Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
748
FNUS55 KTFX 131929
FWFTFX
Fire Weather Planning Forecast for North-Central Montana
National Weather Service Great Falls MT
129 PM MDT Wed Aug 13 2025
...Hot, dry, and windy conditions today...
.DISCUSSION...
Hot, dry, and windy conditions continue through early evening
today. Winds gusts of up to 30 to 35 mph are expected across most
fire weather zones and 40 mph along the Rocky Mountain Front. A
cold front passage late tonight and Thursday morning will shift
winds to from the west to north and northwest. Cooler conditions
settle in tomorrow for North-Central MT, while warmer temperatures
and breezy winds continue towards Southwest MT. Decent recoveries
in overnight humidities are expected over the next few days.
MTZ112-141045-
Eastern Glacier/Toole/Central/Eastern Pondera/Liberty-
129 PM MDT Wed Aug 13 2025
.TONIGHT...
* Sky/Weather...........Partly cloudy. Slight chance of showers
after midnight.
* Chance Lightning.......0 percent.
* Min Temperature.......50-55.
24 hr trend......Unchanged...7 degrees down higher elevations.
* Max Humidity..........80-90 percent.
24 hr trend......20 percent down...27 percent up higher
elevations.
* Wind (20 FT).
Lower Elevations...Windy. West winds around 25 mph becoming
northwest 15 to 20 mph after midnight.
Ridges.............Windy. West winds around 25 mph becoming
northwest 15 to 20 mph after midnight.
* Mixing Height.........8000-9500 ft agl decreasing to 1000-2000 ft
agl early in the evening.
* Transport Winds.......West around 35 mph becoming northwest
around 25 mph after midnight.
* CWR...................0 percent.
.THURSDAY...
* Sky/Weather...........Partly sunny.
* Chance Lightning.......0 percent.
* Max Temperature.......67-76...62-67 higher elevations.
24 hr trend......20 degrees down...12 degrees down higher
elevations.
* Min Humidity..........40-50 percent.
24 hr trend......24 percent up.
* Wind (20 FT).
Lower Elevations...North winds 10 to 15 mph.
Ridges.............North winds 10 to 15 mph.
* Mixing Height.........2000-3500 ft agl increasing to 6000 ft agl.
* Transport Winds.......Northwest 20 to 25 mph.
* CWR...................0 percent.
.THURSDAY NIGHT...
* Sky/Weather...........Mostly cloudy.
* Chance Lightning.......0 percent.
* Min Temperature.......49-54.
24 hr trend......1 degree down.
* Max Humidity..........72-82 percent.
24 hr trend......2 percent down...8 percent down higher
elevations.
* Wind (20 FT).
Lower Elevations...East winds 10 to 15 mph.
Ridges.............East winds 10 to 15 mph.
* Mixing Height.........4500-6000 ft agl decreasing to 500-1000 ft
agl.
* Transport Winds.......East 15 to 20 mph.
* CWR...................0 percent.
.FRIDAY...
* Sky/Weather...........Partly sunny.
* Chance Lightning.......0 percent.
* Max Temperature.......73-82...64-72 higher elevations.
24 hr trend......7 degrees up...2 degrees up higher elevations.
* Min Humidity..........28-34 percent...35-43 percent higher
elevations.
24 hr trend......12 percent down.
* Wind (20 FT).
Lower Elevations...Southeast winds 10 to 15 mph shifting to
the southwest in the afternoon.
Ridges.............Southeast winds 10 to 15 mph shifting to
the south in the afternoon.
* Mixing Height.........500-2000 ft agl increasing to 7000-7500 ft
agl.
* Transport Winds.......Southwest 25 to 30 mph.
* CWR...................0 percent.
.FORECAST DAYS 3 THROUGH 7......
.SATURDAY...Partly cloudy. Lows in the mid 50s. Highs in the
lower 80s. Southwest winds 15 to 20 mph.
.SUNDAY...Partly cloudy. Lows in the mid 50s. Highs around 80.
West winds 15 to 20 mph.
