859 FNUS55 KTFX 060906 FWFTFX Fire Weather Planning Forecast for North-Central Montana National Weather Service Great Falls MT 306 AM MDT Sat Jun 6 2026 .DISCUSSION... A Pacific weather system continues to move onshore today and across the Northern Rockies tonight through Sunday with an increasing chance for showers and a few thunderstorms by this afternoon. The risk for thunderstorms is greatest across eastern fire districts late this afternoon and evening with another round of widespread showers moving through the region tonight through Sunday morning. Temperatures are close to seasonal averages today but cool to below average Sunday. Drier and slightly warmer conditions develop Monday before another stretch of unsettled and cooler conditions develops next week. Hoenisch MTZ112-062300- Eastern Glacier/Toole/Central/Eastern Pondera/Liberty- 306 AM MDT Sat Jun 6 2026 .TODAY... * Sky/Weather...........Partly sunny. Slight chance of showers. * Chance Lightning.......0 percent. * Max Temperature.......61-71...53-61 higher elevations. 24 hr trend......10 degrees down. * Min Humidity..........35-43 percent...44-54 percent higher elevations. 24 hr trend......21 percent up. * Wind (20 FT). Lower Elevations...Northwest winds 15 to 20 mph. Ridges.............Northwest winds 15 to 20 mph. * Mixing Height.........500-2000 ft agl increasing to 4500-6000 ft agl. * Transport Winds.......West 20 to 25 mph. * CWR...................10 percent. .TONIGHT... * Sky/Weather...........Mostly cloudy. Chance of showers in the evening. Slight chance of showers after midnight. * Chance Lightning.......0 percent. * Min Temperature.......37-44. 24 hr trend......3 degrees down. * Max Humidity..........54-64 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.........3500-5000 ft agl decreasing to 1500-2500 ft agl in the late evening and overnight. * Transport Winds.......West 25 to 30 mph. * CWR...................0 percent. .SUNDAY... * Sky/Weather...........Partly sunny. Slight chance of showers. * Chance Lightning.......0 percent. * Max Temperature.......53-60...45-53 higher elevations. 24 hr trend......9 degrees down. * Min Humidity..........38-46 percent...47-57 percent higher elevations. 24 hr trend......4 percent up. * Wind (20 FT). Lower Elevations...Windy. West winds 20 to 25 mph. Ridges.............Windy. West winds 20 to 25 mph. * Mixing Height.........1000-2500 ft agl increasing to 7500-8500 ft agl. * Transport Winds.......West around 30 mph increasing to around 40 mph in the afternoon. * CWR...................0 percent. .FORECAST DAYS 3 THROUGH 7...... .MONDAY...Warmer, windy. Partly cloudy. Lows in the upper 30s. Highs in the upper 60s. Southwest winds around 30 mph. .TUESDAY...Mostly cloudy. Chance of showers and slight chance of thunderstorms. Lows in the mid 40s. Highs in the mid 60s. West winds 20 to 25 mph. .WEDNESDAY...Windy. Mostly cloudy. Chance of showers and slight chance of thunderstorms. Lows in the lower 40s. Highs in the upper 50s. West winds around 30 mph. .THURSDAY...Mostly cloudy with showers likely and slight chance of thunderstorms. Lows in the lower 40s. Highs around 60. .FRIDAY...Mostly cloudy. Chance of showers and slight chance of thunderstorms. Lows in the lower 40s. Highs in the lower 60s. $$ MTZ113-062300- Hill and Blaine Counties- 306 AM MDT Sat Jun 6 2026 .TODAY... * Sky/Weather...........Partly sunny. Slight chance of showers in the afternoon. * Chance Lightning.......0 percent. * Max Temperature.......71-78...65-70 higher elevations. 24 hr trend......6 degrees down. * Min Humidity..........33-38 percent. 24 hr trend......21 percent up...14 percent up higher elevations. * Wind (20 FT). Lower Elevations...Northeast winds 10 to 15 mph. Ridges.............Northeast winds 10 to 15 mph. * Mixing Height.........500-1500 ft agl increasing to 4500-6000 ft agl. * Transport Winds.......Northeast 15 to 20 mph. * CWR...................0 percent. .TONIGHT... * Sky/Weather...........Mostly cloudy. Slight chance of thunderstorms in the evening. Chance of showers through the night. * Chance Lightning.......20 percent. * Min Temperature.......45-50. 24 hr trend......3 degrees down. * Max Humidity..........68-78 percent. 