Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Missoula, MT
Issued by NWS Missoula, MT
574
FNUS55 KMSO 100952
FWFMSO
Fire Weather Planning Forecast for Wrn Montana and N Cntrl Idaho
National Weather Service Missoula MT
352 AM MDT Sun Aug 10 2025
.DISCUSSION...
Idaho (Zones 102 and 103): Dry northwest flow is anticipated into early
next week as high pressure builds to the west. Anticipate warming
temperatures and lowering humidities into early next week. Tuesday looks
like the warmest day. Potential for wind increases Tuesday into
Wednesday.
Northwest MT (Zones 104 and 105): Dry northwest flow is anticipated into early
next week as high pressure builds to the west. Anticipate warming
temperatures and lowering humidities into early next week. Tuesday looks
like the warmest day. Potential for wind increases Tuesday into
Wednesday.
West Central MT (Zones 106, 107 and 108): Dry northwest flow is
anticipated into early next week as high pressure builds to the west.
Anticipate warming temperatures and lowering humidities into early next
week. Tuesday looks like the warmest day. Potential for wind increases
Tuesday into Wednesday.
Southwest MT (Zones 109, 110 and 111): Dry northwest flow is anticipated into
early next week as high pressure builds to the west. Anticipate warming
temperatures and lowering humidities into early next week. Tuesday
looks like the warmest day. The threat for thunderstorms returns by
Tuesday. Also, wind potential increases Tuesday into Wednesday.
View Weather Briefing videos on our YouTube channel
at https://www.youtube.com/NWSMissoula
IDZ102-103-111000-
Palouse/Hells Canyon-Clearwater/Nez Perce-
252 AM PDT Sun Aug 10 2025
.TODAY...
* Sky/Weather.........Mostly sunny.
* Max Temperature.....88-98 valleys and 70-80 ridges.
* Min Humidity........20-30 percent valleys and 27-37 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Calm to variable less than 7 mph.
* Ridge Top............Northwest 5-10 mph in the morning.
* Mixing Height.......1-2 kft agl until 1000. 8 kft agl after 1500.
* Transport Winds.....Variable less than 10 mph until 1000, then
northwest 10 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...0 percent.
.TONIGHT...
* Sky/Weather.........Mostly clear.
* Min Temperature.....53-63.
* Max Humidity........47-57 percent.
* 20-Foot Winds.......
* Lower Elevation......Downslope/downvalley 2-5 mph.
* Ridge Top............Northwest 5-10 mph.
* Mixing Height.......7 kft agl until 2000, then below 500 ft to 1
kft agl.
* Transport Winds.....Northwest 10 mph until 2400, then variable
less than 10 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...0 percent.
.MONDAY...
* Sky/Weather.........Mostly sunny.
* Max Temperature.....93-103 valleys and 75-85 ridges.
* Min Humidity........16-26 percent valleys and 22-32 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Calm becoming upslope/upvalley 4-8 mph in
the afternoon.
* Ridge Top............Southwest 5-10 mph becoming northwest in the
afternoon.
* Mixing Height.......1-2 kft agl until 1000. 10 kft agl after
1400.
* Transport Winds.....Variable less than 10 mph.
* Chance Lightning....0 percent.
* CWR (> 0.10 Inch)...0 percent.
.TUESDAY...Clear. Lows 60-70. Highs 90-100. Min humidities
10-20 percent. South winds 5-10 mph.
.WEDNESDAY...Mostly clear. Lows 60-70. Highs 85-95. Min humidities
15-25 percent. Southwest winds 10-15 mph.
.THURSDAY...Not as warm. Mostly clear. Lows 55-65. Highs 75-85. West
winds 10-15 mph.
.FRIDAY...Partly cloudy. Lows 50-60. Highs 75-85.
.SATURDAY...Partly cloudy. Lows 50-60. Highs 80-90.
$$
MTZ104-105-111000-
Kootenai-Flathead/Glacier Park-
352 AM MDT Sun Aug 10 2025
.TODAY...
* Sky/Weather.........Partly cloudy.
* Max Temperature.....85-90 valleys and 65-75 ridges.
* Min Humidity........25-35 percent valleys and 37-47 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Calm becoming upslope/upvalley 4-8 mph in
the afternoon.
* Ridge Top............West 5-15 mph.
* Mixing Height.......3 kft agl until 1000. 8 kft agl after 1400.
* Transport Winds.....Northwest 10 mph until 1500, then west 15
mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...0 percent.
.TONIGHT...
* Sky/Weather.........Partly cloudy.
* Min Temperature.....50-60.
* Max Humidity........80-90 percent valleys and 62-72 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Downslope/downvalley 1-3 mph.
