Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
058
FNUS55 KTFX 201020
FWFTFX
Fire Weather Planning Forecast for North-Central Montana
National Weather Service Great Falls MT
320 AM MST Thu Nov 20 2025
.DISCUSSION...
After some patchy morning fog, drier conditions and light winds
are expected for the remainder of today. Stronger westerly flow
aloft will bring breezy to windy conditions, strongest along the
Rocky Mountain Front where gusts will exceed 60 mph at times. A
strong cold front will bring widespread windy conditions Monday
into Tuesday with accumulating snow along the Rocky Mountain
Front. Colder temperatures and periods of light snow are still
expected heading into Thanksgiving.
MTZ112-202315-
Eastern Glacier/Toole/Central/Eastern Pondera/Liberty-
320 AM MST Thu Nov 20 2025
.TODAY...
* Sky/Weather...........Mostly sunny. Patchy fog in the morning.
* Chance Lightning.......0 percent.
* Max Temperature.......42-49.
24 hr trend......2 degrees down...3 degrees up higher
elevations.
* Min Humidity..........50-60 percent.
24 hr trend......8 percent up...16 percent up higher elevations.
* Wind (20 FT).
Lower Elevations...South winds 10 to 15 mph.
Ridges.............South winds 10 to 15 mph.
* Mixing Height.........500-1500 ft agl increasing to 1000-2500 ft
agl in the afternoon.
* Transport Winds.......South 15 to 20 mph increasing to southwest
around 25 mph in the afternoon.
* CWR...................0 percent.
.TONIGHT...
* Sky/Weather...........Partly cloudy.
* Chance Lightning.......0 percent.
* Min Temperature.......24-32.
24 hr trend......11 degrees up.
* Max Humidity..........75-85 percent.
24 hr trend......1 percent down...6 percent down higher
elevations.
* Wind (20 FT).
Lower Elevations...Windy. Southwest winds 20 to 25 mph
increasing to around 30 mph after midnight.
Ridges.............Windy. Southwest winds 20 to 25 mph
increasing to around 30 mph after midnight.
* Mixing Height.........BELOW 1000 ft agl.
* Transport Winds.......West 30 to 35 mph.
* CWR...................0 percent.
.FRIDAY...
* Sky/Weather...........Mostly sunny.
* Chance Lightning.......0 percent.
* Max Temperature.......44-52...34-43 higher elevations.
24 hr trend......10 degrees up...3 degrees down higher
elevations.
* Min Humidity..........40-50 percent...53-63 percent higher
elevations.
24 hr trend......7 percent down...1 percent up higher
elevations.
* Wind (20 FT).
Lower Elevations...Windy. West winds around 30 mph.
Ridges.............Windy. West winds around 30 mph.
* Mixing Height.........500-2000 ft agl increasing to 1000-2500 ft
agl in the afternoon.
* Transport Winds.......West around 45 mph.
* CWR...................0 percent.
.FORECAST DAYS 3 THROUGH 7......
.SATURDAY...Very windy. Partly cloudy. Lows in the lower 30s.
Highs around 50. West winds around 35 mph.
.SUNDAY...Mostly cloudy. Lows in the lower 30s. Highs in the
lower 50s. Southwest winds 20 to 25 mph.
.MONDAY...Windy. Mostly cloudy. Chance of snow and rain. Lows in
the lower 30s. Highs in the mid 40s. Southwest winds around
30 mph.
.TUESDAY...Colder. Mostly cloudy. Chance of snow. Lows around 19.
Highs around 30.
.WEDNESDAY...Partly cloudy. Lows around 12. Highs around 30.
$$
MTZ113-202315-
Hill and Blaine Counties-
320 AM MST Thu Nov 20 2025
.TODAY...
* Sky/Weather...........Sunny. Patchy fog in the morning.
* Chance Lightning.......0 percent.
* Max Temperature.......41-47.
24 hr trend......Unchanged...6 degrees up higher elevations.
* Min Humidity..........54-64 percent.
24 hr trend......9 percent up.
* Wind (20 FT).
Lower Elevations...Southeast winds around 5 mph.
Ridges.............South winds around 5 mph shifting to the
southwest in the afternoon.
* Mixing Height.........500-1500 ft agl.
* Transport Winds.......Southeast 15 to 20 mph.
* CWR...................0 percent.
.TONIGHT...
* Sky/Weather...........Partly cloudy.
* Chance Lightning.......0 percent.
* Min Temperature.......21-31.