24 hr trend......21 percent up. * Wind (20 FT). Lower Elevations...Northwest winds 15 to 20 mph. Ridges.............Northwest winds 15 to 20 mph. * Mixing Height.........4500 ft agl decreasing to 1000-2500 ft agl. * Transport Winds.......Northwest 20 to 25 mph. * CWR...................10 percent. .SUNDAY... * Sky/Weather...........Cloudy then becoming partly sunny. Slight chance of thunderstorms in the morning. Chance of showers through the day. * Chance Lightning.......20 percent. * Max Temperature.......59-64...50-55 higher elevations. 24 hr trend......12 degrees down. * Min Humidity..........46-56 percent...58-66 percent higher elevations. 24 hr trend......14 percent up...22 percent up higher elevations. * Wind (20 FT). Lower Elevations...West winds 15 to 20 mph. Ridges.............West winds 15 to 20 mph. * Mixing Height.........1500-2500 ft agl increasing to 6500-8000 ft agl. * Transport Winds.......West 25 to 30 mph. * CWR...................20 percent. .FORECAST DAYS 3 THROUGH 7...... .MONDAY...Partly cloudy. Chance of showers. Lows in the lower 40s. Highs in the lower 70s. Southwest winds 20 to 25 mph. .TUESDAY...Mostly cloudy. Slight chance of showers and thunderstorms. Lows in the upper 40s. Highs in the lower 70s. Southwest winds 15 to 20 mph. .WEDNESDAY...Windy. Mostly cloudy. Chance of showers and thunderstorms. Lows in the mid 40s. Highs in the mid 60s. West winds around 25 mph. .THURSDAY...Mostly cloudy with showers likely and slight chance of thunderstorms. Lows in the mid 40s. Highs in the lower 60s. .FRIDAY...Mostly cloudy. Chance of showers and slight chance of thunderstorms. Lows in the mid 40s. Highs in the lower 60s. $$ MTZ114-062300- Lewis and Clark National Forest Rocky Mountain District- Rocky Mountain Front- 306 AM MDT Sat Jun 6 2026 .TODAY... * Sky/Weather...........Partly sunny. Slight chance of showers through the day. Slight chance of thunderstorms in the afternoon. * Chance Lightning.......20 percent. * Max Temperature.......64-71...51-61 higher elevations. 24 hr trend......9 degrees down...2 degrees down higher elevations. * Min Humidity..........35-45 percent...51-61 percent higher elevations. 24 hr trend......16 percent up. * Wind (20 FT). Lower Elevations...Northeast winds 10 to 15 mph shifting to the north in the afternoon. Ridges.............South winds 10 to 15 mph increasing to southwest 20 to 25 mph in the afternoon. * Mixing Height.........500-1000 ft agl increasing to 4500-5500 ft agl. * Transport Winds.......East 20 to 25 mph shifting to the southwest in the afternoon. * CWR...................10 percent. .TONIGHT... * Sky/Weather...........Mostly cloudy. Slight chance of thunderstorms in the evening. Chance of showers through the night. * Chance Lightning.......20 percent. * Min Temperature.......39-44...31-39 higher elevations. 24 hr trend......4 degrees down. * Max Humidity..........63-73 percent. 24 hr trend......2 percent up...13 percent up higher elevations. * Wind (20 FT). Lower Elevations...West winds 15 to 20 mph. Ridges.............West winds 15 to 20 mph. * Mixing Height.........2500-4000 ft agl decreasing to 1500-2000 ft agl in the late evening and overnight. * Transport Winds.......West 25 to 30 mph. * CWR...................10 percent. .SUNDAY... * Sky/Weather...........Partly sunny. Chance of rain and snow showers in the morning, then slight chance of rain and snow showers in the afternoon. * Chance Lightning.......0 percent. * Max Temperature.......52-58...38-48 higher elevations. 24 hr trend......13 degrees down. * Min Humidity..........43-50 percent...57-67 percent higher elevations. 24 hr trend......8 percent up. * Wind (20 FT). Lower Elevations...West winds 15 to 20 mph. Ridges.............Windy. West winds 20 to 25 mph increasing to around 30 mph in the afternoon. * Mixing Height.........1500-3000 ft agl increasing to 7500-8000 ft agl. * Transport Winds.......West around 30 mph increasing to around 40 mph in the afternoon. * CWR...................10 percent. .FORECAST DAYS 3 THROUGH 7...... .MONDAY...Warmer. Very windy. Partly cloudy. Lows in the mid 30s. Highs in the mid 60s. Southwest winds around 35 mph. .TUESDAY...Mostly cloudy. Chance of showers and slight chance of thunderstorms. Lows in the lower 40s. Highs in the lower 60s. West winds 20 to 25 mph. .WEDNESDAY...Windy. Mostly cloudy. Chance of showers and slight chance of thunderstorms. Lows around 40. Highs in the mid 50s. West winds around 30 mph. .THURSDAY...Mostly cloudy. Chance of showers, snow and slight chance of thunderstorms. Lows in the upper 30s. Highs in the mid 50s. .FRIDAY...Mostly cloudy. Chance of showers and slight chance of thunderstorms. Lows in the upper 30s. Highs in the upper 50s. $$ MTZ115-062300- Chouteau and Fergus Counties- 306 AM MDT Sat Jun 6 2026 .TODAY... * Sky/Weather...........Partly sunny. Chance of showers and slight chance of thunderstorms in the afternoon. * Chance Lightning.......20 percent. * Max Temperature.......73-79...67-75 higher elevations. 