Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
831
FNUS55 KTFX 291934
FWFTFX
Fire Weather Planning Forecast for North-Central Montana
National Weather Service Great Falls MT
134 PM MDT Fri Aug 29 2025
.DISCUSSION...
This afternoon it will be cool with scattered rain showers around
the districts with isolated thunderstorms. Any thunderstorms will
produce heavy rain, frequent lightning, and gusty, erratic winds.
On saturday it will be mostly dry with isolated rain showers in
Blaine and Fergus County. It will warm up Saturday through Monday
and be dry and on Sunday and Monday. -IG
MTZ112-301045-
Eastern Glacier/Toole/Central/Eastern Pondera/Liberty-
134 PM MDT Fri Aug 29 2025
.TONIGHT...
* Sky/Weather...........Mostly cloudy. Slight chance of showers and
thunderstorms in the evening. Patchy fog after midnight.
* Chance Lightning.......20 percent.
* Min Temperature.......47-52.
24 hr trend......8 degrees down.
* Max Humidity..........92-100 percent.
24 hr trend......1 percent up.
* Wind (20 FT).
Lower Elevations...Northeast winds 10 to 15 mph shifting to
the northwest after midnight.
Ridges.............Northeast winds 5 to 10 mph.
* Mixing Height.........2500-3500 ft agl decreasing to 1000-1500 ft
agl early in the evening.
* Transport Winds.......Northeast 10 to 15 mph shifting to the
northwest after midnight.
* CWR...................10 percent.
.SATURDAY...
* Sky/Weather...........Mostly sunny. Patchy fog in the morning.
* Chance Lightning.......0 percent.
* Max Temperature.......77-83...69-75 higher elevations.
24 hr trend......11 degrees up.
* Min Humidity..........30-40 percent.
24 hr trend......30 percent down...20 percent down higher
elevations.
* Wind (20 FT).
Lower Elevations...West winds 10 to 15 mph.
Ridges.............Southwest winds 10 to 15 mph.
* Mixing Height.........1000-2000 ft agl increasing to 9000 ft agl.
* Transport Winds.......West 15 to 20 mph.
* CWR...................0 percent.
.SATURDAY NIGHT...
* Sky/Weather...........Partly cloudy.
* Chance Lightning.......0 percent.
* Min Temperature.......50-55.
24 hr trend......Unchanged.
* Max Humidity..........64-74 percent...54-64 percent higher
elevations.
24 hr trend......34 percent down.
* Wind (20 FT).
Lower Elevations...Southwest winds 10 to 15 mph.
Ridges.............Southwest winds 10 to 15 mph.
* Mixing Height.........8000 ft agl decreasing to 500-1000 ft agl.
* Transport Winds.......West 15 to 20 mph.
* CWR...................0 percent.
.SUNDAY...
* Sky/Weather...........Sunny.
* Chance Lightning.......0 percent.
* Max Temperature.......82-88...75-80 higher elevations.
24 hr trend......5 degrees up.
* Min Humidity..........21-28 percent.
24 hr trend......10 percent down.
* Wind (20 FT).
Lower Elevations...Northwest winds 10 to 15 mph.
Ridges.............Northwest winds 5 to 10 mph.
* Mixing Height.........500-1000 ft agl increasing to 10000-11000
ft agl.
* Transport Winds.......Northwest 15 to 20 mph.
* CWR...................0 percent.
.FORECAST DAYS 3 THROUGH 7......
.LABOR DAY...Mostly clear. Lows in the mid 50s. Highs in the mid
80s. Northwest winds 10 to 15 mph.
.TUESDAY...Partly cloudy. Lows in the lower 50s. Highs in the
upper 70s. North winds 10 to 15 mph.
.WEDNESDAY...Partly cloudy. Lows around 50. Highs in the upper
70s. East winds 10 to 15 mph.
.THURSDAY...Partly cloudy. Lows around 50. Highs in the lower
80s.
.FRIDAY...Partly cloudy. Lows around 50. Highs in the lower 80s.
$$
MTZ113-301045-
Hill and Blaine Counties-
134 PM MDT Fri Aug 29 2025
.TONIGHT...
