Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
959
FNUS55 KTFX 290942
FWFTFX
Fire Weather Planning Forecast for North-Central Montana
National Weather Service Great Falls MT
342 AM MDT Fri Aug 29 2025
.DISCUSSION...
Scattered showers/isolated thunderstorms are likely across the
districts today, along with high humidity and cool temps. It
starts to dry out on Sat, except for a few showers around
Havre/Lewistown. Lower humidity and warm temperatures are expected
for Sun/Mon. Brusda
MTZ112-292300-
Eastern Glacier/Toole/Central/Eastern Pondera/Liberty-
342 AM MDT Fri Aug 29 2025
.TODAY...
* Sky/Weather...........Partly sunny. Patchy fog in the morning.
Chance of showers and slight chance of thunderstorms through the
day.
* Chance Lightning.......20 percent.
* Max Temperature.......67-72...60-68 higher elevations.
24 hr trend......3 degrees down.
* Min Humidity..........55-65 percent.
24 hr trend......17 percent up...3 percent up higher elevations.
* Wind (20 FT).
Lower Elevations...Northeast winds 5 to 10 mph.
Ridges.............East winds around 5 mph.
* Mixing Height.........1000-2500 ft agl increasing to 3000-3500 ft
agl in the afternoon.
* Transport Winds.......North 15 to 20 mph.
* CWR...................20 percent.
.TONIGHT...
* Sky/Weather...........Mostly cloudy. Slight chance of showers and
thunderstorms in the evening. Patchy fog in the evening. Areas of
fog after midnight.
* Chance Lightning.......20 percent.
* Min Temperature.......47-52.
24 hr trend......7 degrees down.
* Max Humidity..........89-99 percent.
24 hr trend......1 percent up...14 percent down higher
elevations.
* Wind (20 FT).
Lower Elevations...Southeast winds around 5 mph shifting to
the west after midnight.
Ridges.............Southeast winds around 5 mph shifting to
the southwest after midnight.
* Mixing Height.........2500-3500 ft agl decreasing to 1000-1500 ft
agl early in the evening.
* Transport Winds.......Northeast 15 to 20 mph shifting to the
northwest after midnight.
* CWR...................0 percent.
.SATURDAY...
* Sky/Weather...........Mostly sunny. Areas of fog in the morning.
* Chance Lightning.......0 percent.
* Max Temperature.......78-84...71-77 higher elevations.
24 hr trend......11 degrees up.
* Min Humidity..........25-32 percent.
24 hr trend......32 percent down...19 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 8500-9500 ft
agl.
* Transport Winds.......West 15 to 20 mph.
* CWR...................0 percent.
.FORECAST DAYS 3 THROUGH 7......
.SUNDAY...Mostly clear. Lows in the lower 50s. Highs in the upper
80s. West winds 10 to 15 mph.
.LABOR DAY...Mostly clear. Lows in the lower 50s. Highs in the
upper 80s. Southeast winds 10 to 15 mph.
.TUESDAY...Partly cloudy. Slight chance of showers. Lows in the
mid 50s. Highs in the upper 70s. North winds 10 to 15 mph.
.WEDNESDAY...Partly cloudy. Lows in the upper 40s. Highs in the
upper 70s.
.THURSDAY...Partly cloudy. Lows around 50. Highs in the lower
80s.
$$
MTZ113-292300-
Hill and Blaine Counties-
342 AM MDT Fri Aug 29 2025
.TODAY...
* Sky/Weather...........Mostly cloudy. Patchy fog in the morning.
Showers likely in the morning. Slight chance of thunderstorms
through the day. Chance of showers in the afternoon.
* Chance Lightning.......20 percent.
* Max Temperature.......67-73...59-64 higher elevations.
24 hr trend......7 degrees down.
* Min Humidity..........57-67 percent...66-75 percent higher
elevations.
24 hr trend......27 percent up.
* Wind (20 FT).
Lower Elevations...North winds around 5 mph.
Ridges.............East winds around 5 mph.
* Mixing Height.........500-2000 ft agl increasing to 2500 ft agl
in the afternoon.
* Transport Winds.......Northeast 15 to 20 mph.
* CWR...................20 percent.
.TONIGHT...
