


Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
823 FNUS55 KTFX 021933 FWFTFX Fire Weather Planning Forecast for North-Central Montana National Weather Service Great Falls MT 133 PM MDT Tue Sep 2 2025 .DISCUSSION... Mostly dry conditions are expected through Friday outside of a few isolated showers over higher terrain today. A weak frontal passage today will bring down smoke and haze from Canadian wildfires through Wednesday. Hot temperatures remain today and Wednesday before a cold front passage late Wednesday into Thursday cool temperatures down. The front will also bring gusty winds Thursday, most notably in FWZ 113. MTZ112-031045- Eastern Glacier/Toole/Central/Eastern Pondera/Liberty- 133 PM MDT Tue Sep 2 2025 .TONIGHT... * Sky/Weather...........Partly cloudy. Haze in the evening. Areas of smoke through the night. Patchy fog after midnight. * Chance Lightning.......0 percent. * Min Temperature.......48-53. 24 hr trend......1 degree down. * Max Humidity..........88-98 percent. 24 hr trend......23 percent up...7 percent up higher elevations. * Wind (20 FT). Lower Elevations...Northeast winds 10 to 15 mph shifting to the east after midnight. Ridges.............Northeast winds 10 to 15 mph shifting to the southeast after midnight. * Mixing Height.........3000-4000 ft agl decreasing to 500-1000 ft agl early in the evening. * Transport Winds.......Northeast 20 to 25 mph shifting to the east after midnight. * CWR...................0 percent. .WEDNESDAY... * Sky/Weather...........Mostly sunny. Areas of smoke in the morning. Haze through the day. * Chance Lightning.......0 percent. * Max Temperature.......82-87...75-83 higher elevations. 24 hr trend......3 degrees up. * Min Humidity..........24-34 percent. 24 hr trend......9 percent down...15 percent down higher elevations. * Wind (20 FT). Lower Elevations...Southeast winds 10 to 15 mph shifting to the southwest in the afternoon. Ridges.............Southwest winds 10 to 15 mph. * Mixing Height.........500-1500 ft agl increasing to 8000-9000 ft agl. * Transport Winds.......South 20 to 25 mph shifting to the northwest in the afternoon. * CWR...................0 percent. .WEDNESDAY NIGHT... * Sky/Weather...........Partly cloudy. Haze in the evening. Areas of smoke through the night. * Chance Lightning.......0 percent. * Min Temperature.......53-58. 24 hr trend......5 degrees up. * Max Humidity..........65-74 percent...73-83 percent higher elevations. 24 hr trend......32 percent down...27 percent down higher elevations. * Wind (20 FT). Lower Elevations...Northwest winds 10 to 15 mph. Ridges.............Northwest winds 10 to 15 mph. * Mixing Height.........7500 ft agl decreasing to 500-1000 ft agl. * Transport Winds.......Northwest 20 to 25 mph. * CWR...................0 percent. .THURSDAY... * Sky/Weather...........Mostly sunny. * Chance Lightning.......0 percent. * Max Temperature.......65-72...58-63 higher elevations. 24 hr trend......15 degrees down...20 degrees down higher elevations. * Min Humidity..........34-44 percent...43-53 percent higher elevations. 24 hr trend......8 percent up...30 percent up higher elevations. * Wind (20 FT). Lower Elevations...Windy. North winds around 25 mph decreasing to 15 to 20 mph in the afternoon. Ridges.............North winds 15 to 20 mph. * Mixing Height.........1000-2500 ft agl increasing to 5500-7000 ft agl. * Transport Winds.......North 25 to 30 mph. * CWR...................0 percent. .FORECAST DAYS 3 THROUGH 7...... .FRIDAY...Mostly clear. Lows in the lower 40s. Highs in the lower 70s. East winds 15 to 20 mph. .SATURDAY...Mostly clear. Lows in the mid 40s. Highs in the upper 70s. Southeast winds 10 to 15 mph. .SUNDAY...Partly cloudy. Slight chance of showers. Lows in the upper 40s. Highs around 80. South winds 10 to 15 mph. .MONDAY...Partly cloudy. Slight chance of showers. Lows in the lower 50s. Highs in the upper 70s. .TUESDAY...Mostly cloudy. Slight chance of showers. Lows in the lower 50s. Highs in the mid 70s. $$ MTZ113-031045- Hill and Blaine Counties- 133 PM MDT Tue Sep 2 2025 .TONIGHT... * Sky/Weather...........Partly cloudy. Areas of smoke in the evening. Haze through the night. * Chance Lightning.......0 percent. * Min Temperature.......45-52. 