


Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Glasgow, MT
Issued by NWS Glasgow, MT
882 FNUS55 KGGW 170901 FWFGGW Fire Weather Planning Forecast for Northeast Montana National Weather Service Glasgow MT 301 AM MDT Sun Aug 17 2025 .DISCUSSION... An upper ridge will be building into the region over the next few days. This will push temperatures above normal today through Wednesday. Weak waves moving through the ridge will produce isolated to scattered thunderstorms today, tonight and Monday. Overall fire weather concerns remain low through Monday, with minimum humidity above 30% and good overnight recovery. Tuesday and Wednesday, concern may increase with the airmass drying out and temperatures approaching 100 for highs. MTZ134-172230- Northern Valley and Northern Phillips Counties- 301 AM MDT Sun Aug 17 2025 .TODAY... Sky/weather.........Partly cloudy (35-45 percent). Chance of thunder...0 percent. Max temperature.....83-88. Min humidity........34-39 percent. 20-foot winds.......West winds 5 to 10 mph. CWR (> 0.10 inch)...Zero. .TONIGHT... Sky/weather.........Mostly cloudy (50-60 percent). A slight chance of showers and thunderstorms in the evening, then a slight chance of showers after midnight. Chance of thunder...20 percent. Min temperature.....57-62. Max humidity........86-91 percent. 20-foot winds.......West winds 5 to 10 mph becoming southwest up to 5 mph early in the morning. CWR (> 0.10 inch)...Less than 10 percent. .MONDAY... Sky/weather.........Partly cloudy (40-50 percent). A slight chance of showers and thunderstorms in the afternoon. Chance of thunder...20 percent. Max temperature.....86-91. Min humidity........32-37 percent. 20-foot winds.......South winds 5 to 10 mph. CWR (> 0.10 inch)...Zero. .Forecast days 3 through 7...... .TUESDAY...Mostly clear. Lows in the lower 60s. Highs in the mid 90s. Southeast winds 5 to 10 mph. .WEDNESDAY...Mostly clear. Lows in the mid 60s. Highs in the mid 90s. East winds 5 to 10 mph. .THURSDAY...Mostly clear. Lows around 60. Highs around 80. Northwest winds 5 to 15 mph. .FRIDAY...Mostly clear. Lows in the lower 50s. Highs in the mid 70s. .SATURDAY...Mostly clear. Lows around 50. Highs in the upper 70s. $$ MTZ135-172230- The Little Rockies- 301 AM MDT Sun Aug 17 2025 .TODAY... Sky/weather.........Partly cloudy (35-45 percent). Chance of thunder...0 percent. Max temperature.....85-90 valleys and 75-80 ridges. Min humidity........27-32 percent valleys and 36-41 percent ridges. 20-foot winds....... Lower elevation......Upslope/upvalley 2-5 mph. Ridge............West winds 5 to 10 mph. CWR (> 0.10 inch)...Zero. .TONIGHT... Sky/weather.........Mostly cloudy (55-65 percent). A chance of showers and thunderstorms in the evening. Chance of thunder...30 percent. Min temperature.....61-66 valleys and 53-58 ridges. Max humidity........74-79 percent. 20-foot winds....... Lower elevation......Variable less than 5 mph. Ridge............West winds up to 5 mph becoming southwest 5 to 10 mph in the late evening and overnight. CWR (> 0.10 inch)...30 percent. .MONDAY... Sky/weather.........Sunny (15-25 percent). A slight chance of showers in the afternoon. Chance of thunder...0 percent. Max temperature.....89-94 valleys and 78-83 ridges. Min humidity........32-37 percent. 