FPUS55 KCYS 191748 ZFPCYS Zone Forecast Product for Southeast Wyoming and Western Nebraska Panhandle National Weather Service Cheyenne WY 1147 AM MDT Tue May 19 2026 WYZ118-200100- Central Laramie County- Including the city of Cheyenne 1147 AM MDT Tue May 19 2026 .REST OF TODAY...Partly sunny. Not as cool with highs in the lower 50s. Southwest winds around 5 mph. .TONIGHT...Mostly cloudy. A slight chance of rain showers after midnight. Lows in the lower 30s. South winds 10 to 15 mph. Chance of rain 20 percent. .WEDNESDAY...Mostly cloudy in the morning, then becoming mostly sunny. Highs in the upper 50s. South winds 15 to 20 mph, becoming southwest 5 to 10 mph in the afternoon. .WEDNESDAY NIGHT...Partly cloudy. Lows in the mid 30s. South winds 10 to 15 mph. .THURSDAY...Mostly sunny. Rain showers likely with a chance of thunderstorms in the afternoon. Highs in the lower 60s. Southwest winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 70 percent. .THURSDAY NIGHT...A chance of thunderstorms in the evening. Showers likely. Lows in the mid 30s. Chance of rain 70 percent. .FRIDAY...Partly sunny with a chance of showers. Highs in the lower 60s. Chance of rain 40 percent. .FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows in the upper 30s. Highs around 70. .SATURDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the lower 40s. .SUNDAY...Sunny. Highs in the upper 70s. .SUNDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the mid 40s. .MEMORIAL DAY...Sunny. Highs around 80. $$ WYZ115-200100- Laramie Valley- Including the cities of Bosler and Laramie 1147 AM MDT Tue May 19 2026 ...FREEZE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM MDT WEDNESDAY... .REST OF TODAY...Mostly sunny. Highs in the lower 40s. Northeast winds around 5 mph. .TONIGHT...Mostly cloudy. Widespread frost after midnight. Cold with lows in the upper 20s. South winds 5 to 10 mph. .WEDNESDAY...Widespread frost in the morning. Mostly sunny. Not as cool with highs in the lower 50s. Southwest winds around 5 mph, becoming northwest in the afternoon. .WEDNESDAY NIGHT...Mostly clear. Widespread frost after midnight. Cold with lows in the upper 20s. Southwest winds 5 to 10 mph. .THURSDAY...Widespread frost in the morning. Mostly sunny in the morning, then mostly cloudy with a chance of rain showers and thunderstorms in the afternoon. Highs in the mid 50s. Southwest winds 5 to 10 mph, becoming west in the afternoon. Chance of rain 50 percent. .THURSDAY NIGHT...Mostly cloudy. Rain showers likely, mainly in the evening. Lows in the lower 30s. Chance of rain 70 percent. .FRIDAY...Partly sunny. A chance of rain and snow showers in the morning. Highs in the mid 50s. Chance of precipitation 30 percent. .FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows in the mid 30s. Highs in the mid 60s. .SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows in the upper 30s. Highs around 70. .SUNDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the lower 40s. .MEMORIAL DAY...Sunny. Highs in the mid 70s. $$ NEZ019-200100- Scotts Bluff County- Including the cities of Scottsbluff and Gering 1147 AM MDT Tue May 19 2026 .REST OF TODAY...Sunny. Not as cool with highs in the upper 50s. West winds around 5 mph. .TONIGHT...Mostly cloudy. Lows in the upper 30s. South winds 5 to 10 mph. .WEDNESDAY...Cloudy in the morning, then becoming partly sunny. Highs in the mid 60s. South winds 15 to 20 mph with gusts up to 30 mph. .WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows around 40. South winds 15 to 20 mph with gusts up to 30 mph. .THURSDAY...Mostly sunny. Showers likely in the afternoon. Highs in the upper 60s. Southeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 60 percent. .THURSDAY NIGHT...A chance of thunderstorms in the evening. Showers likely. Lows in the lower 40s. Chance of rain 70 percent. .FRIDAY...Partly sunny with a chance of showers. Highs in the mid 60s. Chance of rain 40 percent. .FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows in the lower 40s. Highs in the upper 70s. .SATURDAY NIGHT THROUGH MEMORIAL DAY...Mostly clear. Hot. Lows in the upper 40s. Highs in the upper 80s. $$ WYZ101-200100- Converse County Lower Elevations- Including the cities of Bill, Douglas, Deer Creek, and Glenrock 1147 AM MDT Tue May 19 2026 ...FREEZE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM MDT WEDNESDAY... .REST OF TODAY...Sunny. Not as cool with highs in the lower 50s. West winds 5 to 10 mph. .TONIGHT...Mostly clear. Widespread frost after midnight. Cold with lows in the upper 20s. South winds 5 to 10 mph. .WEDNESDAY...Widespread frost in the morning. Sunny. Not as cool with highs in the lower 60s. Southwest winds 10 to 15 mph with gusts up to 25 mph. .WEDNESDAY NIGHT...Partly cloudy. Areas