Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
281
FNUS55 KTFX 040909
FWFTFX
Fire Weather Planning Forecast for North-Central Montana
National Weather Service Great Falls MT
309 AM MDT Thu Sep 4 2025
.DISCUSSION...
Gusty north winds develop this morning with the passage of a
mainly dry cold front moving south across the area. A cooler
airmass with improved humidity moves in behind the front today and
lingers through Friday before a warming trend re-develops this
weekend.
MTZ112-042230-
Eastern Glacier/Toole/Central/Eastern Pondera/Liberty-
309 AM MDT Thu Sep 4 2025
.TODAY...
* Sky/Weather...........Mostly sunny. Haze and areas of smoke in
the morning.
* Chance Lightning.......0 percent.
* Max Temperature.......62-69...55-60 higher elevations.
24 hr trend......19 degrees down...24 degrees down higher
elevations.
* Min Humidity..........32-42 percent...41-51 percent higher
elevations.
24 hr trend......8 percent up...26 percent up higher elevations.
* Wind (20 FT).
Lower Elevations...Windy. North winds 20 to 25 mph.
Ridges.............Windy. North winds 20 to 25 mph.
* Mixing Height.........1000-2000 ft agl increasing to 5000-6500 ft
agl.
* Transport Winds.......North 30 to 35 mph.
* CWR...................0 percent.
.TONIGHT...
* Sky/Weather...........Mostly clear.
* Chance Lightning.......0 percent.
* Min Temperature.......37-42.
24 hr trend......17 degrees down.
* Max Humidity..........72-82 percent.
24 hr trend......9 percent up...20 percent down higher
elevations.
* Wind (20 FT).
Lower Elevations...North winds 15 to 20 mph becoming northwest
around 5 mph after midnight.
Ridges.............North winds 15 to 20 mph becoming northeast
around 5 mph after midnight.
* Mixing Height.........5500-6500 ft agl decreasing to 500-1000 ft
agl early in the evening.
* Transport Winds.......North 20 to 25 mph becoming northeast 10 to
15 mph after midnight.
* CWR...................0 percent.
.FRIDAY...
* Sky/Weather...........Sunny.
* Chance Lightning.......0 percent.
* Max Temperature.......67-72...61-68 higher elevations.
24 hr trend......2 degrees up...9 degrees up higher elevations.
* Min Humidity..........22-28 percent.
24 hr trend......9 percent down...24 percent down higher
elevations.
* Wind (20 FT).
Lower Elevations...Southeast winds 5 to 10 mph.
Ridges.............Southeast winds 5 to 10 mph.
* Mixing Height.........500-1000 ft agl increasing to 4500-5500 ft
agl.
* Transport Winds.......Southeast 10 to 15 mph shifting to the east
in the afternoon.
* CWR...................0 percent.
.FORECAST DAYS 3 THROUGH 7......
.SATURDAY...Mostly clear. Lows around 40. Highs in the mid 70s.
Southeast winds 15 to 20 mph.
.SUNDAY...Partly cloudy. Lows in the mid 40s. Highs in the lower
80s. Southeast winds 10 to 15 mph.
.MONDAY...Partly cloudy. Slight chance of showers. Lows in the
lower 50s. Highs around 80. Southwest winds 15 to 20 mph.
.TUESDAY...Mostly cloudy. Chance of showers. Lows in the lower
50s. Highs in the mid 70s.
.WEDNESDAY...Mostly cloudy. Chance of showers and slight chance
of thunderstorms. Lows in the upper 40s. Highs around 70.
$$
MTZ113-042230-
Hill and Blaine Counties-
309 AM MDT Thu Sep 4 2025
.TODAY...
* Sky/Weather...........Mostly sunny. Haze and areas of smoke in
the morning.
* Chance Lightning.......0 percent.
* Max Temperature.......64-69...57-62 higher elevations.
24 hr trend......12 degrees down.
* Min Humidity..........32-41 percent.
24 hr trend......9 percent down.
* Wind (20 FT).
Lower Elevations...Windy. North winds around 25 mph.
Ridges.............Windy. North winds 20 to 25 mph.
* Mixing Height.........1000-2500 ft agl increasing to 5500-7000 ft
agl.
* Transport Winds.......North around 35 mph.
* CWR...................0 percent.
.TONIGHT...
* Sky/Weather...........Mostly clear.
