


Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
046 FNUS55 KTFX 242100 FWFTFX Fire Weather Planning Forecast for North-Central Montana National Weather Service Great Falls MT 300 PM MDT Sun Aug 24 2025 .DISCUSSION... Temperatures will warm up through Tuesday before cooling back down Wednesday through Friday. There will be a chance for showers and thunderstorms starting on Tuesday and lasting through at least Friday. Tuesday is expected to produce more of a mix of wet and dry thunderstorms where brief heavy downpours are possible but the larger threat will be gusty outflow winds. Wednesday through Friday, thunderstorms are expected to trend on the wetter side and may become a concern for heavy rainfall along the southern districts. MTZ112-251100- Eastern Glacier/Toole/Central/Eastern Pondera/Liberty- 300 PM MDT Sun Aug 24 2025 .TONIGHT... * Sky/Weather...........Mostly clear. * Chance Lightning.......0 percent. * Min Temperature.......47-53. 24 hr trend......4 degrees up. * Max Humidity..........63-73 percent...52-62 percent higher elevations. 24 hr trend......6 percent down...19 percent down higher elevations. * Wind (20 FT). Lower Elevations...Southeast winds 10 to 15 mph. Ridges.............Southeast winds 10 to 15 mph. * Mixing Height.........4500-5500 ft agl decreasing to 500-1000 ft agl early in the evening. * Transport Winds.......Southeast 15 to 20 mph. * CWR...................0 percent. .MONDAY... * Sky/Weather...........Sunny. * Chance Lightning.......0 percent. * Max Temperature.......81-86...74-79 higher elevations. 24 hr trend......4 degrees up. * Min Humidity..........19-24 percent. 24 hr trend......6 percent down. * Wind (20 FT). Lower Elevations...Southeast winds 10 to 15 mph. Ridges.............Southeast winds 10 to 15 mph. * Mixing Height.........500-2000 ft agl increasing to 5000-6500 ft agl. * Transport Winds.......Southeast 15 to 20 mph. * CWR...................0 percent. .MONDAY NIGHT... * Sky/Weather...........Partly cloudy. * Chance Lightning.......0 percent. * Min Temperature.......51-56. 24 hr trend......1 degree up. * Max Humidity..........52-62 percent...41-49 percent higher elevations. 24 hr trend......11 percent down. * Wind (20 FT). Lower Elevations...Southeast winds 10 to 15 mph. Ridges.............Southeast winds 10 to 15 mph. * Mixing Height.........4500-6000 ft agl decreasing to 0-500 ft agl. * Transport Winds.......Southeast 15 to 20 mph. * CWR...................0 percent. .TUESDAY... * Sky/Weather...........Mostly sunny. * Chance Lightning.......0 percent. * Max Temperature.......81-86...74-80 higher elevations. 24 hr trend......1 degree up. * Min Humidity..........17-22 percent. 24 hr trend......1 percent down. * Wind (20 FT). Lower Elevations...Southeast winds 10 to 15 mph. Ridges.............Southeast winds 10 to 15 mph. * Mixing Height.........500-2000 ft agl increasing to 5500-6500 ft agl. * Transport Winds.......Southeast 15 to 20 mph. * CWR...................0 percent. .FORECAST DAYS 3 THROUGH 7...... .WEDNESDAY...Partly cloudy. Lows in the lower 50s. Highs in the lower 80s. East winds 15 to 20 mph. .THURSDAY...Mostly cloudy with slight chance of showers and thunderstorms. Lows in the mid 50s. Highs in the mid 70s. Southeast winds 15 to 20 mph. .FRIDAY...Mostly cloudy. Slight chance of showers and thunderstorms. Lows in the mid 50s. Highs in the upper 70s. West winds 10 to 15 mph. .SATURDAY...Partly cloudy. Slight chance of showers. Lows in the lower 50s. Highs in the lower 80s. .SUNDAY...Partly cloudy. Lows in the lower 50s. Highs in the lower 80s. $$ MTZ113-251100- Hill and Blaine Counties- 300 PM MDT Sun Aug 24 2025 .TONIGHT... * Sky/Weather...........Mostly clear. * Chance Lightning.......0 percent. * Min Temperature.......47-53. 