


Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
942 FNUS55 KTFX 310754 FWFTFX Fire Weather Planning Forecast for North-Central Montana National Weather Service Great Falls MT 154 AM MDT Thu Jul 31 2025 .DISCUSSION... Daily chances for afternoon and evening showers and thunderstorms continue through the weekend and into next week. Thunderstorms will be capable of producing gusty winds, small hail, and lightning, with today at a slightly higher chance for strong winds and hail with thunderstorms. Through Saturday, there is a localized heavy rainfall threat with thunderstorms. MTZ112-312230- Eastern Glacier/Toole/Central/Eastern Pondera/Liberty- 154 AM MDT Thu Jul 31 2025 .TODAY... * Sky/Weather...........Mostly sunny. * Chance Lightning.......0 percent. * Max Temperature.......77-84...70-75 higher elevations. 24 hr trend......6 degrees down...unchanged higher elevations. * Min Humidity..........38-44 percent. 24 hr trend......8 percent up. * Wind (20 FT). Lower Elevations...East winds 10 to 15 mph. Ridges.............East winds 10 to 15 mph. * Mixing Height.........500-1500 ft agl increasing to 7000-7500 ft agl. * Transport Winds.......East 15 to 20 mph. * CWR...................0 percent. .TONIGHT... * Sky/Weather...........Partly cloudy. Slight chance of showers and thunderstorms. * Chance Lightning.......20 percent. * Min Temperature.......55-60. 24 hr trend......2 degrees up. * Max Humidity..........83-93 percent. 24 hr trend......2 percent up. * Wind (20 FT). Lower Elevations...East winds 10 to 15 mph. Ridges.............East winds 10 to 15 mph. * Mixing Height.........6500-7500 ft agl decreasing to 1000 ft agl. * Transport Winds.......East 15 to 20 mph. * CWR...................10 percent. .FRIDAY... * Sky/Weather...........Mostly sunny then becoming mostly cloudy. Slight chance of showers in the morning, then chance of showers and slight chance of thunderstorms in the afternoon. * Chance Lightning.......20 percent. * Max Temperature.......77-84...69-74 higher elevations. 24 hr trend......4 degrees up. * Min Humidity..........48-58 percent. 24 hr trend......8 percent up. * Wind (20 FT). Lower Elevations...East winds 10 to 15 mph. Ridges.............East winds 5 to 10 mph. * Mixing Height.........1000-2500 ft agl increasing to 5500 ft agl. * Transport Winds.......East 10 to 15 mph. * CWR...................20 percent. .FORECAST DAYS 3 THROUGH 7...... .SATURDAY...Mostly cloudy with showers likely and chance of thunderstorms. Lows in the upper 50s. Highs in the mid 70s. West winds 10 to 15 mph. .SUNDAY...Mostly cloudy. Chance of showers and thunderstorms. Lows in the mid 50s. Highs in the upper 70s. West winds 15 to 20 mph. .MONDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows in the lower 50s. Highs in the upper 70s. Southwest winds 10 to 15 mph. .TUESDAY...Mostly cloudy. Chance of showers and slight chance of thunderstorms. Lows in the lower 50s. Highs in the lower 70s. .WEDNESDAY...Partly cloudy. Lows in the lower 50s. Highs in the upper 70s. $$ MTZ113-312230- Hill and Blaine Counties- 154 AM MDT Thu Jul 31 2025 .TODAY... * Sky/Weather...........Mostly sunny. * Chance Lightning.......0 percent. * Max Temperature.......79-84...71-76 higher elevations. 24 hr trend......4 degrees up. * Min Humidity..........36-43 percent...45-50 percent higher elevations. 24 hr trend......1 percent down...10 percent down higher elevations. * Wind (20 FT). Lower Elevations...East winds 15 to 20 mph. Ridges.............East winds 10 to 15 mph. * Mixing Height.........500-1500 ft agl increasing to 7000-7500 ft agl. * Transport Winds.......East 20 to 25 mph. * CWR...................0 percent. .TONIGHT... * Sky/Weather...........Partly cloudy. Slight chance of showers and thunderstorms. * Chance Lightning.......20 percent. * Min Temperature.......57-62. 24 hr trend......3 degrees up. * Max Humidity..........89-99 percent. 