Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
427
FNUS55 KTFX 170740
FWFTFX
Fire Weather Planning Forecast for North-Central Montana
National Weather Service Great Falls MT
140 AM MDT Thu Jul 17 2025
.DISCUSSION...
A frontal passage this afternoon will shift winds to the north and
develop scattered showers and thunderstorms across North Central
MT. Some strong to severe storms will be possible, especially
along and north of the Highway 2 corridor with gusty winds, hail,
brief heavy downpours, and lightning as the main hazards. After
today, chances for showers and thunderstorms through the weekend
remains low.
MTZ112-172245-
Eastern Glacier/Toole/Central/Eastern Pondera/Liberty-
140 AM MDT Thu Jul 17 2025
.TODAY...
* Sky/Weather...........Mostly sunny. Patchy fog in the morning.
Chance of showers and thunderstorms in the afternoon.
* Chance Lightning.......40 percent.
* Max Temperature.......69-78...63-68 higher elevations.
24 hr trend......1 degree up.
* Min Humidity..........46-56 percent...56-66 percent higher
elevations.
24 hr trend......8 percent up...3 percent down higher
elevations.
* Wind (20 FT).
Lower Elevations...Northeast winds 10 to 15 mph shifting to
the north in the afternoon.
Ridges.............South winds 10 to 15 mph shifting to the
northwest in the afternoon.
* Mixing Height.........500-1500 ft agl increasing to 5500-7000 ft
agl.
* Transport Winds.......South around 5 mph shifting to the
northwest in the afternoon.
* CWR...................10 percent.
.TONIGHT...
* Sky/Weather...........Mostly cloudy then becoming partly cloudy.
Chance of showers and thunderstorms in the evening.
* Chance Lightning.......30 percent.
* Min Temperature.......46-51.
24 hr trend......2 degrees up.
* Max Humidity..........90-100 percent.
24 hr trend......Unchanged...13 percent up higher elevations.
* Wind (20 FT).
Lower Elevations...Northwest winds 10 to 15 mph.
Ridges.............Northwest winds 10 to 15 mph.
* Mixing Height.........3000-4500 ft agl decreasing to 1000-2000 ft
agl early in the evening.
* Transport Winds.......North 10 to 15 mph.
* CWR...................0 percent.
.FRIDAY...
* Sky/Weather...........Mostly sunny.
* Chance Lightning.......0 percent.
* Max Temperature.......74-80...68-73 higher elevations.
24 hr trend......4 degrees up.
* Min Humidity..........37-44 percent.
24 hr trend......13 percent down.
* Wind (20 FT).
Lower Elevations...Northeast winds 10 to 15 mph shifting to
the southeast in the afternoon.
Ridges.............Northeast winds 10 to 15 mph shifting to
the south in the afternoon.
* Mixing Height.........1000-2500 ft agl increasing to 5500-6000 ft
agl.
* Transport Winds.......Northwest around 5 mph shifting to the
southwest in the afternoon.
* CWR...................0 percent.
.FORECAST DAYS 3 THROUGH 7......
.SATURDAY...Partly cloudy. Lows in the mid 50s. Highs in the
lower 80s. South winds 15 to 20 mph.
.SUNDAY...Partly cloudy. Lows in the lower 50s. Highs in the
upper 70s. West winds 15 to 20 mph.
.MONDAY...Mostly cloudy. Slight chance of showers. Lows around
50. Highs in the lower 70s. Northwest winds 15 to 20 mph.
.TUESDAY...Mostly cloudy with chance of showers and slight chance
of thunderstorms. Lows in the lower 50s. 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.
$$
MTZ113-172245-
Hill and Blaine Counties-
140 AM MDT Thu Jul 17 2025
.TODAY...
* Sky/Weather...........Mostly sunny. Chance of thunderstorms and
slight chance of showers in the afternoon.
* Chance Lightning.......40 percent.
* Max Temperature.......73-79...67-72 higher elevations.
24 hr trend......6 degrees up...11 degrees up higher elevations.
* Min Humidity..........43-53 percent.
24 hr trend......11 percent up...11 percent down higher
elevations.
* Wind (20 FT).
Lower Elevations...Southeast winds 15 to 20 mph.
Ridges.............Southeast winds 15 to 20 mph shifting to
the southwest in the afternoon.
* Mixing Height.........500-2000 ft agl increasing to 5500-7000 ft
agl.
* Transport Winds.......Southeast 15 to 20 mph shifting to the
south in the afternoon.
* CWR...................10 percent.
.TONIGHT...
