Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
012
FNUS55 KTFX 160947
FWFTFX
Fire Weather Planning Forecast for North-Central Montana
National Weather Service Great Falls MT
347 AM MDT Wed Sep 16 2026
.DISCUSSION...
Morning showers will diminish over the northern districts, as
patchy fog burns off by mid morning today. Several rounds of
showers/thunderstorms are expected over the central and southern
districts Thu/Fri. Some storms could be on the strong side.
Showers end on Saturday, with mostly dry and mild conditions
Sun/Mon. Brusda
MTZ112-162300-
Eastern Glacier/Toole/Central/Eastern Pondera/Liberty-
347 AM MDT Wed Sep 16 2026
.TODAY...
* Sky/Weather...........Partly cloudy. Morning fog and light rain showers.
* Chance Lightning.......0 percent.
* Max Temperature.......57-62.
24 hr trend......4 degrees up.
* Min Humidity..........53-61 percent...61-70 percent higher
elevations.
24 hr trend......1 percent down.
* Wind (20 FT).
Lower Elevations...North winds 5 to 10 mph.
Ridges.............North winds 5 to 10 mph.
* Mixing Height.........1500-3000 ft agl increasing to 4000-4500 ft
agl in the afternoon.
* Transport Winds.......North 10 to 15 mph.
* CWR...................0 percent.
.TONIGHT...
* Sky/Weather...........Mostly clear.
* Chance Lightning.......0 percent.
* Min Temperature.......39-44.
24 hr trend......3 degrees down.
* Max Humidity..........89-99 percent.
24 hr trend......4 percent down...13 percent down higher
elevations.
* Wind (20 FT).
Lower Elevations...Southeast winds 10 to 15 mph.
Ridges.............Southeast winds 10 to 15 mph.
* Mixing Height.........2500-4000 ft agl decreasing to BELOW 1000
ft agl early in the evening.
* Transport Winds.......Southeast 15 to 20 mph.
* CWR...................0 percent.
.THURSDAY...
* Sky/Weather...........Mostly sunny.
* Chance Lightning.......0 percent.
* Max Temperature.......67-72...61-66 higher elevations.
24 hr trend......8 degrees up.
* Min Humidity..........44-49 percent.
24 hr trend......6 percent down...18 percent down higher
elevations.
* 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 2500-3000 ft
agl in the afternoon.
* Transport Winds.......Southeast 15 to 20 mph.
* CWR...................0 percent.
.FORECAST DAYS 3 THROUGH 7......
.FRIDAY...Partly cloudy. Slight chance of showers. Lows in the
upper 40s. Highs in the upper 60s. North winds around 5 mph.
.SATURDAY...Mostly cloudy. Chance of showers and slight chance of
thunderstorms. Lows in the upper 40s. Highs in the upper 60s.
Northwest winds 10 to 15 mph.
.SUNDAY...Mostly clear. Lows in the upper 40s. Highs in the lower
70s. Southwest winds 15 to 20 mph.
.MONDAY...Mostly clear. Lows in the upper 40s. Highs in the lower
70s.
.TUESDAY...Partly cloudy. Lows in the mid 40s. Highs in the mid
60s.
$$
MTZ113-162300-
Hill and Blaine Counties-
347 AM MDT Wed Sep 16 2026
.TODAY...
* Sky/Weather...........Partly cloudy. Morning light rain showers.
* Chance Lightning.......0 percent.
* Max Temperature.......62-67...55-60 higher elevations.
24 hr trend......1 degree down.
* Min Humidity..........43-53 percent.
24 hr trend......10 percent up...6 percent down higher
elevations.
* Wind (20 FT).
Lower Elevations...North winds 10 to 15 mph.
Ridges.............North winds 5 to 10 mph.
* Mixing Height.........500-2000 ft agl increasing to 5000 ft agl.
* Transport Winds.......North 15 to 20 mph.
* CWR...................Less than 5 percent.
.TONIGHT...
* Sky/Weather...........Mostly clear.
* Chance Lightning.......0 percent.
* Min Temperature.......40-45.
24 hr trend......2 degrees down.
* Max Humidity..........89-99 percent.
24 hr trend......Unchanged...8 percent up higher elevations.
* Wind (20 FT).
Lower Elevations...East winds around 5 mph increasing to
southeast 15 to 20 mph after midnight.
