388
FNUS55 KTFX 210853
FWFTFX

Fire Weather Planning Forecast for North-Central Montana
National Weather Service Great Falls MT
253 AM MDT Thu Aug 21 2025

.DISCUSSION...

As high pressure builds in over Eastern Montana over the next few
days, expect temperatures to be noticeably cooler over the next
few days than they have been earlier this week. Expect skies to be
generally clear with light winds generally out of the east.
Ludwig

MTZ112-212215-
Eastern Glacier/Toole/Central/Eastern Pondera/Liberty-
253 AM MDT Thu Aug 21 2025

.TODAY...
* Sky/Weather...........Mostly sunny.
* Chance Lightning.......0 percent.
* Max Temperature.......73-79...66-72 higher elevations.
   24 hr trend......13 degrees down...6 degrees down higher
elevations.
* Min Humidity..........26-33 percent.
   24 hr trend......9 percent up...1 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 ft agl.
* Transport Winds.......Northwest 15 to 20 mph.
* CWR...................0 percent.

.TONIGHT...
* Sky/Weather...........Partly cloudy.
* Chance Lightning.......0 percent.
* Min Temperature.......45-51.
   24 hr trend......Unchanged.
* Max Humidity..........60-70 percent.
   24 hr trend......26 percent down...17 percent down higher
elevations.
* Wind (20 FT).
     Lower Elevations...North winds 10 to 15 mph.
     Ridges.............North winds 10 to 15 mph.
* Mixing Height.........6500-8000 ft agl decreasing to 500-1000 ft
  agl early in the evening.
* Transport Winds.......Northeast 20 to 25 mph.
* CWR...................0 percent.

.FRIDAY...
* Sky/Weather...........Mostly sunny.
* Chance Lightning.......0 percent.
* Max Temperature.......69-75...62-67 higher elevations.
   24 hr trend......8 degrees down.
* Min Humidity..........31-37 percent.
   24 hr trend......5 percent up.
* Wind (20 FT).
     Lower Elevations...North winds 10 to 15 mph.
     Ridges.............North winds 10 to 15 mph.
* Mixing Height.........1000-2500 ft agl increasing to 5000-6500 ft
  agl.
* Transport Winds.......North 20 to 25 mph.
* CWR...................0 percent.


.FORECAST DAYS 3 THROUGH 7......
.SATURDAY...Mostly clear. Lows in the upper 40s. Highs in the
upper 70s. East winds 10 to 15 mph.
.SUNDAY...Mostly clear. Lows in the upper 40s. Highs in the upper
70s. East winds 10 to 15 mph.
.MONDAY...Mostly clear. Lows in the upper 40s. Highs around 80.
East winds 10 to 15 mph.
.TUESDAY...Mostly clear. Lows around 50. Highs in the lower 80s.
.WEDNESDAY...Mostly clear. Lows in the lower 50s. Highs in the
mid 80s.

$$

MTZ113-212215-
Hill and Blaine Counties-
253 AM MDT Thu Aug 21 2025

.TODAY...
* Sky/Weather...........Sunny.
* Chance Lightning.......0 percent.
* Max Temperature.......74-79...68-73 higher elevations.
   24 hr trend......10 degrees down.
* Min Humidity..........30-37 percent.
   24 hr trend......2 percent down.
* Wind (20 FT).
     Lower Elevations...Northwest winds 10 to 15 mph.
     Ridges.............Northwest winds 10 to 15 mph.
* Mixing Height.........500-1500 ft agl increasing to 7500 ft agl.
* Transport Winds.......Northwest 20 to 25 mph.
* CWR...................0 percent.

.TONIGHT...
* Sky/Weather...........Partly cloudy.
* Chance Lightning.......0 percent.
* Min Temperature.......48-54.
   24 hr trend......3 degrees down.
* Max Humidity..........58-68 percent.
   24 hr trend......22 percent down...30 percent down higher
elevations.
* Wind (20 FT).
     Lower Elevations...North winds 10 to 15 mph.
     Ridges.............North winds 10 to 15 mph.
* Mixing Height.........6000-7500 ft agl decreasing to 500-1000 ft
  agl early in the evening.
* Transport Winds.......North 20 to 25 mph.
* CWR...................0 percent.