24 hr trend......9 degrees up.
* Max Humidity..........82-92 percent.
24 hr trend......Unchanged.
* Wind (20 FT).
Lower Elevations...Southwest winds 10 to 15 mph.
Ridges.............Southwest winds 10 to 15 mph.
* Mixing Height.........BELOW 1000 ft agl.
* Transport Winds.......Southwest 15 to 20 mph.
* CWR...................0 percent.
.FRIDAY...
* Sky/Weather...........Mostly sunny.
* Chance Lightning.......0 percent.
* Max Temperature.......46-52.
24 hr trend......7 degrees up...2 degrees up higher elevations.
* Min Humidity..........44-54 percent.
24 hr trend......18 percent down...8 percent down higher
elevations.
* Wind (20 FT).
Lower Elevations...West winds 15 to 20 mph.
Ridges.............West winds 10 to 15 mph.
* Mixing Height.........500-2000 ft agl increasing to 1000-2500 ft
agl early in the afternoon.
* Transport Winds.......West around 25 mph.
* CWR...................0 percent.
.FORECAST DAYS 3 THROUGH 7......
.SATURDAY...Partly cloudy. Lows around 30. Highs in the lower
50s. West winds 20 to 25 mph.
.SUNDAY...Partly cloudy. Lows around 30. Highs in the lower 50s.
Southwest winds 10 to 15 mph.
.MONDAY...Mostly cloudy. Chance of rain and snow. Lows in the
lower 30s. Highs around 50. West winds 20 to 25 mph.
.TUESDAY...Colder. Mostly cloudy. Chance of snow. Lows around 20.
Highs in the lower 30s.
.WEDNESDAY...Partly cloudy. Lows around 11. Highs in the upper
20s.
$$
MTZ114-202315-
Lewis and Clark National Forest Rocky Mountain District-
Rocky Mountain Front-
320 AM MST Thu Nov 20 2025
.TODAY...
* Sky/Weather...........Mostly sunny. Patchy fog in the morning.
* Chance Lightning.......0 percent.
* Max Temperature.......48-53...35-45 higher elevations.
24 hr trend......9 degrees up.
* Min Humidity..........45-54 percent...63-73 percent higher
elevations.
24 hr trend......23 percent down...5 percent down higher
elevations.
* 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 3500 ft agl
early in the afternoon, then decreasing to 1000-1500 ft agl late
in the afternoon.
* Transport Winds.......Southwest 15 to 20 mph increasing to around
25 mph in the afternoon.
* CWR...................0 percent.
.TONIGHT...
* Sky/Weather...........Partly cloudy.
* Chance Lightning.......0 percent.
* Min Temperature.......26-33.
24 hr trend......11 degrees up.
* Max Humidity..........74-84 percent.
24 hr trend......8 percent down...2 percent down higher
elevations.
* Wind (20 FT).
Lower Elevations...Southwest winds 20 to 30 mph.
Ridges.............Windy. Southwest winds 20 to 30 mph.
* Mixing Height.........1000 ft agl.
* Transport Winds.......West 30 to 35 mph.
* CWR...................0 percent.
.FRIDAY...
* Sky/Weather...........Mostly sunny. Slight chance of snow in the
morning.
* Chance Lightning.......0 percent.
* Max Temperature.......44-53...30-40 higher elevations.
24 hr trend......Unchanged...5 degrees down higher elevations.
* Min Humidity..........39-49 percent...63-73 percent higher
elevations.
24 hr trend......9 percent down...3 percent up higher
elevations.
* Wind (20 FT).
Lower Elevations...Windy. Southwest winds 25 to 30 mph.
Ridges.............Windy. Southwest winds 25 to 30 mph.
* Mixing Height.........1000-2500 ft agl increasing to 1500-3000 ft
agl in the afternoon, then decreasing to 1000 ft agl late in the
afternoon.
* Transport Winds.......West 40 to 45 mph.
* CWR...................0 percent.
.FORECAST DAYS 3 THROUGH 7......
.SATURDAY...Very windy. Mostly cloudy. Slight chance of snow.
Lows in the lower 30s. Highs in the upper 40s. Southwest winds
around 35 mph.
.SUNDAY...Windy. Mostly cloudy. Chance of snow and slight chance
of rain. Lows in the lower 30s. Highs around 50. Southwest winds
around 25 mph.
.MONDAY...Very windy. Mostly cloudy. Chance of snow and rain.
Lows in the mid 30s. Highs in the lower 40s. Southwest winds
around 35 mph.