of frost after midnight. Lows in the mid 30s. Southwest winds 10 to 15 mph. .THURSDAY...Partly sunny in the morning, then mostly cloudy with a chance of rain showers in the afternoon. Highs in the upper 50s. Northwest winds 10 to 15 mph. Chance of rain 50 percent. .THURSDAY NIGHT...Mostly cloudy. Rain showers likely, mainly in the evening. Lows in the mid 30s. Chance of rain 70 percent. .FRIDAY...Partly sunny. A chance of rain showers in the morning. Highs in the lower 60s. Chance of rain 40 percent. .FRIDAY NIGHT...Partly cloudy. Lows in the upper 30s. .SATURDAY AND SATURDAY NIGHT...Mostly clear. Highs in the lower 70s. Lows in the lower 40s. .SUNDAY AND SUNDAY NIGHT...Mostly clear. Highs in the upper 70s. Lows in the mid 40s. .MEMORIAL DAY...Sunny. Highs in the mid 80s. $$ WYZ108-200100- Goshen County- Including the city of Torrington 1147 AM MDT Tue May 19 2026 .REST OF TODAY...Sunny. Not as cool with highs in the mid 50s. West winds around 5 mph. .TONIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Areas of frost after midnight. Lows in the mid 30s. South winds 5 to 10 mph. .WEDNESDAY...Mostly sunny. Highs in the mid 60s. South winds 10 to 15 mph with gusts up to 25 mph. .WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the upper 30s. South winds 10 to 15 mph with gusts up to 25 mph. .THURSDAY...Mostly sunny. A chance of rain showers and thunderstorms in the afternoon. Highs in the mid 60s. South winds 10 to 15 mph. Chance of rain 50 percent. .THURSDAY NIGHT...Showers likely. Lows around 40. Chance of rain 70 percent. .FRIDAY...Partly sunny with a chance of showers. Highs in the mid 60s. Chance of rain 40 percent. .FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows in the lower 40s. Highs in the mid 70s. .SATURDAY NIGHT THROUGH MEMORIAL DAY...Mostly clear. Hot. Lows in the upper 40s. Highs in the mid 80s. $$ NEZ003-200100- Box Butte County- Including the cities of Alliance and Hemingford 1147 AM MDT Tue May 19 2026 .REST OF TODAY...Sunny. Not as cool with highs in the upper 50s. Northwest winds 5 to 10 mph. .TONIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 30s. South winds 5 to 10 mph. .WEDNESDAY...Mostly cloudy with a 50 percent chance of rain showers. Breezy with highs around 60. South winds 20 to 25 mph with gusts up to 35 mph. .WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the upper 30s. South winds 15 to 20 mph with gusts up to 30 mph. .THURSDAY...Mostly sunny. Showers likely in the afternoon. Highs in the mid 60s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 60 percent. .THURSDAY NIGHT...A chance of thunderstorms in the evening. Showers likely. Lows in the upper 30s. Chance of rain 70 percent. .FRIDAY...Partly sunny with a 40 percent chance of showers. Highs in the mid 60s. .FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows in the upper 30s. Highs in the mid 70s. .SATURDAY NIGHT THROUGH MEMORIAL DAY...Mostly clear. Hot. Lows in the mid 40s. Highs in the mid 80s. $$ WYZ109-200100- Central Carbon County- Including the city of Rawlins 1147 AM MDT Tue May 19 2026 ...FREEZE WARNING IN EFFECT FROM 9 PM THIS EVENING TO 10 AM MDT WEDNESDAY... .REST OF TODAY...Mostly sunny. Highs in the upper 30s. North winds around 5 mph. .TONIGHT...Mostly clear. Widespread frost after midnight. Cold with lows around 20. Southeast winds around 5 mph. .WEDNESDAY...Widespread frost in the morning. Sunny. Highs in the upper 40s. West winds around 5 mph. .WEDNESDAY NIGHT...Partly cloudy. Widespread frost after midnight. Cold with lows in the upper 20s. South winds 5 to 10 mph. .THURSDAY...Widespread frost in the morning. Partly sunny in the morning, then mostly cloudy with a chance of rain showers and thunderstorms in the afternoon. Highs in the lower 50s. Southwest winds 5 to 10 mph, becoming west in the afternoon. Chance of rain 50 percent. .THURSDAY NIGHT...Mostly cloudy. Rain showers likely in the evening, then a chance of rain and snow showers after midnight. Little or no snow accumulation. Cold with lows in the lower 30s. Chance of precipitation 60 percent. .FRIDAY...Partly sunny. Highs in the mid 50s. .FRIDAY NIGHT...Partly cloudy. Lows in the mid 30s. .SATURDAY AND SATURDAY NIGHT...Mostly clear. Highs in the lower 60s. Lows in the upper 30s. .SUNDAY THROUGH MEMORIAL DAY...Mostly clear. Highs in the lower 70s. Lows in the lower 40s. $$ NEZ002-200100- Dawes County- Including the cities of Chadron and Chadron St Park 1147 AM MDT Tue May 19 2026 .REST OF TODAY...Sunny. Not as cool with highs in the upper 50s. Northwest winds 5 to 10 mph with gusts up to 25 mph. .TONIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 30s. East winds around 5 mph, becoming south with gusts up to 20 mph after midnight. .WEDNESDAY...Mostly cloudy in