


Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Glasgow, MT
Issued by NWS Glasgow, MT
865 FNUS55 KGGW 302009 FWFGGW Fire Weather Planning Forecast for Northeast Montana National Weather Service Glasgow MT 209 PM MDT Sat Aug 30 2025 .DISCUSSION... The persistent western states summer monsoon influence combines with a stagnant flow pattern over eastern Montana, to allow for some scattered rain showers and a few isolated thunderstorms. Most of these are small and short-lived with minimal impact, although a brief heavy downpour and an errant lightning strike cannot be ruled out this afternoon. By this evening, most of the active weather conditions will shift away toward the southeast. MTZ134-311015- Northern Valley and Northern Phillips Counties- 209 PM MDT Sat Aug 30 2025 .TONIGHT... Sky/weather.........Partly cloudy (40-50 percent). Chance of thunder...0 percent. Min temperature.....50-55. Max humidity........91-96 percent. 20-foot winds.......South winds 5 to 15 mph. CWR (> 0.10 inch)...Less than 10 percent. .SUNDAY... Sky/weather.........Sunny (15-25 percent). Chance of thunder...0 percent. Max temperature.....84-89. Min humidity........27-32 percent. 20-foot winds.......South winds 5 to 15 mph becoming west 5 to 10 mph late in the afternoon. CWR (> 0.10 inch)...Less than 10 percent. .SUNDAY NIGHT... Sky/weather.........Partly cloudy (20-30 percent). Chance of thunder...0 percent. Min temperature.....53-58. Max humidity........76-81 percent. 20-foot winds.......Northwest winds 5 to 10 mph. CWR (> 0.10 inch)...Less than 10 percent. .LABOR DAY... Sky/weather.........Sunny (10-20 percent). Chance of thunder...0 percent. Max temperature.....85-90. Min humidity........23-28 percent. 20-foot winds.......Northwest winds 5 to 10 mph. CWR (> 0.10 inch)...Zero. .Forecast days 3 through 7...... .TUESDAY...Partly cloudy. A slight chance of showers. Lows in the mid 50s. Highs in the upper 70s. North winds 5 to 15 mph. .WEDNESDAY...Partly cloudy. Lows in the mid 40s. Highs in the lower 70s. East winds 5 to 15 mph. .THURSDAY...Partly cloudy. Lows in the lower 40s. Highs in the upper 70s. South winds 5 to 10 mph. .FRIDAY...Mostly clear. Lows in the upper 40s. Highs around 80. .SATURDAY...Partly cloudy. Lows in the upper 40s. Highs in the lower 80s. $$ MTZ135-311015- The Little Rockies- 209 PM MDT Sat Aug 30 2025 .TONIGHT... Sky/weather.........Mostly clear (15-25 percent). Chance of thunder...0 percent. Min temperature.....57-62 valleys and 51-56 ridges. Max humidity........74-79 percent. 20-foot winds....... Lower elevation......East winds 5 to 10 mph. Ridge............Southeast winds 5 to 10 mph becoming south after midnight. CWR (> 0.10 inch)...Less than 10 percent. .SUNDAY... Sky/weather.........Sunny (5-15 percent). Chance of thunder...0 percent. Max temperature.....86-91 valleys and 76-81 ridges. Min humidity........24-29 percent. 20-foot winds....... Lower elevation......Upslope/upvalley 2-5 mph becoming upslope/upvalley 4-8 mph late in the afternoon. Ridge............Southwest winds 5 to 10 mph becoming northwest late in the afternoon. CWR (> 0.10 inch)...Less than 10 percent. .SUNDAY NIGHT... Sky/weather.........Mostly clear (5-15 percent). Chance of thunder...0 percent. Min temperature.....58-63. Max humidity........51-56 percent. 20-foot winds....... Lower elevation......Northwest winds 5 to 10 mph. Ridge............Northwest winds 5 to 10 mph. CWR (> 0.10 inch)...Zero. .LABOR DAY... Sky/weather.........Sunny (5-15 percent). Chance of thunder...0 percent. Max temperature.....87-92 valleys and 76-81 ridges. Min humidity........24-29 percent. 