Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
949
FNUS55 KTFX 130936
FWFTFX
Fire Weather Planning Forecast for North-Central Montana
National Weather Service Great Falls MT
336 AM MDT Sun Sep 13 2026
.DISCUSSION...
It will be a bit warmer today, with afternoon showers and
thunderstorms. It turns cooler tonight, with showers ending on
Monday. It will be windy at times today and Monday. Generally dry
conditions expected Tue thru Thu, with the next chance for
showers over the southern districts come Friday. It is looking
drier/warmer for next weekend. Brusda
MTZ112-132300-
Eastern Glacier/Toole/Central/Eastern Pondera/Liberty-
336 AM MDT Sun Sep 13 2026
.TODAY...
* Sky/Weather...........Partly sunny. Chance of showers in the
afternoon.
* Chance Lightning.......0 percent.
* Max Temperature.......56-66...47-57 higher elevations.
24 hr trend......7 degrees up...unchanged higher elevations.
* Min Humidity..........54-64 percent...68-78 percent higher
elevations.
24 hr trend......11 percent down...5 percent up higher
elevations.
* Wind (20 FT).
Lower Elevations...Southeast winds 15 to 20 mph.
Ridges.............Southeast winds 15 to 20 mph.
* Mixing Height.........500-2000 ft agl increasing to 5000 ft agl.
* Transport Winds.......Southeast around 30 mph.
* CWR...................0 percent.
.TONIGHT...
* Sky/Weather...........Mostly cloudy. Chance of showers in the
evening.
* Chance Lightning.......0 percent.
* Min Temperature.......38-44.
24 hr trend......3 degrees up.
* Max Humidity..........77-87 percent.
24 hr trend......9 percent down.
* Wind (20 FT).
Lower Elevations...Windy. West winds 20 to 25 mph increasing
to southwest around 30 mph after midnight.
Ridges.............Windy. West winds around 25 mph.
* Mixing Height.........2000-3500 ft agl decreasing to 500-1000 ft
agl early in the evening.
* Transport Winds.......West around 30 mph increasing to around 40
mph after midnight.
* CWR...................10 percent.
.MONDAY...
* Sky/Weather...........Mostly cloudy. Chance of showers.
* Chance Lightning.......0 percent.
* Max Temperature.......54-60...47-52 higher elevations.
24 hr trend......8 degrees down...2 degrees up higher
elevations.
* Min Humidity..........59-69 percent...71-81 percent higher
elevations.
24 hr trend......2 percent up...11 percent down higher
elevations.
* Wind (20 FT).
Lower Elevations...Windy. Northwest winds 25 to 30 mph.
Ridges.............Windy. Northwest winds 20 to 30 mph.
* Mixing Height.........1000-2500 ft agl increasing to 3500-5000 ft
agl in the late morning and afternoon.
* Transport Winds.......West around 45 mph becoming northwest
around 35 mph in the afternoon.
* CWR...................10 percent.
.FORECAST DAYS 3 THROUGH 7......
.TUESDAY...Mostly cloudy with slight chance of showers. Lows
around 40. Highs in the upper 50s. Southwest winds 15 to 20 mph.
.WEDNESDAY...Mostly cloudy. Chance of showers. Lows in the lower
40s. Highs around 60. North winds 10 to 15 mph.
.THURSDAY...Mostly clear. Lows in the lower 40s. Highs in the mid
60s. Southwest winds 15 to 20 mph.
.FRIDAY...Mostly clear. Lows in the lower 40s. Highs in the upper
60s.
.SATURDAY...Mostly clear. Lows in the mid 40s. Highs in the lower
70s.
$$
MTZ113-132300-
Hill and Blaine Counties-
336 AM MDT Sun Sep 13 2026
.TODAY...
* Sky/Weather...........Mostly sunny.
* Chance Lightning.......0 percent.
* Max Temperature.......65-70...58-63 higher elevations.
24 hr trend......7 degrees up.
* Min Humidity..........38-46 percent...46-56 percent higher
elevations.
24 hr trend......3 percent up...21 percent down higher
elevations.
* Wind (20 FT).
Lower Elevations...Southeast winds 20 to 25 mph.
Ridges.............Southeast winds 20 to 25 mph.
* Mixing Height.........500-2000 ft agl increasing to 5000 ft agl.
* Transport Winds.......Southeast 30 to 35 mph.
* CWR...................0 percent.
.TONIGHT...
* Sky/Weather...........Mostly cloudy. Chance of showers.
* Chance Lightning.......0 percent.
* Min Temperature.......43-48...36-44 higher elevations.
24 hr trend......3 degrees up.
* Max Humidity..........82-92 percent.
