FNUS55 KGGW 230634 FWFGGW Fire Weather Planning Forecast for Northeast Montana National Weather Service Glasgow MT 1234 AM MDT Sun Aug 23 2026 .DISCUSSION...Showers and thunderstorms will move east across the region this morning and again this afternoon and tonight with a cold front. A few storms could become severe with large hain and strong gusty and erratic winds. Gusty west to northwest winds are expected on Monday with dry weather and cooler temperatures. MTZ134-232230- Northern Valley and Northern Phillips Counties- 1234 AM MDT Sun Aug 23 2026 .TODAY... Sky/weather.........Mostly cloudy (50-60 percent). A slight chance of showers and thunderstorms in the morning, then a slight chance of thunderstorms in the afternoon. Some thunderstorms may be severe. Chance of thunder...10 percent. Max temperature.....91-96. Min humidity........28-33 percent. 20-foot winds.......Southeast winds 10 to 15 mph becoming southwest 5 to 15 mph in the late morning and afternoon. CWR (> 0.10 inch)...Zero. .TONIGHT... Sky/weather.........Partly cloudy (45-55 percent). A chance of showers and thunderstorms in the evening. Some thunderstorms may be severe. Chance of thunder...30 percent. Min temperature.....56-61. Max humidity........65-70 percent. 20-foot winds.......West winds 5 to 15 mph. CWR (> 0.10 inch)...20 percent. .MONDAY... Sky/weather.........Sunny (20-30 percent) then becoming partly cloudy (20-30 percent). Chance of thunder...0 percent. Max temperature.....80-85. Min humidity........28-33 percent. 20-foot winds.......West winds 15 to 25 mph. CWR (> 0.10 inch)...Zero. .Forecast days 3 through 7...... .TUESDAY...Mostly clear. Lows in the mid 50s. Highs in the lower 80s. Northwest winds 15 to 25 mph. .WEDNESDAY...Mostly clear. Lows in the lower 50s. Highs in the mid 80s. Northeast winds 10 to 15 mph. .THURSDAY...Partly cloudy. Lows in the upper 50s. Highs in the upper 80s. Southeast winds 5 to 15 mph. .FRIDAY...Partly cloudy. A slight chance of showers and thunderstorms. Lows in the upper 50s. Highs in the upper 80s. .SATURDAY...Partly cloudy. A slight chance of showers. Lows in the mid 50s. Highs in the mid 80s. $$ MTZ135-232230- The Little Rockies- 1234 AM MDT Sun Aug 23 2026 .TODAY... Sky/weather.........Partly cloudy (45-55 percent). A chance of showers and thunderstorms in the afternoon. Some thunderstorms may be severe. Chance of thunder...30 percent. Max temperature.....94-99 valleys and 83-88 ridges. Min humidity........23-28 percent. 20-foot winds....... Lower elevation......West winds 5 to 15 mph. Ridge............West winds 5 to 15 mph. CWR (> 0.10 inch)...Zero. .TONIGHT... Sky/weather.........Partly cloudy (35-45 percent). A slight chance of showers and thunderstorms in the evening. Some thunderstorms may be severe. Chance of thunder...20 percent. Min temperature.....58-63. Max humidity........48-53 percent. 20-foot winds....... Lower elevation......Northwest winds 5 to 15 mph. Ridge............Northwest winds 5 to 15 mph. CWR (> 0.10 inch)...Zero. .MONDAY... Sky/weather.........Sunny (15-25 percent). Chance of thunder...0 percent. Max temperature.....81-86 valleys and 72-77 ridges. Min humidity........26-31 percent. 