the morning, then partly sunny with a chance of rain showers in the afternoon. Breezy with highs in the mid 60s. South winds 20 to 25 mph with gusts up to 35 mph. Chance of rain 50 percent. .WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing. Breezy with lows around 40. South winds 15 to 25 mph with gusts up to 40 mph. .THURSDAY...Mostly sunny. A chance of showers in the afternoon. Highs in the upper 60s. South winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 50 percent. .THURSDAY NIGHT...A chance of thunderstorms in the evening. Showers likely. Lows around 40. Chance of rain 70 percent. .FRIDAY...Partly sunny with a 40 percent chance of showers. Highs in the mid 60s. .FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows in the lower 40s. Highs in the upper 70s. .SATURDAY NIGHT THROUGH MEMORIAL DAY...Mostly clear. Hot. Lows in the upper 40s. Highs in the upper 80s. $$ NEZ055-200100- Cheyenne County- Including the cities of Sidney and Brownson 1147 AM MDT Tue May 19 2026 .REST OF TODAY...Sunny. Not as cool with highs in the upper 50s. Northwest winds 5 to 10 mph. .TONIGHT...Mostly cloudy. Lows in the upper 30s. South winds 5 to 10 mph. .WEDNESDAY...Cloudy. A chance of showers in the morning. Highs in the upper 50s. South winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 50 percent. .WEDNESDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Lows in the mid 30s. South winds 15 to 20 mph with gusts up to 30 mph. .THURSDAY...Partly sunny. A chance of showers in the afternoon. Highs in the mid 60s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 50 percent. .THURSDAY NIGHT...A chance of thunderstorms. Showers. Lows in the upper30s. Chance of rain 80 percent. .FRIDAY...Partly sunny with a chance of showers. Highs in the mid 60s. Chance of rain 40 percent. .FRIDAY NIGHT...Partly cloudy. A chance of showers after midnight. Lows in the upper 30s. Chance of rain 30 percent. .SATURDAY...Mostly sunny. Warmer with highs in the mid 70s. .SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows in the mid 40s. Highs in the lower 80s. .SUNDAY NIGHT...Partly cloudy. Lows in the upper 40s. .MEMORIAL DAY...Sunny, hot with highs in the mid 80s. $$ NEZ054-200100- Kimball County- Including the city of Kimball 1147 AM MDT Tue May 19 2026 .REST OF TODAY...Mostly sunny. Not as cool with highs in the mid 50s. West winds around 5 mph. .TONIGHT...Mostly cloudy. A slight chance of showers in the evening, then a chance of showers after midnight. Lows in the mid 30s. South winds 10 to 15 mph. Chance of rain 50 percent. .WEDNESDAY...Mostly cloudy. A chance of rain showers in the morning. Highs in the upper 50s. South winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 40 percent. .WEDNESDAY NIGHT...Partly cloudy. Lows in the mid 30s. South winds 15 to 20 mph. .THURSDAY...Mostly sunny. Showers likely with a chance of thunderstorms in the afternoon. Highs in the mid 60s. South winds 10 to 15 mph. Chance of rain 60 percent. .THURSDAY NIGHT...A chance of thunderstorms in the evening. Showers likely. Lows in the upper 30s. Chance of rain 70 percent. .FRIDAY...Partly sunny with a chance of showers. Highs in the mid 60s. Chance of rain 40 percent. .FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows in the upper 30s. Highs in the mid 70s. .SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows in the mid 40s. Highs in the lower 80s. .SUNDAY NIGHT...Partly cloudy. Lows in the upper 40s. .MEMORIAL DAY...Sunny, hot with highs in the mid 80s. $$ WYZ107-200100- East Platte County- Including the cities of Wheatland and Guernsey 1147 AM MDT Tue May 19 2026 ...FROST ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM MDT WEDNESDAY... .REST OF TODAY...Sunny. Not as cool with highs in the mid 50s. West winds around 5 mph. .TONIGHT...Mostly clear in the evening, then becoming partly cloudy. Areas of frost after midnight. Lows in the mid 30s. South winds 5 to 10 mph. .WEDNESDAY...Areas of frost in the morning. Mostly sunny. Not as cool with highs in the mid 60s. South winds 5 to 10 mph, becoming west in the afternoon. .WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the upper 30s. South winds 5 to 10 mph with gusts up to 20 mph. .THURSDAY...Partly sunny. A chance of rain showers and thunderstorms in the afternoon. Highs in the lower 60s. West winds 5 to 10 mph, becoming northwest with gusts up to 20 mph in the afternoon. Chance of rain 50 percent. .THURSDAY NIGHT...Showers likely. Lows around 40. Chance of rain 70 percent. .FRIDAY...Partly sunny with a chance of showers. Highs in the lower 60s. Chance of rain 40 percent. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 40s. .SATURDAY AND SATURDAY NIGHT...Mostly clear. Highs in the lower 70s. Lows in the mid 40s. .SUNDAY THROUGH MEMORIAL DAY...Mostly clear. Highs in the lower 80s. Lows in the upper 40s. $$ WYZ102-200100- Niobrara County- Including the cities of Lusk and Redbird 1147 AM MDT Tue May 19 2026 ...FROST ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM MDT WEDNESDAY... .REST OF TODAY...Sunny. Not as cool with highs in the mid 50s. West winds 5 to 10 mph. .TONIGHT...Mostly clear. Areas of frost after midnight. Cold with lows in the lower 30s. South winds 5 to 10 mph. .WEDNESDAY...Widespread frost in the morning. Mostly sunny. Warmer with highs in the mid 60s. South winds 10 to 15 mph. .WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the upper 30s. South winds 10 to 15 mph with gustsup to 25 mph. .THURSDAY...Partly sunny. A chance of rain showers and thunderstorms in the afternoon. Highs in the mid 60s. West winds 5 to 10 mph, increasing to northwest 15 to 20 mph with gusts up to 30 mph in the afternoon. Chance of rain 50 percent. .THURSDAY NIGHT...Mostly cloudy. Rain showers likely, mainly in the evening. Lows in the upper 30s. Chance of rain 70 percent. .FRIDAY...Partly sunny with a 40 percent chance of rain showers. Highs in the lower 60s. .FRIDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Lows in the upper 30s. .SATURDAY AND SATURDAY NIGHT...Mostly clear. Highs in the mid 70s. Lows in the lower 40s. .SUNDAY AND SUNDAY NIGHT...Mostly clear. Highs around 80. Lows in the upper 40s. .MEMORIAL DAY...Sunny, hot with highs in the mid 80s. $$ WYZ113-200100- Upper North Platte River Basin- Including the cities of Saratoga and Encampment 1147 AM MDT Tue May 19 2026 ...FREEZE WARNING IN EFFECT FROM 9 PM THIS EVENING TO 10 AM MDT WEDNESDAY... .REST OF TODAY...Mostly sunny. Highs in the lower 40s. North winds 5 to 10 mph. .TONIGHT...Mostly clear. Widespread frost after midnight. Cold with lows in the lower 20s. Southwest winds around 5 mph, becoming south after midnight. .WEDNESDAY...Widespread frost in the morning. Sunny. Highs in the upper 40s. Southwest winds around 5 mph, becoming west with gusts up to 20 mph in the afternoon. .WEDNESDAY NIGHT...Mostly clear. Widespread frost after midnight. Cold with lows in the upper 20s. Southwest winds 5 to 10 mph with gusts up to 20 mph, becoming south after midnight. .THURSDAY...Mostly sunny in the morning, then mostly cloudy with a chance of rain showers and thunderstorms in the afternoon. Highs in the mid 50s. South winds 5 to 10 mph, becoming west 10 to 15 mph in the afternoon. Chance of rain 50 percent. .THURSDAY NIGHT...Mostly cloudy. Rain showers likely in the evening, then a chance of rain and snow showers after midnight. Little or no snow accumulation. Cold with lows in the lower 30s. Chance of precipitation 70 percent. .FRIDAY...Partly sunny. A chance of rain and snow showers in the morning. Highs in the mid 50s. Chance of precipitation 30 percent. .FRIDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Lows in the mid 30s. .SATURDAY AND SATURDAY NIGHT...Mostly clear. Highs in the mid 60s. Lows in the upper 30s. .SUNDAY THROUGH MEMORIAL DAY...Mostly clear. Highs in the lower 70s. Lows in the lower 40s. $$ WYZ119-200100- East Laramie County- Including the city of Pine Bluffs 1147 AM MDT Tue May 19 2026 .REST OF TODAY...Mostly sunny. Not as cool with highs in the lower 50s. West winds around 5 mph. .TONIGHT...Mostly cloudy. A slight chance of rain showers in the evening, then a chance of rain showers after midnight. Lows in the mid 30s. South winds 10 to 15 mph. Chance of rain 50 percent. .WEDNESDAY...Mostly cloudy in the morning, then becoming partly sunny. Highs in the upper 50s. South winds 15 to 20 mph with gusts up to 30 mph. .WEDNESDAY NIGHT...Partly cloudy. Lows in the upper 30s. South winds 10 to 15 mph with gusts up to 25 mph. .THURSDAY...Mostly sunny. Showers likely with a chance of thunderstorms in the afternoon. Highs in the mid 60s. South winds 10 to 15 mph. Chance of rain 70 percent. .THURSDAY NIGHT...A chance of thunderstorms in the evening. Showers likely. Lows in the upper 30s. Chance of rain 70 percent. .FRIDAY...Partly sunny with a chance of showers. Highs in the lower 60s. Chance of rain 40 percent. .FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows in the upper 30s. Highs in the lower 70s. .SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows in the lower 40s. Highs in the upper 70s. .SUNDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the upper 40s. .MEMORIAL DAY...Sunny. Highs in the lower 80s. $$ WYZ111-200100- Southwest Carbon County- Including the city of Baggs 1147 AM MDT Tue May 19 2026 ...FREEZE WARNING IN EFFECT FROM 9 PM THIS EVENING TO 10 AM MDT WEDNESDAY... .REST OF TODAY...Mostly sunny. Highs in the lower 40s. North winds 5 to 10 mph. .TONIGHT...Mostly clear. Widespread