FNUS55 KTFX 210713 FWFTFX Fire Weather Planning Forecast for North-Central Montana National Weather Service Great Falls MT 113 AM MDT Sun Jun 21 2026 .DISCUSSION... Breezy, northwest winds will persist across all Fire Weather Zones through the day today in wake of a cold front, with high temperatures being some 5 to 10 degrees colder than Saturday. Additional opportunities for showers and thunderstorms exist today and on Monday, with temperatures on Monday falling an additional 5 to 10 degrees. A moderating and warming trend is then expected from Tuesday through the remainder of the work week. - Moldan MTZ112-212215- Eastern Glacier/Toole/Central/Eastern Pondera/Liberty- 113 AM MDT Sun Jun 21 2026 .TODAY... * Sky/Weather...........Mostly sunny. Slight chance of showers and thunderstorms in the afternoon. * Chance Lightning.......20 percent. * Max Temperature.......65-73...59-64 higher elevations. 24 hr trend......9 degrees down. * Min Humidity..........37-45 percent. 24 hr trend......3 percent up...11 percent up higher elevations. * Wind (20 FT). Lower Elevations...Northwest winds 15 to 20 mph. Ridges.............Northwest winds 20 to 25 mph decreasing to 10 to 15 mph in the afternoon. * Mixing Height.........500-2000 ft agl increasing to 7000-7500 ft agl. * Transport Winds.......Northwest 25 to 30 mph. * CWR...................0 percent. .TONIGHT... * Sky/Weather...........Partly cloudy. Chance of showers and slight chance of thunderstorms in the evening, then slight chance of showers after midnight. * Chance Lightning.......20 percent. * Min Temperature.......41-46. 24 hr trend......4 degrees down. * Max Humidity..........76-86 percent. 24 hr trend......1 percent down. * Wind (20 FT). Lower Elevations...Northwest winds 15 to 20 mph. Ridges.............Northwest winds 15 to 20 mph. * Mixing Height.........6000-7000 ft agl decreasing to 1000-1500 ft agl. * Transport Winds.......Northwest 20 to 25 mph. * CWR...................10 percent. .MONDAY... * Sky/Weather...........Partly sunny. Slight chance of showers in the afternoon. * Chance Lightning.......0 percent. * Max Temperature.......58-66...52-57 higher elevations. 24 hr trend......9 degrees down. * Min Humidity..........46-56 percent...59-69 percent higher elevations. 24 hr trend......7 percent up...16 percent up higher elevations. * Wind (20 FT). Lower Elevations...Northwest winds 20 to 25 mph. Ridges.............Northwest winds 20 to 25 mph. * Mixing Height.........1000-2500 ft agl increasing to 5000-6500 ft agl. * Transport Winds.......Northwest 25 to 30 mph. * CWR...................0 percent. .FORECAST DAYS 3 THROUGH 7...... .TUESDAY...Mostly clear. Lows in the lower 40s. Highs around 70. Northwest winds 20 to 25 mph. .WEDNESDAY...Partly cloudy. Lows in the mid 40s. Highs in the mid 70s. East winds 10 to 15 mph. .THURSDAY...Partly cloudy. Lows around 50. Highs in the lower 80s. Southeast winds 15 to 20 mph. .FRIDAY...Mostly cloudy. Slight chance of showers. Lows in the mid 50s. Highs in the upper 70s. .SATURDAY...Mostly cloudy. Chance of showers and slight chance of thunderstorms. Lows in the lower 50s. Highs in the upper 60s. $$ MTZ113-212215- Hill and Blaine Counties- 113 AM MDT Sun Jun 21 2026 .TODAY... * Sky/Weather...........Mostly sunny. * Chance Lightning.......0 percent. * Max Temperature.......70-75...62-67 higher elevations. 24 hr trend......6 degrees down. * Min Humidity..........35-41 percent. 24 hr trend......1 percent up. * Wind (20 FT). Lower Elevations...Northwest winds 15 to 20 mph. Ridges.............Northwest winds 15 to 20 mph. * Mixing Height.........1500-3000 ft agl increasing to 6500-7500 ft agl.* Transport Winds.......Northwest 25 to 30 mph. * CWR...................0 percent. .TONIGHT... * Sky/Weather...........Partly cloudy. Chance of showers and slight chance of thunderstorms after midnight. * Chance Lightning.......20 percent. * Min Temperature.......45-50. 