Mostly clear. Chc of wetting rain.0 percent. Min temperature.....Around 35. Max humidity........68-80 percent. 20-foot winds.......Southwest 5 to 10 mph. Gusts to around 20 mph in the evening. Transport winds.....Southwest 10 to 15 mph. Smoke dispersal.....Poor. Mixing height.......400 to 500 ft agl. .WEDNESDAY... Sky/weather.........Mostly sunny. Chance of rain showers through the day. Slight chance of thunderstorms in the afternoon. Chc of wetting rain.10 percent. Max temperature.....Around 66. Min humidity........29 percent. 20-foot winds.......South 15 to 20 mph with gusts to around 30 mph. Transport winds.....South around 25 mph. Smoke dispersal.....Very good increasing to excellent in the afternoon. Mixing height.......7400 to 9300 ft agl. .FORECAST DAYS 3 THROUGH 7... .THURSDAY...Breezy. Partly cloudy. Chance of showers and thunderstorms. Lows around 40. Highs in the upper 60s. South winds 20 to 25 mph. .FRIDAY...Mostly cloudy. Showers likely and chance of thunderstorms. Lows in the lower 40s. Highs in the mid 60s. Northwest winds 15 to 20 mph. .SATURDAY...Warmer. Partly cloudy. Slight chance of showers and thunderstorms. Lows in the lower 40s. Highs in the mid 70s. Southwest winds 10 to 15 mph. .SUNDAY...Mostly clear. Lows in the mid 40s. Highs in the mid 80s. .MEMORIAL DAY...Mostly clear. Lows around 50. Highs in the upper 80s. $$ SDZ323-191015- Northern Foot Hills- Including Spearfish and Sturgis 1244 PM MDT Mon May 18 2026 .TONIGHT... Sky/weather.........Mostly cloudy. Chance of rain showers in the evening. Widespread frost after midnight. Chc of wetting rain.20 percent. Min temperature.....Around 31. Max humidity........89-95 percent. 20-foot winds.......Northwest 10 to 15 mph. Gusts to around 30 mph in the evening. Transport winds.....Northwest 20 to 25 mph. Smoke dispersal.....Poor. Mixing height.......500 to 600 ft agl. .TUESDAY... Sky/weather.........Sunny. Widespread frost in the morning. Chc of wetting rain.0 percent. Max temperature.....Around 58. Min humidity........29 percent. 20-foot winds.......Northwest 10 to 15 mph with gusts to around 25 mph. Transport winds.....West around 20 mph. Smoke dispersal.....Good increasing to very good in the afternoon. Mixing height.......6400 to 8100 ft agl. .TUESDAY NIGHT... Sky/weather.........Mostly clear. Chc of wetting rain.0 percent. Min temperature.....Around 36. Max humidity........62-72 percent. 20-foot winds.......South 5 to 10 mph. Gusts to around 20 mph after midnight. Transport winds.....Southwest around 20 mph. Smoke dispersal.....Poor. Mixing height.......400 to 500 ft agl. .WEDNESDAY... Sky/weather.........Sunny. Slight chance of showers and thunderstorms in the afternoon. Chc of wetting rain.0 percent. Max temperature.....Around 68. Min humidity........27-33 percent. 20-foot winds.......South 15 to 20 mph with gusts to around 30 mph. Transport winds.....South around 25 mph. Smoke dispersal.....Very good increasing to excellent in the afternoon. Mixing height.......8500 to 10700 ft agl. .FORECAST DAYS 3 THROUGH 7... .THURSDAY...Partly cloudy. Showers likely and slight chance of thunderstorms. Lows in the lower 40s. Highs in the mid 60s. North winds around 20 mph. .FRIDAY...Mostly cloudy. Chance of showers and slight chance of thunderstorms. Lows in the lower 40s. Highs in the lower 60s. Northwest winds 15 to 20 mph. .SATURDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows in the lower 40s. Highs in the lower 70s. East winds around 15 mph. .SUNDAY...Mostly clear. Lows in the upper 40s. Highs in the lower 80s. .MEMORIAL DAY...Mostly clear. Lows in the mid 50s. Highs in the upper 80s. $$ SDZ324-191015- Eastern Foot Hills- Including Rapid City and Piedmont 1244 PM MDT Mon May 18 2026 .TONIGHT... Sky/weather.........Cloudy then becoming partly cloudy. Slight chance of rain showers in the evening. Widespread frost after midnight. Chc of wetting rain.10 percent. Min temperature.....Around 31. Max humidity........88-94 percent. 