* Sky/Weather...........Mostly cloudy. Patchy fog in the evening.
Areas of fog after midnight. Chance of showers and slight chance
of thunderstorms through the night.
* Chance Lightning.......20 percent.
* Min Temperature.......52-57...46-54 higher elevations.
24 hr trend......5 degrees down.
* Max Humidity..........89-99 percent.
24 hr trend......1 percent up...6 percent up higher elevations.
* Wind (20 FT).
Lower Elevations...North winds around 5 mph shifting to the
west after midnight.
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.
* CWR...................20 percent.
.SATURDAY...
* Sky/Weather...........Partly sunny. Areas of fog in the morning.
Slight chance of showers in the morning, then chance of showers
and slight chance of thunderstorms in the afternoon.
* Chance Lightning.......20 percent.
* Max Temperature.......75-80...68-73 higher elevations.
24 hr trend......11 degrees up.
* Min Humidity..........34-44 percent.
24 hr trend......27 percent down.
* Wind (20 FT).
Lower Elevations...Southwest winds around 5 mph.
Ridges.............Southwest winds around 5 mph.
* Mixing Height.........1000-2500 ft agl increasing to 5000 ft agl.
* Transport Winds.......Southeast 10 to 15 mph shifting to the
southwest in the afternoon.
* CWR...................10 percent.
.FORECAST DAYS 3 THROUGH 7......
.SUNDAY...Mostly clear. Lows in the lower 50s. Highs in the mid
80s. Southwest winds 10 to 15 mph.
.LABOR DAY...Mostly clear. Lows in the mid 50s. Highs in the mid
80s. North winds around 5 mph.
.TUESDAY...Partly cloudy. Slight chance of showers. 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.
.THURSDAY...Partly cloudy. Lows in the upper 40s. Highs in the
upper 70s.
$$
MTZ114-292300-
Lewis and Clark National Forest Rocky Mountain District-
Rocky Mountain Front-
342 AM MDT Fri Aug 29 2025
.TODAY...
* Sky/Weather...........Mostly cloudy. Areas of fog in the morning.
Chance of showers and slight chance of thunderstorms in the
morning, then showers likely and chance of thunderstorms in the
afternoon.
* Chance Lightning.......50 percent.
* Max Temperature.......68-73...56-66 higher elevations.
24 hr trend......1 degree down.
* Min Humidity..........62-72 percent.
24 hr trend......14 percent up.
* Wind (20 FT).
Lower Elevations...North winds 5 to 10 mph.
Ridges.............North winds 5 to 10 mph.
* Mixing Height.........1000-2500 ft agl increasing to 3500-5000 ft
agl late in the morning.
* Transport Winds.......Northwest 15 to 20 mph.
* CWR...................20 percent.
.TONIGHT...
* Sky/Weather...........Mostly cloudy then becoming partly cloudy.
Slight chance of showers and thunderstorms in the evening. Areas
of fog after midnight.
* Chance Lightning.......20 percent.
* Min Temperature.......45-52.
24 hr trend......7 degrees down.
* Max Humidity..........87-97 percent.
24 hr trend......1 percent up...10 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 10 to 15 mph.
* CWR...................0 percent.
.SATURDAY...
* Sky/Weather...........Mostly sunny. Areas of fog in the morning.
* Chance Lightning.......0 percent.
* Max Temperature.......78-84...65-75 higher elevations.
24 hr trend......11 degrees up.
* Min Humidity..........25-30 percent...30-40 percent higher
elevations.
24 hr trend......35 percent down.
* Wind (20 FT).
Lower Elevations...West winds 10 to 15 mph.
Ridges.............West winds 10 to 15 mph.
* Mixing Height.........1000-2500 ft agl increasing to 8500-10000
ft agl.
* Transport Winds.......West 15 to 20 mph.
* CWR...................0 percent.
.FORECAST DAYS 3 THROUGH 7......
.SUNDAY...Mostly clear. Lows in the lower 50s. Highs in the lower
80s. West winds 10 to 15 mph.
.LABOR DAY...Mostly clear. Lows in the lower 50s. Highs in the
mid 80s. Southeast winds 10 to 15 mph.
.TUESDAY...Partly cloudy. Lows in the lower 50s. Highs in the
upper 70s. North winds 15 to 20 mph.
