FNUS55 KGGW 200724 FWFGGW Fire Weather Planning Forecast for Northeast Montana National Weather Service Glasgow MT 124 AM MDT Wed May 20 2026 .DISCUSSION...A cold front will move through eastern Montana today. There will be showers and thunderstorms at times today across the region. An upper level trough of low pressure on Thursday will bring additional showers and thunderstorms especially south and east of Fort Peck Lake. Chances for showers will linger in the east Thursday night and Friday before warmer temperatures move into Montana for the weekend and early next week. MTZ134-202230- Northern Valley and Northern Phillips Counties- 124 AM MDT Wed May 20 2026 .TODAY... Sky/weather.........A chance of showers in the morning, then a chance of showers and thunderstorms in the afternoon. Chance of thunder...50 percent. Max temperature.....61-66. Min humidity........44-49 percent. 20-foot winds.......West winds 5 to 15 mph becoming northwest in the afternoon. CWR (> 0.10 inch)...20 percent. .TONIGHT... Sky/weather.........Mostly cloudy (55-65 percent). Chance of thunder...0 percent. Min temperature.....36-41. Max humidity........91-96 percent. 20-foot winds.......Northwest winds 5 to 15 mph becoming 5 to 10 mph in the late evening and overnight. CWR (> 0.10 inch)...Zero. .THURSDAY... Sky/weather.........Mostly cloudy (60-70 percent). Chance of thunder...0 percent. Max temperature.....60-65. Min humidity........40-45 percent. 20-foot winds.......Northwest winds 5 to 10 mph. CWR (> 0.10 inch)...Zero. .Forecast days 3 through 7...... .FRIDAY...Partly cloudy. Lows in the upper 30s. Highs around 70. Northwest winds 5 to 10 mph. .SATURDAY...Partly cloudy. Lows in the lower 40s. Highs in the upper 70s. South winds 5 to 10 mph. .SUNDAY...Partly cloudy. Lows in the upper 40s. Highs in the lower 80s. Southwest winds 10 to 20 mph. .MEMORIAL DAY...Partly cloudy. Lows around 50. Highs in the mid 80s. .TUESDAY...Partly cloudy. Lows in the lower 50s. Highs in the lower 80s. $$ MTZ135-202230- The Little Rockies- 124 AM MDT Wed May 20 2026 .TODAY... Sky/weather.........A chance of showers in the morning, then a chance of showers and thunderstorms in the afternoon. Chance of thunder...50 percent. Max temperature.....61-66 valleys and 51-56 ridges. Min humidity........44-49 percent valleys and 54-59 percent ridges. 20-foot winds....... Lower elevation......Northwest winds 5 to 15 mph. Ridge............Northwest winds 5 to 15 mph. CWR (> 0.10 inch)...30 percent. .TONIGHT... Sky/weather.........Mostly cloudy (65-75 percent). Chance of thunder...0 percent. Min temperature.....42-47 valleys and 34-39 ridges. Max humidity........76-81 percent. 20-foot winds....... Lower elevation......North winds 5 to 15 mph becoming variable less than 5 mph after midnight. Ridge............Northwest winds 5 to 10 mph. CWR (> 0.10 inch)...Zero. .THURSDAY... Sky/weather.........Mostly cloudy (65-75 percent). A slight chance of showers in the afternoon. Chance of thunder...0 percent. Max temperature.....62-67 valleys and 52-57 ridges. Min humidity........33-38 percent valleys and 42-47 percent ridges. 20-foot winds....... Lower elevation......Upslope/upvalley 5-10 mph. Ridge............Northwest winds 5 to 15 mph. CWR (> 0.10 inch)...Zero. .Forecast days 3 through 7...... .FRIDAY...Mostly clear. Lows in the lower 40s. Highs in the upper 60s. Northwest winds 5 to 10 mph. .SATURDAY...Partly cloudy. Lows in the upper 40s. Highs in the mid 70s. Southwest winds 5 to 10 mph. .SUNDAY...Partly cloudy. Lows in the lower 50s. Highs in the upper 70s. Southwest winds 10 to 15 mph. .MEMORIAL DAY...Partly cloudy. Lows in the mid 50s. Highs in the lower 80s. .TUESDAY...Partly cloudy. A slight chance of showers and thunderstorms. Lows in the mid 50s. Highs in the mid 70s. $$ MTZ136-202230- The Lower Missouri River Breaks including the Charles M Russell National Wildlife Refuge- 124 AM MDT Wed May 20 2026 .TODAY... Sky/weather.........A chance of showers in the morning, then a chance of showers and a slight chance of thunderstorms in the afternoon. Chance of thunder...20 percent. Max temperature.....63-68. Min humidity........40-45 percent. 