24 hr trend......4 degrees down. * Max Humidity..........79-89 percent. 24 hr trend......14 percent down...7 percent down higher elevations. * Wind (20 FT). Lower Elevations...Northwest winds 15 to 20 mph. Ridges.............Northwest winds 15 to 20 mph. * Mixing Height.........5500-6500 ft agl decreasing to 500-1000 ft agl. * Transport Winds.......Northwest 20 to 25 mph. * CWR...................10 percent. .MONDAY... * Sky/Weather...........Partly sunny. Slight chance of showers in the morning. Chance of showers and slight chance of thunderstorms in the afternoon. * Chance Lightning.......20 percent. * Max Temperature.......63-68...55-60 higher elevations. 24 hr trend......6 degrees down. * Min Humidity..........47-57 percent. 24 hr trend......12 percent up. * Wind (20 FT). Lower Elevations...Northwest winds 15 to 20 mph. Ridges.............Northwest winds 15 to 20 mph. * Mixing Height.........1000-2500 ft agl increasing to 5500-6500 ft agl. * Transport Winds.......West 25 to 30 mph. * CWR...................10 percent. .FORECAST DAYS 3 THROUGH 7...... .TUESDAY...Partly cloudy. Lows in the mid 40s. Highs in the upper 60s. Northwest winds 20 to 25 mph. .WEDNESDAY...Partly cloudy. Lows in the mid 40s. Highs in the mid 70s. East winds 10 to 15 mph. .THURSDAY...Partly cloudy. Lows in the lower 50s. Highs in the lower 80s. 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 lower 80s. .SATURDAY...Not as warm. Mostly cloudy. Chance of showers and thunderstorms. Lows in the mid 50s. Highs in the lower 70s. $$ MTZ114-212215- Lewis and Clark National Forest Rocky Mountain District- Rocky Mountain Front- 113 AM MDT Sun Jun 21 2026 .TODAY... * Sky/Weather...........Mostly sunny. Slight chance of showers and thunderstorms in the afternoon. * Chance Lightning.......20 percent. * Max Temperature.......69-75...56-66 higher elevations. 24 hr trend......6 degrees down. * Min Humidity..........32-42 percent. 24 hr trend......8 percent up...2 percent down higher elevations. * Wind (20 FT). Lower Elevations...Northwest winds 10 to 15 mph. Ridges.............West winds 10 to 15 mph. * Mixing Height.........500-2000 ft agl increasing to 8000 ft agl. * Transport Winds.......West 20 to 25 mph. * CWR...................0 percent. .TONIGHT... * Sky/Weather...........Partly cloudy. Chance of showers and slight chance of thunderstorms in the evening, then slight chance of showers after midnight. * Chance Lightning.......20 percent. * Min Temperature.......43-48...37-44 higher elevations. 24 hr trend......4 degrees down. * Max Humidity..........78-88 percent. 24 hr trend......1 percent up...16 percent up higher elevations. * Wind (20 FT). Lower Elevations...Northwest winds 10 to 15 mph. Ridges.............Northwest winds 10 to 15 mph. * Mixing Height.........6500-7500 ft agl decreasing to 1000 ft agl. * Transport Winds.......Northwest 15 to 20 mph. * CWR...................10 percent. .MONDAY... * Sky/Weather...........Partly sunny. Chance of showers through the day. Slight chance of thunderstorms in the afternoon. * Chance Lightning.......20 percent. * Max Temperature.......61-67...49-59 higher elevations. 24 hr trend......7 degrees down. * Min Humidity..........44-54 percent...63-73 percent higher elevations. 