24 hr trend......2 percent up...8 percent up higher elevations.
* Wind (20 FT).
Lower Elevations...Northeast winds 15 to 20 mph shifting to
the west after midnight.
Ridges.............South winds 15 to 20 mph shifting to the
west after midnight.
* Mixing Height.........4000 ft agl decreasing to 500-1500 ft agl.
* Transport Winds.......East around 25 mph shifting to the west
after midnight.
* CWR...................20 percent.
.MONDAY...
* Sky/Weather...........Partly sunny. Chance of showers.
* Chance Lightning.......0 percent.
* Max Temperature.......56-61...47-52 higher elevations.
24 hr trend......9 degrees down.
* Min Humidity..........57-67 percent...74-84 percent higher
elevations.
24 hr trend......22 percent up...29 percent up higher
elevations.
* Wind (20 FT).
Lower Elevations...Windy. West winds around 25 mph.
Ridges.............West winds 20 to 25 mph.
* Mixing Height.........1000-2000 ft agl increasing to 4500-5500 ft
agl.
* Transport Winds.......West around 30 mph increasing to northwest
around 40 mph in the afternoon.
* CWR...................10 percent.
.FORECAST DAYS 3 THROUGH 7......
.TUESDAY...Mostly cloudy. Lows in the upper 30s. Highs in the
lower 60s. Northwest winds 20 to 25 mph.
.WEDNESDAY...Mostly cloudy. Chance of showers. Lows in the lower
40s. Highs in the mid 60s. Northeast winds 15 to 20 mph.
.THURSDAY...Mostly clear. Lows in the lower 40s. Highs around 70.
South winds around 5 mph.
.FRIDAY...Mostly clear. Lows in the mid 40s. Highs in the lower
70s.
.SATURDAY...Mostly clear. Lows in the mid 40s. Highs in the mid
70s.
$$
MTZ114-132300-
Lewis and Clark National Forest Rocky Mountain District-
Rocky Mountain Front-
336 AM MDT Sun Sep 13 2026
.TODAY...
* Sky/Weather...........Partly sunny. Chance of showers and slight
chance of thunderstorms in the afternoon.
* Chance Lightning.......20 percent.
* Max Temperature.......58-66...47-57 higher elevations.
24 hr trend......6 degrees up.
* Min Humidity..........51-61 percent...71-81 percent higher
elevations.
24 hr trend......6 percent down...11 percent down higher
elevations.
* Wind (20 FT).
Lower Elevations...Northeast winds 10 to 15 mph shifting to
the northwest in the afternoon.
Ridges.............Southeast winds 20 to 25 mph becoming
southwest 10 to 15 mph in the afternoon.
* Mixing Height.........1000-2500 ft agl increasing to 3000-4000 ft
agl in the afternoon.
* Transport Winds.......East around 25 mph shifting to the
southwest in the afternoon.
* CWR...................10 percent.
.TONIGHT...
* Sky/Weather...........Mostly cloudy. Slight chance of showers
through the night. Chance of snow showers after midnight.
* Chance Lightning.......0 percent.
* Min Temperature.......39-44...32-39 higher elevations.
24 hr trend......Unchanged.
* Max Humidity..........72-82 percent...85-95 percent higher
elevations.
24 hr trend......15 percent down...2 percent up higher
elevations.
* Wind (20 FT).
Lower Elevations...Windy. West winds 15 to 20 mph increasing
to southwest around 25 mph after midnight.
Ridges.............Very windy. West winds around 25 mph
increasing to around 35 mph after midnight.
* Mixing Height.........2500-3500 ft agl decreasing to 500-1500 ft
agl early in the evening.
* Transport Winds.......West around 30 mph increasing to southwest
around 45 mph after midnight.
* CWR...................10 percent.
.MONDAY...
* Sky/Weather...........Partly sunny. Chance of snow showers and
slight chance of showers in the morning.
* Chance Lightning.......0 percent.
* Max Temperature.......56-61...42-52 higher elevations.
24 hr trend......4 degrees down.
* Min Humidity..........46-56 percent...70-80 percent higher
elevations.
24 hr trend......9 percent down...2 percent down higher
elevations.
* Wind (20 FT).
Lower Elevations...Windy. West winds 25 to 30 mph.
Ridges.............Very windy. West winds around 35 mph
decreasing to 20 to 25 mph in the afternoon.
* Mixing Height.........1000-2000 ft agl increasing to 5500-6500 ft
agl.
* Transport Winds.......West around 45 mph becoming northwest
around 30 mph in the afternoon.
* CWR...................0 percent.
.FORECAST DAYS 3 THROUGH 7......
.TUESDAY...Mostly cloudy. Slight chance of showers. Lows in the
upper 30s. Highs in the upper 50s. Southwest winds 15 to 20 mph.