24 hr trend......1 degree down. * Max Humidity..........65-75 percent. 24 hr trend......5 percent down...12 percent down higher elevations. * Wind (20 FT). Lower Elevations...East winds 10 to 15 mph. Ridges.............Southeast winds 10 to 15 mph. * Mixing Height.........4500-5500 ft agl decreasing to BELOW 1000 ft agl early in the evening. * Transport Winds.......Southeast 15 to 20 mph. * CWR...................0 percent. .MONDAY... * Sky/Weather...........Sunny. * Chance Lightning.......0 percent. * Max Temperature.......79-84...72-77 higher elevations. 24 hr trend......4 degrees up. * Min Humidity..........24-31 percent. 24 hr trend......4 percent down. * Wind (20 FT). Lower Elevations...Southeast winds 10 to 15 mph. Ridges.............Southeast winds 5 to 10 mph. * Mixing Height.........500-2000 ft agl increasing to 5500-6500 ft agl. * Transport Winds.......Southeast 10 to 15 mph. * CWR...................0 percent. .MONDAY NIGHT... * Sky/Weather...........Mostly clear. * Chance Lightning.......0 percent. * Min Temperature.......48-55. 24 hr trend......4 degrees up. * Max Humidity..........57-67 percent...49-57 percent higher elevations. 24 hr trend......8 percent down...13 percent down higher elevations. * Wind (20 FT). Lower Elevations...Southeast winds 10 to 15 mph. Ridges.............Southeast winds 10 to 15 mph. * Mixing Height.........4500-6000 ft agl decreasing to 0-500 ft agl. * Transport Winds.......Southeast 20 to 25 mph. * CWR...................0 percent. .TUESDAY... * Sky/Weather...........Mostly sunny. * Chance Lightning.......0 percent. * Max Temperature.......81-86...73-78 higher elevations. 24 hr trend......3 degrees up. * Min Humidity..........21-27 percent. 24 hr trend......1 percent up. * Wind (20 FT). Lower Elevations...Southeast winds 10 to 15 mph. Ridges.............Southeast winds 10 to 15 mph. * Mixing Height.........500-2000 ft agl increasing to 5500-6000 ft agl. * Transport Winds.......Southeast 15 to 20 mph. * CWR...................0 percent. .FORECAST DAYS 3 THROUGH 7...... .WEDNESDAY...Partly cloudy. Lows in the lower 50s. Highs in the mid 80s. East winds 10 to 15 mph. .THURSDAY...Mostly cloudy. Lows in the mid 50s. Highs in the upper 70s. Southeast winds 10 to 15 mph. .FRIDAY...Mostly cloudy. Chance of showers and slight chance of thunderstorms. Lows in the mid 50s. Highs in the upper 70s. East winds 10 to 15 mph. .SATURDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows in the mid 50s. Highs in the lower 80s. .SUNDAY...Mostly clear. Lows in the mid 50s. Highs in the lower 80s. $$ MTZ114-251100- Lewis and Clark National Forest Rocky Mountain District- Rocky Mountain Front- 300 PM MDT Sun Aug 24 2025 .TONIGHT... * Sky/Weather...........Mostly clear. * Chance Lightning.......0 percent. * Min Temperature.......47-54. 24 hr trend......7 degrees up. * Max Humidity..........63-73 percent...52-62 percent higher elevations. 24 hr trend......22 percent down...17 percent down higher elevations. * Wind (20 FT). Lower Elevations...East winds 10 to 15 mph shifting to the northwest after midnight. Ridges.............Southeast winds 10 to 15 mph. * Mixing Height.........5000-6000 ft agl decreasing to 1000-1500 ft agl early in the evening. * Transport Winds.......East 15 to 20 mph. * CWR...................0 percent. .MONDAY... * Sky/Weather...........Mostly sunny. * Chance Lightning.......0 percent. * Max Temperature.......81-86...68-78 higher elevations. 