20-foot winds.......Northwest 15 to 20 mph with gusts to around 30 mph decreasing to 5 to 10 mph with gusts to around 20 mph after midnight. Transport winds.....Northwest around 30 mph decreasing to around 15 mph after midnight. Smoke dispersal.....Poor. Mixing height.......400 to 500 ft agl. .TUESDAY... Sky/weather.........Mostly sunny. Widespread frost in the morning. Chc of wetting rain.0 percent. Max temperature.....Around 58. Min humidity........31 percent. 20-foot winds.......North 5 to 10 mph with gusts to around 20 mph. Transport winds.....Northwest 15 to 20 mph. Smoke dispersal.....Good increasing to very good in the afternoon. Mixing height.......6100 to 7700 ft agl. .TUESDAY NIGHT... Sky/weather.........Mostly clear. Chc of wetting rain.0 percent. Min temperature.....Around 36. Max humidity........66-72 percent. 20-foot winds.......South 5 to 10 mph. Transport winds.....Southwest around 15 mph. Smoke dispersal.....Poor. Mixing height.......400 to 500 ft agl. .WEDNESDAY... Sky/weather.........Mostly sunny. Slight chance of rain showers through the day. Slight chance of thunderstorms in the afternoon. Chc of wetting rain.0 percent. Max temperature.....Around 66. Min humidity........35 percent. 20-foot winds.......South 15 to 25 mph with gusts to around 40 mph. Transport winds.....South around 35 mph. Smoke dispersal.....Very good increasing to excellent in the afternoon. Mixing height.......6700 to 8400 ft agl. .FORECAST DAYS 3 THROUGH 7... .THURSDAY...Partly cloudy. Showers likely and chance of thunderstorms. Lows in the lower 40s. Highs in the upper 60s. Southeast winds around 20 mph. .FRIDAY...Mostly cloudy. Chance of showers and thunderstorms. Lows in the lower 40s. Highs in the lower 60s. Northwest winds 10 to 20 mph. .SATURDAY...Warmer. Partly cloudy. Slight chance of showers and thunderstorms. Lows in the lower 40s. Highs in the mid 70s. Southeast winds around 10 mph. .SUNDAY...Mostly clear. Lows in the upper 40s. Highs in the mid 80s. .MEMORIAL DAY...Mostly clear. Lows in the lower 50s. Highs in the upper 80s. $$ SDZ325-191015- Custer County Plains- Including Hermosa, Fairburn, Buffalo Gap, and Folsom 1244 PM MDT Mon May 18 2026 .TONIGHT... Sky/weather.........Cloudy then becoming partly cloudy. Slight chance of rain showers in the evening. Widespread frost after midnight. Chc of wetting rain.10 percent. Min temperature.....Around 30. Max humidity........90-98 percent. 20-foot winds.......North 15 to 20 mph with gusts to around 30 mph becoming northwest 5 to 10 mph with gusts to around 20 mph after midnight. Transport winds.....North around 30 mph becoming northwest around 15 mph after midnight. Smoke dispersal.....Poor. Mixing height.......400 to 500 ft agl. .TUESDAY... Sky/weather.........Sunny. Widespread frost in the morning. Chc of wetting rain.0 percent. Max temperature.....Around 59. Min humidity........31 percent. 20-foot winds.......Northwest 5 to 10 mph shifting to the southeast with gusts to around 20 mph in the afternoon. Transport winds.....West 10 to 15 mph. Smoke dispersal.....Fair increasing to good in the afternoon. Mixing height.......5700 to 7200 ft agl. .TUESDAY NIGHT... Sky/weather.........Mostly clear. Chc of wetting rain.0 percent. Min temperature.....Around 34. Max humidity........72-82 percent. 