24 hr trend......6 degrees down. * Max Humidity..........85-95 percent. 24 hr trend......10 percent up...49 percent up higher elevations. * Wind (20 FT). Lower Elevations...Northeast winds 10 to 15 mph. Ridges.............Northeast winds 10 to 15 mph. * Mixing Height.........3000-4500 ft agl decreasing to 1000-1500 ft agl early in the evening. * Transport Winds.......Northeast 20 to 25 mph. * CWR...................0 percent. .WEDNESDAY... * Sky/Weather...........Mostly sunny. Areas of smoke in the morning. Haze through the day. * Chance Lightning.......0 percent. * Max Temperature.......73-81...70-75 higher elevations. 24 hr trend......7 degrees down. * Min Humidity..........38-48 percent. 24 hr trend......2 percent up...12 percent up higher elevations. * Wind (20 FT). Lower Elevations...Southeast winds around 5 mph. Ridges.............Southwest winds around 5 mph shifting to the west in the afternoon. * Mixing Height.........500-2000 ft agl increasing to 2500-4000 ft agl late in the morning. * Transport Winds.......Southeast 15 to 20 mph shifting to the southwest in the afternoon. * CWR...................0 percent. .WEDNESDAY NIGHT... * Sky/Weather...........Mostly cloudy then becoming partly cloudy. Haze through the night. * Chance Lightning.......0 percent. * Min Temperature.......53-59. 24 hr trend......7 degrees up. * Max Humidity..........71-81 percent. 24 hr trend......8 percent down...29 percent down higher elevations. * Wind (20 FT). Lower Elevations...South winds around 5 mph increasing to west 15 to 20 mph after midnight. Ridges.............West winds around 5 mph increasing to 15 to 20 mph after midnight. * Mixing Height.........4000 ft agl decreasing to 500-1500 ft agl. * Transport Winds.......Southwest 15 to 20 mph increasing to northwest around 30 mph after midnight. * CWR...................0 percent. .THURSDAY... * Sky/Weather...........Mostly sunny. * Chance Lightning.......0 percent. * Max Temperature.......66-71...59-64 higher elevations. 24 hr trend......7 degrees down. * Min Humidity..........30-38 percent. 24 hr trend......8 percent down. * Wind (20 FT). Lower Elevations...Windy. Northwest winds around 25 mph. Ridges.............Northwest winds 20 to 25 mph. * Mixing Height.........1000-2000 ft agl increasing to 5500-7000 ft agl. * Transport Winds.......North 30 to 35 mph. * CWR...................0 percent. .FORECAST DAYS 3 THROUGH 7...... .FRIDAY...Mostly clear. Lows in the upper 30s. Highs in the upper 60s. Northeast winds 20 to 25 mph. .SATURDAY...Mostly clear. Lows in the lower 40s. Highs in the mid 70s. East winds 10 to 15 mph. .SUNDAY...Partly cloudy. Lows in the mid 40s. Highs in the upper 70s. Southeast winds 10 to 15 mph. .MONDAY...Partly cloudy. Lows in the lower 50s. Highs in the upper 70s. .TUESDAY...Partly cloudy. Lows in the lower 50s. Highs in the upper 70s. $$ MTZ114-031045- Lewis and Clark National Forest Rocky Mountain District- Rocky Mountain Front- 133 PM MDT Tue Sep 2 2025 .TONIGHT... * Sky/Weather...........Partly cloudy. Haze and areas of smoke after midnight. * Chance Lightning.......0 percent. * Min Temperature.......50-55. 24 hr trend......6 degrees down. * Max Humidity..........83-93 percent...73-83 percent higher elevations. 24 hr trend......29 percent up...37 percent up higher elevations. * Wind (20 FT). Lower Elevations...North winds 5 to 10 mph. Ridges.............Northeast winds 10 to 15 mph shifting to the southwest after midnight. * Mixing Height.........6500 ft agl decreasing to 1000 ft agl. * Transport Winds.......Northeast 15 to 20 mph. * CWR...................0 percent. .WEDNESDAY... * Sky/Weather...........Sunny. Areas of smoke in the morning. Haze through the day. * Chance Lightning.......0 percent. * Max Temperature.......86-91...73-83 higher elevations. 