24 hr trend......2 degrees up. * Min Humidity..........17-26 percent. 24 hr trend......7 percent down. * Wind (20 FT). Lower Elevations...East winds 10 to 15 mph. Ridges.............Southeast winds 10 to 15 mph shifting to the east in the afternoon. * Mixing Height.........1000-2500 ft agl increasing to 7500 ft agl. * Transport Winds.......East 10 to 15 mph. * CWR...................0 percent. .MONDAY NIGHT... * Sky/Weather...........Partly cloudy then becoming mostly cloudy. * Chance Lightning.......0 percent. * Min Temperature.......50-56. 24 hr trend......2 degrees up. * Max Humidity..........50-60 percent...42-50 percent higher elevations. 24 hr trend......13 percent down. * Wind (20 FT). Lower Elevations...East winds 10 to 15 mph shifting to the northwest after midnight. Ridges.............Southeast winds 10 to 15 mph. * Mixing Height.........5000-6500 ft agl decreasing to 500-1000 ft agl. * Transport Winds.......East 15 to 20 mph. * CWR...................0 percent. .TUESDAY... * Sky/Weather...........Partly sunny. * Chance Lightning.......0 percent. * Max Temperature.......80-85...67-77 higher elevations. 24 hr trend......1 degree up. * Min Humidity..........18-26 percent. 24 hr trend......Unchanged. * Wind (20 FT). Lower Elevations...West winds around 5 mph shifting to the east in the afternoon. Ridges.............South winds around 5 mph shifting to the east in the afternoon. * Mixing Height.........1000-2000 ft agl increasing to 6500-8000 ft agl. * Transport Winds.......Southeast 10 to 15 mph. * CWR...................0 percent. .FORECAST DAYS 3 THROUGH 7...... .WEDNESDAY...Mostly cloudy. Lows in the lower 50s. Highs in the upper 70s. Northeast winds 15 to 20 mph. .THURSDAY...Mostly cloudy with chance of showers and thunderstorms. Lows in the mid 50s. Highs in the lower 70s. South winds 15 to 20 mph. .FRIDAY...Mostly cloudy. Chance of showers and slight chance of thunderstorms. Lows in the lower 50s. Highs in the mid 70s. West winds 10 to 15 mph. .SATURDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows in the lower 50s. Highs in the upper 70s. .SUNDAY...Partly cloudy. Lows in the lower 50s. Highs in the upper 70s. $$ MTZ115-251100- Chouteau and Fergus Counties- 300 PM MDT Sun Aug 24 2025 .TONIGHT... * Sky/Weather...........Mostly clear. * Chance Lightning.......0 percent. * Min Temperature.......49-54. 24 hr trend......1 degree up. * Max Humidity..........62-72 percent. 24 hr trend......6 percent down. * Wind (20 FT). Lower Elevations...Southeast winds 10 to 15 mph. Ridges.............Southeast winds 10 to 15 mph. * Mixing Height.........4500-6000 ft agl decreasing to 500-1000 ft agl early in the evening. * Transport Winds.......Southeast 20 to 25 mph. * CWR...................0 percent. .MONDAY... * Sky/Weather...........Sunny. * Chance Lightning.......0 percent. * Max Temperature.......79-86...71-77 higher elevations. 24 hr trend......2 degrees up. * Min Humidity..........21-28 percent. 24 hr trend......4 percent down. * Wind (20 FT). Lower Elevations...East winds 10 to 15 mph. Ridges.............East winds 10 to 15 mph. * Mixing Height.........500-2000 ft agl increasing to 6000-7500 ft agl. * Transport Winds.......Southeast 15 to 20 mph. * CWR...................0 percent. .MONDAY NIGHT... * Sky/Weather...........Partly cloudy. * Chance Lightning.......0 percent. * Min Temperature.......51-56. 24 hr trend......2 degrees up. * Max Humidity..........52-62 percent. 