20-foot winds.......Southeast 5 to 10 mph with gusts to around 20 mph shifting to the southwest after midnight. Transport winds.....South around 15 mph. Smoke dispersal.....Poor. Mixing height.......400 to 500 ft agl. .WEDNESDAY... Sky/weather.........Mostly sunny. Chance of rain showers through the day. Slight chance of thunderstorms in the afternoon. Chc of wetting rain.20 percent. Max temperature.....Around 66. Min humidity........35 percent. 20-foot winds.......South 15 to 25 mph with gusts to around 35 mph. Transport winds.....South around 35 mph. Smoke dispersal.....Very good increasing to excellent in the afternoon. Mixing height.......6400 to 8100 ft agl. .FORECAST DAYS 3 THROUGH 7... .THURSDAY...Breezy. Partly cloudy. Showers likely and chance of thunderstorms. Lows around 40. Highs in the upper 60s. South winds around 25 mph. .FRIDAY...Breezy. Mostly cloudy. Showers likely and chance of thunderstorms. Lows in the lower 40s. Highs in the mid 60s. North winds 15 to 25 mph. .SATURDAY...Warmer. Partly cloudy. Slight chance of showers and thunderstorms. Lows in the lower 40s. Highs in the mid 70s. South winds around 15 mph. .SUNDAY...Mostly clear. Lows in the mid 40s. Highs in the mid 80s. .MEMORIAL DAY...Mostly clear. Lows around 50. Highs around 90. $$ SDZ326-191015- Pine Ridge Area- Including Pine Ridge, Oelrichs, Batesland, and Kyle 1244 PM MDT Mon May 18 2026 .TONIGHT... Sky/weather.........Mostly cloudy. Chance of rain showers in the evening. Areas of frost after midnight. Chc of wetting rain.30 percent. Min temperature.....Around 31. Max humidity........95-100 percent. 20-foot winds.......North 15 to 20 mph with gusts to around 30 mph becoming northwest 5 to 10 mph after midnight. Transport winds.....North around 30 mph becoming northwest around 15 mph after midnight. Smoke dispersal.....Poor. Mixing height.......400 to 500 ft agl. .TUESDAY... Sky/weather.........Sunny. Widespread frost in the morning. Chc of wetting rain.0 percent. Max temperature.....Around 59. Min humidity........26 percent. 20-foot winds.......West 10 to 15 mph. Transport winds.....West 15 to 20 mph. Smoke dispersal.....Fair increasing to very good in the afternoon. Mixing height.......5700 to 7200 ft agl. .TUESDAY NIGHT... Sky/weather.........Mostly clear. Chc of wetting rain.0 percent. Min temperature.....Around 35. Max humidity........74-82 percent. 20-foot winds.......South 10 to 15 mph with gusts to around 25 mph. Transport winds.....South around 15 mph increasing to around 25 mph after midnight. Smoke dispersal.....Poor. Mixing height.......400 to 500 ft agl. .WEDNESDAY... Sky/weather.........Partly sunny. Chance of rain showers through the day. Slight chance of thunderstorms in the afternoon. Chc of wetting rain.20 percent. Max temperature.....Around 64. Min humidity........34-40 percent. 20-foot winds.......South 15 to 20 mph increasing to 20 to 30 mph in the afternoon. Transport winds.....South 30 to 35 mph. Smoke dispersal.....Very good increasing to excellent in the afternoon. Mixing height.......6400 to 8100 ft agl. .FORECAST DAYS 3 THROUGH 7... .THURSDAY...Breezy. Partly cloudy. Chance of showers and thunderstorms. Lows around 40. Highs in the upper 60s. South winds around 25 mph. .FRIDAY...Breezy. Mostly cloudy. Showers likely and chance of thunderstorms. Lows in the lower 40s. Highs in the mid 60s. Northwest winds 15 to 25 mph. .SATURDAY...Warmer. Partly cloudy. Slight chance of showers and thunderstorms. Lows in the lower 40s. Highs in the mid 70s. Southwest winds around 15 mph. .SUNDAY...Mostly clear. Lows in the mid 40s. Highs in the mid 80s. .MEMORIAL DAY...Mostly clear. Lows around 50. Highs in the upper 80s. $$ SDZ328-191015- Perkins County- Including Lemmon and Bison 1244 PM MDT Mon May 18 2026 .TONIGHT... Sky/weather.........Mostly cloudy. Slight chance of rain showers in the evening. Areas of frost after midnight. Chc of wetting rain.10 percent. Min temperature.....Around 31. Max humidity........100 percent. 