20-foot winds....... Lower elevation......West winds 10 to 20 mph becoming northwest late in the afternoon. Ridge............West winds 5 to 15 mph becoming northwest late in the afternoon. CWR (> 0.10 inch)...20 percent. .TONIGHT... Sky/weather.........Mostly cloudy (70-80 percent). A slight chance of showers in the evening. Chance of thunder...0 percent. Min temperature.....40-45. Max humidity........81-86 percent. 20-foot winds....... Lower elevation......Northwest winds 5 to 15 mph decreasing to variable less than 5 mph after midnight. Ridge............Northwest winds 5 to 10 mph. CWR (> 0.10 inch)...Zero. .THURSDAY... Sky/weather.........Mostly cloudy (65-75 percent). A chance of showers in the morning, then a slight chance of showers in the afternoon. Chance of thunder...0 percent. Max temperature.....60-65. Min humidity........39-44 percent. 20-foot winds....... Lower elevation......Upslope/upvalley 5-10 mph. Ridge............Northwest winds 5 to 10 mph. CWR (> 0.10 inch)...Zero. .Forecast days 3 through 7...... .FRIDAY...Partly cloudy. Lows in the lower 40s. Highs around 70. West winds 5 to 10 mph. .SATURDAY...Partly cloudy. Lows in the mid 40s. Highs in the upper 70s. South winds 5 to 10 mph. .SUNDAY...Partly cloudy. Lows in the lower 50s. Highs in the lower 80s. Southwest winds 10 to 15 mph. .MEMORIAL DAY...Partly cloudy. Lows in the mid 50s. Highs in the upper 80s. .TUESDAY...Partly cloudy. Lows in the mid 50s. Highs in the lower 80s. $$ MTZ137-202230- Southern Petroleum and Southern Garfield Counties- 124 AM MDT Wed May 20 2026 .TODAY... Sky/weather.........Mostly cloudy (45-55 percent). A chance of showers and a slight chance of thunderstorms in the afternoon. Chance of thunder...20 percent. Max temperature.....64-69. Min humidity........35-40 percent. 20-foot winds....... Lower elevation......Upslope/upvalley 5-10 mph becoming west 5 to 15 mph in the late morning and afternoon. Ridge............Northwest winds 5 to 15 mph. CWR (> 0.10 inch)...20 percent. .TONIGHT... Sky/weather.........Mostly cloudy (80-90 percent). A chance of showers and a slight chance of thunderstorms in the evening, then a chance of showers after midnight. Chance of thunder...20 percent. Min temperature.....38-43. Max humidity........83-88 percent. 20-foot winds....... Lower elevation......Northwest winds 5 to 10 mph. Ridge............Northwest winds 5 to 15 mph becoming 5 to 10 mph in the late evening and overnight. CWR (> 0.10 inch)...10 percent. .THURSDAY... Sky/weather.........Mostly cloudy (75-85 percent). A chance of showers. Chance of thunder...0 percent. Max temperature.....58-63. Min humidity........43-48 percent. 