.TUESDAY...Colder. Mostly cloudy. Chance of snow. Lows around 19.
Highs in the upper 20s.
.WEDNESDAY...Partly cloudy. Chance of snow. Lows around 13. Highs
in the upper 20s.
$$
MTZ115-202315-
Chouteau and Fergus Counties-
320 AM MST Thu Nov 20 2025
.TODAY...
* Sky/Weather...........Mostly sunny. Patchy fog in the morning.
* Chance Lightning.......0 percent.
* Max Temperature.......45-52.
24 hr trend......3 degrees up...10 degrees up higher elevations.
* Min Humidity..........48-58 percent.
24 hr trend......3 percent down...9 percent down higher
elevations.
* Wind (20 FT).
Lower Elevations...Southeast winds 5 to 10 mph.
Ridges.............Southeast winds 5 to 10 mph.
* Mixing Height.........500-2000 ft agl.
* Transport Winds.......South 15 to 20 mph.
* CWR...................0 percent.
.TONIGHT...
* Sky/Weather...........Partly cloudy.
* Chance Lightning.......0 percent.
* Min Temperature.......25-32.
24 hr trend......5 degrees up.
* Max Humidity..........75-85 percent...65-75 percent higher
elevations.
24 hr trend......10 percent down...17 percent down higher
elevations.
* Wind (20 FT).
Lower Elevations...Southwest winds 10 to 15 mph.
Ridges.............Southwest winds 10 to 15 mph.
* Mixing Height.........BELOW 1000 ft agl.
* Transport Winds.......Southwest 15 to 20 mph.
* CWR...................0 percent.
.FRIDAY...
* Sky/Weather...........Mostly sunny.
* Chance Lightning.......0 percent.
* Max Temperature.......51-56...44-52 higher elevations.
24 hr trend......7 degrees up.
* Min Humidity..........35-45 percent.
24 hr trend......11 percent down.
* Wind (20 FT).
Lower Elevations...West winds 15 to 20 mph.
Ridges.............West winds 15 to 20 mph.
* Mixing Height.........500-1500 ft agl increasing to 2500-3500 ft
agl late in the morning, then decreasing to 1000-1500 ft agl late
in the afternoon.
* Transport Winds.......West around 30 mph.
* CWR...................0 percent.
.FORECAST DAYS 3 THROUGH 7......
.SATURDAY...Partly cloudy. Lows in the lower 30s. Highs in the
mid 50s. West winds 20 to 25 mph.
.SUNDAY...Partly cloudy. Lows in the lower 30s. Highs in the
upper 50s. Southwest winds 15 to 20 mph.
.MONDAY...Mostly cloudy. Chance of rain and snow. Lows in the mid
30s. Highs in the lower 50s. Southwest winds 20 to 25 mph.
.TUESDAY...Colder. Mostly cloudy. Chance of snow and rain. Lows
in the lower 20s. Highs in the lower 30s.
.WEDNESDAY...Partly cloudy. Lows around 14. Highs in the lower
30s.
$$
MTZ116-118-202315-
Lincoln Ranger District of the Helena National Forest-
Helena and Townsend Ranger Districts of the Helena National
Forest-
320 AM MST Thu Nov 20 2025
.TODAY...
* Sky/Weather...........Mostly sunny. Patchy fog in the morning.
* Chance Lightning.......0 percent.
* Max Temperature.......44-49...36-44 higher elevations.
24 hr trend......3 degrees up.
* Min Humidity..........60-70 percent.
24 hr trend......7 percent down...14 percent down higher
elevations.
* Wind (20 FT).
Lower Elevations...South winds 10 to 15 mph.
Ridges.............South winds 10 to 15 mph.
* Mixing Height.........1000-2500 ft agl increasing to 1500-3000 ft
agl in the afternoon, then decreasing to 1000 ft agl late in the
afternoon.
* Transport Winds.......South 15 to 20 mph.
* CWR...................0 percent.
.TONIGHT...
* Sky/Weather...........Partly cloudy.
* Chance Lightning.......0 percent.
* Min Temperature.......25-30.
24 hr trend......1 degree up.
* Max Humidity..........85-95 percent.
24 hr trend......Unchanged.
* Wind (20 FT).
Lower Elevations...Southwest winds 15 to 20 mph.
Ridges.............Southwest winds 15 to 20 mph.
* Mixing Height.........1000 ft agl.
* Transport Winds.......Southwest 15 to 20 mph increasing to west
around 25 mph after midnight.
