


Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Glasgow, MT
Issued by NWS Glasgow, MT
183 FNUS55 KGGW 220926 FWFGGW Fire Weather Planning Forecast for Northeast Montana National Weather Service Glasgow MT Issued by National Weather Service Billings MT 326 AM MDT Thu May 22 2025 .DISCUSSION... A brief dry period is expected today with a surface high pressure system in place. This will quickly be replaced by a low pressure system, starting this evening in central Montana. With recent rains and below average temperatures the past few days, energy release component values indicate diminished fire concerns. Generally, relative humidity values above 25 percent and winds below 20 mph are expected today and Friday. MTZ134-222215- Northern Valley and Northern Phillips Counties- 326 AM MDT Thu May 22 2025 .TODAY... Sky/weather.........Partly cloudy (30-40 percent). Patchy fog in the morning. Chance of thunder...0 percent. Max temperature.....65-70. Min humidity........34-39 percent. 20-foot winds.......Southeast winds 10 to 20 mph. CWR (> 0.10 inch)...Less than 10 percent. .TONIGHT... Sky/weather.........A slight chance of showers in the evening, then a chance of showers after midnight. Chance of thunder...0 percent. Min temperature.....41-46. Max humidity........87-92 percent. 20-foot winds.......East winds 10 to 20 mph. CWR (> 0.10 inch)...40 percent. .FRIDAY... Sky/weather.........Showers likely. Chance of thunder...0 percent. Max temperature.....53-58. Min humidity........70-75 percent. 20-foot winds.......East winds 10 to 15 mph. CWR (> 0.10 inch)...60 percent. .Forecast days 3 through 7...... .SATURDAY...Mostly cloudy. A chance of showers. Lows in the lower 40s. Highs in the lower 60s. East winds 5 to 15 mph. .SUNDAY...Partly cloudy. A chance of showers. Lows in the lower 40s. Highs in the mid 60s. East winds 5 to 15 mph. .MEMORIAL DAY...Mostly clear. Lows in the lower 40s. Highs in the upper 60s. Southeast winds 10 to 20 mph. .TUESDAY...Mostly clear. Lows in the mid 40s. Highs in the lower 70s. .WEDNESDAY...Mostly clear. A slight chance of showers. Lows in the mid 40s. Highs in the upper 70s. $$ MTZ135-222215- The Little Rockies- 326 AM MDT Thu May 22 2025 .TODAY... Sky/weather.........Sunny (20-30 percent) then becoming mostly cloudy (50-60 percent). Chance of thunder...0 percent. Max temperature.....68-73 valleys and 59-64 ridges. Min humidity........27-32 percent. 20-foot winds....... Lower elevation......Southeast winds 10 to 20 mph. Ridge............Southeast winds 10 to 20 mph. CWR (> 0.10 inch)...Less than 10 percent. .TONIGHT... Sky/weather.........A slight chance of showers in the evening, then showers after midnight. Chance of thunder...0 percent. Min temperature.....47-52 valleys and 40-45 ridges. Max humidity........84-89 percent. 20-foot winds....... Lower elevation......East winds 10 to 20 mph decreasing to 5 to 10 mph early in the morning. Ridge............East winds 15 to 25 mph. CWR (> 0.10 inch)...80 percent. .FRIDAY... Sky/weather.........Showers likely in the morning, then showers in the afternoon. Chance of thunder...0 percent. Max temperature.....57-62 valleys and 47-52 ridges. Min humidity........57-62 percent valleys and 74-79 percent ridges. 