frost after midnight. Cold with lows in the lower 20s. Northeast winds 5 to 10 mph. .WEDNESDAY...Widespread frost in the morning. Sunny. Highs around 50. West winds 5 to 10 mph. .WEDNESDAY NIGHT...Partly cloudy. Widespread frost after midnight. Cold with lows around 30. South winds around 5 mph, becoming southeast around 5 mph after midnight. .THURSDAY...Widespread frost in the morning. Partly sunny in the morning, then mostly cloudy with a chance of rain showers and thunderstorms in the afternoon. Highs in the mid 50s. South winds 5 to 10 mph, becoming west 10 to 15 mph in the afternoon. Chance of rain 50 percent. .THURSDAY NIGHT...Mostly cloudy. A chance of rain showers in the evening. Widespread frost after midnight. Cold with lows in the lower 30s. Chance of rain 50 percent. .FRIDAY...Widespread frost in the morning. Partly sunny. Highs in the upper 50s. .FRIDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Lows in the mid 30s. .SATURDAY AND SATURDAY NIGHT...Mostly clear. Highs in the upper 60s. Lows in the upper 30s. .SUNDAY...Sunny. Highs in the lower 70s. .SUNDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the lower 40s. .MEMORIAL DAY...Sunny. Highs in the mid 70s. $$ WYZ117-200100- South Laramie Range Foothills- Including the cities of Whitaker, Federal, and Horse Creek 1147 AM MDT Tue May 19 2026 ...FROST ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM MDT WEDNESDAY... .REST OF TODAY...Partly sunny. Not as cool with highs in the mid 40s. South winds around 5 mph. .TONIGHT...Mostly cloudy. Cold with lows in the lower 30s. South winds 10 to 15 mph. .WEDNESDAY...Mostly sunny. Patchy dense fog in the morning. Not as cool with highs in the mid 50s. South winds 10 to 15 mph, becoming west 5 to 10 mph in the afternoon. .WEDNESDAY NIGHT...Partly cloudy. Areas of frost after midnight. Lows in the mid 30s. Southwest winds 5 to 10 mph. .THURSDAY...Mostly sunny. Rain showers likely with a chance of thunderstorms in the afternoon. Highs in the upper 50s. Southwest winds 5 to 10 mph. Chance of rain 70 percent. .THURSDAY NIGHT...A chance of thunderstorms in the evening. Showers likely. Lows in the mid 30s. Chance of rain 70 percent. .FRIDAY...Partly sunny with a chance of rain showers. Highs in the upper 50s. Chance of rain 40 percent. .FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows in the upper 30s. Highs in the upper 60s. .SATURDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the lower 40s. .SUNDAY...Sunny. Highs in the lower 70s. .SUNDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the mid 40s. .MEMORIAL DAY...Sunny. Highs in the mid 70s. $$ NEZ021-200100- Morrill County- Including the cities of Angora, Bridgeport, Bayard, and Redington 1147 AM MDT Tue May 19 2026 .REST OF TODAY...Sunny. Not as cool with highs in the upper 50s. Northwest winds 5 to 10 mph. .TONIGHT...Mostly cloudy. Lows in the upper 30s. South winds 5 to 10 mph. .WEDNESDAY...Mostly cloudy with a 50 percent chance of showers. Breezy with highs around 60. South winds 15 to 25 mph with gusts up to 35 mph. .WEDNESDAY NIGHT...Partly cloudy. Lows in the upper 30s. South winds 15 to 20 mph with gusts up to 30 mph. .THURSDAY...Mostly sunny. A chance of showers in the afternoon. Highs in the upper 60s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 50 percent. .THURSDAY NIGHT...A chance of thunderstorms in the evening. Showers likely. Lows around 40. Chance of rain 70 percent. .FRIDAY...Partly sunny with a chance of showers. Highs in the mid 60s. Chance of rain 40 percent. .FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows around 40. Highs in the mid 70s. .SATURDAY NIGHT THROUGH MEMORIAL DAY...Mostly clear. Hot. Lows in the upper 40s. Highs in the mid 80s. $$ NEZ095-200100- Northern Sioux County- Including the city of Harrison 1147 AM MDT Tue May 19 2026 ...FROST ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM MDT WEDNESDAY... .REST OF TODAY...Sunny. Not as cool with highs in the upper 50s. West winds 5 to 10 mph with gusts up to 20 mph. .TONIGHT...Mostly clear in the evening, then becoming partly cloudy. Areas of frost after midnight. Lows in the mid 30s. Southeast winds around 5 mph, increasing to south 10 to 15 mph with gusts up to 25 mph after midnight. .WEDNESDAY...Partly sunny. Highs in the mid 60s. South winds 15 to 20 mph with gusts up to 35 mph. .WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the upper 30s. South winds 15 to 20 mph with gusts up to 40 mph. .THURSDAY...Mostly sunny. A chance of rain showers in the afternoon. Highs in the mid 60s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 50 percent. .THURSDAY NIGHT...A chance of thunderstorms in the evening. Showers likely. Lows in the upper 30s. Chance of rain 70 percent. .FRIDAY...Partly