* Sky/Weather...........Mostly cloudy. Chance of thunderstorms in
the evening. Chance of showers through the night. Slight chance
of thunderstorms after midnight. Patchy fog after midnight.
* Chance Lightning.......50 percent.
* Min Temperature.......52-57...46-53 higher elevations.
24 hr trend......6 degrees down.
* Max Humidity..........95-100 percent.
24 hr trend......1 percent up...6 percent up higher elevations.
* Wind (20 FT).
Lower Elevations...Northeast winds 5 to 10 mph.
Ridges.............East winds around 5 mph shifting to the
south after midnight.
* Mixing Height.........1000-2000 ft agl.
* Transport Winds.......East 15 to 20 mph shifting to the southeast
after midnight.
* CWR...................20 percent.
.SATURDAY...
* Sky/Weather...........Partly sunny. Patchy fog in the morning.
Slight chance of showers in the morning. Chance of showers and
slight chance of thunderstorms in the afternoon.
* Chance Lightning.......20 percent.
* Max Temperature.......73-79...67-72 higher elevations.
24 hr trend......6 degrees up.
* Min Humidity..........49-59 percent.
24 hr trend......18 percent down...28 percent down higher
elevations.
* Wind (20 FT).
Lower Elevations...Northwest winds around 5 mph shifting to
the south in the afternoon.
Ridges.............Southwest winds around 5 mph shifting to
the northwest in the afternoon.
* Mixing Height.........500-2000 ft agl increasing to 5000-6000 ft
agl.
* Transport Winds.......Southwest 10 to 15 mph.
* CWR...................10 percent.
.SATURDAY NIGHT...
* Sky/Weather...........Partly cloudy.
* Chance Lightning.......0 percent.
* Min Temperature.......50-57.
24 hr trend......2 degrees down...3 degrees up higher
elevations.
* Max Humidity..........84-94 percent.
24 hr trend......Unchanged...16 percent down higher elevations.
* Wind (20 FT).
Lower Elevations...Southeast winds around 5 mph.
Ridges.............Southeast winds around 5 mph.
* Mixing Height.........5000 ft agl decreasing to 500-1000 ft agl.
* Transport Winds.......South 15 to 20 mph.
* CWR...................0 percent.
.SUNDAY...
* Sky/Weather...........Sunny.
* Chance Lightning.......0 percent.
* Max Temperature.......82-87...73-78 higher elevations.
24 hr trend......10 degrees up.
* Min Humidity..........30-40 percent.
24 hr trend......24 percent down...19 percent down higher
elevations.
* Wind (20 FT).
Lower Elevations...West winds 5 to 10 mph.
Ridges.............West winds 5 to 10 mph.
* Mixing Height.........500-2000 ft agl increasing to 9500 ft agl.
* Transport Winds.......West 15 to 20 mph.
* CWR...................0 percent.
.FORECAST DAYS 3 THROUGH 7......
.LABOR DAY...Mostly clear. Lows in the mid 50s. Highs in the mid
80s. Northwest winds 10 to 15 mph.
.TUESDAY...Partly cloudy. Lows in the mid 50s. Highs in the upper
70s. Northeast winds 10 to 15 mph.
.WEDNESDAY...Partly cloudy. Lows in the upper 40s. Highs in the
mid 70s. East winds 10 to 15 mph.
.THURSDAY...Partly cloudy. Lows in the upper 40s. Highs in the
upper 70s.
.FRIDAY...Mostly clear. Lows in the upper 40s. Highs around 80.
$$
MTZ114-301045-
Lewis and Clark National Forest Rocky Mountain District-
Rocky Mountain Front-
134 PM MDT Fri Aug 29 2025
.TONIGHT...
* Sky/Weather...........Mostly cloudy then becoming partly cloudy.
Chance of showers and thunderstorms in the evening. Patchy fog
after midnight.
* Chance Lightning.......40 percent.
* Min Temperature.......45-51.
24 hr trend......6 degrees down.
* Max Humidity..........88-98 percent.
24 hr trend......1 percent up...9 percent down higher
elevations.
* Wind (20 FT).
Lower Elevations...North winds around 5 mph shifting to the
west after midnight.
Ridges.............Northwest winds 5 to 10 mph.
* Mixing Height.........2500-3500 ft agl decreasing to 1000-1500 ft
agl early in the evening.