* CWR...................0 percent.
.FRIDAY...
* Sky/Weather...........Mostly sunny.
* Chance Lightning.......0 percent.
* Max Temperature.......42-49...32-42 higher elevations.
24 hr trend......2 degrees up...3 degrees down higher
elevations.
* Min Humidity..........50-60 percent...61-71 percent higher
elevations.
24 hr trend......4 percent down.
* Wind (20 FT).
Lower Elevations...Southwest winds 15 to 20 mph.
Ridges.............Southwest winds 15 to 20 mph.
* Mixing Height.........1000-2500 ft agl increasing to 1500-3000 ft
agl in the afternoon.
* Transport Winds.......Southwest 30 to 35 mph.
* CWR...................0 percent.
.FORECAST DAYS 3 THROUGH 7......
.SATURDAY...Windy. Partly cloudy. Lows in the upper 20s. Highs in
the mid 40s. Southwest winds around 25 mph.
.SUNDAY...Partly cloudy. Lows in the upper 20s. Highs in the
upper 40s. Southwest winds 15 to 20 mph.
.MONDAY...Windy. Mostly cloudy. Chance of snow and rain. Lows in
the lower 30s. Highs in the lower 40s. Southwest winds around
25 mph.
.TUESDAY...Colder. Mostly cloudy. Chance of snow. Lows around 20.
Highs in the upper 20s.
.WEDNESDAY...Partly cloudy. Slight chance of snow. Lows around
14. Highs in the upper 20s.
$$
MTZ117-202315-
Central and Eastern Lewis and Clark National Forest Areas-
320 AM MST Thu Nov 20 2025
.TODAY...
* Sky/Weather...........Mostly sunny. Patchy fog in the morning.
* Chance Lightning.......0 percent.
* Max Temperature.......47-54...39-49 higher elevations.
24 hr trend......9 degrees up.
* Min Humidity..........48-58 percent.
24 hr trend......11 percent down...27 percent down higher
elevations.
* Wind (20 FT).
Lower Elevations...Southwest winds 10 to 15 mph.
Ridges.............Southwest winds 10 to 15 mph.
* Mixing Height.........1000-2000 ft agl increasing to 3000-3500 ft
agl early in the afternoon, then decreasing to 1000 ft agl late
in the afternoon.
* Transport Winds.......Southwest 15 to 20 mph.
* CWR...................0 percent.
.TONIGHT...
* Sky/Weather...........Mostly clear.
* Chance Lightning.......0 percent.
* Min Temperature.......25-34.
24 hr trend......7 degrees up.
* Max Humidity..........75-85 percent.
24 hr trend......25 percent down.
* Wind (20 FT).
Lower Elevations...Southwest winds 15 to 20 mph.
Ridges.............Southwest winds 15 to 20 mph.
* Mixing Height.........1000 ft agl.
* Transport Winds.......Southwest 15 to 20 mph increasing to around
25 mph after midnight.
* CWR...................0 percent.
.FRIDAY...
* Sky/Weather...........Mostly sunny.
* Chance Lightning.......0 percent.
* Max Temperature.......44-54...38-48 higher elevations.
24 hr trend......Unchanged.
* Min Humidity..........40-50 percent.
24 hr trend......9 percent down...4 percent up higher
elevations.
* Wind (20 FT).
Lower Elevations...Southwest winds 15 to 20 mph.
Ridges.............Southwest winds 15 to 20 mph.
* Mixing Height.........1000-2500 ft agl increasing to 2000-3500 ft
agl in the afternoon, then decreasing to 1500 ft agl late in the
afternoon.
* Transport Winds.......West around 30 mph.
* CWR...................0 percent.
.FORECAST DAYS 3 THROUGH 7......
.SATURDAY...Windy. Partly cloudy. Lows in the lower 30s. Highs in
the upper 40s. Southwest winds around 25 mph.
.SUNDAY...Partly cloudy. Lows in the lower 30s. Highs in the
lower 50s. Southwest winds 20 to 25 mph.
.MONDAY...Windy. Mostly cloudy. Chance of snow and slight chance
of rain. Lows in the mid 30s. Highs in the mid 40s. Southwest
winds around 25 mph.
.TUESDAY...Colder. Mostly cloudy. Chance of snow. Lows around 19.
Highs in the upper 20s.
.WEDNESDAY...Partly cloudy. Slight chance of snow. Lows around
13. Highs in the upper 20s.
$$
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