sunny with a 40 percent chance of rain showers. Highs in the mid 60s. .FRIDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Lows around 40. .SATURDAY AND SATURDAY NIGHT...Mostly clear. Highs in the mid 70s. Lows in the mid 40s. .SUNDAY AND SUNDAY NIGHT...Mostly clear. Highs in the lower 80s. Lows in the upper 40s. .MEMORIAL DAY...Sunny, hot with highs in the upper 80s. $$ WYZ116-200100- South Laramie Range- Including the cities of Buford, Pumpkin Vine, and Vedauwoo 1147 AM MDT Tue May 19 2026 ...FREEZE WARNING IN EFFECT FROM 9 PM THIS EVENING TO 10 AM MDT WEDNESDAY... .REST OF TODAY...Partly sunny. Highs in the upper 30s. Southeast winds around 5 mph. .TONIGHT...Mostly cloudy. Patchy fog after midnight. Not as cold with lows in the upper 20s. South winds 10 to 15 mph. .WEDNESDAY...Mostly sunny. Patchy fog in the morning. Not as cool with highs in the lower 50s. Southwest winds 10 to 15 mph, becoming west 5 to 10 mph in the afternoon. .WEDNESDAY NIGHT...Partly cloudy. Widespread frost after midnight. Cold with lows in the lower 30s. Southwest winds 5 to 10 mph. .THURSDAY...Partly sunny. Widespread frost in the morning. Rain showers likely with a chance of thunderstorms in the afternoon. Highs in the lower 50s. Southwest winds 5 to 10 mph. Chance of rain 70 percent. .THURSDAY NIGHT...Mostly cloudy. Rain showers likely with a chance of thunderstorms in the evening, then a chance of rain showers after midnight. Lows in the mid 30s. Chance of rain 70 percent. .FRIDAY...A chance of snow showers in the morning. Partly sunny with a chance of rain showers. Highs in the mid 50s. Chance of precipitation 30 percent. .FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows in the mid 30s. Highs in the lower 60s. .SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows in the lower 40s. Highs in the upper 60s. .SUNDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the mid 40s. .MEMORIAL DAY...Sunny. Highs in the lower 70s. $$ WYZ110-200100- North Snowy Range Foothills- Including the cities of Arlington and Elk Mountain 1147 AM MDT Tue May 19 2026 ...FREEZE WARNING IN EFFECT FROM 9 PM THIS EVENING TO 10 AM MDT WEDNESDAY... .REST OF TODAY...Mostly sunny. Highs around 40. East winds around 5 mph. .TONIGHT...Mostly clear. Widespread frost after midnight. Cold with lows in the lower 20s. South winds around 5 mph. .WEDNESDAY...Widespread frost in the morning. Mostly sunny. Highs in the upper 40s. West winds 5 to 10 mph. .WEDNESDAY NIGHT...Mostly clear. Widespread frost after midnight. Cold with lows in the upper 20s. Southwest winds 5 to 10 mph. .THURSDAY...Mostly sunny in the morning, then mostly cloudy with a chance of rain showers and thunderstorms in the afternoon. Highs in the lower 50s. Southwest winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 50 percent. .THURSDAY NIGHT...Mostly cloudy. Rain showers likely in the evening, then a chance of rain and snow showers after midnight. Little or no snow accumulation. Lows in the lower 30s. Chance of precipitation 70 percent. .FRIDAY...Partly sunny. A chance of rain and snow showers in the morning. Highs in the mid 50s. Chance of precipitation 30 percent. .FRIDAY NIGHT...Partly cloudy. Lows in the mid 30s. .SATURDAY AND SATURDAY NIGHT...Mostly clear. Highs in the lower 60s. Lows in the lower 40s. .SUNDAY THROUGH MEMORIAL DAY...Mostly clear. Highs around 70. Lows in the mid 40s. $$ WYZ106-200100- Central Laramie Range and Southwest Platte County- Including the city of Bordeaux 1147 AM MDT Tue May 19 2026 ...FROST ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM MDT WEDNESDAY... .REST OF TODAY...Mostly sunny. Not as cool with highs in the upper 40s. Southwest winds around 5 mph. .TONIGHT...Partly cloudy. Widespread frost after midnight. Cold with lows in the lower 30s. South winds 5 to 10 mph. .WEDNESDAY...Mostly sunny. Not as cool with highs in the upper 50s. West winds 10 to 15 mph. .WEDNESDAY NIGHT...Mostly clear. Lows in the mid 30s. Southwest winds 10 to 15 mph. .THURSDAY...Partly sunny. A chance of rain showers and thunderstorms in the afternoon. Highs around 60. West winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 50 percent. .THURSDAY NIGHT...Rain showers likely. Lows in the upper 30s. Chance of rain 70 percent. .FRIDAY...A chance of snow showers in the morning. Partly sunny with a chance of rain showers. Highs around 60. Chance of precipitation 40 percent. .FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows around 40. Highs in the upper 60s. .SATURDAY NIGHT THROUGH MEMORIAL DAY...Mostly clear. Lows in the upper 40s. Highs in the upper 70s. $$ NEZ020-200100- Banner County- Including the city of Harrisburg 1147 AM MDT Tue May 19 2026 .REST OF TODAY...Mostly sunny. Not as cool with highs in the