* Ridge Top............West 5-15 mph.
* Mixing Height.......7 kft agl until 2000, then below 500 ft to 1
kft agl.
* Transport Winds.....West 15 mph until 0300, then variable less
than 10 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...0 percent.
.MONDAY...
* Sky/Weather.........Partly cloudy.
* Max Temperature.....85-95 valleys and 70-80 ridges.
* Min Humidity........24-34 percent valleys and 34-44 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Calm becoming upslope/upvalley 4-8 mph in
the afternoon.
* Ridge Top............West 5-10 mph.
* Mixing Height.......2 kft agl until 1000. 9 kft agl after 1400.
* 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.
.TUESDAY...Mostly clear. Lows 55-65. Highs 80-90. Min humidities
15-25 percent. Southeast winds 10-15 mph.
.WEDNESDAY...Mostly clear. Lows 55-65. Highs 80-90. Min humidities
15-25 percent. Southwest winds 10-20 mph.
.THURSDAY...Not as warm. Partly cloudy. Lows 55-65. Highs 70-80.
Southwest winds 10-20 mph.
.FRIDAY...Partly cloudy with slight chance of rain. Chance of rain
20 percent. Lows 50-60. Highs 70-80.
.SATURDAY...Partly cloudy. Lows 50-60. Highs 70-80.
$$
MTZ106-108-111000-
West Lolo-East Lolo-
352 AM MDT Sun Aug 10 2025
.TODAY...
* Sky/Weather.........Partly cloudy.
* Max Temperature.....80-90 valleys and 73-83 ridges.
* Min Humidity........19-29 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 northwest 15
mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...0 percent.
.TONIGHT...
* Sky/Weather.........Mostly clear.
* Min Temperature.....50-60.
* Max Humidity........65-75 percent valleys and 56-66 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......West 5-10 mph in the evening becoming
downslope/downvalley 2-5 mph.
* Ridge Top............West 5-15 mph.
* Mixing Height.......7 kft agl until 2000. Below 500 ft to 1 kft
agl after 2200.
* Transport Winds.....West 15 mph until 0500, then variable less
than 10 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...0 percent.
.MONDAY...
* Sky/Weather.........Partly cloudy.
* Max Temperature.....85-95 valleys and 78-88 ridges.
* Min Humidity........20-30 percent.
* 20-Foot Winds.......
* Lower Elevation......Calm to variable less than 7 mph.
* Ridge Top............West 5-10 mph.
* Mixing Height.......1-2 kft agl until 1000. 10 kft agl after
1400.
* Transport Winds.....West 10 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...0 percent.
.TUESDAY...Mostly clear. Lows 55-65. Highs 85-95. Min humidities
10-20 percent. Southwest winds 5-10 mph.
.WEDNESDAY...Mostly clear. Lows 60-70. Highs 80-90. Min humidities
10-20 percent. Southwest winds 10-15 mph.
.THURSDAY...Mostly clear. Lows 55-65. Highs 75-85. West winds
10-15 mph.
.FRIDAY...Partly cloudy. Lows 50-60. Highs 75-85.
.SATURDAY...Partly cloudy. Lows 50-60. Highs 75-85.
$$
MTZ107-111000-
Flathead Reservation-
352 AM MDT Sun Aug 10 2025
.TODAY...
* Sky/Weather.........Mostly sunny.
* Max Temperature.....85-90 valleys and 65-70 ridges.
* Min Humidity........19-29 percent valleys and 32-42 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Calm to variable less than 7 mph.
* Ridge Top............West 5-15 mph.
* Mixing Height.......2 kft agl until 1000. 9 kft agl after 1400.
* Transport Winds.....Variable less than 10 mph until 1100, then
northwest 10 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...0 percent.
.TONIGHT...
* Sky/Weather.........Mostly clear.
* Min Temperature.....55-65.
* Max Humidity........69-79 percent valleys and 63-73 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Southwest 5-10 mph.
* Ridge Top............West 5-10 mph.
* Mixing Height.......8 kft agl until 2000. Below 500 ft to 1 kft
agl after 2100.
* Transport Winds.....West 10 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...0 percent.
.MONDAY...
* Sky/Weather.........Partly cloudy.
* Max Temperature.....90-95 valleys and 70-75 ridges.
* Min Humidity........17-27 percent valleys and 28-38 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Calm to variable less than 7 mph.
* Ridge Top............West 5-10 mph.
* Mixing Height.......1-2 kft agl until 1000. 10 kft agl after
1400.
* Transport Winds.....West 10 mph.