* Chance Lightning.......0 percent.
* Min Temperature.......36-42.
24 hr trend......18 degrees down.
* Max Humidity..........81-91 percent.
24 hr trend......29 percent up...7 percent up higher elevations.
* Wind (20 FT).
Lower Elevations...Windy. North winds around 25 mph becoming
northwest 10 to 15 mph after midnight.
Ridges.............North winds 10 to 15 mph.
* Mixing Height.........5500-6500 ft agl decreasing to 500-1000 ft
agl early in the evening.
* Transport Winds.......North around 30 mph decreasing to 15 to 20
mph after midnight.
* CWR...................0 percent.
.FRIDAY...
* Sky/Weather...........Sunny.
* Chance Lightning.......0 percent.
* Max Temperature.......64-69...57-63 higher elevations.
24 hr trend......2 degrees up.
* Min Humidity..........26-36 percent.
24 hr trend......5 percent down.
* Wind (20 FT).
Lower Elevations...North winds around 5 mph.
Ridges.............North winds around 5 mph.
* Mixing Height.........500-2000 ft agl increasing to 5000-6000 ft
agl.
* Transport Winds.......North 15 to 20 mph.
* CWR...................0 percent.
.FORECAST DAYS 3 THROUGH 7......
.SATURDAY...Mostly clear. Lows in the upper 30s. Highs in the
lower 70s. East winds 10 to 15 mph.
.SUNDAY...Mostly clear. Lows in the lower 40s. Highs in the upper
70s. Southeast winds 15 to 20 mph.
.MONDAY...Partly cloudy. Lows around 50. Highs in the lower 80s.
Southwest winds 10 to 15 mph.
.TUESDAY...Mostly cloudy. Slight chance of showers. Lows in the
lower 50s. Highs in the upper 70s.
.WEDNESDAY...Mostly cloudy. Chance of showers and slight chance
of thunderstorms. Lows in the lower 50s. Highs in the lower 70s.
$$
MTZ114-042230-
Lewis and Clark National Forest Rocky Mountain District-
Rocky Mountain Front-
309 AM MDT Thu Sep 4 2025
.TODAY...
* Sky/Weather...........Mostly sunny. Haze and areas of smoke in
the morning.
* Chance Lightning.......0 percent.
* Max Temperature.......64-69...51-61 higher elevations.
24 hr trend......22 degrees down.
* Min Humidity..........37-47 percent...52-62 percent higher
elevations.
24 hr trend......18 percent up...31 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.........1000-1500 ft agl increasing to 5500-6000 ft
agl.
* Transport Winds.......North 25 to 30 mph.
* CWR...................0 percent.
.TONIGHT...
* Sky/Weather...........Partly cloudy.
* Chance Lightning.......0 percent.
* Min Temperature.......36-42.
24 hr trend......16 degrees down.
* Max Humidity..........70-80 percent.
24 hr trend......4 percent up.
* Wind (20 FT).
Lower Elevations...Northeast winds 15 to 20 mph becoming
northwest around 5 mph after midnight.
Ridges.............East winds 10 to 15 mph.
* Mixing Height.........5000-6000 ft agl decreasing to 1000-1500 ft
agl early in the evening.
* Transport Winds.......Northeast 15 to 20 mph.
* CWR...................0 percent.
.FRIDAY...
* Sky/Weather...........Sunny.
* Chance Lightning.......0 percent.
* Max Temperature.......69-74...58-68 higher elevations.
24 hr trend......5 degrees up.
* Min Humidity..........20-26 percent...26-35 percent higher
elevations.
24 hr trend......19 percent down...27 percent down higher
elevations.
* Wind (20 FT).
Lower Elevations...Southwest 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.
* Transport Winds.......East 10 to 15 mph.
* CWR...................0 percent.
.FORECAST DAYS 3 THROUGH 7......
.SATURDAY...Mostly clear. Lows in the lower 40s. Highs in the mid
70s. Southeast winds 10 to 15 mph.
.SUNDAY...Partly cloudy. Lows in the upper 40s. Highs in the
upper 70s. Southwest winds 10 to 15 mph.
.MONDAY...Mostly cloudy. Slight chance of showers. Lows in the
lower 50s. Highs in the upper 70s. West winds 15 to 20 mph.
.TUESDAY...Mostly cloudy. Chance of showers and slight chance of
thunderstorms. Lows around 50. Highs around 70.