20-foot winds....... Lower elevation......Northeast winds 5 to 15 mph in the morning becoming upslope/upvalley 5-10 mph. Ridge............East winds 10 to 15 mph becoming northeast 5 to 15 mph in the late morning and afternoon. CWR (> 0.10 inch)...40 percent. .Forecast days 3 through 7...... .SATURDAY...Partly cloudy. A chance of showers. Lows in the lower 40s. Highs in the lower 60s. East winds 5 to 10 mph. .SUNDAY...Partly cloudy. A chance of showers. Lows in the mid 40s. Highs in the mid 60s. East winds 5 to 10 mph. .MEMORIAL DAY...Mostly clear. Lows in the mid 40s. Highs in the upper 60s. Southeast winds 5 to 15 mph. .TUESDAY...Mostly clear. A slight chance of showers. Lows in the upper 40s. Highs in the lower 70s. .WEDNESDAY...Partly cloudy. A slight chance of showers. Lows around 50. Highs in the mid 70s. $$ MTZ136-222215- The Lower Missouri River Breaks including the Charles M Russell National Wildlife Refuge- 326 AM MDT Thu May 22 2025 .TODAY... Sky/weather.........Sunny (20-30 percent) then becoming partly cloudy (40-50 percent). Patchy fog in the morning. Chance of thunder...0 percent. Max temperature.....67-72. Min humidity........27-32 percent. 20-foot winds....... Lower elevation......Southeast winds 10 to 15 mph. Ridge............Southeast winds 10 to 20 mph. CWR (> 0.10 inch)...Less than 10 percent. .TONIGHT... Sky/weather.........Showers likely in the evening, then showers after midnight. Chance of thunder...0 percent. Min temperature.....46-51. Max humidity........83-88 percent. 20-foot winds....... Lower elevation......East winds 10 to 20 mph. Ridge............East winds 10 to 20 mph. CWR (> 0.10 inch)...60 percent. .FRIDAY... Sky/weather.........Showers likely. Chance of thunder...0 percent. Max temperature.....55-60. Min humidity........62-67 percent. 20-foot winds....... Lower elevation......Upslope/upvalley 5-10 mph becoming upslope/upvalley 4-8 mph late in the afternoon. Ridge............East winds 5 to 15 mph becoming northeast 10 to 15 mph in the afternoon. CWR (> 0.10 inch)...30 percent. .Forecast days 3 through 7...... .SATURDAY...Mostly cloudy. A chance of showers. Lows in the mid 40s. Highs in the mid 60s. East winds 10 to 15 mph. .SUNDAY...Partly cloudy. A chance of showers. Lows in the mid 40s. Highs in the upper 60s. East winds 5 to 10 mph. .MEMORIAL DAY...Mostly clear. Lows in the upper 40s. Highs around 70. Southeast winds 5 to 15 mph. .TUESDAY...Mostly clear. Lows in the upper 40s. Highs in the mid 70s. .WEDNESDAY...Mostly clear. A slight chance of showers. Lows around 50. Highs in the upper 70s. $$ MTZ137-222215- Southern Petroleum and Southern Garfield Counties- 326 AM MDT Thu May 22 2025 .TODAY... Sky/weather.........Partly cloudy (35-45 percent). Chance of thunder...0 percent. Max temperature.....67-72. Min humidity........25-30 percent. 20-foot winds....... Lower elevation......Southeast winds 10 to 20 mph. Ridge............Southeast winds 10 to 20 mph. CWR (> 0.10 inch)...Less than 10 percent. .TONIGHT... Sky/weather.........Showers likely. Chance of thunder...0 percent. Min temperature.....43-48. Max humidity........84-89 percent. 20-foot winds....... Lower elevation......Southeast winds 10 to 20 mph. Ridge............Southeast winds 10 to 20 mph. CWR (> 0.10 inch)...20 percent. .FRIDAY... Sky/weather.........A chance of showers in the morning, then showers likely in the afternoon. Chance of thunder...0 percent. Max temperature.....59-64. Min humidity........53-58 percent. 