* Transport Winds.......Northwest 15 to 20 mph.
* CWR...................10 percent.
.SATURDAY...
* Sky/Weather...........Mostly sunny.
* Chance Lightning.......0 percent.
* Max Temperature.......77-84...64-74 higher elevations.
24 hr trend......11 degrees up...6 degrees up higher elevations.
* Min Humidity..........27-32 percent...31-41 percent higher
elevations.
24 hr trend......36 percent down...29 percent down higher
elevations.
* Wind (20 FT).
Lower Elevations...West winds 10 to 15 mph.
Ridges.............West winds 10 to 15 mph.
* Mixing Height.........1000-1500 ft agl increasing to 10000 ft
agl.
* Transport Winds.......West 20 to 25 mph.
* CWR...................0 percent.
.SATURDAY NIGHT...
* Sky/Weather...........Mostly clear.
* Chance Lightning.......0 percent.
* Min Temperature.......49-55.
24 hr trend......3 degrees up.
* Max Humidity..........54-64 percent.
24 hr trend......43 percent down...35 percent down higher
elevations.
* Wind (20 FT).
Lower Elevations...West winds 10 to 15 mph.
Ridges.............West winds 10 to 15 mph.
* Mixing Height.........9500 ft agl decreasing to 1000-1500 ft agl.
* Transport Winds.......West 15 to 20 mph.
* CWR...................0 percent.
.SUNDAY...
* Sky/Weather...........Sunny.
* Chance Lightning.......0 percent.
* Max Temperature.......82-88...69-79 higher elevations.
24 hr trend......5 degrees up.
* Min Humidity..........20-28 percent.
24 hr trend......7 percent down...16 percent down higher
elevations.
* Wind (20 FT).
Lower Elevations...West winds 10 to 15 mph shifting to the
northwest in the afternoon.
Ridges.............West winds 10 to 15 mph.
* Mixing Height.........500-1000 ft agl increasing to 11000-11500
ft agl.
* Transport Winds.......West 15 to 20 mph.
* CWR...................0 percent.
.FORECAST DAYS 3 THROUGH 7......
.LABOR DAY...Mostly clear. Lows in the lower 50s. Highs in the
lower 80s. North winds 10 to 15 mph.
.TUESDAY...Mostly clear. Lows in the lower 50s. Highs in the
upper 70s. North winds 10 to 15 mph.
.WEDNESDAY...Partly cloudy. Lows in the lower 50s. Highs in the
upper 70s. Northeast winds 10 to 15 mph.
.THURSDAY...Mostly clear. Lows in the lower 50s. Highs in the
upper 70s.
.FRIDAY...Partly cloudy. Lows in the lower 50s. Highs in the
lower 80s.
$$
MTZ115-301045-
Chouteau and Fergus Counties-
134 PM MDT Fri Aug 29 2025
.TONIGHT...
* Sky/Weather...........Mostly cloudy. Chance of thunderstorms in
the evening. Chance of showers through the night. Slight chance
of thunderstorms after midnight. Patchy fog after midnight.
* Chance Lightning.......50 percent.
* Min Temperature.......52-57.
24 hr trend......5 degrees down.
* Max Humidity..........93-100 percent.
24 hr trend......1 percent up.
* Wind (20 FT).
Lower Elevations...North winds around 5 mph shifting to the
west after midnight.
Ridges.............West winds around 5 mph.
* Mixing Height.........1500-3000 ft agl decreasing to 1000 ft agl
in the late evening and overnight.
* Transport Winds.......West 10 to 15 mph.
* CWR...................10 percent.
.SATURDAY...
* Sky/Weather...........Mostly sunny. Patchy fog in the morning.
Slight chance of showers through the day. Slight chance of
thunderstorms in the afternoon.
* Chance Lightning.......20 percent.
* Max Temperature.......75-83...67-73 higher elevations.
24 hr trend......8 degrees up.
* Min Humidity..........37-47 percent...47-55 percent higher
elevations.
24 hr trend......28 percent down.
* Wind (20 FT).
Lower Elevations...Northwest winds around 5 mph.
Ridges.............Northwest winds around 5 mph.
* Mixing Height.........1000-2500 ft agl increasing to 8000 ft agl.