20-foot winds.......Northwest 10 to 20 mph. Transport winds.....North around 25 mph becoming northwest around 15 mph after midnight. Smoke dispersal.....Poor. Mixing height.......600 to 700 ft agl. .TUESDAY... Sky/weather.........Partly sunny then becoming sunny. Widespread frost in the morning. Chc of wetting rain.0 percent. Max temperature.....Around 58. Min humidity........29 percent. 20-foot winds.......Northwest 10 to 15 mph. Transport winds.....Northwest around 20 mph. Smoke dispersal.....Good. Mixing height.......5600 to 7000 ft agl. .TUESDAY NIGHT... Sky/weather.........Mostly clear. Chc of wetting rain.0 percent. Min temperature.....Around 33. Max humidity........82-90 percent. 20-foot winds.......Southeast 10 to 15 mph. Transport winds.....South 15 to 20 mph. Smoke dispersal.....Poor. Mixing height.......400 to 500 ft agl. .WEDNESDAY... Sky/weather.........Sunny. Chc of wetting rain.0 percent. Max temperature.....Around 70. Min humidity........27-33 percent. 20-foot winds.......South 20 to 30 mph. Gusts to around 40 mph in the afternoon. Transport winds.....South around 30 mph increasing to around 40 mph in the afternoon. Smoke dispersal.....Very good increasing to excellent in the afternoon. Mixing height.......7300 to 9200 ft agl. .FORECAST DAYS 3 THROUGH 7... .THURSDAY...Windy. Partly cloudy. Chance of showers and slight chance of thunderstorms. Lows in the upper 30s. Highs in the upper 60s. Southeast winds around 30 mph. .FRIDAY...Windy. Mostly cloudy. Chance of showers and thunderstorms. Lows around 40. Highs in the mid 60s. North winds 20 to 30 mph. .SATURDAY...Partly cloudy. Slight chance of showers. Lows around 40. Highs in the mid 70s. South winds around 15 mph. .SUNDAY...Mostly clear. Lows in the mid 40s. Highs in the mid 80s. .MEMORIAL DAY...Mostly clear. Lows in the upper 40s. Highs in the upper 80s. $$ SDZ329-191015- West Central Plains- Including Faith, Ellsworth AFB, New Underwood, and Wall 1244 PM MDT Mon May 18 2026 .TONIGHT... Sky/weather.........Mostly cloudy. Slight chance of rain showers in the evening. Areas of frost after midnight. Chc of wetting rain.30 percent. Min temperature.....Around 32. Max humidity........94-100 percent. 20-foot winds.......Northwest 10 to 20 mph. Gusts to around 30 mph in the evening. Transport winds.....Northwest around 30 mph decreasing to around 20 mph after midnight. Smoke dispersal.....Poor. Mixing height.......500 to 600 ft agl. .TUESDAY... Sky/weather.........Mostly sunny. Areas of frost in the morning. Chc of wetting rain.0 percent. Max temperature.....Around 60. Min humidity........27 percent. 20-foot winds.......Northwest 10 to 15 mph with gusts to around 25 mph. Transport winds.....Northwest around 20 mph. Smoke dispersal.....Good increasing to very good in the afternoon. Mixing height.......5700 to 7200 ft agl. .TUESDAY NIGHT... Sky/weather.........Mostly clear. Chc of wetting rain.0 percent. Min temperature.....Around 35. Max humidity........77-85 percent. 20-foot winds.......Southeast 10 to 15 mph. Transport winds.....South around 20 mph. Smoke dispersal.....Poor. Mixing height.......400 to 500 ft agl. .WEDNESDAY... Sky/weather.........Sunny. Slight chance of rain showers in the afternoon. Chc of wetting rain.0 percent. Max temperature.....Around 68. Min humidity........31-37 percent. 