24 hr trend......6 percent up...31 percent up higher elevations. * Wind (20 FT). Lower Elevations...North winds 10 to 15 mph. Ridges.............North winds 10 to 15 mph. * Mixing Height.........1500-3000 ft agl increasing to 5500-6000 ft agl. * Transport Winds.......Northwest 20 to 25 mph. * CWR...................10 percent. .FORECAST DAYS 3 THROUGH 7...... .TUESDAY...Mostly clear. Lows in the lower 40s. Highs in the upper 60s. Northeast winds 10 to 15 mph. .WEDNESDAY...Partly cloudy. Lows in the mid 40s. Highs in the mid 70s. East winds 15 to 20 mph. .THURSDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows in the upper 40s. Highs around 80. South winds 15 to 20 mph. .FRIDAY...Mostly cloudy. Slight chance of showers and thunderstorms. Lows in the lower 50s. Highs in the mid 70s. .SATURDAY...Cooler. Mostly cloudy. Chance of showers and slight chance of thunderstorms. Lows in the upper 40s. Highs in the mid 60s. $$ MTZ115-212215- Chouteau and Fergus Counties- 113 AM MDT Sun Jun 21 2026 .TODAY... * Sky/Weather...........Mostly sunny. * Chance Lightning.......0 percent. * Max Temperature.......71-77...63-70 higher elevations. 24 hr trend......5 degrees down. * Min Humidity..........31-40 percent. 24 hr trend......Unchanged. * Wind (20 FT). Lower Elevations...Northwest winds 15 to 20 mph. Ridges.............Northwest winds 15 to 20 mph. * Mixing Height.........1500-2500 ft agl increasing to 7500-8000 ft agl. * Transport Winds.......Northwest 25 to 30 mph. * CWR...................0 percent. .TONIGHT... * Sky/Weather...........Partly cloudy then becoming mostly cloudy. Slight chance of showers in the evening, then chance of showers and slight chance of thunderstorms after midnight. * Chance Lightning.......20 percent. * Min Temperature.......45-52. 24 hr trend......3 degrees down. * Max Humidity..........75-85 percent. 24 hr trend......7 percent down. * Wind (20 FT). Lower Elevations...Northwest winds 10 to 15 mph. Ridges.............North winds 10 to 15 mph. * Mixing Height.........6000-7000 ft agl decreasing to 500-1000 ft agl. * Transport Winds.......North 15 to 20 mph. * CWR...................10 percent. .MONDAY... * Sky/Weather...........Partly sunny. Chance of showers in the morning. Slight chance of showers and thunderstorms in the afternoon. * Chance Lightning.......20 percent. * Max Temperature.......64-69...55-62 higher elevations. 24 hr trend......6 degrees down. * Min Humidity..........42-50 percent. 24 hr trend......7 percent up. * Wind (20 FT). Lower Elevations...Northwest winds 10 to 15 mph. Ridges.............Northwest winds 10 to 15 mph. * Mixing Height.........1000-2500 ft agl increasing to 7000-7500 ft agl. * Transport Winds.......Northwest 20 to 25 mph. * CWR...................10 percent. .FORECAST DAYS 3 THROUGH 7...... .TUESDAY...Mostly clear. Lows in the mid 40s. Highs in the lower 70s. Northwest winds 15 to 20 mph. .WEDNESDAY...Partly cloudy. Lows in the upper 40s. Highs in the upper 70s. East winds 10 to 15 mph. .THURSDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows in the lower 50s. Highs in the lower 80s. 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 mid 80s. .SATURDAY...Not as warm. Mostly cloudy. Chance of showers and thunderstorms. Lows in the mid 50s. Highs in the lower 70s. $$ MTZ116-118-212215- Lincoln Ranger District of the Helena National Forest- Helena and Townsend Ranger Districts of the Helena National Forest- 113 AM MDT Sun Jun 21 2026 .TODAY... * Sky/Weather...........Mostly sunny. * Chance Lightning.......0 percent. * Max Temperature.......70-79...60-70 higher elevations. 24 hr trend......5 degrees up. * Min Humidity..........22-32 percent. 24 hr trend......15 percent down...4 percent down higher elevations. * Wind (20 FT). Lower Elevations...West winds 10 to 15 mph. Ridges.............West winds 10 to 15 mph. * Mixing Height.........500-2000 ft agl increasing to 10000-10500 ft agl. * Transport Winds.......West 20 to 25 mph. * CWR...................0 percent. .TONIGHT... * Sky/Weather...........Partly cloudy. * Chance Lightning.......0 percent. * Min Temperature.......41-49. 24 hr trend......1 degree down. * Max Humidity..........75-85 percent. 