20-foot winds....... Lower elevation......Northwest winds 5 to 15 mph. Ridge............Northwest winds 5 to 15 mph. CWR (> 0.10 inch)...Less than 10 percent. .Forecast days 3 through 7...... .FRIDAY...Partly cloudy. Lows in the upper 30s. Highs in the upper 60s. West winds 5 to 10 mph. .SATURDAY...Partly cloudy. Lows in the lower 40s. Highs in the upper 70s. South winds 5 to 10 mph. .SUNDAY...Partly cloudy. Lows in the upper 40s. Highs in the lower 80s. Southwest winds 5 to 15 mph. .MEMORIAL DAY...Partly cloudy. Lows in the lower 50s. Highs in the upper 80s. .TUESDAY...Partly cloudy. Lows in the lower 50s. Highs in the lower 80s. $$ MTZ120-202230- Fort Peck Reservation and Daniels/Roosevelt/Sheridan Counties- 124 AM MDT Wed May 20 2026 .TODAY... Sky/weather.........A chance of showers and a slight chance of thunderstorms in the afternoon. Chance of thunder...20 percent. Max temperature.....66-71. Min humidity........36-41 percent. 20-foot winds.......Southwest winds 5 to 15 mph becoming west 10 to 20 mph late in the afternoon. CWR (> 0.10 inch)...20 percent. .TONIGHT... Sky/weather.........Mostly cloudy (65-75 percent). A slight chance of showers and thunderstorms in the evening. Chance of thunder...20 percent. Min temperature.....38-43. Max humidity........89-94 percent. 20-foot winds.......Northwest winds 5 to 15 mph becoming 5 to 10 mph in the late evening and overnight. CWR (> 0.10 inch)...10 percent. .THURSDAY... Sky/weather.........Mostly cloudy (80-90 percent). A slight chance of showers in the morning, then a chance of showers and a slight chance of thunderstorms in the afternoon. Chance of thunder...20 percent. Max temperature.....62-67. Min humidity........41-46 percent. 20-foot winds.......Northwest winds 5 to 10 mph. CWR (> 0.10 inch)...Less than 10 percent. .Forecast days 3 through 7...... .FRIDAY...Mostly cloudy. A chance of showers. Lows around 40. Highs in the upper 60s. Northwest winds 5 to 10 mph. .SATURDAY...Partly cloudy. Lows in the lower 40s. Highs in the mid 70s. South winds 5 to 10 mph. .SUNDAY...Partly cloudy. A slight chance of showers. Lows in the upper 40s. Highs in the lower 80s. South winds 10 to 20 mph. .MEMORIAL DAY...Partly cloudy. Lows around 50. Highs in the upper 80s. .TUESDAY...Partly cloudy. Lows in the mid 50s. Highs in the mid 80s. $$ MTZ122-202230- Dawson/McCone/Prairie/Richland/Wibaux Counties- 124 AM MDT Wed May 20 2026 .TODAY... Sky/weather.........Partly cloudy (45-55 percent). A chance of showers and a slight chance of thunderstorms in the afternoon. Chance of thunder...20 percent. Max temperature.....69-74. Min humidity........27-32 percent. 20-foot winds.......Southwest winds 5 to 15 mph becoming west 10 to 20 mph late in the afternoon. CWR (> 0.10 inch)...Less than 10 percent. .TONIGHT... Sky/weather.........Mostly cloudy (65-75 percent). A chance of showers and a slight chance of thunderstorms in the evening, then a slight chance of showers after midnight. Chance of thunder...20 percent. Min temperature.....39-44. Max humidity........88-93 percent. 20-foot winds.......Northwest winds 10 to 20 mph decreasing to up to 5 mph and gusty in the late evening and overnight. CWR (> 0.10 inch)...10 percent. .THURSDAY... Sky/weather.........Mostly cloudy (80-90 percent). A chance of showers in the morning, then a chance of showers and a slight chance of thunderstorms in the afternoon. Chance of thunder...20 percent. Max temperature.....61-66. Min humidity........43-48 percent. 20-foot winds.......North winds 5 to 10 mph. CWR (> 0.10 inch)...10 percent. .Forecast days 3 through 7...... .FRIDAY...Mostly cloudy. A chance of showers. Lows in the lower 40s. Highs in the upper 60s. West winds 5 to 10 mph. .SATURDAY...Partly cloudy. Lows in the lower 40s. Highs in the upper 70s. South winds 5 to 10 mph. .SUNDAY...Partly cloudy. A slight chance of showers. Lows in the upper 40s. Highs in the lower 80s. Southwest winds 10 to 15 mph. .MEMORIAL DAY...Partly cloudy. Lows in the lower 50s. Highs in the upper 80s. .TUESDAY...Partly cloudy. Lows in the mid 50s. Highs in the mid 80s. $$ weather.gov/glasgow