24 hr trend......7 percent down...16 percent down higher elevations. * Wind (20 FT). Lower Elevations...Southeast winds 10 to 15 mph. Ridges.............Southeast winds 10 to 15 mph. * Mixing Height.........6500 ft agl decreasing to BELOW 1000 ft agl. * Transport Winds.......Southeast 20 to 25 mph. * CWR...................0 percent. .TUESDAY... * Sky/Weather...........Mostly sunny. * Chance Lightning.......0 percent. * Max Temperature.......80-86...72-78 higher elevations. 24 hr trend......1 degree up. * Min Humidity..........20-25 percent. 24 hr trend......2 percent down. * Wind (20 FT). Lower Elevations...Southeast winds 10 to 15 mph. Ridges.............Southeast winds 10 to 15 mph. * Mixing Height.........500-2000 ft agl increasing to 5500-7000 ft agl. * Transport Winds.......Southeast 15 to 20 mph. * CWR...................0 percent. .FORECAST DAYS 3 THROUGH 7...... .WEDNESDAY...Partly cloudy. Lows in the mid 50s. Highs in the lower 80s. East winds 15 to 20 mph. .THURSDAY...Mostly cloudy with slight chance of showers and thunderstorms. Lows in the upper 50s. Highs in the upper 70s. Southeast winds 15 to 20 mph. .FRIDAY...Mostly cloudy. Chance of showers and slight chance of thunderstorms. Lows in the mid 50s. Highs in the upper 70s. Southwest winds 10 to 15 mph. .SATURDAY...Partly cloudy. Slight chance of showers. Lows in the mid 50s. Highs in the lower 80s. .SUNDAY...Mostly clear. Lows in the mid 50s. Highs in the lower 80s. $$ MTZ116-118-251100- Lincoln Ranger District of the Helena National Forest- Helena and Townsend Ranger Districts of the Helena National Forest- 300 PM MDT Sun Aug 24 2025 .TONIGHT... * Sky/Weather...........Partly cloudy. * Chance Lightning.......0 percent. * Min Temperature.......48-55. 24 hr trend......2 degrees up. * Max Humidity..........57-67 percent. 24 hr trend......3 percent down...16 percent down higher elevations. * Wind (20 FT). Lower Elevations...Northeast winds 10 to 15 mph. Ridges.............Northeast winds 10 to 15 mph shifting to the east after midnight. * Mixing Height.........7500 ft agl decreasing to 1000-1500 ft agl. * Transport Winds.......East 20 to 25 mph. * CWR...................0 percent. .MONDAY... * Sky/Weather...........Mostly sunny. * Chance Lightning.......0 percent. * Max Temperature.......79-87...70-79 higher elevations. 24 hr trend......1 degree down. * Min Humidity..........17-24 percent. 24 hr trend......5 percent down. * Wind (20 FT). Lower Elevations...East winds 10 to 15 mph. Ridges.............East winds 10 to 15 mph. * Mixing Height.........1000-2500 ft agl increasing to 8000-8500 ft agl. * Transport Winds.......East 15 to 20 mph. * CWR...................0 percent. .MONDAY NIGHT... * Sky/Weather...........Partly cloudy then becoming mostly cloudy. * Chance Lightning.......0 percent. * Min Temperature.......51-57. 24 hr trend......2 degrees up. * Max Humidity..........45-55 percent. 24 hr trend......11 percent down. * Wind (20 FT). Lower Elevations...East winds 15 to 20 mph. Ridges.............East winds 10 to 15 mph. * Mixing Height.........7500 ft agl decreasing to 500-1000 ft agl. * Transport Winds.......East 20 to 25 mph. * CWR...................0 percent. .TUESDAY... * Sky/Weather...........Partly sunny. Slight chance of showers in the afternoon. * Chance Lightning.......0 percent. * Max Temperature.......78-85...69-78 higher elevations. 24 hr trend......1 degree down. * Min Humidity..........22-32 percent. 