


Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
675 FNUS55 KTFX 092242 FWFTFX Fire Weather Planning Forecast for North-Central Montana National Weather Service Great Falls MT 442 PM MDT Sat Aug 9 2025 Updated forecast for tonight .DISCUSSION... Scattered showers/isolated thunderstorms will affect the districts through early this evening. Rainfall amounts will generally be less than 0.10 inches. Smoke reduces visibility in the Havre/Harlem areas overnight. It turns drier and warmer over the next few days, with Tue/Wed looking to be the warmest days, along with lower humidity. Showers/thunderstorms return by Thursday. Brusda MTZ112-101100- Eastern Glacier/Toole/Central/Eastern Pondera/Liberty- 442 PM MDT Sat Aug 9 2025 .REST OF TONIGHT... * Sky/Weather...........Mostly cloudy. Chance of showers early in the evening, then slight chance of showers in the evening. * Chance Lightning.......0 percent. * Min Temperature.......50-55. 24 hr trend......1 degree down. * Max Humidity..........70-80 percent. 24 hr trend......19 percent down...9 percent down higher elevations. * Wind (20 FT). Lower Elevations...Northwest winds 10 to 15 mph shifting to the southwest after midnight. Ridges.............Northwest winds 10 to 15 mph shifting to the southwest after midnight. * Mixing Height.........7500-8500 ft agl decreasing to 500-2000 ft agl. * Transport Winds.......Northwest 20 to 25 mph shifting to the southwest after midnight. * CWR...................0 percent. .SUNDAY... * Sky/Weather...........Mostly sunny. * Chance Lightning.......0 percent. * Max Temperature.......77-83...69-74 higher elevations. 24 hr trend......7 degrees up. * Min Humidity..........33-42 percent. 24 hr trend......12 percent down...5 percent down higher elevations. * Wind (20 FT). Lower Elevations...Northwest winds 10 to 15 mph. Ridges.............Northwest winds 10 to 15 mph. * Mixing Height.........500-2000 ft agl increasing to 8000-8500 ft agl. * Transport Winds.......Northwest 20 to 25 mph. * CWR...................0 percent. .SUNDAY NIGHT... * Sky/Weather...........Mostly clear. * Chance Lightning.......0 percent. * Min Temperature.......54-59. 24 hr trend......5 degrees up. * Max Humidity..........69-79 percent. 24 hr trend......6 percent down...2 percent up higher elevations. * Wind (20 FT). Lower Elevations...West winds 15 to 20 mph. Ridges.............West winds 15 to 20 mph. * Mixing Height.........6000-7500 ft agl decreasing to 500-2000 ft agl early in the evening. * Transport Winds.......West 20 to 25 mph. * CWR...................0 percent. .MONDAY... * Sky/Weather...........Mostly sunny. * Chance Lightning.......0 percent. * Max Temperature.......73-81...67-72 higher elevations. 24 hr trend......7 degrees down. * Min Humidity..........41-51 percent. 24 hr trend......9 percent up. * Wind (20 FT). Lower Elevations...North winds 10 to 15 mph. Ridges.............North winds 10 to 15 mph. * Mixing Height.........500-1500 ft agl increasing to 6500 ft agl. * Transport Winds.......North 20 to 25 mph. * CWR...................0 percent. .FORECAST DAYS 3 THROUGH 7...... .TUESDAY...Mostly clear. Lows in the mid 50s. Highs in the mid 80s. Southeast winds 15 to 20 mph. .WEDNESDAY...Mostly clear. Lows in the upper 50s. Highs in the lower 80s. West winds 15 to 20 mph. .THURSDAY...Cooler. Partly cloudy. Slight chance of showers and thunderstorms. Lows in the lower 50s. Highs in the upper 60s. Northwest winds 15 to 20 mph. .FRIDAY...Mostly cloudy. Slight chance of showers. Lows in the upper 40s. Highs in the lower 70s. .SATURDAY...Partly cloudy. Slight chance of showers. Lows around 50. Highs in the mid 70s. $$ MTZ113-101100- Hill and Blaine Counties- 442 PM MDT Sat Aug 9 2025 .REST OF TONIGHT... * Sky/Weather...........Partly cloudy. Chance of showers and slight chance of thunderstorms early in the evening. Slight chance of showers in the evening. Haze and areas of smoke through the night. * Chance Lightning.......20 percent. * Min Temperature.......50-55. 