.MONDAY...Partly cloudy. Lows in the mid 50s. Highs in the lower
80s. South winds 10 to 15 mph.
.TUESDAY...Partly cloudy. Lows in the upper 50s. Highs in the mid
80s.
.WEDNESDAY...Partly cloudy. Lows in the upper 50s. Highs in the
lower 80s.
$$
MTZ113-141045-
Hill and Blaine Counties-
129 PM MDT Wed Aug 13 2025
.TONIGHT...
* Sky/Weather...........Mostly clear.
* Chance Lightning.......0 percent.
* Min Temperature.......54-59...48-55 higher elevations.
24 hr trend......Unchanged...8 degrees down higher elevations.
* Max Humidity..........72-82 percent.
24 hr trend......20 percent down...7 percent up higher
elevations.
* Wind (20 FT).
Lower Elevations...West winds 15 to 20 mph.
Ridges.............West winds 10 to 20 mph.
* Mixing Height.........11000 ft agl decreasing to 500-2000 ft agl.
* Transport Winds.......West 25 to 30 mph.
* CWR...................0 percent.
.THURSDAY...
* Sky/Weather...........Mostly sunny.
* Chance Lightning.......0 percent.
* Max Temperature.......71-77...65-70 higher elevations.
24 hr trend......20 degrees down...15 degrees down higher
elevations.
* Min Humidity..........40-50 percent.
24 hr trend......23 percent up...28 percent up higher
elevations.
* Wind (20 FT).
Lower Elevations...Northwest winds 10 to 15 mph.
Ridges.............Northwest 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...................0 percent.
.THURSDAY NIGHT...
* Sky/Weather...........Partly cloudy then becoming mostly cloudy.
* Chance Lightning.......0 percent.
* Min Temperature.......50-55.
24 hr trend......1 degree down.
* Max Humidity..........74-84 percent.
24 hr trend......2 percent down.
* Wind (20 FT).
Lower Elevations...Northeast winds 10 to 15 mph.
Ridges.............Northeast winds 10 to 15 mph.
* Mixing Height.........4000-5500 ft agl decreasing to BELOW 1000
ft agl.
* Transport Winds.......Northeast 15 to 20 mph.
* CWR...................0 percent.
.FRIDAY...
* Sky/Weather...........Partly sunny.
* Chance Lightning.......0 percent.
* Max Temperature.......77-83...72-77 higher elevations.
24 hr trend......10 degrees up.
* Min Humidity..........34-44 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 shifting to
the south in the afternoon.
* Mixing Height.........500-2000 ft agl increasing to 6500-7500 ft
agl.
* Transport Winds.......Southeast 20 to 25 mph shifting to the
south in the afternoon.
* CWR...................0 percent.
.FORECAST DAYS 3 THROUGH 7......
.SATURDAY...Mostly clear. Lows in the upper 50s. Highs in the
upper 80s. Southeast winds 10 to 15 mph.
.SUNDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the upper 50s. Highs in the lower 80s.
Northwest winds 10 to 15 mph.
.MONDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the upper 50s. Highs in the mid 80s. East
winds 10 to 15 mph.
.TUESDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows in the upper 50s. Highs in the upper 80s.
.WEDNESDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows around 60. Highs in the mid 80s.
$$
MTZ114-141045-
Lewis and Clark National Forest Rocky Mountain District-
Rocky Mountain Front-
129 PM MDT Wed Aug 13 2025
.TONIGHT...
* Sky/Weather...........Partly cloudy.
* Chance Lightning.......0 percent.
* Min Temperature.......49-54.
24 hr trend......6 degrees down.
* Max Humidity..........62-72 percent.
24 hr trend......27 percent up...2 percent up higher elevations.
* Wind (20 FT).
Lower Elevations...West winds 20 to 25 mph decreasing to 10 to
15 mph after midnight.
Ridges.............Windy. West winds around 25 mph decreasing
to 15 to 20 mph after midnight.
* Mixing Height.........9500 ft agl decreasing to 1000-2500 ft agl.