24 hr trend......4 degrees up. * Min Humidity..........20-27 percent. 24 hr trend......5 percent down. * Wind (20 FT). Lower Elevations...South winds around 5 mph shifting to the north in the afternoon. Ridges.............West winds 10 to 15 mph. * Mixing Height.........1000-2000 ft agl increasing to 10000-10500 ft agl. * Transport Winds.......Southwest 20 to 25 mph shifting to the northwest in the afternoon. * CWR...................0 percent. .WEDNESDAY NIGHT... * Sky/Weather...........Partly cloudy. Haze and areas of smoke through the night. * Chance Lightning.......0 percent. * Min Temperature.......50-57. 24 hr trend......5 degrees up...1 degree down higher elevations. * Max Humidity..........61-71 percent. 24 hr trend......33 percent down...10 percent down higher elevations. * Wind (20 FT). Lower Elevations...West winds 10 to 15 mph. Ridges.............West winds 10 to 15 mph. * Mixing Height.........8500 ft agl decreasing to 1000 ft agl. * Transport Winds.......Northwest 20 to 25 mph. * CWR...................0 percent. .THURSDAY... * Sky/Weather...........Mostly sunny. Areas of smoke in the morning. * Chance Lightning.......0 percent. * Max Temperature.......66-72...55-65 higher elevations. 24 hr trend......18 degrees down. * Min Humidity..........39-49 percent...53-63 percent higher elevations. 24 hr trend......18 percent up...40 percent up higher elevations. * Wind (20 FT). Lower Elevations...North winds 15 to 20 mph. Ridges.............Windy. North winds around 25 mph becoming northeast 15 to 20 mph in the afternoon. * Mixing Height.........1000-2000 ft agl increasing to 5000-6500 ft agl. * Transport Winds.......North around 30 mph decreasing to 20 to 25 mph in the afternoon. * CWR...................0 percent. .FORECAST DAYS 3 THROUGH 7...... .FRIDAY...Mostly clear. Lows in the lower 40s. Highs in the lower 70s. Northeast winds 15 to 20 mph. .SATURDAY...Mostly clear. Lows in the mid 40s. Highs in the upper 70s. Southeast winds 10 to 15 mph. .SUNDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows around 50. Highs in the mid 70s. West winds 10 to 15 mph. .MONDAY...Partly cloudy. Slight chance of showers. Lows around 50. Highs in the mid 70s. .TUESDAY...Mostly cloudy. Chance of showers. Lows around 50. Highs in the lower 70s. $$ MTZ115-031045- Chouteau and Fergus Counties- 133 PM MDT Tue Sep 2 2025 .TONIGHT... * Sky/Weather...........Partly cloudy. Haze. * Chance Lightning.......0 percent. * Min Temperature.......51-56. 24 hr trend......Unchanged...8 degrees down higher elevations. * Max Humidity..........85-95 percent. 24 hr trend......21 percent up...27 percent up higher elevations. * Wind (20 FT). Lower Elevations...North winds 10 to 15 mph shifting to the east after midnight. Ridges.............North winds 10 to 15 mph shifting to the east after midnight. * Mixing Height.........5000 ft agl decreasing to 500-1000 ft agl. * Transport Winds.......North 20 to 25 mph shifting to the east after midnight. * CWR...................0 percent. .WEDNESDAY... * Sky/Weather...........Mostly sunny. Areas of smoke in the morning. Haze through the day. * Chance Lightning.......0 percent. * Max Temperature.......79-86...71-79 higher elevations. 24 hr trend......4 degrees down. * Min Humidity..........32-42 percent. 24 hr trend......10 percent up. * Wind (20 FT). Lower Elevations...East winds around 5 mph. Ridges.............South winds around 5 mph shifting to the north in the afternoon. * Mixing Height.........1000-2500 ft agl increasing to 3000-4500 ft agl in the afternoon. * Transport Winds.......Southeast 15 to 20 mph shifting to the west in the afternoon. * CWR...................0 percent. .WEDNESDAY NIGHT... * Sky/Weather...........Partly cloudy. Haze through the night. Areas of smoke after midnight. * Chance Lightning.......0 percent. * Min Temperature.......56-61. 