20-foot winds.......South 25 to 35 mph. Transport winds.....South 40 to 45 mph. Smoke dispersal.....Very good increasing to excellent in the afternoon. Mixing height.......6400 to 8100 ft agl. .FORECAST DAYS 3 THROUGH 7... .THURSDAY...Windy. Partly cloudy. Chance of showers and slight chance of thunderstorms. Lows in the lower 40s. Highs around 70. South winds around 30 mph. .FRIDAY...Windy. Mostly cloudy. Chance of showers and slight chance of thunderstorms. Lows in the lower 40s. Highs in the mid 60s. North winds 20 to 30 mph. .SATURDAY...Partly cloudy. Slight chance of showers. Lows in the lower 40s. Highs in the mid 70s. South winds 15 to 20 mph. .SUNDAY...Warmer. Mostly clear. Lows in the mid 40s. Highs in the mid 80s. .MEMORIAL DAY...Mostly clear. Lows in the lower 50s. Highs around 90. $$ SDZ332-191015- Badlands Area- Including Interior, Scenic, Rockyford, and Wanblee 1244 PM MDT Mon May 18 2026 .TONIGHT... Sky/weather.........Mostly cloudy. Chance of rain showers in the evening. Areas of frost after midnight. Chc of wetting rain.30 percent. Min temperature.....Around 32. Max humidity........98 percent. 20-foot winds.......North 15 to 20 mph with gusts to around 30 mph becoming northwest 5 to 10 mph with gusts to around 20 mph after midnight. Transport winds.....North around 30 mph becoming northwest around 15 mph after midnight. Smoke dispersal.....Poor. Mixing height.......400 to 500 ft agl. .TUESDAY... Sky/weather.........Mostly sunny. Areas of frost in the morning. Chc of wetting rain.0 percent. Max temperature.....Around 59. Min humidity........29 percent. 20-foot winds.......Northwest 10 to 15 mph. Transport winds.....West around 20 mph. Smoke dispersal.....Good. Mixing height.......5100 to 6400 ft agl. .TUESDAY NIGHT... Sky/weather.........Mostly clear. Chc of wetting rain.0 percent. Min temperature.....Around 36. Max humidity........75-83 percent. 20-foot winds.......Southeast 10 to 15 mph with gusts to around 25 mph. Transport winds.....South around 15 mph increasing to around 25 mph after midnight. Smoke dispersal.....Poor. Mixing height.......400 to 500 ft agl. .WEDNESDAY... Sky/weather.........Mostly sunny. Chance of rain showers through the day. Slight chance of thunderstorms in the afternoon. Chc of wetting rain.20 percent. Max temperature.....Around 65. Min humidity........38 percent. 20-foot winds.......South 20 to 30 mph with gusts to around 40 mph. Transport winds.....South 35 to 40 mph. Smoke dispersal.....Very good increasing to excellent in the afternoon. Mixing height.......5400 to 6800 ft agl. .FORECAST DAYS 3 THROUGH 7... .THURSDAY...Windy. Partly cloudy. Chance of showers and thunderstorms. Lows in the lower 40s. Highs around 70. South winds around 30 mph. .FRIDAY...Windy. Mostly cloudy. Showers likely and chance of thunderstorms. Lows in the lower 40s. Highs in the mid 60s. North winds 20 to 30 mph. .SATURDAY...Partly cloudy. Slight chance of showers. Lows in the lower 40s. Highs in the mid 70s. Southwest winds around 15 mph. .SUNDAY...Warmer. Mostly clear. Lows in the upper 40s. Highs in the upper 80s. .MEMORIAL DAY...Mostly clear. Lows in the lower 50s. Highs in the lower 90s. $$ SDZ333-191015- Bennett County Area- Including Martin, Tuthill, Allen, and Long Valley 1244 PM MDT Mon May 18 2026 .TONIGHT... Sky/weather.........Cloudy. Chance of rain showers in the evening. Chc of wetting rain.30 percent. Min temperature.....Around 32. Max humidity........100 percent. 