Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Missoula, MT

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FNUS55 KMSO 082035
FWFMSO

Fire Weather Planning Forecast for Wrn Montana and N Cntrl Idaho
National Weather Service Missoula MT
235 PM MDT Fri Aug 8 2025


.DISCUSSION...

Idaho (Zones 102 and 103): Expect a return to summer-like temperatures
by Sunday as a warming and drying trend takes hold this weekend, driven
by high pressure building to the west.

Northwest MT (Zones 104 and 105): Expect a return to summer-like
temperatures by Sunday as a warming and drying trend takes hold this
weekend, driven by high pressure building to the west.

West Central MT (Zones 106, 107 and 108): Expect a return to summer-
like temperatures by Sunday as a warming and drying trend takes hold
this weekend, driven by high pressure building to the west.

Southwest MT (Zones 109, 110 and 111): Expect a return to summer-like
temperatures by Sunday as a warming and drying trend takes hold this
weekend, driven by high pressure building to the west.

IDZ102-103-092045-
Palouse/Hells Canyon-Clearwater/Nez Perce-
135 PM PDT Fri Aug 8 2025

.TONIGHT...
* Sky/Weather.........Partly cloudy.
* Min Temperature.....45-55.
* Max Humidity........48-58 percent.
* 20-Foot Winds.......
*     Lower Elevation......West 5-10 mph becoming variable less than 5
      mph after midnight.
*     Ridge Top............Northwest 5-15 mph.
* Mixing Height.......7 kft agl until 2000. Below 500 ft to 1 kft
  agl after 2100.
* Transport Winds.....West 10 mph until 0100, then variable less
  than 10 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...0 percent.

.SATURDAY...
* Sky/Weather.........Partly cloudy.
* Max Temperature.....80-90 valleys and 65-75 ridges.
* Min Humidity........19-29 percent valleys and 27-37 percent
  ridges.
* 20-Foot Winds.......
*     Lower Elevation......Calm to becoming upslope/upvalley 4-8 mph in
      the afternoon.
*     Ridge Top............Northwest 5-10 mph.
* Mixing Height.......1-2 kft agl until 1000. 9 kft agl after 1400.
* Transport Winds.....Variable less than 10 mph until 1000, then
  northwest 10 mph.
* Chance Lightning....0 percent in the Palouse/Hells Canyon...and
  near 0 percent in the Clearwater/Nez Perce.
* CWR (> 0.10 Inch)...0 percent.

.SATURDAY NIGHT...
* Sky/Weather.........Partly cloudy.
* Min Temperature.....48-58.
* Max Humidity........58-68 percent valleys and 52-62 percent
  ridges.
* 20-Foot Winds.......
*     Lower Elevation......Downslope/downvalley 1-3 mph.
*     Ridge Top............Northwest 5-10 mph.
* Mixing Height.......8 kft agl until 1900. Below 500 ft to 1 kft
  agl after 2100.
* Transport Winds.....Northwest 10 mph until 0100, then variable
  less than 10 mph.
* Chance Lightning....0 percent in the Palouse/Hells Canyon...and
  near 0 percent in the Clearwater/Nez Perce.
* CWR (> 0.10 Inch)...0 percent.

.SUNDAY...
* Sky/Weather.........Mostly sunny.
* Max Temperature.....85-95 valleys and 70-80 ridges.
* Min Humidity........20-30 percent valleys and 28-38 percent
  ridges.
* 20-Foot Winds.......
*     Lower Elevation......Calm to becoming upslope/upvalley 4-8 mph in
      the afternoon.
*     Ridge Top............South up to 5 mph becoming northwest 5-10
      mph in the afternoon.
* Mixing Height.......1-2 kft agl until 1000. 8 kft agl after 1300.
* Transport Winds.....Variable less than 10 mph until 1100, then
  northwest 10 mph.
* Chance Lightning....0 percent in the Palouse/Hells Canyon...and
  near 0 percent in the Clearwater/Nez Perce.
* CWR (> 0.10 Inch)...0 percent.