20-foot winds....... Lower elevation......Southeast winds 5 to 15 mph becoming upslope/upvalley 4-8 mph late in the afternoon. Ridge............South winds 5 to 15 mph becoming northwest in the late morning and early afternoon, then becoming north 10 to 15 mph late in the afternoon. CWR (> 0.10 inch)...10 percent. .Forecast days 3 through 7...... .SATURDAY...Partly cloudy. A chance of showers. Lows in the lower 40s. Highs in the mid 60s. Northeast winds 10 to 15 mph. .SUNDAY...Partly cloudy. A chance of showers. Lows in the mid 40s. Highs in the upper 60s. East winds 5 to 10 mph. .MEMORIAL DAY...Mostly clear. Lows in the mid 40s. Highs around 70. Southeast winds 5 to 15 mph. .TUESDAY...Mostly clear. Lows in the mid 40s. Highs in the mid 70s. .WEDNESDAY...Partly cloudy. A slight chance of showers. Lows in the upper 40s. Highs in the upper 70s. $$ MTZ120-222215- Fort Peck Reservation and Daniels/Roosevelt/Sheridan Counties- 326 AM MDT Thu May 22 2025 .TODAY... Sky/weather.........Partly cloudy (40-50 percent) then becoming sunny (20-30 percent). Patchy fog in the morning. Chance of thunder...0 percent. Max temperature.....61-66. Min humidity........44-49 percent. 20-foot winds.......Southeast winds 5 to 15 mph. CWR (> 0.10 inch)...Zero. .TONIGHT... Sky/weather.........Partly cloudy (35-45 percent) then becoming mostly cloudy (55-65 percent). A slight chance of showers after midnight. Chance of thunder...0 percent. Min temperature.....40-45. Max humidity........83-88 percent. 20-foot winds.......East winds 10 to 15 mph. CWR (> 0.10 inch)...Less than 10 percent. .FRIDAY... Sky/weather.........Mostly cloudy (80-90 percent). A chance of showers. Chance of thunder...0 percent. Max temperature.....52-57. Min humidity........70-75 percent. 20-foot winds.......East winds 15 to 25 mph. CWR (> 0.10 inch)...40 percent. .Forecast days 3 through 7...... .SATURDAY...Mostly cloudy. A chance of showers. Lows in the lower 40s. Highs in the upper 50s. Southeast winds 10 to 20 mph. .SUNDAY...Mostly cloudy. A chance of showers. Lows in the lower 40s. Highs in the lower 60s. Southeast winds 5 to 15 mph. .MEMORIAL DAY...Partly cloudy. Lows in the lower 40s. Highs in the mid 60s. Southeast winds 10 to 20 mph. .TUESDAY...Mostly clear. Lows in the lower 40s. Highs in the upper 60s. .WEDNESDAY...Mostly clear. Lows in the mid 40s. Highs in the lower 70s. $$ MTZ122-222215- Dawson/McCone/Prairie/Richland/Wibaux Counties- 326 AM MDT Thu May 22 2025 .TODAY... Sky/weather.........Partly cloudy (30-40 percent) then becoming sunny (15-25 percent). Patchy fog in the morning. Chance of thunder...0 percent. Max temperature.....64-69. Min humidity........38-43 percent. 20-foot winds.......East winds 10 to 15 mph. CWR (> 0.10 inch)...Zero. .TONIGHT... Sky/weather.........Partly cloudy (45-55 percent) then becoming mostly cloudy (60-70 percent). A slight chance of showers in the evening, then a chance of showers after midnight. Chance of thunder...0 percent. Min temperature.....43-48. Max humidity........84-89 percent. 20-foot winds.......East winds 10 to 20 mph. CWR (> 0.10 inch)...40 percent. .FRIDAY... Sky/weather.........A chance of showers in the morning, then showers likely in the afternoon. Chance of thunder...0 percent. Max temperature.....54-59. Min humidity........69-74 percent. 20-foot winds.......East winds 10 to 20 mph. CWR (> 0.10 inch)...30 percent. .Forecast days 3 through 7...... .SATURDAY...Mostly cloudy. A chance of showers. Patchy fog. Lows in the lower 40s. Highs in the lower 60s. East winds 10 to 20 mph. .SUNDAY...Mostly cloudy. A chance of showers. Lows in the mid 40s. Highs in the lower 60s. Southeast winds 5 to 15 mph. .MEMORIAL DAY...Partly cloudy. A slight chance of showers. Lows in the mid 40s. Highs in the mid 60s. Southeast winds 5 to 15 mph. .TUESDAY...Mostly clear. Lows in the mid 40s. Highs around 70. .WEDNESDAY...Mostly clear. A slight chance of showers. Lows in the mid 40s. Highs in the mid 70s. $$ weather.gov/glasgow