20-foot winds....... Lower elevation......Upslope/upvalley 2-5 mph. Ridge............South winds 5 to 10 mph. CWR (> 0.10 inch)...Zero. .Forecast days 3 through 7...... .TUESDAY...Mostly clear. Lows in the mid 60s. Highs in the mid 90s. Southeast winds 5 to 10 mph. .WEDNESDAY...Mostly clear. Lows in the mid 60s. Highs in the lower 90s. Northeast winds 5 to 10 mph. .THURSDAY...Mostly clear. A slight chance of showers. Lows in the lower 60s. Highs in the upper 70s. Northwest winds 5 to 10 mph. .FRIDAY...Mostly clear. A slight chance of showers. Lows in the mid 50s. Highs in the mid 70s. .SATURDAY...Mostly clear. Lows in the lower 50s. Highs in the upper 70s. $$ MTZ136-172230- The Lower Missouri River Breaks including the Charles M Russell National Wildlife Refuge- 301 AM MDT Sun Aug 17 2025 .TODAY... Sky/weather.........Partly cloudy (30-40 percent). Chance of thunder...0 percent. Max temperature.....84-89. Min humidity........37-42 percent. 20-foot winds....... Lower elevation......Upslope/upvalley 2-5 mph becoming upslope/upvalley 4-8 mph late in the afternoon. Ridge............Northwest winds 5 to 10 mph becoming north late in the afternoon. CWR (> 0.10 inch)...Zero. .TONIGHT... Sky/weather.........Mostly cloudy (50-60 percent). A slight chance of showers and thunderstorms. Chance of thunder...20 percent. Min temperature.....60-65. Max humidity........83-88 percent. 20-foot winds....... Lower elevation......Variable less than 5 mph. Ridge............Southwest winds up to 5 mph. CWR (> 0.10 inch)...20 percent. .MONDAY... Sky/weather.........Partly cloudy (35-45 percent) then becoming sunny (20-30 percent). A slight chance of showers and thunderstorms in the afternoon. Chance of thunder...20 percent. Max temperature.....87-92. Min humidity........33-38 percent. 20-foot winds....... Lower elevation......Upslope/upvalley 2-5 mph. Ridge............South winds 5 to 10 mph. CWR (> 0.10 inch)...Zero. .Forecast days 3 through 7...... .TUESDAY...Mostly clear. Lows in the mid 60s. Highs in the upper 90s. Southeast winds 5 to 10 mph. .WEDNESDAY...Mostly clear. Lows in the upper 60s. Highs in the upper 90s. Southeast winds 5 to 10 mph. .THURSDAY...Partly cloudy. A slight chance of showers. Lows in the mid 60s. Highs in the lower 80s. Northwest winds 5 to 15 mph. .FRIDAY...Mostly clear. A slight chance of showers. Lows in the upper 50s. Highs in the upper 70s. .SATURDAY...Mostly clear. Lows in the mid 50s. Highs in the upper 70s. $$ MTZ137-172230- Southern Petroleum and Southern Garfield Counties- 301 AM MDT Sun Aug 17 2025 .TODAY... Sky/weather.........Partly cloudy (45-55 percent). Chance of thunder...0 percent. Max temperature.....85-90. Min humidity........33-38 percent. 20-foot winds....... Lower elevation......Upslope/upvalley 2-5 mph. Ridge............North winds 5 to 10 mph. CWR (> 0.10 inch)...Zero. .TONIGHT... Sky/weather.........Mostly cloudy (55-65 percent). A chance of showers and thunderstorms in the evening, then a slight chance of showers after midnight. Chance of thunder...30 percent. Min temperature.....58-63. Max humidity........85-90 percent. 20-foot winds....... Lower elevation......Variable less than 5 mph. Ridge............Northwest winds up to 5 mph becoming southwest 5 to 10 mph after midnight. CWR (> 0.10 inch)...20 percent. .MONDAY... Sky/weather.........Partly cloudy (30-40 percent) then becoming sunny (20-30 percent). A slight chance of showers and thunderstorms in the afternoon. Chance of thunder...10 percent. Max temperature.....88-93. Min humidity........28-33 percent. 20-foot winds....... Lower elevation......Upslope/upvalley 2-5 mph. Ridge............South winds up to 5 mph. CWR (> 0.10 inch)...Zero. .Forecast days 3 through 7...... .TUESDAY...Mostly clear. Lows in the lower 60s. Highs in the upper 90s. Southeast winds 5 to 10 mph. .WEDNESDAY...Mostly clear. Lows in the mid 60s. Highs in the upper 90s. South winds 5 to 15 mph. .THURSDAY...Mostly clear. Lows in the mid 60s. Highs in the lower 80s. Northwest winds 5 to 15 mph. .FRIDAY...Mostly clear. A slight chance of showers. Lows in the mid 50s. Highs in the upper 70s. .SATURDAY...Mostly clear. Lows in the mid 50s. Highs around 80. $$ MTZ120-172230- Fort Peck Reservation and Daniels/Roosevelt/Sheridan Counties- 301 AM MDT Sun Aug 17 2025 .TODAY... Sky/weather.........Mostly cloudy (45-55 percent). A slight chance of showers in the morning, then a slight chance of showers and thunderstorms in the afternoon. Chance of thunder...20 percent. Max temperature.....83-88. Min humidity........50-55 percent. 