.FRIDAY...
* Sky/Weather...........Mostly sunny.
* Chance Lightning.......0 percent.
* Max Temperature.......70-75...63-68 higher elevations.
   24 hr trend......3 degrees down.
* Min Humidity..........32-40 percent.
   24 hr trend......1 percent up.
* Wind (20 FT).
     Lower Elevations...North winds 10 to 15 mph.
     Ridges.............North winds 10 to 15 mph.
* Mixing Height.........500-1500 ft agl increasing to 6500 ft agl.
* Transport Winds.......North around 25 mph.
* CWR...................0 percent.


.FORECAST DAYS 3 THROUGH 7......
.SATURDAY...Mostly clear. Lows in the upper 40s. Highs in the mid
70s. East winds 10 to 15 mph.
.SUNDAY...Mostly clear. Lows in the upper 40s. Highs in the mid
70s. East winds 10 to 15 mph.
.MONDAY...Mostly clear. Lows around 50. Highs around 80. East
winds 10 to 15 mph.
.TUESDAY...Mostly clear. Lows around 50. Highs in the lower 80s.
.WEDNESDAY...Mostly clear. Lows in the lower 50s. Highs in the
mid 80s.

$$

MTZ114-212215-
Lewis and Clark National Forest Rocky Mountain District-
Rocky Mountain Front-
253 AM MDT Thu Aug 21 2025

.TODAY...
* Sky/Weather...........Sunny.
* Chance Lightning.......0 percent.
* Max Temperature.......75-81...64-74 higher elevations.
   24 hr trend......10 degrees down...5 degrees down higher
elevations.
* Min Humidity..........22-29 percent.
   24 hr trend......3 percent up...4 percent down higher
elevations.
* Wind (20 FT).
     Lower Elevations...North 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 7500-8500 ft
  agl.
* Transport Winds.......North 15 to 20 mph shifting to the west in
  the afternoon.
* CWR...................0 percent.

.TONIGHT...
* Sky/Weather...........Partly cloudy.
* Chance Lightning.......0 percent.
* Min Temperature.......42-51.
   24 hr trend......Unchanged.
* Max Humidity..........60-70 percent.
   24 hr trend......13 percent down...1 percent down higher
elevations.
* Wind (20 FT).
     Lower Elevations...North winds 10 to 15 mph.
     Ridges.............North winds 10 to 15 mph.
* Mixing Height.........8000 ft agl decreasing to 1000-2000 ft agl.
* Transport Winds.......Northeast 15 to 20 mph.
* CWR...................0 percent.

.FRIDAY...
* Sky/Weather...........Mostly sunny.
* Chance Lightning.......0 percent.
* Max Temperature.......70-75...57-67 higher elevations.
   24 hr trend......8 degrees down.
* Min Humidity..........30-35 percent...35-45 percent higher
  elevations.
   24 hr trend......5 percent up...15 percent up higher elevations.
* Wind (20 FT).
     Lower Elevations...Northeast winds 10 to 15 mph.
     Ridges.............Northeast winds 10 to 15 mph.
* Mixing Height.........1000-2000 ft agl increasing to 5000-6000 ft
  agl.
* Transport Winds.......Northeast 15 to 20 mph.
* CWR...................0 percent.


.FORECAST DAYS 3 THROUGH 7......
.SATURDAY...Mostly clear. Lows in the mid 40s. Highs in the mid
70s. Northeast winds 10 to 15 mph.
.SUNDAY...Partly cloudy. Lows in the upper 40s. Highs in the
upper 70s. Northeast winds 10 to 15 mph.
.MONDAY...Partly cloudy. Lows around 50. Highs in the upper 70s.
Northeast winds 10 to 15 mph.
.TUESDAY...Mostly clear. Lows around 50. Highs around 80.
.WEDNESDAY...Partly cloudy. Lows in the lower 50s. Highs in the
lower 80s.