.MONDAY...Mostly clear. Lows 55-65. Highs 85-95. Min humidities
10-20 percent. Southwest winds 5-10 mph.
.TUESDAY...Mostly clear. Lows 60-70. Highs 85-95. Min humidities
10-20 percent. Southwest winds 5-10 mph.
.WEDNESDAY...Mostly clear. Lows 60-70. Highs 85-95. Southwest winds
10-15 mph.
.THURSDAY...Not as warm. Mostly clear. Lows 55-65. Highs 75-85.
.FRIDAY...Partly cloudy. Lows 50-60. Highs 75-85.

$$

MTZ104-105-092045-
Kootenai-Flathead/Glacier Park-
235 PM MDT Fri Aug 8 2025

.TONIGHT...
* Sky/Weather.........Partly cloudy. Chance of rain showers and
  thunderstorms.
* Min Temperature.....45-55.
* Max Humidity........87-97 percent valleys and 71-81 percent
  ridges.
* 20-Foot Winds.......
*     Lower Elevation......West 5-10 mph in the evening becoming
      downslope/downvalley 2-5 mph.
*     Ridge Top............West 10-20 mph.
* Mixing Height.......6 kft agl until 2000, then below 500 ft to 1
  kft agl.
* Transport Winds.....West 15 mph until 0500, then variable less
  than 10 mph.
* Chance Lightning....Near 0 percent in the Kootenai...and 15
  percent in the Flathead/Glacier Park.
* CWR (> 0.10 Inch)...0 percent in the Kootenai...and 20 percent in
  the Flathead/Glacier Park.

.SATURDAY...
* Sky/Weather.........Partly cloudy. Slight chance of thunderstorms
  in the afternoon.
* Max Temperature.....75-85 valleys and 60-70 ridges.
* Min Humidity........27-37 percent valleys and 41-51 percent
  ridges.
* 20-Foot Winds.......
*     Lower Elevation......Calm to becoming upslope/upvalley 4-8 mph in
      the afternoon.
*     Ridge Top............West 5-15 mph.
* Mixing Height.......3 kft agl until 1000. 9 kft agl after 1400.
* Transport Winds.....West 10 mph until 1500, then 15 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...0 percent.

.SATURDAY NIGHT...
* Sky/Weather.........Partly cloudy.
* Min Temperature.....45-55.
* Max Humidity........83-93 percent valleys and 60-70 percent
  ridges.
* 20-Foot Winds.......
*     Lower Elevation......Downslope/downvalley 1-3 mph.
*     Ridge Top............West 5-15 mph.
* Mixing Height.......8 kft agl until 1900. Below 500 ft to 1 kft
  agl after 2100.
* Transport Winds.....West 15 mph until 2200, then 10 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...0 percent.

.SUNDAY...
* Sky/Weather.........Mostly sunny.
* Max Temperature.....80-90 valleys and 65-75 ridges.
* Min Humidity........24-34 percent valleys and 35-45 percent
  ridges.
* 20-Foot Winds.......
*     Lower Elevation......Calm to becoming upslope/upvalley 4-8 mph in
      the afternoon.
*     Ridge Top............West 5-15 mph.
* Mixing Height.......2 kft agl until 1000. 8 kft agl after 1600.
* Transport Winds.....West 10 mph.
* Chance Lightning....0 percent in the Kootenai...and near 0
  percent in the Flathead/Glacier Park.
* CWR (> 0.10 Inch)...0 percent.

.MONDAY...Mostly clear. Lows 55-65. Highs 80-90. Min humidities
20-30 percent. West winds 5-10 mph.
.TUESDAY...Mostly clear. Slight chance of rain showers and
thunderstorms. Chance of precipitation 20 percent. Lows 55-65. Highs
75-85. Min humidities 15-25 percent. Southwest winds 10-15 mph.
.WEDNESDAY...Mostly clear. Lows 55-65. Highs 75-85. South winds
10-20 mph.
.THURSDAY...Partly cloudy. Lows 50-60. Highs 70-80.
.FRIDAY...Partly cloudy. Lows 50-60. Highs 65-75.