* Transport Winds.......West around 35 mph decreasing to 20 to 25
mph after midnight.
* CWR...................0 percent.
.THURSDAY...
* Sky/Weather...........Mostly sunny.
* Chance Lightning.......0 percent.
* Max Temperature.......73-81...62-72 higher elevations.
24 hr trend......12 degrees down...7 degrees down higher
elevations.
* Min Humidity..........29-39 percent.
24 hr trend......21 percent up...14 percent up higher
elevations.
* Wind (20 FT).
Lower Elevations...Northwest winds 10 to 15 mph.
Ridges.............West winds 10 to 15 mph.
* Mixing Height.........1500-3000 ft agl increasing to 8000-9000 ft
agl.
* Transport Winds.......West 20 to 25 mph.
* CWR...................0 percent.
.THURSDAY NIGHT...
* Sky/Weather...........Partly cloudy.
* Chance Lightning.......0 percent.
* Min Temperature.......47-54.
24 hr trend......Unchanged.
* Max Humidity..........70-80 percent.
24 hr trend......3 percent up...12 percent up higher elevations.
* Wind (20 FT).
Lower Elevations...North winds 10 to 15 mph.
Ridges.............West winds 15 to 20 mph shifting to the
southwest after midnight.
* Mixing Height.........8500 ft agl decreasing to 1000-2500 ft agl.
* Transport Winds.......Northwest 15 to 20 mph.
* CWR...................0 percent.
.FRIDAY...
* Sky/Weather...........Partly sunny.
* Chance Lightning.......0 percent.
* Max Temperature.......77-84...64-74 higher elevations.
24 hr trend......7 degrees up...unchanged higher elevations.
* Min Humidity..........22-29 percent...29-39 percent higher
elevations.
24 hr trend......12 percent down...2 percent down higher
elevations.
* Wind (20 FT).
Lower Elevations...Southwest winds around 5 mph increasing to
15 to 20 mph in the afternoon.
Ridges.............Southwest winds 10 to 15 mph.
* Mixing Height.........1000-2500 ft agl increasing to 8000-9500 ft
agl.
* Transport Winds.......West 25 to 30 mph.
* CWR...................0 percent.
.FORECAST DAYS 3 THROUGH 7......
.SATURDAY...Partly cloudy. Lows in the mid 50s. Highs in the
lower 80s. West winds 20 to 25 mph.
.SUNDAY...Partly cloudy. Slight chance of showers. 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 lower 80s.
Southwest winds 10 to 15 mph.
.TUESDAY...Mostly clear. Lows in the mid 50s. Highs in the mid
80s.
.WEDNESDAY...Mostly clear. Lows in the upper 50s. Highs in the
lower 80s.
$$
MTZ115-141045-
Chouteau and Fergus Counties-
129 PM MDT Wed Aug 13 2025
.TONIGHT...
* Sky/Weather...........Partly cloudy.
* Chance Lightning.......0 percent.
* Min Temperature.......55-61.
24 hr trend......6 degrees down.
* Max Humidity..........59-69 percent...46-56 percent higher
elevations.
24 hr trend......6 percent up...26 percent down higher
elevations.
* Wind (20 FT).
Lower Elevations...West winds 15 to 20 mph.
Ridges.............West winds 15 to 20 mph.
* Mixing Height.........12000 ft agl decreasing to 500-1500 ft agl.
* Transport Winds.......West 20 to 25 mph.
* CWR...................0 percent.
.THURSDAY...
* Sky/Weather...........Mostly sunny.
* Chance Lightning.......0 percent.
* Max Temperature.......76-81...68-77 higher elevations.
24 hr trend......17 degrees down...12 degrees down higher
elevations.
* Min Humidity..........34-41 percent.
24 hr trend......23 percent up.
* Wind (20 FT).
Lower Elevations...Northwest winds 10 to 15 mph.
Ridges.............Northwest 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...................0 percent.
.THURSDAY NIGHT...
* Sky/Weather...........Partly cloudy.
* Chance Lightning.......0 percent.