$$

MTZ115-212215-
Chouteau and Fergus Counties-
253 AM MDT Thu Aug 21 2025

.TODAY...
* Sky/Weather...........Mostly sunny.
* Chance Lightning.......0 percent.
* Max Temperature.......77-82...68-75 higher elevations.
   24 hr trend......10 degrees down.
* Min Humidity..........27-37 percent.
   24 hr trend......4 percent up.
* Wind (20 FT).
     Lower Elevations...Northwest winds 10 to 15 mph.
     Ridges.............Northwest winds 10 to 15 mph.
* Mixing Height.........500-2000 ft agl increasing to 7500 ft agl.
* Transport Winds.......Northwest 15 to 20 mph.
* CWR...................0 percent.

.TONIGHT...
* Sky/Weather...........Partly cloudy.
* Chance Lightning.......0 percent.
* Min Temperature.......52-57.
   24 hr trend......Unchanged.
* Max Humidity..........57-67 percent.
   24 hr trend......18 percent down...5 percent down higher
elevations.
* Wind (20 FT).
     Lower Elevations...Northeast winds 10 to 15 mph.
     Ridges.............Northeast winds 5 to 10 mph.
* Mixing Height.........6000-7000 ft agl decreasing to 500-1000 ft
  agl early in the evening.
* Transport Winds.......Northeast 15 to 20 mph.
* CWR...................0 percent.

.FRIDAY...
* Sky/Weather...........Mostly sunny.
* Chance Lightning.......0 percent.
* Max Temperature.......71-77...62-69 higher elevations.
   24 hr trend......5 degrees down.
* Min Humidity..........29-37 percent.
   24 hr trend......4 percent up...1 percent down higher
elevations.
* Wind (20 FT).
     Lower Elevations...North winds 10 to 15 mph.
     Ridges.............North winds 10 to 15 mph.
* Mixing Height.........1000-2500 ft agl increasing to 5500-7000 ft
  agl.
* Transport Winds.......North 15 to 20 mph.
* CWR...................0 percent.


.FORECAST DAYS 3 THROUGH 7......
.SATURDAY...Mostly clear. Lows around 50. Highs in the upper 70s.
East winds 10 to 15 mph.
.SUNDAY...Mostly clear. Lows in the lower 50s. Highs in the upper
70s. East winds 15 to 20 mph.
.MONDAY...Partly cloudy. Lows in the lower 50s. Highs in the
lower 80s. East winds 15 to 20 mph.
.TUESDAY...Mostly clear. Lows in the lower 50s. Highs in the
lower 80s.
.WEDNESDAY...Mostly clear. Lows in the mid 50s. Highs in the mid
80s.

$$

MTZ116-118-212215-
Lincoln Ranger District of the Helena National Forest-
Helena and Townsend Ranger Districts of the Helena National
Forest-
253 AM MDT Thu Aug 21 2025

.TODAY...
* Sky/Weather...........Mostly sunny.
* Chance Lightning.......0 percent.
* Max Temperature.......77-84...67-77 higher elevations.
   24 hr trend......7 degrees down.
* Min Humidity..........20-29 percent.
   24 hr trend......11 percent up...5 percent up higher elevations.
* Wind (20 FT).
     Lower Elevations...North winds 10 to 15 mph.
     Ridges.............Northwest winds 10 to 15 mph.
* Mixing Height.........1000-2500 ft agl increasing to 8000-9000 ft
  agl.
* Transport Winds.......North 15 to 20 mph shifting to the west in
  the afternoon.
* CWR...................0 percent.

.TONIGHT...
* Sky/Weather...........Partly cloudy.
* Chance Lightning.......0 percent.
* Min Temperature.......46-54.
   24 hr trend......3 degrees down.
* Max Humidity..........62-72 percent.
   24 hr trend......3 percent up.
* Wind (20 FT).
     Lower Elevations...North winds 10 to 15 mph.
     Ridges.............North winds 10 to 15 mph increasing to
northeast 20 to 25 mph after midnight.
* Mixing Height.........8000 ft agl decreasing to 1000-2000 ft agl.
* Transport Winds.......Northeast 20 to 25 mph.
* CWR...................0 percent.