$$

MTZ106-108-092045-
West Lolo-East Lolo-
235 PM MDT Fri Aug 8 2025

.TONIGHT...
* Sky/Weather.........Partly cloudy.
* Min Temperature.....43-53.
* Max Humidity........66-76 percent valleys and 59-69 percent
  ridges.
* 20-Foot Winds.......
*     Lower Elevation......West 10-15 mph in the evening becoming
      downslope/downvalley 5-10 mph.
*     Ridge Top............West 10-20 mph.
* Mixing Height.......6 kft agl until 2000. Below 500 ft to 1 kft
  agl after 2100.
* Transport Winds.....West 20 mph until 2100, then 10 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...0 percent.

.SATURDAY...
* Sky/Weather.........Partly cloudy.
* Max Temperature.....75-85 valleys and 68-78 ridges.
* Min Humidity........20-30 percent valleys and 26-36 percent
  ridges.
* 20-Foot Winds.......
*     Lower Elevation......Calm to variable less than 7 mph.
*     Ridge Top............West 5-10 mph.
* Mixing Height.......2 kft agl until 1000. 9 kft agl after 1400.
* Transport Winds.....West 10 mph until 1200, then 15 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...0 percent.

.SATURDAY NIGHT...
* Sky/Weather.........Partly cloudy.
* Min Temperature.....45-55.
* Max Humidity........60-70 percent valleys and 51-61 percent
  ridges.
* 20-Foot Winds.......
*     Lower Elevation......West 5-10 mph.
*     Ridge Top............West 5-10 mph.
* Mixing Height.......8 kft agl until 1900. Below 500 ft to 1 kft
  agl after 2100.
* Transport Winds.....West 15 mph until 2300, then variable less
  than 10 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...0 percent.

.SUNDAY...
* Sky/Weather.........Mostly sunny.
* Max Temperature.....80-90 valleys and 73-83 ridges.
* Min Humidity........18-28 percent valleys and 26-36 percent
  ridges.
* 20-Foot Winds.......
*     Lower Elevation......Calm to variable less than 7 mph.
*     Ridge Top............West 5-10 mph.
* Mixing Height.......2 kft agl until 1000. 9 kft agl after 1500.
* Transport Winds.....West 10 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...0 percent.

.MONDAY...Mostly clear. Lows 55-65. Highs 80-90. Min humidities
15-25 percent. West winds 5-10 mph.
.TUESDAY...Mostly clear. Slight chance of rain showers and
thunderstorms. Chance of precipitation 20 percent. Lows 55-65. Highs
80-90. Min humidities 10-20 percent. Southwest winds 5-10 mph.
.WEDNESDAY...Mostly clear. Lows 55-65. Highs 80-90. Southwest winds
10-15 mph.
.THURSDAY...Mostly clear. Lows 55-65. Highs 75-85.
.FRIDAY...Partly cloudy. Lows 50-60. Highs 70-80.

$$

MTZ107-092045-
Flathead Reservation-
235 PM MDT Fri Aug 8 2025

.TONIGHT...
* Sky/Weather.........Partly cloudy. Slight chance of rain showers
  and thunderstorms.
* Min Temperature.....45-55.
* Max Humidity........57-67 percent.
* 20-Foot Winds.......
*     Lower Elevation......West 5-15 mph becoming variable less than 5
      mph after midnight.
*     Ridge Top............West 10-20 mph.
* Mixing Height.......6 kft agl until 2000. Below 500 ft to 1 kft
  agl after 2100.
* Transport Winds.....West 15 mph until 0500, then variable less
  than 10 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...0 percent.

.SATURDAY...
* Sky/Weather.........Partly cloudy.
* Max Temperature.....80-85 valleys and 60-65 ridges.
* Min Humidity........20-30 percent valleys and 34-44 percent
  ridges.
* 20-Foot Winds.......
*     Lower Elevation......Calm to becoming upslope/upvalley 4-8 mph in
      the afternoon.
*     Ridge Top............West 5-15 mph.
* Mixing Height.......2 kft agl until 1000. 10 kft agl after 1400.
* Transport Winds.....West 10 mph until 1500, then 15 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...0 percent.