24 hr trend......3 degrees down. * Min Humidity..........34-40 percent. 24 hr trend......9 percent up...16 percent up higher elevations. * Wind (20 FT). Lower Elevations...Northeast winds 10 to 15 mph. Ridges.............East winds 10 to 15 mph shifting to the southeast in the afternoon. * Mixing Height.........500-2000 ft agl increasing to 5000-5500 ft agl. * Transport Winds.......Northeast 15 to 20 mph increasing to east around 25 mph in the afternoon. * CWR...................0 percent. .TONIGHT... * Sky/Weather...........Mostly cloudy. Chance of showers and slight chance of thunderstorms. * Chance Lightning.......20 percent. * Min Temperature.......43-51. 24 hr trend......5 degrees down. * Max Humidity..........63-73 percent. 24 hr trend......5 percent up...10 percent up higher elevations. * Wind (20 FT). Lower Elevations...Northwest winds 15 to 20 mph. Ridges.............Northwest winds 15 to 20 mph. * Mixing Height.........2500-4000 ft agl decreasing to 1500-2000 ft agl early in the evening. * Transport Winds.......Northwest 20 to 25 mph. * CWR...................10 percent. .SUNDAY... * Sky/Weather...........Mostly cloudy. Chance of showers through the day. Slight chance of thunderstorms in the afternoon. * Chance Lightning.......20 percent. * Max Temperature.......57-63...48-57 higher elevations. 24 hr trend......17 degrees down. * Min Humidity..........48-58 percent...57-63 percent higher elevations. 24 hr trend......18 percent up. * Wind (20 FT). Lower Elevations...West winds 15 to 20 mph. Ridges.............West winds 15 to 20 mph. * Mixing Height.........2000-3500 ft agl increasing to 6000-7000 ft agl. * Transport Winds.......West 30 to 35 mph. * CWR...................20 percent. .FORECAST DAYS 3 THROUGH 7...... .MONDAY...Warmer, windy. Partly cloudy. Chance of showers. Lows in the lower 40s. Highs in the lower 70s. Southwest winds around 25 mph. .TUESDAY...Mostly cloudy. Chance of showers and slight chance of thunderstorms. Lows in the upper 40s. Highs around 70. Southwest winds 10 to 15 mph. .WEDNESDAY...Windy. Mostly cloudy. Chance of showers and slight chance of thunderstorms. Lows in the mid 40s. Highs in the lower 60s. West winds around 25 mph. .THURSDAY...Mostly cloudy with showers likely and slight chance of thunderstorms. Lows in the mid 40s. Highs in the lower 60s. .FRIDAY...Mostly cloudy. Chance of showers and slight chance of thunderstorms. Lows in the mid 40s. Highs in the lower 60s. $$ MTZ116-118-062300- Lincoln Ranger District of the Helena National Forest- Helena and Townsend Ranger Districts of the Helena National Forest- 306 AM MDT Sat Jun 6 2026 .TODAY... * Sky/Weather...........Partly sunny. Chance of showers and thunderstorms in the afternoon. * Chance Lightning.......30 percent. * Max Temperature.......69-79...58-68 higher elevations. 24 hr trend......6 degrees down. * Min Humidity..........36-46 percent. 24 hr trend......14 percent up. * Wind (20 FT). Lower Elevations...North winds around 5 mph increasing to northwest 15 to 20 mph in the afternoon. Ridges.............South winds 10 to 15 mph shifting to the west in the afternoon. * Mixing Height.........500-2000 ft agl increasing to 4500-6000 ft agl in the afternoon. * Transport Winds.......Northwest around 25 mph increasing to west around 40 mph in the afternoon. * CWR...................10 percent. .TONIGHT... * Sky/Weather...........Mostly cloudy. Slight chance of thunderstorms in the evening. Chance of showers through the night. * Chance Lightning.......20 percent. * Min Temperature.......41-46...34-43 higher elevations. 24 hr trend......5 degrees down...11 degrees down higher elevations. * Max Humidity..........73-83 percent. 