* Chance Lightning....0 percent in areas west of Highway 93...and
near 0 percent in the Mission Mtns and areas east of Highway 93.
* CWR (> 0.10 Inch)...0 percent.
.TUESDAY...Mostly clear. Lows 60-70. Highs 90-100. Min humidities
10-20 percent. South winds 5-10 mph.
.WEDNESDAY...Mostly clear. Lows 60-70. Highs 85-95. Min humidities
10-20 percent. Southwest winds 10-20 mph.
.THURSDAY...Not as warm. Mostly clear. Lows 55-65. Highs 75-85.
Southwest winds 10-20 mph.
.FRIDAY...Partly cloudy. Lows 55-65. Highs 75-85.
.SATURDAY...Partly cloudy. Lows 55-65. Highs 80-90.
$$
MTZ109-111000-
Bitterroot-
352 AM MDT Sun Aug 10 2025
.TODAY...
* Sky/Weather.........Mostly sunny.
* Max Temperature.....85-90 valleys and 70-75 ridges.
* Min Humidity........26-36 percent.
* 20-Foot Winds.......
* Lower Elevation......Calm 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 1300.
* Transport Winds.....West 10 mph until 1200, then northwest 15
mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...0 percent.
.TONIGHT...
* Sky/Weather.........Mostly clear.
* Min Temperature.....50-60.
* Max Humidity........76-86 percent valleys and 56-66 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.......7 kft agl until 2000. 1-2 kft agl after 2100.
* Transport Winds.....Northwest 10 mph until 0100, then variable
less than 10 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...0 percent.
.MONDAY...
* Sky/Weather.........Mostly sunny.
* Max Temperature.....90-95 valleys and 75-80 ridges.
* Min Humidity........20-30 percent.
* 20-Foot Winds.......
* Lower Elevation......Calm becoming upslope/upvalley 4-8 mph in
the afternoon.
* Ridge Top............West 5-10 mph.
* Mixing Height.......2 kft agl until 1000. 9 kft agl after 1400.
* Transport Winds.....Variable less than 10 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...0 percent.
.TUESDAY...Mostly clear. 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. Min humidities
10-20 percent. Southwest winds 10-20 mph.
.THURSDAY...Mostly clear. Lows 55-65. Highs 75-85. West winds
10-15 mph.
.FRIDAY...Partly cloudy. Lows 50-60. Highs 75-85.
.SATURDAY...Partly cloudy. Lows 50-60. Highs 75-85.
$$
MTZ110-111-111000-
Deerlodge/West Beaverhead-East Beaverhead-
352 AM MDT Sun Aug 10 2025
.TODAY...
* Sky/Weather.........Partly cloudy.
* Max Temperature.....75-85 valleys and 65-70 ridges.
* Min Humidity........20-30 percent.
* 20-Foot Winds.......
* Lower Elevation......Northwest 5-15 mph.
* Ridge Top............Northwest 5-15 mph.
* Mixing Height.......3 kft agl until 1000. 9 kft agl after 1300.
* Transport Winds.....West 10 mph until 1200, then northwest 15
mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...0 percent.
.TONIGHT...
* Sky/Weather.........Partly cloudy.
* Min Temperature.....38-48 valleys and 45-50 ridges.
* Max Humidity........82-92 percent valleys and 63-73 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Northwest 5-15 mph in the evening becoming
downslope/downvalley 2-5 mph.
* Ridge Top............Northwest 5-15 mph.
* Mixing Height.......7 kft agl until 2000. Below 500 ft to 1 kft
agl after 2100.
* Transport Winds.....Northwest 15 mph until 0200, then variable
less than 10 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...0 percent.
.MONDAY...
* Sky/Weather.........Partly cloudy.
* Max Temperature.....80-85 valleys and 70-75 ridges.
* Min Humidity........16-26 percent.
* 20-Foot Winds.......
* Lower Elevation......Calm to variable less than 7 mph.
* Ridge Top............Northwest 5-10 mph.
* Mixing Height.......2 kft agl until 1000. 10 kft agl after 1300.
* Transport Winds.....Northwest 10 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...0 percent.
.TUESDAY...Mostly clear. Lows 50-60. Highs 80-90. Min humidities
10-20 percent. West winds 10-15 mph.
.WEDNESDAY...Mostly clear. Lows 55-65. Highs 80-90. Min humidities
15-25 percent. Southwest winds 10-20 mph.
.THURSDAY...Mostly clear. Lows 50-60. Highs 80-90. Southwest winds
10-20 mph.
.FRIDAY...Mostly clear. Lows 45-55. Highs 75-85.
.SATURDAY...Partly cloudy. Lows 50-60. Highs 75-85.
$$