20-foot winds....... Lower elevation......West winds 5 to 15 mph. Ridge............West winds 5 to 15 mph. CWR (> 0.10 inch)...Zero. .Forecast days 3 through 7...... .TUESDAY...Mostly clear. Lows in the mid 50s. Highs around 80. Northwest winds 10 to 15 mph. .WEDNESDAY...Mostly clear. Lows in the upper 50s. Highs in the mid 80s. East winds 5 to 15 mph. .THURSDAY...Partly cloudy. Lows in the lower 60s. Highs in the upper 80s. Southeast winds 5 to 15 mph. .FRIDAY...Partly cloudy. A slight chance of showers and thunderstorms. Lows in the lower 60s. Highs in the mid 80s. .SATURDAY...Partly cloudy. A slight chance of showers. Lows in the lower 60s. Highs in the lower 80s. $$ MTZ136-232230- The Lower Missouri River Breaks including the Charles M Russell National Wildlife Refuge- 1234 AM MDT Sun Aug 23 2026 .TODAY... Sky/weather.........Mostly cloudy (45-55 percent). A slight chance of thunderstorms in the afternoon. Some thunderstorms may be severe. Chance of thunder...10 percent. Max temperature.....92-97. Min humidity........25-30 percent. 20-foot winds....... Lower elevation......Upslope/upvalley 2-5 mph. Ridge............West winds 5 to 10 mph. CWR (> 0.10 inch)...Zero. .TONIGHT... Sky/weather.........Partly cloudy (45-55 percent). A chance of showers and a slight chance of thunderstorms in the evening. Some thunderstorms may be severe. Chance of thunder...20 percent. Min temperature.....61-66. Max humidity........58-63 percent. 20-foot winds....... Lower elevation......West winds 5 to 15 mph. Ridge............West winds 5 to 15 mph. CWR (> 0.10 inch)...20 percent. .MONDAY... Sky/weather.........Sunny (20-30 percent). Chance of thunder...0 percent. Max temperature.....80-85. Min humidity........23-28 percent. 20-foot winds....... Lower elevation......West winds 10 to 20 mph. Ridge............West winds 10 to 20 mph. CWR (> 0.10 inch)...Zero. .Forecast days 3 through 7...... .TUESDAY...Mostly clear. Lows in the upper 50s. Highs in the lower 80s. Northwest winds 10 to 20 mph. .WEDNESDAY...Mostly clear. Lows in the upper 50s. Highs in the mid 80s. East winds 5 to 10 mph. .THURSDAY...Partly cloudy. Lows in the lower 60s. Highs in the lower 90s. Southeast winds 5 to 15 mph. .FRIDAY...Partly cloudy. A slight chance of showers and thunderstorms. Lows in the lower 60s. Highs in the upper 80s. .SATURDAY...Partly cloudy. A slight chance of showers. Lows in the lower 60s. Highs in the mid 80s. $$ MTZ137-232230- Southern Petroleum and Southern Garfield Counties- 1234 AM MDT Sun Aug 23 2026 .TODAY... Sky/weather.........Partly cloudy (45-55 percent). A chance of showers and thunderstorms in the afternoon. Some thunderstorms may be severe. Heavy rainfall possible in the afternoon. Chance of thunder...10 percent. Max temperature.....92-97. Min humidity........22-27 percent. 20-foot winds....... Lower elevation......Upslope/upvalley 5-10 mph. Ridge............West winds 5 to 10 mph. CWR (> 0.10 inch)...Less than 10 percent. .TONIGHT... Sky/weather.........Partly cloudy (40-50 percent). A slight chance of showers and thunderstorms in the evening. Some thunderstorms may be severe. Chance of thunder...20 percent. Min temperature.....59-64. Max humidity........59-64 percent. 20-foot winds....... Lower elevation......West winds 5 to 15 mph. Ridge............West winds 5 to 15 mph. CWR (> 0.10 inch)...10 percent. .MONDAY... Sky/weather.........Partly cloudy (20-30 percent) then becoming sunny (5-15 percent). Chance of thunder...0 percent. Max temperature.....81-86. Min humidity........20-25 percent. 20-foot winds....... Lower elevation......Northwest winds 5 to 15 mph. Ridge............Northwest winds 10 to 20 mph. CWR (> 0.10 inch)...Zero. .Forecast days 3 through 7...... .TUESDAY...Mostly clear. Lows in the mid 50s. Highs in the lower 80s. Northwest winds 5 to 15 mph. .WEDNESDAY...Mostly clear. Lows in the mid 50s. Highs in the mid 80s. East winds 10 to 15 mph. .THURSDAY...Partly cloudy. Lows around 60. Highs in the lower 90s. Southeast winds 5 to 15 mph. .FRIDAY...Partly cloudy. A slight chance of showers. Lows in the lower 60s. Highs in the upper 80s. .SATURDAY...Partly cloudy. A slight chance of showers. Lows in