.SATURDAY NIGHT...
* Sky/Weather.........Partly cloudy.
* Min Temperature.....50-60.
* Max Humidity........65-75 percent valleys and 57-67 percent
  ridges.
* 20-Foot Winds.......
*     Lower Elevation......Southwest 5-10 mph.
*     Ridge Top............Southwest 5-10 mph.
* Mixing Height.......9 kft agl until 1900. Below 500 ft to 1 kft
  agl after 2100.
* Transport Winds.....West 15 mph until 2100, then southwest 10
  mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...0 percent.

.SUNDAY...
* Sky/Weather.........Mostly sunny.
* Max Temperature.....85-90 valleys and 65-70 ridges.
* Min Humidity........20-30 percent valleys and 32-42 percent
  ridges.
* 20-Foot Winds.......
*     Lower Elevation......Calm to variable less than 7 mph.
*     Ridge Top............West 10-15 mph.
* Mixing Height.......2 kft agl until 1000. 9 kft agl after 1600.
* Transport Winds.....Variable less than 10 mph until 1100, then
  northwest 10 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...0 percent.

.MONDAY...Mostly clear. Lows 55-65. Highs 85-95. Min humidities
15-25 percent. Southwest winds 5-10 mph.
.TUESDAY...Mostly clear. Slight chance of rain showers and
thunderstorms. Chance of precipitation 20 percent. Lows 60-70. Highs
85-95. Min humidities 10-20 percent. Southwest winds 10-15 mph.
.WEDNESDAY...Mostly clear. Slight chance of rain showers and
thunderstorms. Chance of precipitation 20 percent. Lows 55-65. Highs
80-90. Southwest winds 10-20 mph.
.THURSDAY...Mostly clear. Lows 55-65. Highs 75-85.
.FRIDAY...Partly cloudy. Lows 55-65. Highs 75-85.

$$

MTZ109-092045-
Bitterroot-
235 PM MDT Fri Aug 8 2025

.TONIGHT...
* Sky/Weather.........Partly cloudy.
* Min Temperature.....40-50.
* Max Humidity........75-85 percent valleys and 60-70 percent
  ridges.
* 20-Foot Winds.......
*     Lower Elevation......West 10-15 mph becoming variable less than 5
      mph after midnight.
*     Ridge Top............West 5-15 mph.
* Mixing Height.......6 kft agl until 2000. 1-2 kft agl after 2100.
* Transport Winds.....West 15 mph until 2300, then variable less
  than 10 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...0 percent.

.SATURDAY...
* Sky/Weather.........Partly cloudy.
* Max Temperature.....80-85 valleys and 65-70 ridges.
* Min Humidity........25-35 percent.
* 20-Foot Winds.......
*     Lower Elevation......Calm to becoming upslope/upvalley 4-8 mph in
      the afternoon.
*     Ridge Top............Northwest 5-10 mph.
* Mixing Height.......2 kft agl until 1000. 9 kft agl after 1400.
* Transport Winds.....Variable less than 10 mph until 1100, then
  northwest 10 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...0 percent.

.SATURDAY NIGHT...
* Sky/Weather.........Partly cloudy.
* Min Temperature.....45-55.
* Max Humidity........73-83 percent valleys and 53-63 percent
  ridges.
* 20-Foot Winds.......
*     Lower Elevation......Northwest 5-10 mph in the evening becoming
      downslope/downvalley 2-5 mph.
*     Ridge Top............Northwest 5-10 mph.
* Mixing Height.......8 kft agl until 1900. Below 500 ft to 1 kft
  agl after 2100.
* Transport Winds.....Northwest 10 mph until 0500, then variable
  less than 10 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...0 percent.