20-foot winds....... Lower elevation......Upslope/upvalley 2-5 mph. Ridge............Northwest winds 5 to 10 mph. CWR (> 0.10 inch)...Zero. .Forecast days 3 through 7...... .TUESDAY...Partly cloudy. Lows around 60. Highs around 80. North winds 5 to 10 mph. .WEDNESDAY...Partly cloudy. Lows around 50. Highs in the lower 70s. East winds 5 to 15 mph. .THURSDAY...Partly cloudy. Lows around 50. Highs in the upper 70s. West winds 5 to 10 mph. .FRIDAY...Mostly clear. Lows in the lower 50s. Highs in the upper 70s. .SATURDAY...Partly cloudy. Lows in the mid 50s. Highs in the lower 80s. $$ MTZ136-311015- The Lower Missouri River Breaks including the Charles M Russell National Wildlife Refuge- 209 PM MDT Sat Aug 30 2025 .TONIGHT... Sky/weather.........Partly cloudy (45-55 percent). Chance of thunder...0 percent. Min temperature.....53-58. Max humidity........86-91 percent. 20-foot winds....... Lower elevation......South winds 5 to 15 mph until early morning becoming downslope/downvalley 2-5 mph. Ridge............South winds 5 to 10 mph. CWR (> 0.10 inch)...Less than 10 percent. .SUNDAY... Sky/weather.........Sunny (10-20 percent). Chance of thunder...0 percent. Max temperature.....84-89. Min humidity........27-32 percent. 20-foot winds....... Lower elevation......Upslope/upvalley 5-10 mph becoming upslope/upvalley 4-8 mph late in the afternoon. Ridge............South winds 5 to 10 mph becoming west late in the afternoon. CWR (> 0.10 inch)...Less than 10 percent. .SUNDAY NIGHT... Sky/weather.........Mostly clear (5-15 percent). Chance of thunder...0 percent. Min temperature.....57-62. Max humidity........67-72 percent. 20-foot winds....... Lower elevation......Northwest winds 5 to 10 mph early in the evening becoming downslope/downvalley 2-5 mph. Ridge............Northwest winds 5 to 10 mph becoming west up to 5 mph after midnight. CWR (> 0.10 inch)...Zero. .LABOR DAY... Sky/weather.........Sunny (5-15 percent). Chance of thunder...0 percent. Max temperature.....86-91. Min humidity........24-29 percent. 20-foot winds....... Lower elevation......Upslope/upvalley 2-5 mph. Ridge............Northwest winds 5 to 10 mph. CWR (> 0.10 inch)...Zero. .Forecast days 3 through 7...... .TUESDAY...Partly cloudy. Lows in the upper 50s. Highs in the lower 80s. North winds 5 to 10 mph. .WEDNESDAY...Partly cloudy. Lows in the upper 40s. Highs in the lower 70s. Northeast winds 5 to 15 mph. .THURSDAY...Partly cloudy. Lows in the upper 40s. Highs in the upper 70s. South winds 5 to 10 mph. .FRIDAY...Mostly clear. Lows in the lower 50s. Highs in the lower 80s. .SATURDAY...Partly cloudy. Lows in the lower 50s. Highs in the mid 80s. $$ MTZ137-311015- Southern Petroleum and Southern Garfield Counties- 209 PM MDT Sat Aug 30 2025 .TONIGHT... Sky/weather.........Partly cloudy (45-55 percent). Chance of thunder...0 percent. Min temperature.....50-55. Max humidity........90-95 percent. 20-foot winds....... Lower elevation......South winds 5 to 15 mph. Ridge............Southeast winds 10 to 20 mph becoming south 5 to 10 mph in the late evening and overnight. CWR (> 0.10 inch)...Less than 10 percent. .SUNDAY... Sky/weather.........Sunny (10-20 percent). Chance of thunder...0 percent. Max temperature.....84-89. Min humidity........24-29 percent. 20-foot winds....... Lower elevation......Upslope/upvalley 2-5 mph becoming upslope/upvalley 4-8 mph late in the afternoon. Ridge............South winds 5 to 10 mph becoming northwest late in the afternoon. CWR (> 0.10 inch)...Less than 10 percent. .SUNDAY NIGHT... Sky/weather.........Mostly clear (10-20 percent). Chance of thunder...0 percent. Min temperature.....54-59. Max humidity........67-72 percent. 20-foot winds....... Lower elevation......Downslope/downvalley 2-5 mph. Ridge............Northwest winds 5 to 10 mph becoming north up to 5 mph late in the evening, then becoming west after midnight. CWR (> 0.10 inch)...Zero. .LABOR DAY... Sky/weather.........Sunny (10-20 percent). Chance of thunder...0 percent. Max temperature.....84-89. Min humidity........22-27 percent. 