Ridges.............Southeast winds 10 to 15 mph.
* Mixing Height.........4500 ft agl decreasing to 500-2000 ft agl.
* Transport Winds.......East 15 to 20 mph.
* CWR...................0 percent.
.THURSDAY...
* Sky/Weather...........Mostly sunny.
* Chance Lightning.......0 percent.
* Max Temperature.......68-74...63-68 higher elevations.
24 hr trend......10 degrees up.
* Min Humidity..........40-48 percent.
24 hr trend......9 percent down...4 percent down higher
elevations.
* Wind (20 FT).
Lower Elevations...Southeast winds 15 to 20 mph.
Ridges.............Southeast winds 10 to 15 mph.
* Mixing Height.........500-1500 ft agl increasing to 2500-4000 ft
agl late in the morning.
* Transport Winds.......Southeast 20 to 25 mph.
* CWR...................0 percent.
.FORECAST DAYS 3 THROUGH 7......
.FRIDAY...Partly cloudy. Slight chance of showers. Lows in the
upper 40s. Highs in the lower 70s. Northeast winds 15 to 20 mph.
.SATURDAY...Mostly cloudy with chance of showers and slight
chance of thunderstorms. Lows around 50. Highs in the upper 60s.
North winds 10 to 15 mph.
.SUNDAY...Partly cloudy. Chance of rain. Lows in the upper 40s.
Highs in the lower 70s. Northwest winds around 5 mph.
.MONDAY...Mostly clear. Lows in the upper 40s. Highs in the mid
70s.
.TUESDAY...Partly cloudy. Lows in the upper 40s. Highs around 70.
$$
MTZ114-162300-
Lewis and Clark National Forest Rocky Mountain District-
Rocky Mountain Front-
347 AM MDT Wed Sep 16 2026
.TODAY...
* Sky/Weather...........Partly sunny.
* Chance Lightning.......0 percent.
* Max Temperature.......57-62...47-56 higher elevations.
24 hr trend......1 degree down.
* Min Humidity..........53-63 percent...63-73 percent higher
elevations.
24 hr trend......Unchanged.
* Wind (20 FT).
Lower Elevations...Northeast winds 10 to 15 mph.
Ridges.............Northeast winds around 5 mph shifting to
the southeast in the afternoon.
* Mixing Height.........1500-3000 ft agl increasing to 3500-4000 ft
agl in the afternoon.
* Transport Winds.......Northeast 10 to 15 mph.
* CWR...................0 percent.
.TONIGHT...
* Sky/Weather...........Partly cloudy.
* Chance Lightning.......0 percent.
* Min Temperature.......37-43.
24 hr trend......Unchanged.
* Max Humidity..........87-97 percent.
24 hr trend......Unchanged.
* Wind (20 FT).
Lower Elevations...East winds around 5 mph shifting to the
southwest after midnight.
Ridges.............South winds 10 to 15 mph.
* Mixing Height.........3500 ft agl decreasing to 500-1500 ft agl.
* Transport Winds.......East 15 to 20 mph shifting to the south
after midnight.
* CWR...................0 percent.
.THURSDAY...
* Sky/Weather...........Sunny.
* Chance Lightning.......0 percent.
* Max Temperature.......69-75...60-70 higher elevations.
24 hr trend......10 degrees up.
* Min Humidity..........38-48 percent.
24 hr trend......9 percent down...23 percent down higher
elevations.
* Wind (20 FT).
Lower Elevations...South winds around 5 mph shifting to the
east in the afternoon.
Ridges.............Southwest winds 10 to 15 mph shifting to
the east in the afternoon.
* Mixing Height.........500-1500 ft agl increasing to 4000-5000 ft
agl.
* Transport Winds.......South 15 to 20 mph.
* CWR...................0 percent.
.FORECAST DAYS 3 THROUGH 7......
.FRIDAY...Mostly cloudy. Chance of showers and slight chance of
thunderstorms. Lows in the upper 40s. Highs in the mid 60s.
Northwest winds around 5 mph.
.SATURDAY...Mostly cloudy. Showers likely and slight chance of
thunderstorms. Lows in the upper 40s. Highs in the mid 60s.
Northwest winds 10 to 15 mph.
.SUNDAY...Mostly clear. Slight chance of rain. Lows in the mid
40s. Highs in the upper 60s. Southwest winds 15 to 20 mph.