* Transport Winds.......West 15 to 20 mph.
* CWR...................10 percent.
.SATURDAY NIGHT...
* Sky/Weather...........Mostly clear.
* Chance Lightning.......0 percent.
* Min Temperature.......53-58.
24 hr trend......1 degree up.
* Max Humidity..........69-79 percent.
24 hr trend......28 percent down...33 percent down higher
elevations.
* Wind (20 FT).
Lower Elevations...East winds 10 to 15 mph shifting to the
south after midnight.
Ridges.............South winds 10 to 15 mph.
* Mixing Height.........8000 ft agl decreasing to 500-1000 ft agl.
* Transport Winds.......South 15 to 20 mph.
* CWR...................0 percent.
.SUNDAY...
* Sky/Weather...........Sunny.
* Chance Lightning.......0 percent.
* Max Temperature.......82-88...73-80 higher elevations.
24 hr trend......8 degrees up.
* Min Humidity..........24-31 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.............Southwest winds 10 to 15 mph shifting to
the northwest in the afternoon.
* Mixing Height.........500-1000 ft agl increasing to 10000-10500
ft agl.
* Transport Winds.......West 15 to 20 mph.
* CWR...................0 percent.
.FORECAST DAYS 3 THROUGH 7......
.LABOR DAY...Mostly clear. Lows in the mid 50s. Highs in the mid
80s. Northwest winds 10 to 15 mph.
.TUESDAY...Partly cloudy. Lows in the mid 50s. Highs in the lower
80s. North winds 10 to 15 mph.
.WEDNESDAY...Partly cloudy. Lows in the lower 50s. Highs in the
upper 70s. East winds 10 to 15 mph.
.THURSDAY...Partly cloudy. Lows around 50. Highs around 80.
.FRIDAY...Mostly clear. Lows in the lower 50s. Highs in the lower
80s.
$$
MTZ116-118-301045-
Lincoln Ranger District of the Helena National Forest-
Helena and Townsend Ranger Districts of the Helena National
Forest-
134 PM MDT Fri Aug 29 2025
.TONIGHT...
* Sky/Weather...........Partly cloudy. Slight chance of showers and
thunderstorms in the evening.
* Chance Lightning.......20 percent.
* Min Temperature.......47-53.
24 hr trend......1 degree down.
* Max Humidity..........81-91 percent.
24 hr trend......14 percent down.
* Wind (20 FT).
Lower Elevations...North winds 10 to 15 mph shifting to the
west after midnight.
Ridges.............Northwest winds 5 to 10 mph.
* Mixing Height.........7000 ft agl decreasing to 1000-1500 ft agl.
* Transport Winds.......North 15 to 20 mph shifting to the west
after midnight.
* CWR...................10 percent.
.SATURDAY...
* Sky/Weather...........Mostly sunny.
* Chance Lightning.......0 percent.
* Max Temperature.......74-82...65-74 higher elevations.
24 hr trend......3 degrees up.
* Min Humidity..........26-36 percent.
24 hr trend......27 percent down...40 percent down higher
elevations.
* Wind (20 FT).
Lower Elevations...Southwest winds around 5 mph shifting to
the northwest in the afternoon.
Ridges.............West winds 10 to 15 mph.
* Mixing Height.........1000-2000 ft agl increasing to 9000-10000
ft agl.
* Transport Winds.......West 15 to 20 mph.
* CWR...................0 percent.
.SATURDAY NIGHT...
* Sky/Weather...........Mostly clear.
* Chance Lightning.......0 percent.
* Min Temperature.......48-56.
24 hr trend......3 degrees up.
* Max Humidity..........53-63 percent.
24 hr trend......35 percent down.
* Wind (20 FT).
Lower Elevations...Northwest winds 10 to 15 mph shifting to
the south after midnight.
Ridges.............West winds 10 to 15 mph shifting to the
southwest after midnight.
* Mixing Height.........9500 ft agl decreasing to 1000-1500 ft agl.
* Transport Winds.......Northwest 15 to 20 mph shifting to the
southwest after midnight.
* CWR...................0 percent.
.SUNDAY...
* Sky/Weather...........Sunny.
* Chance Lightning.......0 percent.
* Max Temperature.......78-86...69-79 higher elevations.