24 hr trend......14 percent up. * Wind (20 FT). Lower Elevations...East winds 10 to 15 mph. Ridges.............East winds 10 to 15 mph. * Mixing Height.........6500-7000 ft agl decreasing to 500-1000 ft agl. * Transport Winds.......East 20 to 25 mph. * CWR...................10 percent. .FRIDAY... * Sky/Weather...........Mostly sunny. Slight chance of showers in the morning, then chance of showers and slight chance of thunderstorms in the afternoon. * Chance Lightning.......20 percent. * Max Temperature.......80-85...73-78 higher elevations. 24 hr trend......1 degree up. * Min Humidity..........45-55 percent. 24 hr trend......5 percent up. * 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 4500-6000 ft agl. * Transport Winds.......East 15 to 20 mph. * CWR...................10 percent. .FORECAST DAYS 3 THROUGH 7...... .SATURDAY...Mostly cloudy with showers likely and chance of thunderstorms. Lows in the upper 50s. Highs in the upper 70s. Southeast winds 10 to 15 mph. .SUNDAY...Mostly cloudy. Chance of showers and thunderstorms. Lows in the upper 50s. Highs in the lower 80s. West winds 10 to 15 mph. .MONDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows in the mid 50s. Highs in the mid 80s. Southeast winds 10 to 15 mph. .TUESDAY...Mostly cloudy. Chance of showers and thunderstorms. Lows in the mid 50s. Highs in the upper 70s. .WEDNESDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows in the mid 50s. Highs in the lower 80s. $$ MTZ114-312230- Lewis and Clark National Forest Rocky Mountain District- Rocky Mountain Front- 154 AM MDT Thu Jul 31 2025 .TODAY... * Sky/Weather...........Mostly sunny. Chance of showers and slight chance of thunderstorms in the afternoon. * Chance Lightning.......20 percent. * Max Temperature.......77-84...65-75 higher elevations. 24 hr trend......1 degree down. * Min Humidity..........39-45 percent...47-57 percent higher elevations. 24 hr trend......8 percent up. * Wind (20 FT). Lower Elevations...Northeast winds 10 to 15 mph. Ridges.............East winds 10 to 15 mph. * Mixing Height.........1000-2000 ft agl increasing to 5500-7000 ft agl. * Transport Winds.......East 15 to 20 mph. * CWR...................0 percent. .TONIGHT... * Sky/Weather...........Mostly cloudy. Chance of showers and thunderstorms in the evening, then slight chance of showers and thunderstorms after midnight. * Chance Lightning.......50 percent. * Min Temperature.......50-57. 24 hr trend......2 degrees up. * Max Humidity..........83-93 percent. 24 hr trend......3 percent down. * Wind (20 FT). Lower Elevations...East winds 10 to 15 mph shifting to the north after midnight. Ridges.............Southeast winds 10 to 15 mph. * Mixing Height.........5500-6500 ft agl decreasing to 1000 ft agl. * Transport Winds.......Southeast around 25 mph becoming northeast 15 to 20 mph after midnight. * CWR...................20 percent. .FRIDAY... * Sky/Weather...........Mostly sunny then becoming mostly cloudy. Slight chance of showers in the morning, then showers likely and chance of thunderstorms in the afternoon. * Chance Lightning.......50 percent. * Max Temperature.......77-84...65-75 higher elevations. 24 hr trend......1 degree down. * Min Humidity..........47-57 percent...59-69 percent higher elevations. 24 hr trend......8 percent up...15 percent up higher elevations. * Wind (20 FT). Lower Elevations...Northeast winds around 5 mph. Ridges.............East winds around 5 mph. * Mixing Height.........1000-2500 ft agl increasing to 5500-6500 ft agl. * Transport Winds.......Northeast 10 to 15 mph. * CWR...................20 percent. .FORECAST DAYS 3 THROUGH 7...... .SATURDAY...Mostly cloudy with showers likely and chance of thunderstorms. Lows in the mid 50s. Highs in the lower 70s. West winds 10 to 15 mph. .SUNDAY...Partly cloudy. Chance of showers and thunderstorms. Lows in the lower 50s. Highs in the mid 70s. West winds 15 to 20 mph. .MONDAY...Partly cloudy. Chance of showers and slight chance of thunderstorms. Lows in the lower 50s. Highs in the upper 70s. Southwest winds 15 to 20 mph. .TUESDAY...Mostly cloudy. Chance of showers and slight chance of thunderstorms. Lows in the lower 50s. Highs in the lower 70s. .WEDNESDAY...Partly cloudy. Lows around 50. Highs in the mid 70s. $$ MTZ115-312230- Chouteau and Fergus Counties- 154 AM MDT Thu Jul 31 2025 .TODAY... * Sky/Weather...........Mostly sunny. * Chance Lightning.......0 percent. * Max Temperature.......78-86...69-75 higher elevations. 