.MONDAY...Mostly clear. Lows in the mid 40s. Highs in the lower
70s.
.TUESDAY...Partly cloudy. Slight chance of rain. Lows in the mid
40s. Highs in the mid 60s.
$$
MTZ115-162300-
Chouteau and Fergus Counties-
347 AM MDT Wed Sep 16 2026
.TODAY...
* Sky/Weather...........Mostly sunny.
* Chance Lightning.......0 percent.
* Max Temperature.......63-68...55-63 higher elevations.
24 hr trend......2 degrees down.
* Min Humidity..........42-52 percent.
24 hr trend......Unchanged...5 percent up higher elevations.
* Wind (20 FT).
Lower Elevations...Northwest winds 15 to 20 mph.
Ridges.............Northwest winds 10 to 15 mph.
* Mixing Height.........500-2000 ft agl increasing to 4500 ft agl.
* Transport Winds.......Northwest 20 to 25 mph.
* CWR...................0 percent.
.TONIGHT...
* Sky/Weather...........Mostly clear.
* Chance Lightning.......0 percent.
* Min Temperature.......41-46.
24 hr trend......1 degree up.
* Max Humidity..........85-95 percent.
24 hr trend......5 percent up.
* Wind (20 FT).
Lower Elevations...East winds 10 to 15 mph.
Ridges.............East winds 10 to 15 mph shifting to the
southeast after midnight.
* Mixing Height.........4000 ft agl decreasing to 500-2000 ft agl.
* Transport Winds.......East 15 to 20 mph.
* CWR...................0 percent.
.THURSDAY...
* Sky/Weather...........Mostly sunny.
* Chance Lightning.......0 percent.
* Max Temperature.......72-77...65-73 higher elevations.
24 hr trend......11 degrees up.
* Min Humidity..........36-44 percent.
24 hr trend......8 percent down.
* Wind (20 FT).
Lower Elevations...Southeast winds 15 to 20 mph.
Ridges.............Southeast winds 10 to 15 mph.
* Mixing Height.........500-2000 ft agl increasing to 2500-4000 ft
agl in the afternoon.
* Transport Winds.......Southeast 20 to 25 mph.
* CWR...................0 percent.
.FORECAST DAYS 3 THROUGH 7......
.FRIDAY...Partly cloudy. Chance of showers. Lows in the lower
50s. Highs in the lower 70s. Northwest winds 10 to 15 mph.
.SATURDAY...Showers and chance of thunderstorms. Lows in the
lower 50s. Highs in the upper 60s. Northwest winds 10 to 15 mph.
.SUNDAY...Partly cloudy. Chance of rain. Lows in the upper 40s.
Highs in the lower 70s. West winds 10 to 15 mph.
.MONDAY...Mostly clear. Lows in the upper 40s. Highs in the mid
70s.
.TUESDAY...Partly cloudy. Lows in the upper 40s. Highs around 70.
$$
MTZ116-118-162300-
Lincoln Ranger District of the Helena National Forest-
Helena and Townsend Ranger Districts of the Helena National
Forest-
347 AM MDT Wed Sep 16 2026
.TODAY...
* Sky/Weather...........Mostly sunny.
* Chance Lightning.......0 percent.
* Max Temperature.......61-70...52-62 higher elevations.
24 hr trend......2 degrees down.
* Min Humidity..........39-49 percent...48-58 percent higher
elevations.
24 hr trend......17 percent up.
* Wind (20 FT).
Lower Elevations...North winds 10 to 15 mph.
Ridges.............North winds 10 to 15 mph.
* Mixing Height.........500-2000 ft agl increasing to 2500-3500 ft
agl late in the morning.
* Transport Winds.......North 15 to 20 mph.
* CWR...................0 percent.
.TONIGHT...
* Sky/Weather...........Partly cloudy.
* Chance Lightning.......0 percent.
* Min Temperature.......38-45.
24 hr trend......3 degrees up.
* Max Humidity..........81-91 percent.
24 hr trend......19 percent down...12 percent down higher
elevations.
* Wind (20 FT).
Lower Elevations...Northeast winds 15 to 20 mph.
Ridges.............East winds 10 to 15 mph shifting to the
southeast after midnight.
* Mixing Height.........3000 ft agl decreasing to 500-1000 ft agl.