.SUNDAY...
* Sky/Weather.........Mostly sunny.
* Max Temperature.....85-90 valleys and 70-75 ridges.
* Min Humidity........24-34 percent.
* 20-Foot Winds.......
*     Lower Elevation......Calm to becoming upslope/upvalley 4-8 mph in
      the afternoon.
*     Ridge Top............West 5-10 mph.
* Mixing Height.......2 kft agl until 1000. 8 kft agl after 1300.
* Transport Winds.....West 10 mph until 1200, then northwest 10
  mph.
* Chance Lightning....0 percent in the Darby, Sula, and West Fork
  Districts...and near 0 percent in areas north of Hamilton.
* CWR (> 0.10 Inch)...0 percent.

.MONDAY...Mostly clear. Lows 50-60. Highs 80-90. Min humidities
10-20 percent. West winds 5-10 mph.
.TUESDAY...Mostly clear. Slight chance of rain showers and
thunderstorms. Chance of precipitation 20 percent. Lows 55-65. Highs
80-90. Min humidities 10-20 percent. Southwest winds 5-10 mph.
.WEDNESDAY...Mostly clear. Lows 55-65. Highs 80-90. Southwest winds
10-20 mph.
.THURSDAY...Mostly clear. Lows 50-60. Highs 75-85.
.FRIDAY...Partly cloudy. Lows 50-60. Highs 70-80.

$$

MTZ110-111-092045-
Deerlodge/West Beaverhead-East Beaverhead-
235 PM MDT Fri Aug 8 2025

.TONIGHT...
* Sky/Weather.........Partly cloudy.
* Min Temperature.....35-45.
* Max Humidity........84-94 percent valleys and 62-72 percent
  ridges.
* 20-Foot Winds.......
*     Lower Elevation......Northwest 15-25 mph becoming southwest 5-10
      mph after midnight.
*     Ridge Top............Northwest 10-20 mph.
* Mixing Height.......8 kft agl until 2000. Below 500 ft to 1 kft
  agl after 2100.
* Transport Winds.....West 20 mph until 2100, then northwest 10
  mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...0 percent.

.SATURDAY...
* Sky/Weather.........Partly cloudy.
* Max Temperature.....70-75 valleys and 60-65 ridges.
* Min Humidity........20-30 percent.
* 20-Foot Winds.......
*     Lower Elevation......Northwest 5-15 mph.
*     Ridge Top............Northwest 5-15 mph.
* Mixing Height.......3 kft agl until 1000. 9 kft agl after 1400.
* Transport Winds.....Northwest 10 mph until 1600, then 15 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...0 percent.

.SATURDAY NIGHT...
* Sky/Weather.........Partly cloudy.
* Min Temperature.....33-43 valleys and 40-45 ridges.
* Max Humidity........78-88 percent valleys and 58-68 percent
  ridges.
* 20-Foot Winds.......
*     Lower Elevation......Northwest 5-15 mph in the evening becoming
      downslope/downvalley 2-5 mph.
*     Ridge Top............Northwest 5-15 mph.
* Mixing Height.......9 kft agl until 1900. Below 500 ft to 1 kft
  agl after 2100.
* Transport Winds.....Northwest 15 mph until 0100, then variable
  less than 10 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...0 percent.

.SUNDAY...
* Sky/Weather.........Mostly sunny.
* Max Temperature.....75-85 valleys and 65-70 ridges.
* Min Humidity........18-28 percent.
* 20-Foot Winds.......
*     Lower Elevation......Calm to becoming upslope/upvalley 4-8 mph in
      the afternoon.
*     Ridge Top............Northwest 5-15 mph.
* Mixing Height.......1-2 kft agl until 0900. 9 kft agl after 1300.
* Transport Winds.....Northwest 10 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...0 percent.

.MONDAY...Mostly clear. Lows 50-60. Highs 80-90. Min humidities
15-25 percent. West winds 10-15 mph.
.TUESDAY...Mostly clear. Lows 50-60. Highs 80-90. Min humidities
15-25 percent. West winds 10-15 mph.
.WEDNESDAY...Mostly clear. Lows 50-60. Highs 80-90. Southwest winds
15-25 mph.
.THURSDAY...Mostly clear. Lows 50-60. Highs 75-85.
.FRIDAY...Partly cloudy. Lows 45-55. Highs 70-80.

$$