24 hr trend......4 degrees up.
* Min Humidity..........19-26 percent.
24 hr trend......6 percent down.
* Wind (20 FT).
Lower Elevations...South winds 10 to 15 mph shifting to the
west in the afternoon.
Ridges.............Southwest winds 10 to 15 mph shifting to
the northwest in the afternoon.
* Mixing Height.........1000-1500 ft agl increasing to 9500-10500
ft agl.
* Transport Winds.......Southwest 15 to 20 mph shifting to the
northwest in the afternoon.
* CWR...................0 percent.
.FORECAST DAYS 3 THROUGH 7......
.LABOR DAY...Mostly clear. Lows in the lower 50s. Highs in the
lower 80s. East winds 10 to 15 mph.
.TUESDAY...Mostly clear. Lows in the mid 50s. Highs in the upper
70s. Northeast winds 10 to 15 mph.
.WEDNESDAY...Mostly clear. Lows in the lower 50s. Highs in the
upper 70s. North winds 10 to 15 mph.
.THURSDAY...Mostly clear. Lows in the lower 50s. Highs in the
upper 70s.
.FRIDAY...Partly cloudy. Lows in the lower 50s. Highs in the
upper 70s.
$$
MTZ117-301045-
Central and Eastern Lewis and Clark National Forest Areas-
134 PM MDT Fri Aug 29 2025
.TONIGHT...
* Sky/Weather...........Mostly cloudy. Chance of showers and
thunderstorms in the evening. Slight chance of showers after
midnight. Patchy fog after midnight.
* Chance Lightning.......50 percent.
* Min Temperature.......45-53.
24 hr trend......8 degrees down...2 degrees down higher
elevations.
* Max Humidity..........88-98 percent.
24 hr trend......1 percent up.
* Wind (20 FT).
Lower Elevations...Northwest winds 10 to 15 mph shifting to
the west after midnight.
Ridges.............West winds 10 to 15 mph.
* Mixing Height.........2500-3500 ft agl decreasing to 1000 ft agl
early in the evening.
* Transport Winds.......West 10 to 15 mph.
* CWR...................10 percent.
.SATURDAY...
* Sky/Weather...........Mostly sunny. Slight chance of showers and
thunderstorms in the afternoon.
* Chance Lightning.......10 percent.
* Max Temperature.......75-85...64-74 higher elevations.
24 hr trend......6 degrees up.
* Min Humidity..........30-40 percent.
24 hr trend......38 percent down.
* 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 20 to 25 mph.
* CWR...................0 percent.
.SATURDAY NIGHT...
* Sky/Weather...........Partly cloudy.
* Chance Lightning.......0 percent.
* Min Temperature.......48-56.
24 hr trend......3 degrees up.
* Max Humidity..........58-68 percent.
24 hr trend......37 percent down...46 percent down higher
elevations.
* Wind (20 FT).
Lower Elevations...Southwest winds 10 to 15 mph.
Ridges.............Southwest winds 10 to 15 mph.
* Mixing Height.........9000 ft agl decreasing to 1000 ft agl.
* Transport Winds.......West 15 to 20 mph.
* CWR...................0 percent.
.SUNDAY...
* Sky/Weather...........Sunny.
* Chance Lightning.......0 percent.
* Max Temperature.......79-89...69-79 higher elevations.
24 hr trend......4 degrees up.
* Min Humidity..........19-27 percent.
24 hr trend......10 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.........500-1500 ft agl increasing to 9000-10500 ft
agl.
* Transport Winds.......West 15 to 20 mph.
* CWR...................0 percent.
.FORECAST DAYS 3 THROUGH 7......
.LABOR DAY...Mostly clear. Lows in the lower 50s. Highs in the
lower 80s. East winds 10 to 15 mph.
.TUESDAY...Mostly clear. Lows in the lower 50s. Highs in the
upper 70s. North winds 10 to 15 mph.
.WEDNESDAY...Partly cloudy. Lows around 50. Highs in the mid 70s.
Northeast winds 10 to 15 mph.
.THURSDAY...Mostly clear. Lows around 50. Highs in the upper 70s.
.FRIDAY...Partly cloudy. Lows around 50. Highs in the upper 70s.
$$
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