24 hr trend......5 degrees up. * Max Humidity..........62-72 percent. 24 hr trend......23 percent down. * Wind (20 FT). Lower Elevations...Southeast winds around 5 mph increasing to west 15 to 20 mph after midnight. Ridges.............West winds around 5 mph increasing to southwest 15 to 20 mph after midnight. * Mixing Height.........2000-3500 ft agl decreasing to BELOW 1000 ft agl early in the evening. * Transport Winds.......Northwest 15 to 20 mph increasing to west around 25 mph after midnight. * CWR...................0 percent. .THURSDAY... * Sky/Weather...........Mostly sunny. * Chance Lightning.......0 percent. * Max Temperature.......69-74...60-67 higher elevations. 24 hr trend......13 degrees down. * Min Humidity..........28-37 percent. 24 hr trend......6 percent down...1 percent down higher elevations. * Wind (20 FT). Lower Elevations...Northwest winds 20 to 25 mph. Ridges.............Northwest winds 15 to 20 mph. * Mixing Height.........1000-2500 ft agl increasing to 6000-7500 ft agl. * Transport Winds.......North around 30 mph. * CWR...................0 percent. .FORECAST DAYS 3 THROUGH 7...... .FRIDAY...Mostly clear. Lows in the lower 40s. Highs in the lower 70s. Northeast winds 20 to 25 mph. .SATURDAY...Mostly clear. Lows in the mid 40s. Highs in the upper 70s. East winds 10 to 15 mph. .SUNDAY...Partly cloudy. Lows around 50. Highs in the lower 80s. Southeast winds 10 to 15 mph. .MONDAY...Partly cloudy. Slight chance of showers. Lows in the mid 50s. Highs around 80. .TUESDAY...Partly cloudy. Slight chance of showers. Lows in the mid 50s. Highs in the upper 70s. $$ MTZ116-118-031045- Lincoln Ranger District of the Helena National Forest- Helena and Townsend Ranger Districts of the Helena National Forest- 133 PM MDT Tue Sep 2 2025 .TONIGHT... * Sky/Weather...........Partly cloudy. Haze. * Chance Lightning.......0 percent. * Min Temperature.......51-57. 24 hr trend......1 degree down...6 degrees down higher elevations. * Max Humidity..........57-67 percent. 24 hr trend......2 percent down...26 percent up higher elevations. * Wind (20 FT). Lower Elevations...North winds 10 to 15 mph. Ridges.............North winds 10 to 15 mph. * Mixing Height.........9500 ft agl decreasing to 1000-1500 ft agl. * Transport Winds.......North 15 to 20 mph. * CWR...................0 percent. .WEDNESDAY... * Sky/Weather...........Sunny. Haze. * Chance Lightning.......0 percent. * Max Temperature.......83-91...74-83 higher elevations. 24 hr trend......1 degree up. * Min Humidity..........17-25 percent. 24 hr trend......Unchanged...6 percent down higher elevations. * Wind (20 FT). Lower Elevations...Southwest winds around 5 mph shifting to the northwest in the afternoon. Ridges.............West winds 5 to 10 mph. * Mixing Height.........1000-2000 ft agl increasing to 10000-11500 ft agl. * Transport Winds.......West 15 to 20 mph. * CWR...................0 percent. .WEDNESDAY NIGHT... * Sky/Weather...........Partly cloudy. Haze through the night. Areas of smoke after midnight. * Chance Lightning.......0 percent. * Min Temperature.......51-59. 24 hr trend......2 degrees up. * Max Humidity..........49-59 percent. 24 hr trend......9 percent down...3 percent down higher elevations. * Wind (20 FT). Lower Elevations...Northwest winds 10 to 15 mph shifting to the west after midnight. Ridges.............Northwest winds 10 to 15 mph. * Mixing Height.........10500 ft agl decreasing to 1000-1500 ft agl. * Transport Winds.......Northwest 20 to 25 mph. * CWR...................0 percent. .THURSDAY... * Sky/Weather...........Mostly sunny. * Chance Lightning.......0 percent. * Max Temperature.......69-79...60-70 higher elevations. 24 hr trend......13 degrees down. * Min Humidity..........39-49 percent. 