20-foot winds.......Southeast winds 5 to 15 mph becoming west 5 to 10 mph late in the afternoon. CWR (> 0.10 inch)...Zero. .TONIGHT... Sky/weather.........Partly cloudy (40-50 percent) then becoming mostly cloudy (60-70 percent). A slight chance of showers and thunderstorms. Chance of thunder...20 percent. Min temperature.....59-64. Max humidity........87-92 percent. 20-foot winds.......West winds 5 to 10 mph becoming southeast up to 5 mph late in the evening, then becoming west after midnight. CWR (> 0.10 inch)...Less than 10 percent. .MONDAY... Sky/weather.........Mostly cloudy (50-60 percent). A slight chance of showers in the morning, then a slight chance of showers and thunderstorms in the afternoon. Chance of thunder...20 percent. Max temperature.....85-90. Min humidity........41-46 percent. 20-foot winds.......Southwest winds up to 5 mph becoming south 5 to 10 mph in the late morning and afternoon. CWR (> 0.10 inch)...Zero. .Forecast days 3 through 7...... .TUESDAY...Mostly clear. Lows in the lower 60s. Highs in the mid 90s. Southeast winds 5 to 10 mph. .WEDNESDAY...Mostly clear. Lows in the mid 60s. Highs in the upper 90s. Southeast winds 5 to 15 mph. .THURSDAY...Partly cloudy. A slight chance of showers and thunderstorms. Lows in the lower 60s. Highs in the lower 80s. Northwest winds 5 to 15 mph. .FRIDAY...Mostly clear. Lows in the lower 50s. Highs in the mid 70s. .SATURDAY...Mostly clear. Lows around 50. Highs in the mid 70s. $$ MTZ122-172230- Dawson/McCone/Prairie/Richland/Wibaux Counties- 301 AM MDT Sun Aug 17 2025 .TODAY... Sky/weather.........Partly cloudy (40-50 percent) then becoming sunny (20-30 percent). A slight chance of showers in the afternoon. Chance of thunder...0 percent. Max temperature.....85-90. Min humidity........45-50 percent. 20-foot winds.......Southeast winds 5 to 10 mph becoming north up to 5 mph late in the afternoon. CWR (> 0.10 inch)...Zero. .TONIGHT... Sky/weather.........Partly cloudy (40-50 percent) then becoming mostly cloudy (55-65 percent). A slight chance of showers and thunderstorms. Chance of thunder...20 percent. Min temperature.....60-65. Max humidity........89-94 percent. 20-foot winds.......Northeast winds up to 5 mph becoming east late in the evening, then becoming west after midnight becoming southwest early in the morning. CWR (> 0.10 inch)...10 percent. .MONDAY... Sky/weather.........Mostly cloudy (50-60 percent). A slight chance of showers in the morning, then a slight chance of showers and thunderstorms in the afternoon. Chance of thunder...20 percent. Max temperature.....87-92. Min humidity........38-43 percent. 20-foot winds.......Southwest winds up to 5 mph becoming southeast 5 to 10 mph in the late morning and afternoon. CWR (> 0.10 inch)...Zero. .Forecast days 3 through 7...... .TUESDAY...Mostly clear. Lows in the lower 60s. Highs in the mid 90s. Southeast winds 5 to 10 mph. .WEDNESDAY...Mostly clear. Lows in the upper 60s. Highs around 101. Southeast winds 5 to 15 mph. .THURSDAY...Mostly clear. Lows in the mid 60s. Highs in the mid 80s. Northwest winds 5 to 15 mph. .FRIDAY...Mostly clear. A slight chance of showers. Lows in the mid 50s. Highs in the upper 70s. .SATURDAY...Mostly clear. Lows in the lower 50s. Highs in the upper 70s. $$ weather.gov/glasgow