24 hr trend......2 degrees down. * Max Humidity..........85-95 percent. 24 hr trend......Unchanged...19 percent down higher elevations. * Wind (20 FT). Lower Elevations...Northwest winds 15 to 20 mph shifting to the southwest 10 to 15 mph after midnight. Ridges.............Northwest winds 15 to 20 mph becoming west around 5 mph after midnight. * Mixing Height.........5000-6000 ft agl decreasing to 500-1000 ft agl. * Transport Winds.......Northwest 25 to 30 mph becoming southwest 15 to 20 mph after midnight. * CWR...................0 percent. .SUNDAY... * Sky/Weather...........Mostly sunny. Haze in the morning. * Chance Lightning.......0 percent. * Max Temperature.......77-83...70-75 higher elevations. 24 hr trend......9 degrees up. * Min Humidity..........37-47 percent. 24 hr trend......31 percent down. * Wind (20 FT). Lower Elevations...West winds 5 to 10 mph. Ridges.............West winds 5 to 10 mph. * Mixing Height.........500-2000 ft agl increasing to 7000-8000 ft agl. * Transport Winds.......West 15 to 20 mph. * CWR...................0 percent. .SUNDAY NIGHT... * Sky/Weather...........Partly cloudy. Slight chance of showers after midnight. * Chance Lightning.......0 percent. * Min Temperature.......54-59. 24 hr trend......3 degrees up. * Max Humidity..........77-87 percent...67-76 percent higher elevations. 24 hr trend......6 percent down...13 percent down higher elevations. * Wind (20 FT). Lower Elevations...West winds 5 to 10 mph. Ridges.............West winds 5 to 10 mph. * Mixing Height.........6000-7500 ft agl decreasing to 500-1500 ft agl early in the evening. * Transport Winds.......Northwest 15 to 20 mph. * CWR...................0 percent. .MONDAY... * Sky/Weather...........Mostly sunny. * Chance Lightning.......0 percent. * Max Temperature.......76-81...69-74 higher elevations. 24 hr trend......2 degrees down. * Min Humidity..........41-51 percent. 24 hr trend......4 percent up. * Wind (20 FT). Lower Elevations...Northwest winds 10 to 15 mph. Ridges.............Northwest winds 10 to 15 mph. * Mixing Height.........500-1500 ft agl increasing to 5500-7000 ft agl. * Transport Winds.......Northwest 20 to 25 mph. * CWR...................0 percent. .FORECAST DAYS 3 THROUGH 7...... .TUESDAY...Mostly clear. Lows in the mid 50s. Highs in the mid 80s. East winds 10 to 15 mph. .WEDNESDAY...Mostly clear. Slight chance of showers and thunderstorms. Lows in the upper 50s. Highs in the mid 80s. South winds 10 to 15 mph. .THURSDAY...Not as warm. Partly cloudy. Slight chance of showers and thunderstorms. Lows in the mid 50s. Highs in the mid 70s. North winds 10 to 15 mph. .FRIDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows around 50. Highs in the mid 70s. .SATURDAY...Partly cloudy. Chance of showers. Lows in the lower 50s. Highs in the upper 70s. $$ MTZ114-101100- Lewis and Clark National Forest Rocky Mountain District- Rocky Mountain Front- 442 PM MDT Sat Aug 9 2025 .REST OF TONIGHT... * Sky/Weather...........Mostly cloudy then becoming partly cloudy. Chance of showers and slight chance of thunderstorms early in the evening. * Chance Lightning.......20 percent. * Min Temperature.......46-54. 24 hr trend......1 degree up. * Max Humidity..........63-73 percent. 24 hr trend......7 percent down...26 percent down higher elevations. * Wind (20 FT). Lower Elevations...Northwest winds 10 to 15 mph shifting to the southwest after midnight. Ridges.............West winds 10 to 15 mph. * Mixing Height.........6500-8000 ft agl decreasing to 1000-2500 ft agl. * Transport Winds.......West 15 to 20 mph. * CWR...................0 percent. .SUNDAY... * Sky/Weather...........Mostly sunny. * Chance Lightning.......0 percent. * Max Temperature.......77-83...64-74 higher elevations. 