* Min Temperature.......53-58.
24 hr trend......1 degree down.
* Max Humidity..........70-80 percent.
24 hr trend......2 percent down...32 percent up higher
elevations.
* Wind (20 FT).
Lower Elevations...East winds 10 to 15 mph.
Ridges.............Northeast winds 10 to 15 mph shifting to
the southeast after midnight.
* Mixing Height.........4500-5000 ft agl decreasing to 500-1000 ft
agl.
* Transport Winds.......East 15 to 20 mph.
* CWR...................0 percent.
.FRIDAY...
* Sky/Weather...........Mostly sunny.
* Chance Lightning.......0 percent.
* Max Temperature.......81-86...72-79 higher elevations.
24 hr trend......8 degrees up...2 degrees up higher elevations.
* Min Humidity..........26-35 percent...36-41 percent higher
elevations.
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 8000-9000 ft
agl.
* Transport Winds.......South 20 to 25 mph shifting to the
southwest in the afternoon.
* CWR...................0 percent.
.FORECAST DAYS 3 THROUGH 7......
.SATURDAY...Mostly clear. Lows in the upper 50s. Highs in the
upper 80s. West winds 10 to 15 mph.
.SUNDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the upper 50s. Highs in the mid 80s.
Northwest winds 10 to 15 mph.
.MONDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the upper 50s. Highs in the upper 80s.
Southeast winds 10 to 15 mph.
.TUESDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows around 60. Highs in the upper 80s.
.WEDNESDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows in the lower 60s. Highs in the upper 80s.
$$
MTZ116-118-141045-
Lincoln Ranger District of the Helena National Forest-
Helena and Townsend Ranger Districts of the Helena National
Forest-
129 PM MDT Wed Aug 13 2025
.TONIGHT...
* Sky/Weather...........Partly cloudy.
* Chance Lightning.......0 percent.
* Min Temperature.......51-58.
24 hr trend......3 degrees down.
* Max Humidity..........47-57 percent.
24 hr trend......3 percent down.
* Wind (20 FT).
Lower Elevations...Northwest winds 20 to 25 mph becoming west
10 to 15 mph after midnight.
Ridges.............West winds 15 to 20 mph.
* Mixing Height.........13000 ft agl decreasing to 1000 ft agl.
* Transport Winds.......West around 30 mph decreasing to 20 to 25
mph after midnight.
* CWR...................0 percent.
.THURSDAY...
* Sky/Weather...........Sunny.
* Chance Lightning.......0 percent.
* Max Temperature.......80-90...68-78 higher elevations.
24 hr trend......5 degrees down.
* Min Humidity..........17-27 percent.
24 hr trend......2 percent up...7 percent up higher elevations.
* Wind (20 FT).
Lower Elevations...West winds 15 to 20 mph.
Ridges.............West winds 15 to 20 mph.
* Mixing Height.........1000-2500 ft agl increasing to 11500-13000
ft agl.
* Transport Winds.......West 25 to 30 mph.
* CWR...................0 percent.
.THURSDAY NIGHT...
* Sky/Weather...........Partly cloudy.
* Chance Lightning.......0 percent.
* Min Temperature.......49-55.
24 hr trend......3 degrees down.
* Max Humidity..........59-69 percent.
24 hr trend......12 percent up.
* Wind (20 FT).
Lower Elevations...Northwest winds 10 to 15 mph.
Ridges.............Northwest winds 10 to 15 mph.
* Mixing Height.........11000 ft agl decreasing to 1000-2000 ft
agl.
* Transport Winds.......Northwest around 25 mph becoming west 15 to
20 mph after midnight.
* CWR...................0 percent.
.FRIDAY...
* Sky/Weather...........Mostly sunny.
* Chance Lightning.......0 percent.
* Max Temperature.......80-89...70-80 higher elevations.
24 hr trend......Unchanged.
* Min Humidity..........17-27 percent.
24 hr trend......1 percent down.
* Wind (20 FT).
Lower Elevations...Southwest winds 10 to 15 mph.