24 hr trend......4 degrees up. * Min Humidity..........42-52 percent...52-62 percent higher elevations. 24 hr trend......3 percent down. * Wind (20 FT). Lower Elevations...East winds 15 to 20 mph. Ridges.............East winds 15 to 20 mph. * Mixing Height.........500-2000 ft agl increasing to 6000-7500 ft agl. * Transport Winds.......East 20 to 25 mph. * CWR...................0 percent. .TONIGHT... * Sky/Weather...........Partly cloudy then becoming mostly cloudy. Chance of showers and thunderstorms in the evening, then slight chance of showers and thunderstorms after midnight. * Chance Lightning.......40 percent. * Min Temperature.......56-63. 24 hr trend......Unchanged. * Max Humidity..........86-96 percent. 24 hr trend......2 percent up...11 percent down higher elevations. * Wind (20 FT). Lower Elevations...East winds 10 to 15 mph. Ridges.............East winds 10 to 15 mph. * Mixing Height.........6500-7000 ft agl decreasing to 500-1000 ft agl. * Transport Winds.......East 20 to 25 mph. * CWR...................10 percent. .FRIDAY... * Sky/Weather...........Partly sunny. Slight chance of showers in the morning, then chance of showers and slight chance of thunderstorms in the afternoon. * Chance Lightning.......20 percent. * Max Temperature.......80-87...71-78 higher elevations. 24 hr trend......1 degree up. * Min Humidity..........46-55 percent...56-66 percent higher elevations. 24 hr trend......4 percent up. * Wind (20 FT). Lower Elevations...East winds 10 to 15 mph. Ridges.............East winds 5 to 10 mph. * Mixing Height.........1000-2500 ft agl increasing to 6000-6500 ft agl. * Transport Winds.......East 15 to 20 mph. * CWR...................10 percent. .FORECAST DAYS 3 THROUGH 7...... .SATURDAY...Mostly cloudy. Showers likely and chance of thunderstorms. Lows in the upper 50s. Highs around 80. Southwest winds 10 to 15 mph. .SUNDAY...Partly cloudy. Chance of showers and thunderstorms. Lows in the upper 50s. Highs in the lower 80s. West winds 10 to 15 mph. .MONDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows in the upper 50s. Highs in the mid 80s. Southeast winds 10 to 15 mph. .TUESDAY...Mostly cloudy. Chance of showers and thunderstorms. Lows in the mid 50s. Highs in the upper 70s. .WEDNESDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows in the mid 50s. Highs in the lower 80s. $$ MTZ116-118-312230- Lincoln Ranger District of the Helena National Forest- Helena and Townsend Ranger Districts of the Helena National Forest- 154 AM MDT Thu Jul 31 2025 .TODAY... * Sky/Weather...........Mostly sunny. Chance of showers and thunderstorms in the afternoon. * Chance Lightning.......40 percent. * Max Temperature.......78-86...69-78 higher elevations. 24 hr trend......2 degrees up. * Min Humidity..........37-47 percent. 24 hr trend......4 percent up. * Wind (20 FT). Lower Elevations...Northeast winds 10 to 15 mph. Ridges.............East winds 10 to 15 mph. * Mixing Height.........1000-2500 ft agl increasing to 7000-7500 ft agl. * Transport Winds.......East 15 to 20 mph. * CWR...................0 percent. .TONIGHT... * Sky/Weather...........Mostly cloudy then becoming partly cloudy. Chance of showers and thunderstorms in the evening. * Chance Lightning.......40 percent. * Min Temperature.......51-57. 24 hr trend......Unchanged. * Max Humidity..........77-87 percent. 24 hr trend......7 percent down. * Wind (20 FT). Lower Elevations...Northeast winds 10 to 15 mph shifting to the north after midnight. Ridges.............Southeast winds 10 to 15 mph. * Mixing Height.........5500 ft agl decreasing to 1000 ft agl. * Transport Winds.......East around 25 mph becoming northeast 15 to 20 mph after midnight. * CWR...................20 percent. .FRIDAY... * Sky/Weather...........Mostly sunny. Chance of showers and slight chance of thunderstorms in the afternoon. * Chance Lightning.......20 percent. * Max Temperature.......78-85...68-78 higher elevations. 