the upper 50s. Highs in the mid 80s. $$ MTZ120-232230- Fort Peck Reservation and Daniels/Roosevelt/Sheridan Counties- 1234 AM MDT Sun Aug 23 2026 .TODAY... Sky/weather.........Mostly cloudy (50-60 percent). A chance of showers and thunderstorms in the morning, then a chance of showers and a slight chance of thunderstorms in the afternoon. Some thunderstorms may be severe in the morning. Some thunderstorms may produce damaging winds and large hail in the afternoon. Chance of thunder...40 percent. Max temperature.....86-91. Min humidity........44-49 percent. 20-foot winds.......Southeast winds 10 to 20 mph. CWR (> 0.10 inch)...10 percent. .TONIGHT... Sky/weather.........Mostly cloudy (50-60 percent) then becoming partly cloudy (40-50 percent). A slight chance of showers and thunderstorms in the evening. Some thunderstorms may produce damaging winds and large hail in the evening. Chance of thunder...20 percent. Min temperature.....57-62. Max humidity........84-89 percent. 20-foot winds.......Southeast winds 5 to 15 mph becoming southwest after midnight. CWR (> 0.10 inch)...30 percent. .MONDAY... Sky/weather.........Partly cloudy (25-35 percent). Chance of thunder...0 percent. Max temperature.....81-86. Min humidity........28-33 percent. 20-foot winds.......West winds 15 to 25 mph. CWR (> 0.10 inch)...Zero. .Forecast days 3 through 7...... .TUESDAY...Mostly clear. Lows in the mid 50s. Highs around 80. Northwest winds 15 to 25 mph. .WEDNESDAY...Mostly clear. Lows in the lower 50s. Highs around 80. North winds 10 to 20 mph. .THURSDAY...Partly cloudy. Lows in the mid 50s. Highs in the mid 80s. East winds 5 to 15 mph. .FRIDAY...Partly cloudy. A slight chance of showers and thunderstorms. Lows in the upper 50s. Highs in the mid 80s. .SATURDAY...Partly cloudy. A slight chance of showers. Lows in the mid 50s. Highs in the mid 80s. $$ MTZ122-232230- Dawson/McCone/Prairie/Richland/Wibaux Counties- 1234 AM MDT Sun Aug 23 2026 .TODAY... Sky/weather.........Mostly cloudy (50-60 percent). A chance of showers and a slight chance of thunderstorms in the morning, then a slight chance of showers and thunderstorms in the afternoon. Some thunderstorms may produce damaging winds and large hail. Chance of thunder...20 percent. Max temperature.....89-94. Min humidity........35-40 percent. 20-foot winds.......South winds 5 to 15 mph. CWR (> 0.10 inch)...Less than 10 percent. .TONIGHT... Sky/weather.........Partly cloudy (40-50 percent). A slight chance of showers and thunderstorms in the evening. Some thunderstorms may produce damaging winds and large hail in the evening. Chance of thunder...20 percent. Min temperature.....59-64. Max humidity........75-80 percent. 20-foot winds.......East winds 5 to 10 mph becoming south late in the evening, then becoming west after midnight. CWR (> 0.10 inch)...Less than 10 percent. .MONDAY... Sky/weather.........Partly cloudy (30-40 percent) then becoming sunny (10-20 percent). Chance of thunder...0 percent. Max temperature.....82-87. Min humidity........22-27 percent. 20-foot winds.......West winds 10 to 20 mph. CWR (> 0.10 inch)...Zero. .Forecast days 3 through 7...... .TUESDAY...Mostly clear. Lows in the mid 50s. Highs in the lower 80s. Northwest winds 10 to 20 mph. .WEDNESDAY...Mostly clear. Lows in the lower 50s. Highs in the lower 80s. North winds 10 to 15 mph. .THURSDAY...Partly cloudy. Lows in the mid 50s. Highs in the upper 80s. East winds 5 to 15 mph. .FRIDAY...Partly cloudy. A slight chance of showers and thunderstorms. Lows in the upper 50s. Highs in the upper 80s. .SATURDAY...Partly cloudy. A slight chance of showers. Lows in the upper 50s. Highs in the upper 80s. $$ weather.gov/glasgow