24 hr trend......7 degrees up. * Min Humidity..........29-35 percent...36-46 percent higher elevations. 24 hr trend......9 percent down. * Wind (20 FT). Lower Elevations...Northwest winds 10 to 15 mph. Ridges.............Northwest winds 10 to 15 mph. * Mixing Height.........1000-2000 ft agl increasing to 8000-8500 ft agl. * Transport Winds.......West 20 to 25 mph. * CWR...................0 percent. .SUNDAY NIGHT... * Sky/Weather...........Mostly clear. * Chance Lightning.......0 percent. * Min Temperature.......51-58. 24 hr trend......5 degrees up. * Max Humidity..........62-72 percent. 24 hr trend......2 percent up. * Wind (20 FT). Lower Elevations...West winds 15 to 20 mph. Ridges.............West winds 15 to 20 mph. * Mixing Height.........7500 ft agl decreasing to 1000-2500 ft agl. * Transport Winds.......West 20 to 25 mph. * CWR...................0 percent. .MONDAY... * Sky/Weather...........Mostly sunny. * Chance Lightning.......0 percent. * Max Temperature.......77-83...66-76 higher elevations. 24 hr trend......Unchanged. * Min Humidity..........35-45 percent. 24 hr trend......5 percent up. * Wind (20 FT). Lower Elevations...Northwest winds 10 to 15 mph shifting to the northeast in the afternoon. Ridges.............Northwest winds 10 to 15 mph. * Mixing Height.........1000-2000 ft agl increasing to 6500-7000 ft agl. * Transport Winds.......Northwest 15 to 20 mph. * CWR...................0 percent. .FORECAST DAYS 3 THROUGH 7...... .TUESDAY...Mostly clear. Lows in the mid 50s. Highs in the mid 80s. South winds 15 to 20 mph. .WEDNESDAY...Mostly clear. Lows in the mid 50s. Highs in the lower 80s. Southwest winds 20 to 25 mph. .THURSDAY...Not as warm. Partly cloudy. Lows in the lower 50s. Highs in the lower 70s. Northwest winds 15 to 20 mph. .FRIDAY...Partly cloudy. Slight chance of showers. Lows in the upper 40s. Highs in the lower 70s. .SATURDAY...Partly cloudy. Slight chance of showers. Lows in the upper 40s. Highs in the mid 70s. $$ MTZ115-101100- Chouteau and Fergus Counties- 442 PM MDT Sat Aug 9 2025 .REST OF TONIGHT... * Sky/Weather...........Partly cloudy. Chance of showers and slight chance of thunderstorms early in the evening, then slight chance of showers in the evening. * Chance Lightning.......20 percent. * Min Temperature.......51-56. 24 hr trend......1 degree down. * Max Humidity..........74-84 percent. 24 hr trend......11 percent down...1 percent down higher elevations. * Wind (20 FT). Lower Elevations...Northwest winds 15 to 20 mph shifting to the southwest 10 to 15 mph after midnight. Ridges.............Northwest winds 15 to 20 mph shifting to the southwest after midnight. * Mixing Height.........7500-8500 ft agl decreasing to 500-2000 ft agl. * Transport Winds.......Northwest 25 to 30 mph becoming southwest 15 to 20 mph after midnight. * CWR...................0 percent. .SUNDAY... * Sky/Weather...........Mostly sunny. * Chance Lightning.......0 percent. * Max Temperature.......78-84...69-75 higher elevations. 24 hr trend......9 degrees up. * Min Humidity..........30-37 percent. 24 hr trend......15 percent down. * Wind (20 FT). Lower Elevations...West winds 10 to 15 mph. Ridges.............West winds 10 to 15 mph. * Mixing Height.........500-1500 ft agl increasing to 8000-8500 ft agl. * Transport Winds.......West 20 to 25 mph. * CWR...................0 percent. .SUNDAY NIGHT... * Sky/Weather...........Partly cloudy. * Chance Lightning.......0 percent. * Min Temperature.......56-61. 24 hr trend......4 degrees up. * Max Humidity..........61-71 percent. 