24 hr trend......1 degree up. * Min Humidity..........36-46 percent. 24 hr trend......3 percent up. * Wind (20 FT). Lower Elevations...Southeast winds around 5 mph shifting to the south in the afternoon. Ridges.............Southeast winds 5 to 10 mph. * Mixing Height.........1000-2500 ft agl increasing to 4000-5000 ft agl late in the morning, then increasing to 6500-8000 ft agl early in the afternoon increasing to 7500-8500 ft agl late in the afternoon decreasing to 5500 ft agl. * Transport Winds.......Southeast 10 to 15 mph increasing to southwest 20 to 25 mph in the afternoon. * CWR...................10 percent. .FORECAST DAYS 3 THROUGH 7...... .SATURDAY...Mostly cloudy. Chance of showers and thunderstorms. Lows in the mid 50s. Highs in the mid 70s. West winds 10 to 15 mph. .SUNDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows in the lower 50s. Highs in the upper 70s. West winds 10 to 15 mph. .MONDAY...Partly cloudy. Chance of showers and slight chance of thunderstorms. Lows in the lower 50s. Highs in the upper 70s. South winds 10 to 15 mph. .TUESDAY...Partly cloudy. Chance of showers and thunderstorms. Lows in the lower 50s. Highs in the mid 70s. .WEDNESDAY...Partly cloudy. Lows in the lower 50s. Highs in the upper 70s. $$ MTZ117-312230- Central and Eastern Lewis and Clark National Forest Areas- 154 AM MDT Thu Jul 31 2025 .TODAY... * Sky/Weather...........Partly sunny. Slight chance of showers and thunderstorms in the afternoon. * Chance Lightning.......20 percent. * Max Temperature.......76-86...66-76 higher elevations. 24 hr trend......5 degrees down...6 degrees up higher elevations. * Min Humidity..........44-54 percent. 24 hr trend......1 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 5500-7000 ft agl. * Transport Winds.......East 15 to 20 mph. * CWR...................0 percent. .TONIGHT... * Sky/Weather...........Mostly cloudy then becoming partly cloudy. Chance of showers and thunderstorms in the evening. Slight chance of showers after midnight. * Chance Lightning.......40 percent. * Min Temperature.......51-58. 24 hr trend......Unchanged. * Max Humidity..........83-93 percent. 24 hr trend......1 percent up...4 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 1000-2500 ft agl early in the evening. * Transport Winds.......Southeast around 25 mph decreasing to 15 to 20 mph after midnight. * CWR...................10 percent. .FRIDAY... * Sky/Weather...........Mostly sunny. Chance of showers and slight chance of thunderstorms in the afternoon. * Chance Lightning.......20 percent. * Max Temperature.......78-86...68-77 higher elevations. 24 hr trend......1 degree up. * Min Humidity..........41-51 percent. 24 hr trend......2 percent up...7 percent down higher elevations. * Wind (20 FT). Lower Elevations...Southeast winds around 5 mph shifting to the east in the afternoon. Ridges.............Southeast winds 10 to 15 mph. * Mixing Height.........1000-2500 ft agl increasing to 3500-5000 ft agl late in the morning, then increasing to 6000-7500 ft agl early in the afternoon increasing to 6500-8000 ft agl late in the afternoon decreasing to 5000 ft agl. * Transport Winds.......Southeast 10 to 15 mph increasing to 20 to 25 mph in the afternoon. * CWR...................20 percent. .FORECAST DAYS 3 THROUGH 7...... .SATURDAY...Mostly cloudy. Chance of showers and thunderstorms. Lows in the mid 50s. Highs in the mid 70s. Southwest winds 10 to 15 mph. .SUNDAY...Partly cloudy. Chance of showers and thunderstorms. Lows in the lower 50s. Highs in the upper 70s. West winds 15 to 20 mph. .MONDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows in the lower 50s. Highs in the upper 70s. South winds 15 to 20 mph. .TUESDAY...Partly cloudy. Chance of showers and thunderstorms. Lows in the lower 50s. Highs in the mid 70s. .WEDNESDAY...Partly cloudy. Lows in the lower 50s. Highs in the upper 70s. $$ weather.gov/greatfalls