24 hr trend......15 percent up. * Wind (20 FT). Lower Elevations...Northwest winds 20 to 25 mph. Ridges.............Northwest winds 20 to 25 mph. * Mixing Height.........2500-3500 ft agl decreasing to 1500-2000 ft agl in the late evening and overnight. * Transport Winds.......Northwest around 30 mph. * CWR...................10 percent. .SUNDAY... * Sky/Weather...........Partly sunny. Chance of rain and snow showers through the day. Chance of thunderstorms in the afternoon. * Chance Lightning.......50 percent. * Max Temperature.......50-60...40-50 higher elevations. 24 hr trend......20 degrees down. * Min Humidity..........49-59 percent. 24 hr trend......30 percent up...18 percent up higher elevations. * Wind (20 FT). Lower Elevations...West winds 20 to 25 mph. Ridges.............Windy. Northwest winds 15 to 20 mph increasing to west around 25 mph in the afternoon. * Mixing Height.........2000-3000 ft agl increasing to 7000-7500 ft agl. * Transport Winds.......West 25 to 30 mph. * CWR...................20 percent. .FORECAST DAYS 3 THROUGH 7...... .MONDAY...Warmer, windy. Partly cloudy. Slight chance of showers. Lows in the mid 30s. Highs in the mid 60s. Southwest winds around 30 mph. .TUESDAY...Mostly cloudy with showers likely and chance of thunderstorms. Lows in the mid 40s. Highs in the lower 60s. Southwest winds 15 to 20 mph. .WEDNESDAY...Windy. Mostly cloudy with showers and chance of thunderstorms. Lows around 40. Highs in the mid 50s. West winds around 30 mph. .THURSDAY...Mostly cloudy. Chance of showers and slight chance of thunderstorms. Lows in the upper 30s. Highs in the mid 50s. .FRIDAY...Mostly cloudy. Chance of showers and thunderstorms. Lows in the upper 30s. Highs in the upper 50s. $$ MTZ117-062300- Central and Eastern Lewis and Clark National Forest Areas- 306 AM MDT Sat Jun 6 2026 .TODAY... * Sky/Weather...........Partly sunny. Chance of showers and thunderstorms in the afternoon. * Chance Lightning.......40 percent. * Max Temperature.......69-76...63-73 higher elevations. 24 hr trend......3 degrees down. * Min Humidity..........36-46 percent. 24 hr trend......16 percent up. * Wind (20 FT). Lower Elevations...East winds 10 to 15 mph shifting to the north in the afternoon. Ridges.............Southeast winds 15 to 20 mph shifting to the southwest in the afternoon. * Mixing Height.........500-2000 ft agl increasing to 5000 ft agl in the afternoon. * Transport Winds.......East around 25 mph increasing to southwest around 35 mph in the afternoon. * CWR...................10 percent. .TONIGHT... * Sky/Weather...........Mostly cloudy. Chance of showers and slight chance of thunderstorms. * Chance Lightning.......20 percent. * Min Temperature.......39-45. 24 hr trend......4 degrees down. * Max Humidity..........74-84 percent. 24 hr trend......11 percent up. * Wind (20 FT). Lower Elevations...Northwest winds 15 to 20 mph. Ridges.............Northwest winds 15 to 20 mph. * Mixing Height.........2500-4000 ft agl decreasing to 1000-2000 ft agl early in the evening. * Transport Winds.......Northwest 20 to 25 mph. * CWR...................20 percent. .SUNDAY... * Sky/Weather...........Cloudy then becoming partly sunny. Chance of snow showers in the morning. Showers likely through the day. Slight chance of thunderstorms in the afternoon. * Chance Lightning.......20 percent. * Max Temperature.......51-58...43-53 higher elevations. 24 hr trend......19 degrees down. * Min Humidity..........53-63 percent. 24 hr trend......17 percent up...25 percent up higher elevations. * Wind (20 FT). Lower Elevations...West winds 15 to 20 mph. Ridges.............West winds 15 to 20 mph. * Mixing Height.........2000-3500 ft agl increasing to 7000-8000 ft agl. * Transport Winds.......Northwest around 25 mph increasing to west around 35 mph in the afternoon. * CWR...................40 percent. .FORECAST DAYS 3 THROUGH 7...... .MONDAY...Warmer, windy. Partly cloudy. Chance of rain and snow showers. Lows in the mid 30s. Highs in the mid 60s. Southwest winds around 25 mph. .TUESDAY...Mostly cloudy. Showers likely and chance of thunderstorms. Lows in the mid 40s. Highs in the mid 60s. Southwest winds 20 to 25 mph. .WEDNESDAY...Windy. Mostly cloudy with showers likely and chance of thunderstorms. Lows in the lower 40s. Highs in the mid 50s. West winds around 30 mph. .THURSDAY...Mostly cloudy with showers likely and chance of thunderstorms. Lows in the upper 30s. Highs in the mid 50s. .FRIDAY...Mostly cloudy. Chance of showers and thunderstorms. Lows in the upper 30s. Highs in the mid 50s. $$ weather.gov/greatfalls