upper 50s. Northwest winds around 5 mph. .TONIGHT...Mostly cloudy. A slight chance of showers after midnight. Not as cool with lows in the upper 30s. South winds 10 to 15 mph. Chance of rain 20 percent. .WEDNESDAY...Mostly cloudy in the morning, then becoming partly sunny. Breezy with highs around 60. South winds 15 to 25 mph. .WEDNESDAY NIGHT...Partly cloudy. Lows in the upper 30s. South winds 15 to 20 mph with gusts up to 30 mph. .THURSDAY...Mostly sunny. Showers likely in the afternoon. Highs in the upper 60s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 60 percent. .THURSDAY NIGHT...A chance of thunderstorms in the evening. Showers likely. Lows in the upper 30s. Chance of rain 70 percent. .FRIDAY...Partly sunny with a chance of showers. Highs in the mid 60s. Chance of rain 40 percent. .FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows around 40. Highs in the mid 70s. .SATURDAY NIGHT THROUGH MEMORIAL DAY...Mostly clear. Hot. Lows in the upper 40s. Highs in the mid 80s. $$ WYZ114-200100- Snowy Range- Including the cities of Centennial and Albany 1147 AM MDT Tue May 19 2026 .REST OF TODAY...Mostly sunny. A slight chance of thunderstorms and snow showers this afternoon. Highs in the upper 30s. East winds around 5 mph, becoming north this afternoon. Chance of snow 20 percent. .TONIGHT...Partly cloudy. Widespread frost after midnight. Cold with lows in the lower 20s. South winds around 5 mph. .WEDNESDAY...Widespread frost in the morning. Mostly sunny. Highs in the mid 40s. West winds 5 to 10 mph. .WEDNESDAY NIGHT...Mostly clear. Widespread frost after midnight. Cold with lows in the mid 20s. Southwest winds 5 to 10 mph, becoming south after midnight. .THURSDAY...Widespread frost in the morning. Mostly sunny in the morning, then mostly cloudy with rain showers, snow showers likely with a chance of thunderstorms in the afternoon. Little or no snow accumulation. Highs in the upper 40s. Southwest winds 5 to 10 mph, becoming west in the afternoon. Chance of precipitation 70 percent. .THURSDAY NIGHT...Mostly cloudy. Snow and rain showers likely, mainly in the evening. Little or no snow accumulation. Cold with lows in the upper 20s. Chance of precipitation 70 percent. .FRIDAY...A chance of snow showers in the morning. Partly sunny with a chance of rain showers. Highs in the lower 50s. Chance of precipitation 30 percent. .FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows in the upper 20s. Highs in the upper 50s. .SATURDAY NIGHT THROUGH MEMORIAL DAY...Mostly clear. Lows in the mid 30s. Highs in the upper 60s. $$ WYZ104-200100- Ferris/Seminoe/Shirley Mountains- Including the city of Seminoe Dam 1147 AM MDT Tue May 19 2026 ...FREEZE WARNING IN EFFECT FROM 9 PM THIS EVENING TO 10 AM MDT WEDNESDAY... .REST OF TODAY...Sunny. Highs in the upper 30s. Southwest winds around 5 mph. .TONIGHT...Mostly clear. Widespread frost after midnight. Cold with lows in the lower 20s. South winds around 5 mph. .WEDNESDAY...Widespread frost in the morning. Sunny. Highs in the upper 40s. Southwest winds 5 to 10 mph. .WEDNESDAY NIGHT...Partly cloudy. Cold with lows around 30. South winds 5 to 10 mph. .THURSDAY...Partly sunny in the morning, then mostly cloudy with a chance of rain showers in the afternoon. Highs in the lower 50s. Southwest winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 50 percent. .THURSDAY NIGHT...Mostly cloudy. Rain showers likely in the evening, then a chance of rain and snow showers after midnight. Little or no snow accumulation. Lows in the lower 30s. Chance of precipitation 60 percent. .FRIDAY...Mostly cloudy in the morning, then becoming partly sunny. A chance of rain showers in the morning. Highs in the mid 50s. Chance of rain 30 percent. .FRIDAY NIGHT...Partly cloudy. Lows in the mid 30s. .SATURDAY AND SATURDAY NIGHT...Mostly clear. Highs in the lower 60s. Lows around 40. .SUNDAY THROUGH MEMORIAL DAY...Mostly clear. Highs in the lower 70s. Lows in the lower 40s. $$ WYZ105-200100- Shirley Basin- Including the cities of Medicine Bow and Shirley Basin 1147 AM MDT Tue May 19 2026 ...FREEZE WARNING IN EFFECT FROM 9 PM THIS EVENING TO 10 AM MDT WEDNESDAY... .REST OF TODAY...Mostly sunny. Highs around 40. Light and variable winds, becoming southwest around 5 mph this afternoon. .TONIGHT...Mostly clear. Widespread frost after midnight. Cold with lows in the lower 20s. Southeast winds around 5 mph. .WEDNESDAY...Widespread frost in the morning. Mostly sunny. Highs in the upper 40s. Southwest winds 5 to 10 mph. .WEDNESDAY NIGHT...Mostly clear. Widespread frost after midnight. Cold with lows in the upper 20s. Southwest winds 5 to 10 mph, becoming south after midnight. .THURSDAY...Widespread frost in the morning. Mostly sunny in the morning, then mostly cloudy