* Transport Winds.......Northeast 20 to 25 mph shifting to the east
after midnight.
* CWR...................0 percent.
.THURSDAY...
* Sky/Weather...........Mostly sunny.
* Chance Lightning.......0 percent.
* Max Temperature.......72-78...64-72 higher elevations.
24 hr trend......8 degrees up.
* Min Humidity..........35-45 percent.
24 hr trend......4 percent down...14 percent down higher
elevations.
* Wind (20 FT).
Lower Elevations...Southeast winds 10 to 15 mph.
Ridges.............Southeast winds 5 to 10 mph.
* Mixing Height.........500-2000 ft agl increasing to 5000-6000 ft
agl.
* Transport Winds.......South 15 to 20 mph.
* CWR...................0 percent.
.FORECAST DAYS 3 THROUGH 7......
.FRIDAY...Mostly cloudy. Showers likely and slight chance of
thunderstorms. Lows in the upper 40s. Highs in the upper 60s.
Southwest winds 10 to 15 mph.
.SATURDAY...Showers and chance of thunderstorms. Lows in the
upper 40s. Highs in the mid 60s. Northwest winds around 5 mph.
.SUNDAY...Partly cloudy. Chance of showers and slight chance of
thunderstorms. Lows in the mid 40s. Highs in the upper 60s.
Southwest winds 10 to 15 mph.
.MONDAY...Mostly clear. Lows in the mid 40s. Highs around 70.
.TUESDAY...Mostly clear. Lows in the mid 40s. Highs in the upper
60s.
$$
MTZ117-162300-
Central and Eastern Lewis and Clark National Forest Areas-
347 AM MDT Wed Sep 16 2026
.TODAY...
* Sky/Weather...........Mostly sunny.
* Chance Lightning.......0 percent.
* Max Temperature.......60-66...54-63 higher elevations.
24 hr trend......1 degree down.
* Min Humidity..........43-53 percent.
24 hr trend......6 percent up.
* Wind (20 FT).
Lower Elevations...North winds 15 to 20 mph.
Ridges.............North winds 10 to 15 mph.
* Mixing Height.........1000-2500 ft agl increasing to 3000-4500 ft
agl in the afternoon.
* Transport Winds.......North 20 to 25 mph.
* CWR...................0 percent.
.TONIGHT...
* Sky/Weather...........Partly cloudy.
* Chance Lightning.......0 percent.
* Min Temperature.......38-43.
24 hr trend......3 degrees up.
* Max Humidity..........84-94 percent.
24 hr trend......10 percent down...2 percent down higher
elevations.
* Wind (20 FT).
Lower Elevations...East winds 15 to 20 mph shifting to the
southeast after midnight.
Ridges.............Southeast winds 15 to 20 mph.
* Mixing Height.........3500 ft agl decreasing to 500-1500 ft agl.
* Transport Winds.......East 20 to 25 mph shifting to the southeast
after midnight.
* CWR...................0 percent.
.THURSDAY...
* Sky/Weather...........Mostly sunny.
* Chance Lightning.......0 percent.
* Max Temperature.......72-77...65-72 higher elevations.
24 hr trend......12 degrees up.
* Min Humidity..........34-43 percent.
24 hr trend......8 percent down.
* Wind (20 FT).
Lower Elevations...Southeast winds 15 to 20 mph shifting to
the east in the afternoon.
Ridges.............Southeast winds 10 to 15 mph.
* Mixing Height.........500-2000 ft agl increasing to 4500-5500 ft
agl.
* Transport Winds.......South 20 to 25 mph.
* CWR...................0 percent.
.FORECAST DAYS 3 THROUGH 7......
.FRIDAY...Partly cloudy. Showers likely and slight chance of
thunderstorms. Lows in the upper 40s. Highs in the upper 60s.
Southwest winds 15 to 20 mph.
.SATURDAY...Showers and chance of thunderstorms. Lows in the
upper 40s. Highs in the mid 60s. Northwest winds 10 to 15 mph.
.SUNDAY...Partly cloudy. Chance of showers and slight chance of
thunderstorms. Lows in the mid 40s. Highs in the upper 60s.
Southwest winds 15 to 20 mph.
.MONDAY...Mostly clear. Lows in the mid 40s. Highs in the lower
70s.
.TUESDAY...Partly cloudy. Lows in the mid 40s. Highs in the upper
60s.
$$
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