.WEDNESDAY...Mostly cloudy. Chance of showers. Lows in the lower
40s. Highs in the upper 50s. North winds 10 to 15 mph.
.THURSDAY...Mostly clear. Lows around 40. Highs in the mid 60s.
Southwest winds 15 to 20 mph.
.FRIDAY...Mostly clear. Lows in the lower 40s. Highs in the upper
60s.
.SATURDAY...Mostly clear. Lows in the mid 40s. Highs in the lower
70s.
$$
MTZ115-132300-
Chouteau and Fergus Counties-
336 AM MDT Sun Sep 13 2026
.TODAY...
* Sky/Weather...........Mostly sunny.
* Chance Lightning.......0 percent.
* Max Temperature.......68-74...61-69 higher elevations.
24 hr trend......9 degrees up.
* Min Humidity..........35-45 percent.
24 hr trend......6 percent down...15 percent down higher
elevations.
* Wind (20 FT).
Lower Elevations...Southeast winds 20 to 25 mph.
Ridges.............Southeast winds 20 to 25 mph.
* Mixing Height.........500-1500 ft agl increasing to 4500-5000 ft
agl.
* Transport Winds.......Southeast around 35 mph.
* CWR...................0 percent.
.TONIGHT...
* Sky/Weather...........Mostly cloudy. Chance of showers and slight
chance of thunderstorms in the evening. Slight chance of showers
after midnight.
* Chance Lightning.......20 percent.
* Min Temperature.......42-48.
24 hr trend......3 degrees up.
* Max Humidity..........75-85 percent.
24 hr trend......9 percent down...unchanged higher elevations.
* Wind (20 FT).
Lower Elevations...Windy. West winds 25 to 30 mph.
Ridges.............Windy. West winds 25 to 30 mph.
* Mixing Height.........4000 ft agl decreasing to 1000-1500 ft agl.
* Transport Winds.......West 30 to 35 mph.
* CWR...................20 percent.
.MONDAY...
* Sky/Weather...........Partly sunny. Slight chance of showers in
the morning. Chance of showers in the afternoon.
* Chance Lightning.......0 percent.
* Max Temperature.......57-62...48-56 higher elevations.
24 hr trend......10 degrees down.
* Min Humidity..........50-60 percent.
24 hr trend......18 percent up.
* Wind (20 FT).
Lower Elevations...Very windy. West winds 30 to 35 mph.
Ridges.............Windy. West winds 30 to 35 mph.
* Mixing Height.........1000-1500 ft agl increasing to 5000-6000 ft
agl.
* Transport Winds.......West 40 to 45 mph.
* CWR...................10 percent.
.FORECAST DAYS 3 THROUGH 7......
.TUESDAY...Windy. Partly cloudy. Lows in the lower 40s. Highs in
the mid 60s. South winds around 25 mph.
.WEDNESDAY...Mostly cloudy. Chance of showers. Lows in the mid
40s. Highs in the mid 60s. Northeast winds 15 to 20 mph.
.THURSDAY...Mostly clear. Lows in the lower 40s. Highs in the
lower 70s. South winds 10 to 15 mph.
.FRIDAY...Mostly clear. Lows in the mid 40s. Highs in the lower
70s.
.SATURDAY...Mostly clear. Lows in the upper 40s. Highs in the mid
70s.
$$
MTZ116-118-132300-
Lincoln Ranger District of the Helena National Forest-
Helena and Townsend Ranger Districts of the Helena National
Forest-
336 AM MDT Sun Sep 13 2026
.TODAY...
* Sky/Weather...........Mostly sunny. Chance of showers in the
afternoon.
* Chance Lightning.......0 percent.
* Max Temperature.......66-76...55-65 higher elevations.
24 hr trend......1 degree up.
* Min Humidity..........32-42 percent...45-55 percent higher
elevations.
24 hr trend......15 percent down.
* Wind (20 FT).
Lower Elevations...Northeast winds 15 to 20 mph shifting to
the west in the afternoon.
Ridges.............Southeast winds 20 to 25 mph shifting to
the southwest in the afternoon.
* Mixing Height.........500-2000 ft agl increasing to 9500-10000 ft
agl.
* Transport Winds.......East around 25 mph increasing to southwest
around 40 mph in the afternoon.
* CWR...................0 percent.
.TONIGHT...
* Sky/Weather...........Mostly cloudy. Chance of showers.
* Chance Lightning.......0 percent.
* Min Temperature.......34-42.
24 hr trend......6 degrees down...1 degree down higher
elevations.
* Max Humidity..........82-92 percent.
24 hr trend......19 percent up...unchanged higher elevations.