.WEDNESDAY...Mostly cloudy. Chance of showers and slight chance
of thunderstorms. Lows in the upper 40s. Highs in the upper 60s.
$$
MTZ115-042230-
Chouteau and Fergus Counties-
309 AM MDT Thu Sep 4 2025
.TODAY...
* Sky/Weather...........Mostly sunny. Haze and areas of smoke in
the morning.
* Chance Lightning.......0 percent.
* Max Temperature.......65-70...57-64 higher elevations.
24 hr trend......14 degrees down.
* Min Humidity..........30-37 percent.
24 hr trend......7 percent down...1 percent down higher
elevations.
* Wind (20 FT).
Lower Elevations...Windy. Northwest winds around 25 mph.
Ridges.............Northwest winds 15 to 25 mph.
* Mixing Height.........500-1500 ft agl increasing to 7000 ft agl.
* Transport Winds.......North around 35 mph.
* CWR...................0 percent.
.TONIGHT...
* Sky/Weather...........Mostly clear.
* Chance Lightning.......0 percent.
* Min Temperature.......38-43.
24 hr trend......16 degrees down.
* Max Humidity..........69-79 percent.
24 hr trend......5 percent up...unchanged higher elevations.
* Wind (20 FT).
Lower Elevations...North winds 20 to 25 mph becoming west 10
to 15 mph after midnight.
Ridges.............North winds 15 to 20 mph decreasing to
around 5 mph after midnight.
* Mixing Height.........5500-7000 ft agl decreasing to 500-1000 ft
agl early in the evening.
* Transport Winds.......North around 25 mph decreasing to 15 to 20
mph after midnight.
* CWR...................0 percent.
.FRIDAY...
* Sky/Weather...........Sunny.
* Chance Lightning.......0 percent.
* Max Temperature.......66-71...58-64 higher elevations.
24 hr trend......2 degrees up.
* Min Humidity..........22-28 percent.
24 hr trend......8 percent down.
* Wind (20 FT).
Lower Elevations...West winds around 5 mph shifting to the
north in the afternoon.
Ridges.............West winds around 5 mph shifting to the
north in the afternoon.
* Mixing Height.........500-2000 ft agl increasing to 5500-6000 ft
agl.
* Transport Winds.......Northwest 10 to 15 mph.
* CWR...................0 percent.
.FORECAST DAYS 3 THROUGH 7......
.SATURDAY...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 lower
80s. Southeast winds 15 to 20 mph.
.MONDAY...Partly cloudy. Lows in the mid 50s. Highs in the mid
80s. Southwest winds 10 to 15 mph.
.TUESDAY...Mostly cloudy. Chance of showers. Lows in the mid 50s.
Highs in the upper 70s.
.WEDNESDAY...Mostly cloudy. Chance of showers and slight chance
of thunderstorms. Lows in the lower 50s. Highs in the mid 70s.
$$
MTZ116-118-042230-
Lincoln Ranger District of the Helena National Forest-
Helena and Townsend Ranger Districts of the Helena National
Forest-
309 AM MDT Thu Sep 4 2025
.TODAY...
* Sky/Weather...........Mostly sunny. Areas of smoke in the
morning. Haze through the day.
* Chance Lightning.......0 percent.
* Max Temperature.......65-75...56-66 higher elevations.
24 hr trend......17 degrees down.
* Min Humidity..........39-47 percent...46-56 percent higher
elevations.
24 hr trend......24 percent up...32 percent up higher
elevations.
* Wind (20 FT).
Lower Elevations...Windy. North winds around 25 mph.
Ridges.............Windy. North winds 20 to 25 mph.
* Mixing Height.........1000-2500 ft agl increasing to 4000-5500 ft
agl in the late morning and afternoon.
* Transport Winds.......North around 30 mph.
* CWR...................0 percent.
.TONIGHT...
* Sky/Weather...........Partly cloudy.
* Chance Lightning.......0 percent.
* Min Temperature.......39-44.
24 hr trend......13 degrees down.
* Max Humidity..........65-75 percent.
24 hr trend......22 percent up...4 percent up higher elevations.
* Wind (20 FT).
Lower Elevations...North winds 20 to 25 mph decreasing to 10
to 15 mph after midnight.
Ridges.............Northeast winds 15 to 20 mph.