* Sky/Weather...........Partly cloudy. Chance of thunderstorms and
slight chance of showers in the evening.
* Chance Lightning.......40 percent.
* Min Temperature.......49-54.
24 hr trend......1 degree up.
* Max Humidity..........89-99 percent.
24 hr trend......Unchanged.
* Wind (20 FT).
Lower Elevations...Northeast winds 10 to 15 mph shifting to
the northwest after midnight.
Ridges.............North winds around 5 mph shifting to the
west after midnight.
* Mixing Height.........3500-5000 ft agl decreasing to 500-2000 ft
agl early in the evening.
* Transport Winds.......Northeast 10 to 15 mph shifting to the
northwest after midnight.
* CWR...................10 percent.
.FRIDAY...
* Sky/Weather...........Mostly sunny.
* Chance Lightning.......0 percent.
* Max Temperature.......75-80...68-74 higher elevations.
24 hr trend......2 degrees up.
* Min Humidity..........38-48 percent.
24 hr trend......14 percent down...5 percent down higher
elevations.
* Wind (20 FT).
Lower Elevations...Northeast winds 10 to 15 mph shifting to
the southeast in the afternoon.
Ridges.............Northwest winds around 5 mph shifting to
the south in the afternoon.
* Mixing Height.........1000-2000 ft agl increasing to 5000-6500 ft
agl.
* Transport Winds.......Northwest 10 to 15 mph shifting to the
southwest in the afternoon.
* CWR...................0 percent.
.FORECAST DAYS 3 THROUGH 7......
.SATURDAY...Partly cloudy. Chance of showers. Lows in the mid
50s. Highs in the upper 80s. Southeast winds 15 to 20 mph.
.SUNDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the mid 50s. Highs in the lower 80s. West
winds 10 to 15 mph.
.MONDAY...Partly cloudy. Slight chance of showers. Lows in the
lower 50s. Highs in the upper 70s. Northwest winds 10 to 15 mph.
.TUESDAY...Mostly cloudy. Chance of showers and slight chance of
thunderstorms. Lows in the lower 50s. Highs in the mid 70s.
.WEDNESDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows around 50. Highs in the lower 70s.
$$
MTZ114-172245-
Lewis and Clark National Forest Rocky Mountain District-
Rocky Mountain Front-
140 AM MDT Thu Jul 17 2025
.TODAY...
* Sky/Weather...........Mostly sunny. Slight chance of showers and
thunderstorms in the afternoon.
* Chance Lightning.......10 percent.
* Max Temperature.......73-81...62-72 higher elevations.
24 hr trend......8 degrees up.
* Min Humidity..........35-45 percent.
24 hr trend......2 percent down...28 percent down higher
elevations.
* Wind (20 FT).
Lower Elevations...Northwest winds 10 to 15 mph.
Ridges.............Northwest winds 10 to 15 mph.
* Mixing Height.........1000-2500 ft agl increasing to 8000-9500 ft
agl.
* Transport Winds.......West 10 to 15 mph.
* CWR...................0 percent.
.TONIGHT...
* Sky/Weather...........Partly cloudy. Slight chance of showers in
the evening.
* Chance Lightning.......0 percent.
* Min Temperature.......46-54.
24 hr trend......1 degree up.
* Max Humidity..........84-94 percent.
24 hr trend......Unchanged.
* Wind (20 FT).
Lower Elevations...North winds 10 to 15 mph.
Ridges.............Northwest winds 10 to 15 mph shifting to
the southwest after midnight.
* Mixing Height.........7500 ft agl decreasing to 1000-1500 ft agl.
* Transport Winds.......North 10 to 15 mph.
* CWR...................0 percent.
.FRIDAY...
* Sky/Weather...........Mostly sunny.
* Chance Lightning.......0 percent.
* Max Temperature.......77-82...66-76 higher elevations.
24 hr trend......1 degree up.
* Min Humidity..........28-38 percent.
24 hr trend......5 percent down...1 percent up higher
elevations.
* Wind (20 FT).
Lower Elevations...Southeast winds 10 to 15 mph.
Ridges.............Southwest winds 10 to 15 mph.
* Mixing Height.........1000-2000 ft agl increasing to 6000-7500 ft
agl.
* Transport Winds.......Southwest 5 to 10 mph.
* CWR...................0 percent.
.FORECAST DAYS 3 THROUGH 7......
.SATURDAY...Partly cloudy. Lows in the lower 50s. Highs around
80. Southwest winds 20 to 25 mph.
.SUNDAY...Partly cloudy. Lows in the lower 50s. Highs in the
upper 70s. West winds 20 to 25 mph.