Ridges.............Southwest winds 10 to 15 mph.
* Mixing Height.........1000-2500 ft agl increasing to 12500-13000
ft agl.
* Transport Winds.......Southwest 25 to 30 mph.
* CWR...................0 percent.
.FORECAST DAYS 3 THROUGH 7......
.SATURDAY...Mostly clear. Lows in the mid 50s. Highs in the lower
80s. West winds 10 to 15 mph.
.SUNDAY...Partly cloudy. Chance of showers. Lows in the mid 50s.
Highs around 80. West winds 10 to 15 mph.
.MONDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the lower 50s. Highs in the lower 80s.
Southwest winds 10 to 15 mph.
.TUESDAY...Mostly clear. Lows in the mid 50s. Highs in the mid
80s.
.WEDNESDAY...Mostly clear. Lows in the mid 50s. Highs in the mid
80s.
$$
MTZ117-141045-
Central and Eastern Lewis and Clark National Forest Areas-
129 PM MDT Wed Aug 13 2025
.TONIGHT...
* Sky/Weather...........Mostly clear.
* Chance Lightning.......0 percent.
* Min Temperature.......51-57.
24 hr trend......4 degrees down.
* Max Humidity..........50-60 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.........10500 ft agl decreasing to 1000-1500 ft
agl.
* Transport Winds.......West around 30 mph decreasing to 20 to 25
mph after midnight.
* CWR...................0 percent.
.THURSDAY...
* Sky/Weather...........Mostly sunny.
* Chance Lightning.......0 percent.
* Max Temperature.......77-83...69-78 higher elevations.
24 hr trend......12 degrees down.
* Min Humidity..........24-34 percent.
24 hr trend......14 percent up.
* Wind (20 FT).
Lower Elevations...Northwest winds 15 to 20 mph.
Ridges.............West winds 15 to 20 mph.
* Mixing Height.........1000-1500 ft agl increasing to 9500-10000
ft agl.
* Transport Winds.......West 20 to 25 mph increasing to around 30
mph in the afternoon.
* CWR...................0 percent.
.THURSDAY NIGHT...
* Sky/Weather...........Partly cloudy.
* Chance Lightning.......0 percent.
* Min Temperature.......48-55.
24 hr trend......3 degrees down.
* Max Humidity..........70-80 percent.
24 hr trend......26 percent up.
* Wind (20 FT).
Lower Elevations...Northeast winds 15 to 20 mph shifting to
the southeast after midnight.
Ridges.............Northeast winds 15 to 20 mph shifting to
the southeast after midnight.
* Mixing Height.........8500 ft agl decreasing to 500-2000 ft agl.
* Transport Winds.......Northeast 20 to 25 mph shifting to the
southeast after midnight.
* CWR...................0 percent.
.FRIDAY...
* Sky/Weather...........Mostly sunny.
* Chance Lightning.......0 percent.
* Max Temperature.......80-87...70-80 higher elevations.
24 hr trend......2 degrees up.
* Min Humidity..........22-32 percent.
24 hr trend......10 percent down...4 percent down higher
elevations.
* Wind (20 FT).
Lower Elevations...South winds around 5 mph shifting to the
west in the afternoon.
Ridges.............Southwest winds 10 to 15 mph.
* Mixing Height.........1000-2000 ft agl increasing to 9500-10500
ft agl.
* Transport Winds.......Southwest 15 to 20 mph increasing to west
around 30 mph in the afternoon.
* CWR...................0 percent.
.FORECAST DAYS 3 THROUGH 7......
.SATURDAY...Mostly clear. Lows in the mid 50s. Highs in the mid
80s. Southwest winds 10 to 15 mph.
.SUNDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the mid 50s. Highs around 80. West winds
10 to 15 mph.
.MONDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the mid 50s. Highs in the lower 80s. South
winds 10 to 15 mph.
.TUESDAY...Mostly clear. Lows in the mid 50s. Highs in the mid
80s.
.WEDNESDAY...Mostly clear. Lows in the upper 50s. Highs in the
mid 80s.
$$
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