20-foot winds.......Northwest 10 to 20 mph. Gusts to around 35 mph in the evening. Transport winds.....North around 25 mph becoming northwest around 15 mph after midnight. Smoke dispersal.....Poor. Mixing height.......500 to 600 ft agl. .TUESDAY... Sky/weather.........Partly sunny then becoming sunny. Areas of frost in the morning. Chc of wetting rain.0 percent. Max temperature.....Around 57. Min humidity........30 percent. 20-foot winds.......Northwest 10 to 15 mph. Transport winds.....Northwest around 20 mph. Smoke dispersal.....Good. Mixing height.......4800 to 6000 ft agl. .TUESDAY NIGHT... Sky/weather.........Mostly clear. Chc of wetting rain.0 percent. Min temperature.....Around 36. Max humidity........74-84 percent. 20-foot winds.......East 5 to 10 mph increasing to south 15 to 20 mph after midnight. Transport winds.....East around 15 mph increasing to south around 25 mph after midnight. Smoke dispersal.....Poor. Mixing height.......400 to 500 ft agl. .WEDNESDAY... Sky/weather.........Mostly sunny then becoming mostly cloudy. Chance of rain showers. Chc of wetting rain.20 percent. Max temperature.....Around 61. Min humidity........42 percent. 20-foot winds.......South 25 to 35 mph. Gusts to around 45 mph in the afternoon. Transport winds.....South around 35 mph increasing to around 45 mph in the afternoon. Smoke dispersal.....Good increasing to excellent in the afternoon. Mixing height.......4100 to 5200 ft agl. .FORECAST DAYS 3 THROUGH 7... .THURSDAY...Windy. Partly cloudy. Chance of showers and thunderstorms. Lows in the lower 40s. Highs in the upper 60s. South winds around 30 mph. .FRIDAY...Windy. Showers likely and chance of thunderstorms. Lows in the lower 40s. Highs in the mid 60s. Northwest winds 20 to 30 mph. .SATURDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows in the lower 40s. Highs in the mid 70s. Southwest winds around 15 mph. .SUNDAY...Warmer. Mostly clear. Lows in the upper 40s. Highs in the mid 80s. .MEMORIAL DAY...Mostly clear. Lows in the lower 50s. Highs in the upper 80s. $$ SDZ330-191015- Ziebach County- Including Dupree and Glad Valley 1244 PM MDT Mon May 18 2026 .TONIGHT... Sky/weather.........Mostly cloudy. Chance of rain showers in the evening. Areas of frost after midnight. Chc of wetting rain.30 percent. Min temperature.....Around 31. Max humidity........100 percent. 20-foot winds.......Northwest 10 to 15 mph with gusts to around 25 mph. Transport winds.....North around 25 mph becoming northwest around 15 mph after midnight. Smoke dispersal.....Poor. Mixing height.......500 to 600 ft agl. .TUESDAY... Sky/weather.........Mostly sunny. Areas of frost in the morning. Chc of wetting rain.0 percent. Max temperature.....Around 58. Min humidity........31 percent. 20-foot winds.......Northwest 10 to 15 mph. Transport winds.....Northwest around 20 mph. Smoke dispersal.....Fair increasing to good in the afternoon. Mixing height.......5100 to 6400 ft agl. .TUESDAY NIGHT... Sky/weather.........Mostly clear. Chc of wetting rain.0 percent. Min temperature.....Around 33. Max humidity........89-95 percent. 20-foot winds.......Southeast 10 to 15 mph. Transport winds.....Southeast around 15 mph increasing to around 25 mph after midnight. Smoke dispersal.....Poor. Mixing height.......400 to 500 ft agl. .WEDNESDAY... Sky/weather.........Mostly sunny. Chc of wetting rain.0 percent. Max temperature.....Around 69. Min humidity........33-39 percent. 