24 hr trend......6 percent up. * Wind (20 FT). Lower Elevations...East winds 10 to 15 mph. Ridges.............East winds 10 to 15 mph. * Mixing Height.........1000-2000 ft agl increasing to 8500 ft agl. * Transport Winds.......Southeast 15 to 20 mph. * CWR...................0 percent. .FORECAST DAYS 3 THROUGH 7...... .WEDNESDAY...Mostly cloudy with chance of showers and thunderstorms. Lows in the mid 50s. Highs in the lower 70s. East winds 15 to 20 mph. .THURSDAY...Mostly cloudy with showers likely and chance of thunderstorms. Lows in the mid 50s. Highs around 70. South winds 10 to 15 mph. .FRIDAY...Mostly cloudy. Chance of showers and slight chance of thunderstorms. Lows in the lower 50s. Highs in the lower 70s. Southwest winds 10 to 15 mph. .SATURDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows in the lower 50s. Highs in the mid 70s. .SUNDAY...Mostly clear. Slight chance of showers and thunderstorms. Lows in the lower 50s. Highs in the upper 70s. $$ MTZ117-251100- Central and Eastern Lewis and Clark National Forest Areas- 300 PM MDT Sun Aug 24 2025 .TONIGHT... * Sky/Weather...........Partly cloudy. * Chance Lightning.......0 percent. * Min Temperature.......45-54. 24 hr trend......1 degree up. * Max Humidity..........63-73 percent...54-64 percent higher elevations. 24 hr trend......23 percent down. * Wind (20 FT). Lower Elevations...East winds 10 to 15 mph shifting to the southeast after midnight. Ridges.............East winds 10 to 15 mph shifting to the south after midnight. * Mixing Height.........6500 ft agl decreasing to 1000 ft agl. * Transport Winds.......Southeast 15 to 20 mph. * CWR...................0 percent. .MONDAY... * Sky/Weather...........Mostly sunny. * Chance Lightning.......0 percent. * Max Temperature.......79-87...69-78 higher elevations. 24 hr trend......7 degrees up...2 degrees up higher elevations. * Min Humidity..........18-27 percent. 24 hr trend......4 percent down. * Wind (20 FT). Lower Elevations...Southeast winds 10 to 15 mph shifting to the east in the afternoon. Ridges.............Southeast winds 10 to 15 mph. * Mixing Height.........1000-2500 ft agl increasing to 6000-7500 ft agl. * Transport Winds.......Southeast 15 to 20 mph. * CWR...................0 percent. .MONDAY NIGHT... * Sky/Weather...........Partly cloudy. * Chance Lightning.......0 percent. * Min Temperature.......47-56. 24 hr trend......1 degree up. * Max Humidity..........48-58 percent. 24 hr trend......9 percent down. * Wind (20 FT). Lower Elevations...Southeast winds 10 to 15 mph. Ridges.............Southeast winds 10 to 15 mph. * Mixing Height.........5000-6500 ft agl decreasing to 500-1000 ft agl. * Transport Winds.......Southeast 20 to 25 mph. * CWR...................0 percent. .TUESDAY... * Sky/Weather...........Mostly sunny. * Chance Lightning.......0 percent. * Max Temperature.......78-87...69-78 higher elevations. 24 hr trend......4 degrees down...1 degree up higher elevations. * Min Humidity..........18-27 percent. 24 hr trend......2 percent down. * Wind (20 FT). Lower Elevations...South winds 10 to 15 mph shifting to the east in the afternoon. Ridges.............Southeast winds 10 to 15 mph. * Mixing Height.........1000-2000 ft agl increasing to 8000 ft agl. * Transport Winds.......Southeast 15 to 20 mph. * CWR...................0 percent. .FORECAST DAYS 3 THROUGH 7...... .WEDNESDAY...Mostly cloudy. Lows in the lower 50s. Highs in the mid 70s. East winds 15 to 20 mph. .THURSDAY...Mostly cloudy with chance of showers and thunderstorms. Lows in the mid 50s. Highs in the lower 70s. Southeast winds 15 to 20 mph. .FRIDAY...Mostly cloudy. Chance of showers and slight chance of thunderstorms. Lows in the lower 50s. Highs in the lower 70s. Southwest winds 10 to 15 mph. .SATURDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows in the lower 50s. Highs in the upper 70s. .SUNDAY...Mostly clear. Slight chance of showers and thunderstorms. Lows in the lower 50s. Highs in the upper 70s. $$ weather.gov/greatfalls