24 hr trend......16 percent up...28 percent up higher elevations. * Wind (20 FT). Lower Elevations...North winds 20 to 25 mph. Ridges.............North winds 20 to 25 mph. * Mixing Height.........1000-2000 ft agl increasing to 6000-7000 ft agl. * Transport Winds.......North 25 to 30 mph. * CWR...................0 percent. .FORECAST DAYS 3 THROUGH 7...... .FRIDAY...Mostly clear. Lows in the mid 40s. Highs in the lower 70s. Northeast winds 20 to 25 mph. .SATURDAY...Mostly clear. Lows in the upper 40s. Highs in the upper 70s. East winds 10 to 15 mph. .SUNDAY...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. .MONDAY...Mostly cloudy. Slight chance of showers and thunderstorms. Lows in the lower 50s. Highs in the lower 70s. .TUESDAY...Mostly cloudy. Chance of showers. Lows around 50. Highs in the lower 70s. $$ MTZ117-031045- Central and Eastern Lewis and Clark National Forest Areas- 133 PM MDT Tue Sep 2 2025 .TONIGHT... * Sky/Weather...........Partly cloudy. Haze after midnight. * Chance Lightning.......0 percent. * Min Temperature.......49-55. 24 hr trend......2 degrees down. * Max Humidity..........76-86 percent...63-73 percent higher elevations. 24 hr trend......33 percent up...17 percent up higher elevations. * Wind (20 FT). Lower Elevations...North winds 10 to 15 mph. Ridges.............North winds 10 to 15 mph. * Mixing Height.........8500 ft agl decreasing to 1000 ft agl. * Transport Winds.......North 15 to 20 mph. * CWR...................0 percent. .WEDNESDAY... * Sky/Weather...........Mostly sunny. Haze. * Chance Lightning.......0 percent. * Max Temperature.......83-90...73-82 higher elevations. 24 hr trend......1 degree down. * Min Humidity..........23-33 percent. 24 hr trend......Unchanged...5 percent down higher elevations. * Wind (20 FT). Lower Elevations...Southwest winds around 5 mph increasing to north 15 to 20 mph in the afternoon. Ridges.............West winds around 5 mph increasing to northwest 15 to 20 mph in the afternoon. * Mixing Height.........1000-2000 ft agl increasing to 9500-10000 ft agl. * Transport Winds.......West 15 to 20 mph increasing to northwest around 25 mph in the afternoon. * CWR...................0 percent. .WEDNESDAY NIGHT... * Sky/Weather...........Partly cloudy. Haze through the night. Areas of smoke after midnight. * Chance Lightning.......0 percent. * Min Temperature.......51-57. 24 hr trend......2 degrees up. * Max Humidity..........55-65 percent. 24 hr trend......33 percent down...10 percent down higher elevations. * Wind (20 FT). Lower Elevations...North winds 10 to 15 mph shifting to the southwest after midnight. Ridges.............Northwest winds 10 to 15 mph. * Mixing Height.........8500 ft agl decreasing to 500-1000 ft agl. * Transport Winds.......Northwest 20 to 25 mph. * CWR...................0 percent. .THURSDAY... * Sky/Weather...........Mostly sunny. Areas of smoke in the morning. * Chance Lightning.......0 percent. * Max Temperature.......68-74...59-69 higher elevations. 24 hr trend......13 degrees down. * Min Humidity..........36-46 percent. 24 hr trend......12 percent up...21 percent up higher elevations. * Wind (20 FT). Lower Elevations...North winds 20 to 25 mph. Ridges.............North winds 20 to 25 mph. * Mixing Height.........1000-2500 ft agl increasing to 5500-6500 ft agl. * Transport Winds.......North around 30 mph. * CWR...................0 percent. .FORECAST DAYS 3 THROUGH 7...... .FRIDAY...Mostly clear. Lows in the lower 40s. Highs around 70. Northeast winds 20 to 25 mph. .SATURDAY...Mostly clear. Lows in the mid 40s. Highs in the mid 70s. Southeast winds 10 to 15 mph. .SUNDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows around 50. Highs in the mid 70s. Southwest winds 15 to 20 mph. .MONDAY...Partly cloudy. Slight chance of showers. Lows in the lower 50s. Highs in the mid 70s. .TUESDAY...Partly cloudy. Slight chance of showers. Lows around 50. Highs in the mid 70s. $$ weather.gov/greatfalls