.WEDNESDAY...Partly cloudy. Lows around 50. Highs in the upper
70s.
.THURSDAY...Partly cloudy. Lows in the lower 50s. Highs in the
lower 80s.
$$
MTZ115-292300-
Chouteau and Fergus Counties-
342 AM MDT Fri Aug 29 2025
.TODAY...
* Sky/Weather...........Mostly cloudy. Areas of fog in the morning.
Showers likely and slight chance of thunderstorms in the morning,
then chance of showers and thunderstorms in the afternoon.
* Chance Lightning.......50 percent.
* Max Temperature.......68-73...61-67 higher elevations.
24 hr trend......6 degrees down.
* Min Humidity..........58-68 percent...69-79 percent higher
elevations.
24 hr trend......30 percent up.
* Wind (20 FT).
Lower Elevations...Northwest winds around 5 mph shifting to
the northeast in the afternoon.
Ridges.............Northwest winds around 5 mph shifting to
the east in the afternoon.
* Mixing Height.........1000-2500 ft agl increasing to 3000-3500 ft
agl in the afternoon.
* Transport Winds.......Northwest 10 to 15 mph.
* CWR...................30 percent.
.TONIGHT...
* Sky/Weather...........Mostly cloudy. Patchy fog in the evening,
then areas of fog after midnight. Chance of showers and
thunderstorms in the evening, then slight chance of showers after
midnight.
* Chance Lightning.......40 percent.
* Min Temperature.......52-57.
24 hr trend......6 degrees down.
* Max Humidity..........89-99 percent.
24 hr trend......1 percent up...6 percent down higher
elevations.
* Wind (20 FT).
Lower Elevations...Southwest winds around 5 mph.
Ridges.............Southwest winds around 5 mph.
* Mixing Height.........1500-3000 ft agl decreasing to 1000-1500 ft
agl late in the evening.
* Transport Winds.......North 10 to 15 mph shifting to the west
after midnight.
* CWR...................20 percent.
.SATURDAY...
* Sky/Weather...........Partly sunny. Areas of fog in the morning.
Slight chance of showers in the afternoon.
* Chance Lightning.......0 percent.
* Max Temperature.......76-83...67-74 higher elevations.
24 hr trend......8 degrees up.
* Min Humidity..........30-40 percent...40-48 percent higher
elevations.
24 hr trend......33 percent down.
* Wind (20 FT).
Lower Elevations...West winds around 5 mph.
Ridges.............West winds around 5 mph.
* Mixing Height.........1000-2500 ft agl increasing to 7000 ft agl.
* Transport Winds.......West 15 to 20 mph.
* CWR...................0 percent.
.FORECAST DAYS 3 THROUGH 7......
.SUNDAY...Mostly clear. Slight chance of showers. Lows in the mid
50s. Highs in the upper 80s. Southwest winds 10 to 15 mph.
.LABOR DAY...Mostly clear. Lows in the mid 50s. Highs in the
upper 80s. Southeast winds 10 to 15 mph.
.TUESDAY...Partly cloudy. Slight chance of showers. Lows in the
mid 50s. Highs around 80. Northeast winds 10 to 15 mph.
.WEDNESDAY...Partly cloudy. Slight chance of showers. Lows in the
lower 50s. Highs in the upper 70s.
.THURSDAY...Partly cloudy. Lows in the lower 50s. Highs in the
lower 80s.
$$
MTZ116-118-292300-
Lincoln Ranger District of the Helena National Forest-
Helena and Townsend Ranger Districts of the Helena National
Forest-
342 AM MDT Fri Aug 29 2025
.TODAY...
* Sky/Weather...........Partly sunny. Patchy fog in the morning.
Slight chance of showers in the morning, then chance of showers
and thunderstorms in the afternoon.
* Chance Lightning.......50 percent.
* Max Temperature.......68-77...60-69 higher elevations.
24 hr trend......12 degrees up.
* Min Humidity..........54-64 percent.
24 hr trend......21 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 6000-7500 ft
agl.
* Transport Winds.......West 15 to 20 mph.
* CWR...................10 percent.
.TONIGHT...
* Sky/Weather...........Mostly cloudy then becoming partly cloudy.
Slight chance of showers and thunderstorms in the evening.