20-foot winds.......South 20 to 30 mph. Transport winds.....South 30 to 35 mph. Smoke dispersal.....Good increasing to excellent in the afternoon. Mixing height.......5900 to 7400 ft agl. .FORECAST DAYS 3 THROUGH 7... .THURSDAY...Windy. Partly cloudy. Chance of showers and slight chance of thunderstorms. Lows around 40. Highs around 70. Southeast winds 25 to 30 mph. .FRIDAY...Breezy. Mostly cloudy. Showers likely and chance of thunderstorms. Lows in the lower 40s. Highs in the mid 60s. Northeast winds 15 to 25 mph. .SATURDAY...Partly cloudy. Slight chance of showers. Lows in the lower 40s. Highs in the mid 70s. South winds around 10 mph. .SUNDAY...Warmer. Mostly clear. Lows in the mid 40s. Highs in the mid 80s. .MEMORIAL DAY...Mostly clear. Lows around 50. Highs in the upper 80s. $$ SDZ331-191015- Haakon County Area- Including Philip, Kadoka, Belvidere, and Midland 1244 PM MDT Mon May 18 2026 .TONIGHT... Sky/weather.........Mostly cloudy. Rain showers likely in the evening. Areas of frost after midnight. Chc of wetting rain.40 percent. Min temperature.....Around 31. Max humidity........100 percent. 20-foot winds.......Northwest 10 to 15 mph with gusts to around 25 mph. Transport winds.....North around 25 mph becoming northwest around 15 mph after midnight. Smoke dispersal.....Poor. Mixing height.......500 to 600 ft agl. .TUESDAY... Sky/weather.........Mostly sunny. Areas of frost in the morning. Chc of wetting rain.0 percent. Max temperature.....Around 59. Min humidity........30 percent. 20-foot winds.......Northwest 10 to 15 mph. Transport winds.....Northwest around 20 mph. Smoke dispersal.....Good. Mixing height.......5000 to 6300 ft agl. .TUESDAY NIGHT... Sky/weather.........Mostly clear. Chc of wetting rain.0 percent. Min temperature.....Around 34. Max humidity........84-92 percent. 20-foot winds.......Southeast 10 to 15 mph. Transport winds.....South around 15 mph increasing to around 25 mph after midnight. Smoke dispersal.....Poor. Mixing height.......400 to 500 ft agl. .WEDNESDAY... Sky/weather.........Sunny then becoming partly sunny. Slight chance of rain showers in the afternoon. Chc of wetting rain.0 percent. Max temperature.....Around 66. Min humidity........39 percent. 20-foot winds.......South 20 to 30 mph. Gusts to around 40 mph in the afternoon. Transport winds.....South around 30 mph increasing to around 40 mph in the afternoon. Smoke dispersal.....Good increasing to excellent in the afternoon. Mixing height.......5000 to 6300 ft agl. .FORECAST DAYS 3 THROUGH 7... .THURSDAY...Breezy. Partly cloudy. Chance of showers and slight chance of thunderstorms. Lows in the lower 40s. Highs around 70. South winds around 25 mph. .FRIDAY...Breezy. Mostly cloudy. Chance of showers and thunderstorms. Lows in the lower 40s. Highs in the mid 60s. North winds 15 to 25 mph. .SATURDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows in the lower 40s. Highs in the mid 70s. Southwest winds 10 to 15 mph. .SUNDAY...Warmer. Mostly clear. Lows in the upper 40s. Highs in the upper 80s. .MEMORIAL DAY...Mostly clear. Lows in the lower 50s. Highs around 90. $$ SDZ334-191015- Mellette and Todd Counties- Including Mission, White River, and Saint Francis 144 PM CDT Mon May 18 2026 .TONIGHT... Sky/weather.........Cloudy. Chance of rain showers in the evening. Patchy frost after midnight. Chc of wetting rain.40 percent. Min temperature.....Around 33. Max humidity........100 percent. 20-foot winds.......Northwest 10 to 20 mph. Gusts to around 35 mph in the evening. Transport winds.....North around 30 mph becoming northwest around 20 mph after midnight. Smoke dispersal.....Poor. Mixing height.......600 to 700 ft agl. .TUESDAY... Sky/weather.........Partly sunny then becoming sunny. Chc of wetting rain.0 percent. Max temperature.....Around 57. Min humidity........33-41 percent. 20-foot winds.......Northwest 10 to 15 mph with gusts to around 25 mph. Transport winds.....Northwest around 20 mph. Smoke dispersal.....Good. Mixing height.......4700 to 5900 ft agl. .TUESDAY NIGHT... Sky/weather.........Mostly clear. Chc of wetting rain.0 percent. Min temperature.....Around 35. Max humidity........84-94 percent. 