with a chance of rain showers and thunderstorms in the afternoon. Highs in the mid 50s. South winds around 5 mph, becoming west in the afternoon. Chance of rain 50 percent. .THURSDAY NIGHT...Mostly cloudy. Rain showers likely in the evening, then a chance of rain and snow showers after midnight. Little or no snow accumulation. Cold with lows in the lower 30s. Chance of precipitation 70 percent. .FRIDAY...Mostly cloudy with a chance of rain and snow showers in the morning, then partly sunny in the afternoon. Highs in the mid 50s. Chance of precipitation 30 percent. .FRIDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Lows in the lower 30s. .SATURDAY AND SATURDAY NIGHT...Mostly clear. Highs in the lower 60s. Lows in the upper 30s. .SUNDAY AND SUNDAY NIGHT...Mostly clear. Highs in the upper 60s. Lows around 40. .MEMORIAL DAY...Sunny. Highs in the mid 70s. $$ WYZ103-200100- North Laramie Range- Including the city of Garrett 1147 AM MDT Tue May 19 2026 .REST OF TODAY...Sunny. Not as cool with highs in the lower 40s. West winds around 5 mph. .TONIGHT...Mostly clear. Widespread frost after midnight. Cold with lows in the mid 20s. Southwest winds 5 to 10 mph. .WEDNESDAY...Widespread frost in the morning. Sunny. Not as cool with highs in the lower 50s. West winds 5 to 10 mph with gusts up to 20 mph. .WEDNESDAY NIGHT...Mostly clear. Widespread frost after midnight. Cold with lows in the lower 30s. Southwest winds 10 to 15 mph. .THURSDAY...Mostly sunny in the morning, then mostly cloudy with a chance of rain showers and thunderstorms in the afternoon. Highs in the lower 50s. West winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 50 percent. .THURSDAY NIGHT...Mostly cloudy. Rain showers likely, mainly in the evening. Lows in the mid 30s. Chance of rain 70 percent. .FRIDAY...A chance of snow showers in the morning. Partly sunny with a chance of rain showers. Highs in the mid 50s. Chance of precipitation 40 percent. .FRIDAY NIGHT...Partly cloudy. Lows in the mid 30s. .SATURDAY AND SATURDAY NIGHT...Mostly clear. Highs in the lower 60s. Lows in the lower 40s. .SUNDAY THROUGH MEMORIAL DAY...Mostly clear. Highs in the lower 70s. Lows in the mid 40s. $$ WYZ112-200100- Sierra Madre Range- 1147 AM MDT Tue May 19 2026 .REST OF TODAY...Mostly sunny. Highs in the lower 40s. North winds 5 to 10 mph. .TONIGHT...Mostly clear. Widespread frost after midnight. Cold with lows in the lower 20s. Northeast winds 5 to 10 mph, becoming southeast after midnight. .WEDNESDAY...Widespread frost in the morning. Sunny. Highs in the upper 40s. West winds 5 to 10 mph. .WEDNESDAY NIGHT...Mostly clear. Widespread frost after midnight. Cold with lows in the upper 20s. Southwest winds 5 to 10 mph with gusts up to 20 mph, becoming southeast after midnight. .THURSDAY...Mostly sunny in the morning, then mostly cloudy with snow showers likely, a chance of rain showers and thunderstorms in the afternoon. Little or no snow accumulation. Highs in the lower 50s. South winds 5 to 10 mph, becoming west 10 to 15 mph in the afternoon. Chance of precipitation 60 percent. .THURSDAY NIGHT...Mostly cloudy. Rain showers likely in the evening, then a chance of rain and snow showers after midnight. Little or no snow accumulation. Cold with lows in the lower 30s. Chance of precipitation 70 percent. .FRIDAY...Partly sunny. Highs in the lower 50s. .FRIDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Cold with lows in the lower 30s. .SATURDAY AND SATURDAY NIGHT...Mostly clear. Highs around 60. Lows in the upper 30s. .SUNDAY...Sunny. Highs in the upper 60s. .SUNDAY NIGHT...Partly cloudy in the evening, then clearing. Lows around 40. .MEMORIAL DAY...Sunny. Highs around 70. $$ NEZ096-200100- Southern Sioux County- Including the city of Agate 1147 AM MDT Tue May 19 2026 .REST OF TODAY...Sunny. Not as cool with highs in the upper 50s. West winds 5 to 10 mph. .TONIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 30s. South winds around 5 mph. .WEDNESDAY...Mostly cloudy in the morning, then becoming partly sunny. Highs in the lower 60s. South winds 15 to 20 mph with gusts up to 30 mph. .WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the upper 30s. South winds 15 to 20 mph. .THURSDAY...Mostly sunny. Rain showers likely in the afternoon. Highs in the mid 60s. South winds 10 to 15 mph. Chance of rain 60 percent. .THURSDAY NIGHT...A chance of thunderstorms in the evening. Showers likely. Lows in the upper 30s. Chance of rain 70 percent. .FRIDAY...Partly sunny with a chance of showers. Highs in the mid 60s. Chance of rain 40 percent. .FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows around 40. Highs in the mid 70s. .SATURDAY NIGHT THROUGH MEMORIAL DAY...Mostly clear. Hot. Lows in the upper 40s. Highs in the mid 80s. $$