* Chance Lightning.......20 percent.
* Min Temperature.......47-53.
24 hr trend......6 degrees down.
* Max Humidity..........82-92 percent.
24 hr trend......14 percent down.
* Wind (20 FT).
Lower Elevations...North winds 10 to 15 mph shifting to the
southwest after midnight.
Ridges.............Northwest winds 5 to 10 mph.
* Mixing Height.........6000 ft agl decreasing to 1000 ft agl.
* Transport Winds.......Northwest 10 to 15 mph.
* CWR...................10 percent.
.SATURDAY...
* Sky/Weather...........Mostly sunny.
* Chance Lightning.......0 percent.
* Max Temperature.......74-82...65-75 higher elevations.
24 hr trend......3 degrees up.
* Min Humidity..........28-38 percent.
24 hr trend......20 percent down.
* Wind (20 FT).
Lower Elevations...West winds 5 to 10 mph.
Ridges.............West winds 5 to 10 mph.
* Mixing Height.........1000-2000 ft agl increasing to 8000-9000 ft
agl.
* Transport Winds.......West 15 to 20 mph.
* CWR...................0 percent.
.FORECAST DAYS 3 THROUGH 7......
.SUNDAY...Mostly clear. Lows in the lower 50s. Highs in the lower
80s. Southwest winds 10 to 15 mph.
.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...Mostly clear. Lows in the lower 50s. Highs in the
upper 70s.
.THURSDAY...Partly cloudy. Lows in the lower 50s. Highs in the
upper 70s.
$$
MTZ117-292300-
Central and Eastern Lewis and Clark National Forest Areas-
342 AM MDT Fri Aug 29 2025
.TODAY...
* Sky/Weather...........Mostly cloudy. Patchy fog in the morning.
Slight chance of thunderstorms in the morning. Chance of showers
through the day. Chance of thunderstorms in the afternoon.
* Chance Lightning.......50 percent.
* Max Temperature.......68-74...58-67 higher elevations.
24 hr trend......2 degrees up.
* Min Humidity..........62-72 percent.
24 hr trend......14 percent up.
* 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 3500-5000 ft
agl late in the morning.
* Transport Winds.......West 15 to 20 mph.
* CWR...................30 percent.
.TONIGHT...
* Sky/Weather...........Mostly cloudy. Chance of showers and
thunderstorms in the evening. Patchy fog after midnight.
* Chance Lightning.......40 percent.
* Min Temperature.......45-53.
24 hr trend......6 degrees down.
* Max Humidity..........87-97 percent.
24 hr trend......1 percent up...14 percent down higher
elevations.
* Wind (20 FT).
Lower Elevations...Northwest winds 10 to 15 mph shifting to
the southwest after midnight.
Ridges.............West winds 10 to 15 mph.
* Mixing Height.........1500-3000 ft agl decreasing to 1000 ft agl
in the late evening and overnight.
* Transport Winds.......West 15 to 20 mph.
* CWR...................10 percent.
.SATURDAY...
* Sky/Weather...........Mostly sunny. Patchy fog in the morning.
Slight chance of showers in the afternoon.
* Chance Lightning.......0 percent.
* Max Temperature.......74-84...64-74 higher elevations.
24 hr trend......13 degrees up...3 degrees up higher elevations.
* Min Humidity..........29-39 percent.
24 hr trend......29 percent down...34 percent down higher
elevations.
* Wind (20 FT).
Lower Elevations...West winds 10 to 15 mph.
Ridges.............West winds 10 to 15 mph.
* Mixing Height.........1000-2000 ft agl increasing to 8500-10000
ft agl.
* Transport Winds.......West 20 to 25 mph.
* CWR...................0 percent.
.FORECAST DAYS 3 THROUGH 7......
.SUNDAY...Mostly clear. Lows in the lower 50s. Highs in the lower
80s. Southwest winds 10 to 15 mph.
.LABOR DAY...Mostly clear. Lows in the lower 50s. Highs in the
lower 80s. Southeast 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. Slight chance of showers. Lows in the
upper 40s. Highs in the mid 70s.
.THURSDAY...Partly cloudy. Lows in the upper 40s. Highs in the
upper 70s.
$$
weather.gov/greatfalls