20-foot winds.......East 5 to 10 mph shifting to the south 10 to 15 mph after midnight. Transport winds.....East around 15 mph increasing to south around 25 mph after midnight. Smoke dispersal.....Poor. Mixing height.......400 to 500 ft agl. .WEDNESDAY... Sky/weather.........Mostly sunny then becoming mostly cloudy. Slight chance of rain showers in the afternoon. Chc of wetting rain.0 percent. Max temperature.....Around 62. Min humidity........45 percent. 20-foot winds.......South 25 to 35 mph. Transport winds.....South 35 to 40 mph. Smoke dispersal.....Good increasing to very good in the afternoon. Mixing height.......4400 to 5500 ft agl. .FORECAST DAYS 3 THROUGH 7... .THURSDAY...Windy. Partly cloudy. Chance of showers and slight chance of thunderstorms. Lows in the lower 40s. Highs in the upper 60s. South winds around 30 mph. .FRIDAY...Windy. Mostly cloudy. Showers likely and chance of thunderstorms. Lows in the lower 40s. Highs in the mid 60s. East winds 20 to 30 mph. .SATURDAY...Partly cloudy. Chance of showers and slight chance of thunderstorms. Lows in the lower 40s. Highs in the mid 70s. Southwest winds around 15 mph. .SUNDAY...Warmer. Mostly clear. Lows in the upper 40s. Highs in the mid 80s. .MEMORIAL DAY...Mostly clear. Lows in the lower 50s. Highs in the upper 80s. $$ SDZ335-191015- Tripp County- Including Winner, Colome, and Hamill 144 PM CDT Mon May 18 2026 .TONIGHT... Sky/weather.........Cloudy. Chance of rain showers in the evening. Chc of wetting rain.40 percent. Min temperature.....Around 34. Max humidity........100 percent. 20-foot winds.......Northwest 15 to 25 mph. Gusts to around 35 mph in the evening. Transport winds.....Northwest 25 to 30 mph. Smoke dispersal.....Poor. Mixing height.......600 to 700 ft agl. .TUESDAY... Sky/weather.........Partly sunny. Chc of wetting rain.0 percent. Max temperature.....Around 56. Min humidity........42 percent. 20-foot winds.......Northwest 10 to 20 mph with gusts to around 30 mph. Transport winds.....Northwest 25 to 30 mph. Smoke dispersal.....Good increasing to very good in the afternoon. Mixing height.......4500 to 5700 ft agl. .TUESDAY NIGHT... Sky/weather.........Mostly clear. Chc of wetting rain.0 percent. Min temperature.....Around 34. Max humidity........92-98 percent. 20-foot winds.......Northeast 5 to 10 mph shifting to the south 10 to 15 mph after midnight. Transport winds.....Northeast around 15 mph shifting to the southeast after midnight. Smoke dispersal.....Poor. Mixing height.......400 to 500 ft agl. .WEDNESDAY... Sky/weather.........Mostly sunny then becoming mostly cloudy. Chc of wetting rain.0 percent. Max temperature.....Around 63. Min humidity........40-46 percent. 20-foot winds.......South 15 to 25 mph. Transport winds.....South around 30 mph. Smoke dispersal.....Good increasing to excellent in the afternoon. Mixing height.......5000 to 6300 ft agl. .FORECAST DAYS 3 THROUGH 7... .THURSDAY...Breezy. Mostly cloudy. Slight chance of showers. Lows in the lower 40s. Highs in the mid 60s. South winds 20 to 25 mph. .FRIDAY...Breezy. Mostly cloudy with chance of showers and thunderstorms. Lows in the lower 40s. Highs in the mid 60s. Southeast winds 20 to 25 mph. .SATURDAY...Mostly cloudy. Chance of showers and thunderstorms. Lows in the lower 40s. Highs in the mid 70s. West winds around 15 mph. .SUNDAY...Mostly clear. Lows in the upper 40s. Highs in the mid 80s. .MEMORIAL DAY...Mostly clear. Lows in the lower 50s. Highs in the upper 80s. $$