.MONDAY...Mostly cloudy. Slight chance of showers. Lows in the
lower 50s. Highs in the lower 70s. West winds 15 to 20 mph.
.TUESDAY...Mostly cloudy. Chance of showers and slight chance of
thunderstorms. Lows in the lower 50s. Highs around 70.
.WEDNESDAY...Mostly cloudy. Chance of showers and slight chance
of thunderstorms. Lows in the upper 40s. Highs in the lower 70s.
$$
MTZ115-172245-
Chouteau and Fergus Counties-
140 AM MDT Thu Jul 17 2025
.TODAY...
* Sky/Weather...........Mostly sunny.
* Chance Lightning.......0 percent.
* Max Temperature.......76-81...69-76 higher elevations.
24 hr trend......9 degrees up...14 degrees up higher elevations.
* Min Humidity..........37-43 percent.
24 hr trend......10 percent down...28 percent down higher
elevations.
* Wind (20 FT).
Lower Elevations...Southeast winds 10 to 15 mph shifting to
the north in the afternoon.
Ridges.............Southeast winds 10 to 15 mph shifting to
the northwest in the afternoon.
* Mixing Height.........500-2000 ft agl increasing to 7000-7500 ft
agl.
* Transport Winds.......Southeast 10 to 15 mph shifting to the west
in the afternoon.
* CWR...................0 percent.
.TONIGHT...
* Sky/Weather...........Partly cloudy. Slight chance of showers and
thunderstorms in the evening.
* Chance Lightning.......10 percent.
* Min Temperature.......51-56.
24 hr trend......4 degrees up.
* Max Humidity..........88-98 percent.
24 hr trend......Unchanged...11 percent down higher elevations.
* Wind (20 FT).
Lower Elevations...North winds 10 to 15 mph shifting to the
northwest after midnight.
Ridges.............North winds 10 to 15 mph shifting to the
west after midnight.
* Mixing Height.........6500 ft agl decreasing to 500-2000 ft agl.
* Transport Winds.......North 10 to 15 mph shifting to the
northwest after midnight.
* CWR...................0 percent.
.FRIDAY...
* Sky/Weather...........Mostly sunny.
* Chance Lightning.......0 percent.
* Max Temperature.......77-82...69-75 higher elevations.
24 hr trend......1 degree up.
* Min Humidity..........35-41 percent.
24 hr trend......Unchanged...7 percent up higher elevations.
* Wind (20 FT).
Lower Elevations...Northwest winds 10 to 15 mph shifting to
the east in the afternoon.
Ridges.............West winds 10 to 15 mph shifting to the
east in the afternoon.
* Mixing Height.........1000-2000 ft agl increasing to 5000-6000 ft
agl.
* Transport Winds.......West 10 to 15 mph.
* CWR...................0 percent.
.FORECAST DAYS 3 THROUGH 7......
.SATURDAY...Partly cloudy. Slight chance of showers. 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 mid 80s. West
winds 10 to 15 mph.
.MONDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the mid 50s. Highs around 80. Northwest
winds 10 to 15 mph.
.TUESDAY...Mostly cloudy. Chance of showers and slight chance of
thunderstorms. Lows in the mid 50s. Highs in the upper 70s.
.WEDNESDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows in the lower 50s. Highs in the mid 70s.
$$
MTZ116-118-172245-
Lincoln Ranger District of the Helena National Forest-
Helena and Townsend Ranger Districts of the Helena National
Forest-
140 AM MDT Thu Jul 17 2025
.TODAY...
* Sky/Weather...........Sunny.
* Chance Lightning.......0 percent.
* Max Temperature.......78-88...68-78 higher elevations.
24 hr trend......11 degrees up...6 degrees up higher elevations.
* Min Humidity..........19-29 percent.
24 hr trend......18 percent down.
* Wind (20 FT).
Lower Elevations...Southwest winds 10 to 15 mph shifting to
the northwest in the afternoon.
Ridges.............West winds 10 to 15 mph.
* Mixing Height.........1000-2500 ft agl increasing to 11500 ft
agl.
* Transport Winds.......Southwest 10 to 15 mph increasing to west
20 to 25 mph in the afternoon.
* CWR...................0 percent.
.TONIGHT...
* Sky/Weather...........Partly cloudy.
* Chance Lightning.......0 percent.
* Min Temperature.......47-54.
24 hr trend......4 degrees up.
* Max Humidity..........73-83 percent.