.FRIDAY...
* Sky/Weather...........Mostly sunny.
* Chance Lightning.......0 percent.
* Max Temperature.......71-81...62-72 higher elevations.
   24 hr trend......5 degrees down...10 degrees down higher
elevations.
* Min Humidity..........29-39 percent.
   24 hr trend......6 percent up.
* Wind (20 FT).
     Lower Elevations...Northeast winds 15 to 20 mph.
     Ridges.............North winds 20 to 25 mph becoming northeast
10 to 15 mph in the afternoon.
* Mixing Height.........1000-2500 ft agl increasing to 5000-6500 ft
  agl.
* Transport Winds.......Northeast 20 to 25 mph.
* CWR...................0 percent.


.FORECAST DAYS 3 THROUGH 7......
.SATURDAY...Mostly clear. Lows in the upper 40s. Highs in the
upper 70s. Northeast winds 15 to 20 mph.
.SUNDAY...Partly cloudy. Lows around 50. Highs in the upper 70s.
Northeast winds 15 to 20 mph.
.MONDAY...Partly cloudy. Lows in the lower 50s. Highs in the
upper 70s. Northeast winds 10 to 15 mph.
.TUESDAY...Partly cloudy. Lows in the lower 50s. Highs in the
upper 70s.
.WEDNESDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the lower 50s. Highs in the upper 70s.

$$

MTZ117-212215-
Central and Eastern Lewis and Clark National Forest Areas-
253 AM MDT Thu Aug 21 2025

.TODAY...
* Sky/Weather...........Mostly sunny.
* Chance Lightning.......0 percent.
* Max Temperature.......76-82...66-75 higher elevations.
   24 hr trend......9 degrees down.
* Min Humidity..........27-37 percent.
   24 hr trend......4 percent up.
* Wind (20 FT).
     Lower Elevations...North winds 10 to 15 mph.
     Ridges.............North winds 10 to 15 mph.
* Mixing Height.........1000-2500 ft agl increasing to 8000-8500 ft
  agl.
* Transport Winds.......Northwest 10 to 15 mph.
* CWR...................0 percent.

.TONIGHT...
* Sky/Weather...........Partly cloudy.
* Chance Lightning.......0 percent.
* Min Temperature.......46-53.
   24 hr trend......3 degrees down.
* Max Humidity..........63-73 percent.
   24 hr trend......8 percent down...4 percent up higher
elevations.
* Wind (20 FT).
     Lower Elevations...Northeast winds 10 to 15 mph.
     Ridges.............East winds 10 to 15 mph.
* Mixing Height.........5500-7000 ft agl decreasing to 1000-1500 ft
  agl early in the evening.
* Transport Winds.......East 20 to 25 mph.
* CWR...................0 percent.

.FRIDAY...
* Sky/Weather...........Mostly sunny.
* Chance Lightning.......0 percent.
* Max Temperature.......70-76...61-70 higher elevations.
   24 hr trend......3 degrees down.
* Min Humidity..........30-37 percent...36-46 percent higher
  elevations.
   24 hr trend......12 percent up.
* Wind (20 FT).
     Lower Elevations...Northeast winds 15 to 20 mph.
     Ridges.............Northeast winds 15 to 20 mph.
* Mixing Height.........1000-2500 ft agl increasing to 5500 ft agl.
* Transport Winds.......Northeast 20 to 25 mph.
* CWR...................0 percent.


.FORECAST DAYS 3 THROUGH 7......
.SATURDAY...Mostly clear. Lows in the mid 40s. Highs in the mid
70s. East winds 15 to 20 mph.
.SUNDAY...Partly cloudy. Lows in the upper 40s. Highs in the mid
70s. East winds 15 to 20 mph.
.MONDAY...Partly cloudy. Lows in the upper 40s. Highs in the
upper 70s. East winds 15 to 20 mph.
.TUESDAY...Mostly clear. Lows in the upper 40s. Highs in the
upper 70s.
.WEDNESDAY...Partly cloudy. Lows in the lower 50s. Highs in the
upper 70s.

$$

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