20-foot winds....... Lower elevation......Upslope/upvalley 2-5 mph. Ridge............Northwest winds 5 to 10 mph. CWR (> 0.10 inch)...Zero. .Forecast days 3 through 7...... .TUESDAY...Partly cloudy. Lows in the mid 50s. Highs in the mid 80s. Northwest winds 5 to 10 mph. .WEDNESDAY...Partly cloudy. Lows in the upper 40s. Highs in the lower 70s. Northeast winds 5 to 15 mph. .THURSDAY...Partly cloudy. Lows in the mid 40s. Highs in the upper 70s. South winds 5 to 10 mph. .FRIDAY...Mostly clear. Lows in the upper 40s. Highs in the lower 80s. .SATURDAY...Partly cloudy. Lows in the lower 50s. Highs in the lower 80s. $$ MTZ120-311015- Fort Peck Reservation and Daniels/Roosevelt/Sheridan Counties- 209 PM MDT Sat Aug 30 2025 .TONIGHT... Sky/weather.........Mostly cloudy (55-65 percent) then becoming partly cloudy (40-50 percent). Chance of thunder...0 percent. Min temperature.....52-57. Max humidity........88-93 percent. 20-foot winds.......South winds 5 to 10 mph. CWR (> 0.10 inch)...Less than 10 percent. .SUNDAY... Sky/weather.........Partly cloudy (30-40 percent). Chance of thunder...0 percent. Max temperature.....81-86. Min humidity........38-43 percent. 20-foot winds.......South winds 5 to 15 mph. CWR (> 0.10 inch)...Less than 10 percent. .SUNDAY NIGHT... Sky/weather.........Partly cloudy (30-40 percent). A slight chance of showers and thunderstorms in the evening. Chance of thunder...20 percent. Min temperature.....54-59. Max humidity........80-85 percent. 20-foot winds.......West winds 5 to 10 mph becoming south in the late evening and early morning, then becoming west up to 5 mph early in the morning. CWR (> 0.10 inch)...10 percent. .LABOR DAY... Sky/weather.........Sunny (10-20 percent). Chance of thunder...0 percent. Max temperature.....84-89. Min humidity........26-31 percent. 20-foot winds.......Northwest winds 5 to 10 mph becoming 5 to 15 mph in the afternoon. CWR (> 0.10 inch)...Less than 10 percent. .Forecast days 3 through 7...... .TUESDAY...Mostly cloudy. A slight chance of showers. Lows in the mid 50s. Highs in the lower 70s. North winds 5 to 15 mph. .WEDNESDAY...Partly cloudy. Lows in the lower 40s. Highs in the upper 60s. Northeast winds 5 to 15 mph. .THURSDAY...Partly cloudy. Lows in the lower 40s. Highs in the mid 70s. Southwest winds 5 to 15 mph. .FRIDAY...Mostly clear. Lows in the mid 40s. Highs in the upper 70s. .SATURDAY...Mostly clear. Lows in the upper 40s. Highs in the upper 70s. $$ MTZ122-311015- Dawson/McCone/Prairie/Richland/Wibaux Counties- 209 PM MDT Sat Aug 30 2025 .TONIGHT... Sky/weather.........Mostly cloudy (50-60 percent). A slight chance of showers and thunderstorms in the evening. Chance of thunder...20 percent. Min temperature.....51-56. Max humidity........93-98 percent. 20-foot winds.......Southeast winds 10 to 20 mph becoming south 5 to 10 mph after midnight. CWR (> 0.10 inch)...10 percent. .SUNDAY... Sky/weather.........Partly cloudy (35-45 percent) then becoming sunny (20-30 percent). Chance of thunder...0 percent. Max temperature.....81-86. Min humidity........34-39 percent. 20-foot winds.......South winds 5 to 10 mph. CWR (> 0.10 inch)...Less than 10 percent. .SUNDAY NIGHT... Sky/weather.........Mostly clear (20-30 percent). Chance of thunder...0 percent. Min temperature.....53-58. Max humidity........81-86 percent. 20-foot winds.......Northwest winds up to 5 mph becoming south 5 to 10 mph in the late evening and early morning, then becoming southwest up to 5 mph early in the morning. CWR (> 0.10 inch)...Less than 10 percent. .LABOR DAY... Sky/weather.........Sunny (5-15 percent). Chance of thunder...0 percent. Max temperature.....85-90. Min humidity........25-30 percent. 20-foot winds.......West winds up to 5 mph becoming northwest 5 to 10 mph in the afternoon. CWR (> 0.10 inch)...Zero. .Forecast days 3 through 7...... .TUESDAY...Partly cloudy. A slight chance of showers and thunderstorms. Lows in the mid 50s. Highs around 80. North winds 5 to 10 mph. .WEDNESDAY...Partly cloudy. A slight chance of showers and thunderstorms. Lows in the mid 40s. Highs in the upper 60s. Northeast winds 5 to 15 mph. .THURSDAY...Partly cloudy. Lows in the lower 40s. Highs in the upper 70s. Southwest winds 5 to 10 mph. .FRIDAY...Mostly clear. Lows in the mid 40s. Highs in the upper 70s. .SATURDAY...Mostly clear. Lows in the upper 40s. Highs in the lower 80s. $$ weather.gov/glasgow