* Mixing Height.........3500-4500 ft agl decreasing to 1000-2000 ft
agl early in the evening.
* Transport Winds.......Northeast around 30 mph decreasing to 15 to
20 mph after midnight.
* CWR...................0 percent.
.FRIDAY...
* Sky/Weather...........Sunny.
* Chance Lightning.......0 percent.
* Max Temperature.......68-75...59-68 higher elevations.
24 hr trend......1 degree up.
* Min Humidity..........19-27 percent.
24 hr trend......22 percent down...28 percent down higher
elevations.
* Wind (20 FT).
Lower Elevations...Northeast winds 5 to 10 mph.
Ridges.............Northeast winds 5 to 10 mph.
* Mixing Height.........1000-2000 ft agl increasing to 5000-5500 ft
agl.
* Transport Winds.......Northeast 10 to 15 mph.
* CWR...................0 percent.
.FORECAST DAYS 3 THROUGH 7......
.SATURDAY...Mostly clear. Lows in the mid 40s. Highs in the mid
70s. East winds 10 to 15 mph.
.SUNDAY...Partly cloudy. Lows in the upper 40s. Highs in the
upper 70s. Southeast winds 10 to 15 mph.
.MONDAY...Mostly cloudy. Slight chance of showers and
thunderstorms. Lows in the lower 50s. Highs in the mid 70s.
Southwest winds 10 to 15 mph.
.TUESDAY...Mostly cloudy. Chance of showers and slight chance of
thunderstorms. Lows around 50. Highs in the upper 60s.
.WEDNESDAY...Mostly cloudy. Chance of showers and slight chance
of thunderstorms. Lows in the upper 40s. Highs in the upper 60s.
$$
MTZ117-042230-
Central and Eastern Lewis and Clark National Forest Areas-
309 AM MDT Thu Sep 4 2025
.TODAY...
* Sky/Weather...........Mostly sunny. Areas of smoke in the
morning. Haze through the day.
* Chance Lightning.......0 percent.
* Max Temperature.......64-69...55-65 higher elevations.
24 hr trend......19 degrees down.
* Min Humidity..........36-46 percent.
24 hr trend......16 percent up...22 percent up higher
elevations.
* Wind (20 FT).
Lower Elevations...Windy. North winds around 25 mph.
Ridges.............Windy. North winds 20 to 25 mph.
* Mixing Height.........1000-1500 ft agl increasing to 5000-6500 ft
agl.
* Transport Winds.......North 30 to 35 mph.
* CWR...................0 percent.
.TONIGHT...
* Sky/Weather...........Partly cloudy.
* Chance Lightning.......0 percent.
* Min Temperature.......34-42.
24 hr trend......16 degrees down.
* Max Humidity..........68-78 percent.
24 hr trend......15 percent up...5 percent up higher elevations.
* Wind (20 FT).
Lower Elevations...North winds 20 to 25 mph becoming east
around 5 mph after midnight.
Ridges.............North winds 20 to 25 mph decreasing to 10
to 15 mph after midnight.
* Mixing Height.........5000-6000 ft agl decreasing to 1000-1500 ft
agl early in the evening.
* Transport Winds.......North around 30 mph becoming northeast 15
to 20 mph after midnight.
* CWR...................0 percent.
.FRIDAY...
* Sky/Weather...........Sunny.
* Chance Lightning.......0 percent.
* Max Temperature.......67-72...57-66 higher elevations.
24 hr trend......3 degrees up.
* Min Humidity..........19-26 percent.
24 hr trend......19 percent down.
* Wind (20 FT).
Lower Elevations...Southeast winds around 5 mph shifting to
the northeast in the afternoon.
Ridges.............North winds 5 to 10 mph.
* Mixing Height.........1000-2000 ft agl increasing to 5000-5500 ft
agl.
* Transport Winds.......North 10 to 15 mph.
* CWR...................0 percent.
.FORECAST DAYS 3 THROUGH 7......
.SATURDAY...Mostly clear. Lows around 40. Highs in the lower 70s.
Southeast winds 10 to 15 mph.
.SUNDAY...Partly cloudy. Lows in the mid 40s. Highs in the upper
70s. South winds 15 to 20 mph.
.MONDAY...Mostly cloudy. Slight chance of showers. 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...Mostly cloudy. Chance of showers and slight chance
of thunderstorms. Lows in the upper 40s. Highs in the upper 60s.
$$
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