* Wind (20 FT).
Lower Elevations...Windy. West winds 20 to 30 mph.
Ridges.............Windy. West winds 20 to 25 mph increasing
to around 30 mph after midnight.
* Mixing Height.........6500 ft agl decreasing to 1000-1500 ft agl.
* Transport Winds.......West 30 to 35 mph.
* CWR...................20 percent.
.MONDAY...
* Sky/Weather...........Partly sunny. Slight chance of showers in
the morning.
* Chance Lightning.......0 percent.
* Max Temperature.......54-63...45-54 higher elevations.
24 hr trend......9 degrees down.
* Min Humidity..........44-54 percent...59-69 percent higher
elevations.
24 hr trend......11 percent up...20 percent up higher
elevations.
* Wind (20 FT).
Lower Elevations...Windy. West winds 25 to 30 mph.
Ridges.............Windy. West winds 25 to 30 mph.
* Mixing Height.........1500-2500 ft agl increasing to 6000-7500 ft
agl.
* Transport Winds.......West 30 to 35 mph.
* CWR...................0 percent.
.FORECAST DAYS 3 THROUGH 7......
.TUESDAY...Partly cloudy. Lows in the mid 30s. Highs in the mid
60s. Southwest winds 15 to 20 mph.
.WEDNESDAY...Partly cloudy. Slight chance of showers. Lows around
40. Highs in the lower 60s. North winds 15 to 20 mph.
.THURSDAY...Mostly clear. Lows in the upper 30s. Highs in the
upper 60s. Southwest winds 10 to 15 mph.
.FRIDAY...Partly cloudy. Chance of showers. Lows in the lower
40s. Highs in the upper 60s.
.SATURDAY...Mostly clear. Lows in the lower 40s. Highs in the
lower 70s.
$$
MTZ117-132300-
Central and Eastern Lewis and Clark National Forest Areas-
336 AM MDT Sun Sep 13 2026
.TODAY...
* Sky/Weather...........Mostly sunny.
* Chance Lightning.......0 percent.
* Max Temperature.......66-72...59-68 higher elevations.
24 hr trend......9 degrees up.
* Min Humidity..........36-46 percent.
24 hr trend......13 percent down...18 percent down higher
elevations.
* Wind (20 FT).
Lower Elevations...Windy. East winds around 25 mph shifting to
the south in the afternoon.
Ridges.............Southeast winds 20 to 25 mph.
* Mixing Height.........500-2000 ft agl increasing to 2500-3500 ft
agl late in the morning, then increasing to 4500 ft agl early in
the afternoon increasing to 6500 ft agl late in the afternoon
decreasing to 4500 ft agl.
* Transport Winds.......Southeast around 30 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.......35-45.
24 hr trend......Unchanged.
* Max Humidity..........81-91 percent.
24 hr trend......4 percent down...9 percent down higher
elevations.
* Wind (20 FT).
Lower Elevations...Windy. West winds 20 to 25 mph.
Ridges.............Windy. West winds 20 to 25 mph increasing
to around 30 mph after midnight.
* Mixing Height.........1500-3000 ft agl decreasing to 1000 ft agl
early in the morning.
* Transport Winds.......West 30 to 35 mph.
* CWR...................20 percent.
.MONDAY...
* Sky/Weather...........Partly sunny. Slight chance of showers in
the morning. Chance of showers in the afternoon.
* Chance Lightning.......0 percent.
* Max Temperature.......53-63...44-54 higher elevations.
24 hr trend......10 degrees down...16 degrees down higher
elevations.
* Min Humidity..........45-55 percent...60-70 percent higher
elevations.
24 hr trend......19 percent up.
* Wind (20 FT).
Lower Elevations...Very windy. West winds 35 to 40 mph.
Ridges.............Very windy. West winds 35 to 40 mph.
* Mixing Height.........1000-2500 ft agl increasing to 5500-6000 ft
agl.
* Transport Winds.......West 45 to 50 mph.
* CWR...................10 percent.
.FORECAST DAYS 3 THROUGH 7......
.TUESDAY...Windy. Partly cloudy. Lows in the upper 30s. Highs in
the lower 60s. South winds around 25 mph.
.WEDNESDAY...Mostly cloudy. Slight chance of showers. Lows in the
lower 40s. Highs in the lower 60s. North winds 15 to 20 mph.
.THURSDAY...Mostly clear. Lows in the upper 30s. Highs in the
upper 60s. South winds 15 to 20 mph.
.FRIDAY...Mostly clear. Lows in the lower 40s. Highs in the upper
60s.
.SATURDAY...Mostly clear. Lows in the mid 40s. Highs in the lower
70s.
$$
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