24 hr trend......4 percent down...6 percent up higher
elevations.
* Wind (20 FT).
Lower Elevations...Northwest winds 10 to 15 mph.
Ridges.............Northwest winds 10 to 15 mph.
* Mixing Height.........10500 ft agl decreasing to 1000 ft agl.
* Transport Winds.......Northwest 15 to 20 mph becoming north
around 5 mph after midnight.
* CWR...................0 percent.
.FRIDAY...
* Sky/Weather...........Mostly sunny.
* Chance Lightning.......0 percent.
* Max Temperature.......80-88...70-80 higher elevations.
24 hr trend......Unchanged.
* Min Humidity..........20-28 percent.
24 hr trend......6 percent up...3 percent down higher
elevations.
* Wind (20 FT).
Lower Elevations...Northwest winds 10 to 15 mph.
Ridges.............Northwest winds 10 to 15 mph.
* Mixing Height.........1000-2000 ft agl increasing to 8500-9500 ft
agl.
* Transport Winds.......West around 5 mph increasing to 15 to 20
mph in the afternoon.
* CWR...................0 percent.
.FORECAST DAYS 3 THROUGH 7......
.SATURDAY...Partly cloudy. Lows in the mid 50s. Highs in the mid
80s. Southwest winds 15 to 20 mph.
.SUNDAY...Partly cloudy. Lows in the mid 50s. Highs in the upper
70s. West winds 15 to 20 mph.
.MONDAY...Mostly cloudy. Slight chance of showers and
thunderstorms. Lows in the lower 50s. Highs in the mid 70s. West
winds 15 to 20 mph.
.TUESDAY...Mostly cloudy. Chance of showers and slight chance of
thunderstorms. Lows in the lower 50s. Highs in the mid 70s.
.WEDNESDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the lower 50s. Highs in the upper 70s.
$$
MTZ117-172245-
Central and Eastern Lewis and Clark National Forest Areas-
140 AM MDT Thu Jul 17 2025
.TODAY...
* Sky/Weather...........Mostly sunny.
* Chance Lightning.......0 percent.
* Max Temperature.......76-82...67-76 higher elevations.
24 hr trend......14 degrees up.
* Min Humidity..........27-37 percent.
24 hr trend......15 percent down...29 percent down higher
elevations.
* Wind (20 FT).
Lower Elevations...Southwest winds 10 to 15 mph shifting to
the northwest in the afternoon.
Ridges.............West winds 10 to 15 mph.
* Mixing Height.........1000-2000 ft agl increasing to 8500-9500 ft
agl.
* Transport Winds.......West 10 to 15 mph.
* CWR...................0 percent.
.TONIGHT...
* Sky/Weather...........Partly cloudy.
* Chance Lightning.......0 percent.
* Min Temperature.......46-53.
24 hr trend......4 degrees up.
* Max Humidity..........81-91 percent.
24 hr trend......9 percent down...20 percent down higher
elevations.
* Wind (20 FT).
Lower Elevations...Northwest winds 10 to 15 mph.
Ridges.............North winds 10 to 15 mph shifting to the
west after midnight.
* Mixing Height.........8000 ft agl decreasing to 1000-2000 ft agl.
* Transport Winds.......North 5 to 10 mph.
* CWR...................0 percent.
.FRIDAY...
* Sky/Weather...........Mostly sunny.
* Chance Lightning.......0 percent.
* Max Temperature.......77-83...68-77 higher elevations.
24 hr trend......1 degree up.
* Min Humidity..........29-39 percent.
24 hr trend......5 percent down.
* Wind (20 FT).
Lower Elevations...West winds around 5 mph shifting to the
northeast in the afternoon.
Ridges.............West winds 10 to 15 mph.
* Mixing Height.........1000-2000 ft agl increasing to 8000 ft agl.
* Transport Winds.......West 5 to 10 mph.
* CWR...................0 percent.
.FORECAST DAYS 3 THROUGH 7......
.SATURDAY...Partly cloudy. Slight chance of showers. Lows in the
mid 50s. Highs in the lower 80s. South winds 15 to 20 mph.
.SUNDAY...Partly cloudy. Slight chance of showers. Lows in the
mid 50s. Highs in the upper 70s. West winds 15 to 20 mph.
.MONDAY...Mostly cloudy. Slight chance of showers and
thunderstorms. Lows in the lower 50s. Highs in the mid 70s. West
winds 10 to 15 mph.
.TUESDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows in the lower 50s. Highs in the lower 70s.
.WEDNESDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows around 50. Highs in the lower 70s.
$$
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