24 hr trend......Unchanged...7 percent up higher elevations. * Wind (20 FT). Lower Elevations...Northwest winds 15 to 20 mph. Ridges.............Northwest winds 15 to 20 mph. * Mixing Height.........9000 ft agl decreasing to 500-1000 ft agl. * Transport Winds.......North 20 to 25 mph. * CWR...................0 percent. .MONDAY... * Sky/Weather...........Mostly sunny. Slight chance of showers and thunderstorms in the afternoon. * Chance Lightning.......20 percent. * Max Temperature.......63-73...54-64 higher elevations. 24 hr trend......5 degrees down. * Min Humidity..........35-45 percent...45-55 percent higher elevations. 24 hr trend......9 percent up...21 percent up higher elevations. * Wind (20 FT). Lower Elevations...North winds 15 to 20 mph. Ridges.............North winds 15 to 20 mph. * Mixing Height.........1000-2500 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 40s. Highs around 70. North winds 15 to 20 mph. .WEDNESDAY...Partly cloudy. Lows in the mid 40s. Highs in the mid 70s. Northeast winds 15 to 20 mph. .THURSDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows in the upper 40s. Highs around 80. East 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. .SATURDAY...Cooler. Mostly cloudy. Showers likely and chance of thunderstorms. Lows in the upper 40s. Highs in the lower 60s. $$ MTZ117-212215- Central and Eastern Lewis and Clark National Forest Areas- 113 AM MDT Sun Jun 21 2026 .TODAY... * Sky/Weather...........Mostly sunny. * Chance Lightning.......0 percent. * Max Temperature.......69-75...60-69 higher elevations. 24 hr trend......Unchanged. * Min Humidity..........30-40 percent. 24 hr trend......3 percent up. * Wind (20 FT). Lower Elevations...Northwest winds 15 to 20 mph. Ridges.............Northwest winds 15 to 20 mph. * Mixing Height.........1000-2000 ft agl increasing to 7500-9000 ft agl. * Transport Winds.......West 20 to 25 mph. * CWR...................0 percent. .TONIGHT... * Sky/Weather...........Partly cloudy then becoming mostly cloudy. Slight chance of thunderstorms in the evening. Slight chance of showers through the night. * Chance Lightning.......20 percent. * Min Temperature.......42-48. 24 hr trend......4 degrees down. * Max Humidity..........78-88 percent. 24 hr trend......2 percent down...7 percent up higher elevations. * Wind (20 FT). Lower Elevations...Northwest winds 10 to 15 mph. Ridges.............Northwest winds 15 to 20 mph shifting to the west after midnight. * Mixing Height.........8000 ft agl decreasing to 500-1000 ft agl. * Transport Winds.......North 15 to 20 mph. * CWR...................10 percent. .MONDAY... * Sky/Weather...........Partly sunny. Chance of showers in the morning. Slight chance of showers and thunderstorms in the afternoon.* Chance Lightning.......20 percent. * Max Temperature.......61-68...52-62 higher elevations. 24 hr trend......7 degrees down. * Min Humidity..........44-54 percent. 24 hr trend......4 percent up. * Wind (20 FT). Lower Elevations...Northwest winds 15 to 20 mph. Ridges.............Northwest winds 15 to 20 mph. * Mixing Height.........1000-2500 ft agl increasing to 5500-6500 ft agl. * Transport Winds.......Northwest 20 to 25 mph. * CWR...................10 percent. .FORECAST DAYS 3 THROUGH 7...... .TUESDAY...Mostly clear. Lows in the lower 40s. Highs in the upper 60s. North winds 15 to 20 mph. .WEDNESDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows in the mid 40s. Highs in the lower 70s. East winds 15 to 20 mph. .THURSDAY...Partly cloudy. Chance of showers and thunderstorms. Lows in the upper 40s. Highs in the upper 70s. Southeast winds 15 to 20 mph. .FRIDAY...Mostly cloudy. Chance of showers and thunderstorms. Lows in the lower 50s. Highs in the upper 70s. .SATURDAY...Cooler. Mostly cloudy. Showers likely and chance of thunderstorms. Lows in the upper 40s. Highs in the mid 60s. $$ weather.gov/greatfalls