24 hr trend......11 percent down. * Wind (20 FT). Lower Elevations...Northwest winds 10 to 15 mph shifting to the southwest after midnight. Ridges.............West winds 10 to 15 mph shifting to the southwest after midnight. * Mixing Height.........7000-8000 ft agl decreasing to 500-1500 ft agl early in the evening. * Transport Winds.......West 20 to 25 mph. * CWR...................0 percent. .MONDAY... * Sky/Weather...........Sunny. * Chance Lightning.......0 percent. * Max Temperature.......79-84...70-77 higher elevations. 24 hr trend......1 degree down. * Min Humidity..........35-43 percent. 24 hr trend......4 percent up. * Wind (20 FT). Lower Elevations...West winds 10 to 15 mph shifting to the north in the afternoon. Ridges.............West winds 10 to 15 mph shifting to the northwest in the afternoon. * Mixing Height.........500-2000 ft agl increasing to 6000-7500 ft agl. * Transport Winds.......Northwest 20 to 25 mph. * CWR...................0 percent. .FORECAST DAYS 3 THROUGH 7...... .TUESDAY...Mostly clear. Lows in the upper 50s. Highs in the upper 80s. Southeast winds 10 to 15 mph. .WEDNESDAY...Mostly clear. Lows around 60. Highs in the upper 80s. Southwest winds 10 to 15 mph. .THURSDAY...Not as warm. Partly cloudy. Slight chance of showers. Lows in the mid 50s. Highs in the upper 70s. Northwest winds 15 to 20 mph. .FRIDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows in the lower 50s. Highs in the upper 70s. .SATURDAY...Partly cloudy. Chance of showers. Lows in the lower 50s. Highs in the upper 70s. $$ MTZ116-118-101100- Lincoln Ranger District of the Helena National Forest- Helena and Townsend Ranger Districts of the Helena National Forest- 442 PM MDT Sat Aug 9 2025 .REST OF TONIGHT... * Sky/Weather...........Partly cloudy. * Chance Lightning.......0 percent. * Min Temperature.......46-53. 24 hr trend......7 degrees up. * Max Humidity..........62-72 percent. 24 hr trend......8 percent down...26 percent down higher elevations. * Wind (20 FT). Lower Elevations...Northwest winds 10 to 15 mph shifting to the southwest after midnight. Ridges.............Northwest winds 10 to 15 mph. * Mixing Height.........7500-9000 ft agl decreasing to 1000 ft agl. * Transport Winds.......West 15 to 20 mph. * CWR...................0 percent. .SUNDAY... * Sky/Weather...........Mostly sunny. * Chance Lightning.......0 percent. * Max Temperature.......74-82...65-74 higher elevations. 24 hr trend......4 degrees up. * Min Humidity..........28-38 percent. 24 hr trend......3 percent down. * Wind (20 FT). Lower Elevations...Southwest winds 10 to 15 mph shifting to the northwest in the afternoon. Ridges.............West winds 10 to 15 mph. * Mixing Height.........1000-2500 ft agl increasing to 8000-9000 ft agl. * Transport Winds.......West 20 to 25 mph. * CWR...................0 percent. .SUNDAY NIGHT... * Sky/Weather...........Mostly clear. * Chance Lightning.......0 percent. * Min Temperature.......51-58. 24 hr trend......5 degrees up. * Max Humidity..........60-70 percent. 24 hr trend......4 percent up. * Wind (20 FT). Lower Elevations...Northwest winds 10 to 15 mph shifting to the southwest after midnight. Ridges.............West winds 10 to 15 mph. * Mixing Height.........8000 ft agl decreasing to 1000-2000 ft agl. * Transport Winds.......Northwest 15 to 20 mph shifting to the southwest after midnight. * CWR...................0 percent. .MONDAY... * Sky/Weather...........Mostly sunny. * Chance Lightning.......0 percent. * Max Temperature.......79-87...69-78 higher elevations. 24 hr trend......6 degrees up. * Min Humidity..........26-36 percent. 24 hr trend......2 percent down. * Wind (20 FT). Lower Elevations...Southwest winds 10 to 15 mph shifting to the northwest in the afternoon. Ridges.............West winds 10 to 15 mph shifting to the northwest in the afternoon. * Mixing Height.........1000-2500 ft agl increasing to 8500-9000 ft agl. * Transport Winds.......Northwest 15 to 20 mph. * CWR...................0 percent. .FORECAST DAYS 3 THROUGH 7...... .TUESDAY...Mostly clear. Lows in the mid 50s. Highs in the mid 80s. Southwest winds 10 to 15 mph. .WEDNESDAY...Mostly clear. Lows in the mid 50s. Highs in the mid 80s. Southwest winds 15 to 20 mph. .THURSDAY...Mostly clear. Lows in the lower 50s. Highs in the upper 70s. West winds 15 to 20 mph. .FRIDAY...Partly cloudy. Slight chance of showers. Lows in the upper 40s. Highs in the mid 70s. .SATURDAY...Partly cloudy. Slight chance of showers. Lows around 50. Highs in the mid 70s. $$ MTZ117-101100- Central and Eastern Lewis and Clark National Forest Areas- 442 PM MDT Sat Aug 9 2025 .REST OF TONIGHT... * Sky/Weather...........Partly cloudy. Chance of showers and slight chance of thunderstorms early in the evening, then slight chance of showers in the evening. * Chance Lightning.......20 percent. * Min Temperature.......44-54. 24 hr trend......1 degree down. * Max Humidity..........66-76 percent. 24 hr trend......2 percent up...12 percent down higher elevations. * Wind (20 FT). Lower Elevations...Northwest winds 15 to 20 mph shifting to the southwest 10 to 15 mph after midnight. Ridges.............Northwest winds 10 to 15 mph. * Mixing Height.........6500-7500 ft agl decreasing to 1000-2000 ft agl. * Transport Winds.......Northwest 25 to 30 mph becoming southwest 15 to 20 mph after midnight. * CWR...................0 percent. .SUNDAY... * Sky/Weather...........Mostly sunny. * Chance Lightning.......0 percent. * Max Temperature.......74-84...64-74 higher elevations. 24 hr trend......7 degrees up. * Min Humidity..........29-39 percent. 24 hr trend......8 percent down. * Wind (20 FT). Lower Elevations...West winds 10 to 15 mph. Ridges.............West winds 10 to 15 mph. * Mixing Height.........1000-2500 ft agl increasing to 7500-8500 ft agl. * Transport Winds.......West 20 to 25 mph. * CWR...................0 percent. .SUNDAY NIGHT... * Sky/Weather...........Partly cloudy. * Chance Lightning.......0 percent. * Min Temperature.......49-59. 24 hr trend......5 degrees up. * Max Humidity..........59-69 percent. 24 hr trend......10 percent down. * Wind (20 FT). Lower Elevations...West winds 10 to 15 mph shifting to the southwest after midnight. Ridges.............West winds 10 to 15 mph. * Mixing Height.........7500 ft agl decreasing to 500-1500 ft agl. * Transport Winds.......West 20 to 25 mph. * CWR...................0 percent. .MONDAY... * Sky/Weather...........Mostly sunny. * Chance Lightning.......0 percent. * Max Temperature.......78-84...68-77 higher elevations. 24 hr trend......3 degrees up. * Min Humidity..........31-40 percent. 24 hr trend......3 percent up. * Wind (20 FT). Lower Elevations...West winds 10 to 15 mph shifting to the northwest in the afternoon. Ridges.............West winds 15 to 20 mph. * Mixing Height.........1000-2000 ft agl increasing to 7000-8000 ft agl. * Transport Winds.......Northwest 20 to 25 mph. * CWR...................0 percent. .FORECAST DAYS 3 THROUGH 7...... .TUESDAY...Mostly clear. Lows in the lower 50s. Highs in the mid 80s. South winds 10 to 15 mph. .WEDNESDAY...Mostly clear. Lows in the mid 50s. Highs in the lower 80s. Southwest winds 15 to 20 mph. .THURSDAY...Mostly clear. Slight chance of showers. Lows in the lower 50s. Highs in the mid 70s. Northwest winds 15 to 20 mph. .FRIDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows in the upper 40s. Highs in the mid 70s. .SATURDAY...Partly cloudy. Slight chance of showers. Lows around 50. Highs in the mid 70s. $$ weather.gov/greatfalls