Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Missoula, MT
Issued by NWS Missoula, MT
229
FNUS55 KMSO 110709
FWFMSO
Fire Weather Planning Forecast for Wrn Montana and N Cntrl Idaho
National Weather Service Missoula MT
109 AM MDT Mon Aug 11 2025
.DISCUSSION...
Idaho (Zones 102 and 103): Warming and drying will continue over the
next couple of days with Tuesday being the hottest. A weak disturbance
on Wednesday will increase westerly winds creating near critical fire
weather conditions during the afternoon and evening. Seasonal conditions
are expected Thursday into the weekend with some afternoon and evening
breezes.
Northwest MT (Zones 104 and 105): Warming and drying will continue over the
next couple of days with Tuesday being the hottest. A weak disturbance
on Wednesday will increase westerly winds creating near critical fire
weather conditions during the afternoon and evening. Seasonal conditions
are expected Thursday into the weekend with some afternoon and evening
breezes. Scattered showers will also be possible late this week.
West Central MT (Zones 106, 107 and 108): Warming and drying will continue over the
next couple of days with Tuesday being the hottest. A weak disturbance
on Wednesday will increase westerly winds creating near critical fire
weather conditions during the afternoon and evening. Seasonal conditions
are expected Thursday into the weekend with some afternoon and evening
breezes. A few showers will also be possible late this week.
Southwest MT (Zones 109, 110 and 111): Warming and drying will continue
over the next couple of days with Tuesday and Wednesday being the
hottest. Weak disturbance on Wednesday and Thursday will increase
westerly winds creating near critical fire weather conditions during the
afternoons and evenings. A few showers and thunderstorms could also
develop late Tuesday and again Wednesday afternoon. Seasonal conditions
are expected Friday into the weekend with some afternoon and evening
breezes.
IDZ102-103-120715-
Palouse/Hells Canyon-Clearwater/Nez Perce-
1209 AM PDT Mon Aug 11 2025
.TODAY...
* Sky/Weather.........Partly cloudy.
* Max Temperature.....93-103 valleys and 75-85 ridges.
* Min Humidity........16-26 percent valleys and 23-33 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Calm to becoming upslope/upvalley 4-8 mph in
the afternoon.
* Ridge Top............West 5-10 mph.
* Mixing Height.......3 kft agl until 1100. 10 kft agl after 1400.
* Transport Winds.....Variable less than 10 mph until 1100, then
west 10 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...0 percent.
.TONIGHT...
* Sky/Weather.........Partly cloudy.
* Min Temperature.....55-65.
* Max Humidity........40-50 percent.
* 20-Foot Winds.......
* Lower Elevation......Downslope/downvalley 2-5 mph.
* Ridge Top............Northwest 5-10 mph becoming south after
midnight.
* Mixing Height.......8 kft agl until 2000, then below 500 ft to 1
kft agl.
* Transport Winds.....Northwest 10 mph until 2300, then variable
less than 10 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...0 percent.
.TUESDAY...
* Sky/Weather.........Mostly sunny.
* Max Temperature.....95-105 valleys and 80-85 ridges.
* Min Humidity........12-22 percent.
* 20-Foot Winds.......
* Lower Elevation......Calm to becoming upslope/upvalley 4-8 mph in
the afternoon.
* Ridge Top............Southwest 5-10 mph.
* Mixing Height.......1-2 kft agl until 1000. 11 kft agl after
1600.
* Transport Winds.....Variable less than 10 mph until 1000, then
west 10 mph until 1400, then 15 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...0 percent.
.WEDNESDAY...Mostly clear. Lows 60-70. Highs 85-95. Min humidities
15-25 percent. Southwest winds 15-20 mph.
.THURSDAY...Not as warm. Mostly clear. Lows 55-65. Highs 75-85. Min
humidities 10-20 percent. West winds 10-15 mph.
.FRIDAY...Partly cloudy. Lows 50-60. Highs 75-85. West winds 10-15 mph.
.SATURDAY...Partly cloudy with slight chance of rain showers. Chance of
showers 20 percent. Lows 55-65. Highs 75-85.
.SUNDAY...Partly cloudy. Lows 55-65. Highs 75-85.
$$
MTZ104-105-120715-
Kootenai-Flathead/Glacier Park-
109 AM MDT Mon Aug 11 2025
.TODAY...
* Sky/Weather.........Partly cloudy. Slight chance of rain showers.
* Max Temperature.....85-95 valleys and 70-80 ridges.
* Min Humidity........27-37 percent valleys and 38-48 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.......2 kft agl until 1000. 9 kft agl after 1400.
* Transport Winds.....Variable less than 10 mph until 0900. West 10
mph after 1300.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...0 percent.
.TONIGHT...
* Sky/Weather.........Partly cloudy.
* Min Temperature.....50-60.
* Max Humidity........81-91 percent valleys and 69-79 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Downslope/downvalley 2-5 mph.
* Ridge Top............North 5-15 mph becoming southeast after
midnight.
* Mixing Height.......8 kft agl until 1900. Below 500 ft to 1 kft
agl after 2000.
* Transport Winds.....Northwest 10 mph until 2000, then northeast
10 mph until 2300, then east 10 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...0 percent.
.TUESDAY...
* Sky/Weather.........Mostly sunny.
* Max Temperature.....90-95 valleys and 70-80 ridges.
* Min Humidity........17-27 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............South 5-10 mph becoming southwest 5-15 mph
in the afternoon.
* Mixing Height.......2 kft agl until 1000. 9 kft agl after 1400.
* Transport Winds.....Variable less than 10 mph until 1100, then
west 15 mph until 1700, then 20 mph.
* Chance Lightning....0 percent in the Kootenai...and near 0
percent in the Flathead/Glacier Park.
* CWR (> 0.10 Inch)...0 percent.
.WEDNESDAY...Mostly clear. Lows 60-70. Highs 80-90. Min humidities
15-25 percent. Southwest winds 15-25 mph.
.THURSDAY...Not as warm. Partly cloudy. Lows 55-65. Highs 70-80. Min
humidities 20-30 percent. Southwest winds 10-20 mph.
.FRIDAY...Partly cloudy with slight chance of rain showers. Chance of
showers 20 percent. Lows 50-60. Highs 70-80. Southwest winds 10-15 mph.
.SATURDAY...Mostly cloudy with chance of rain showers and slight chance
of thunderstorms. Chance of precipitation 30 percent. Lows 50-60. Highs
65-75.
.SUNDAY...Partly cloudy. Lows 50-60. Highs 70-80.
$$
MTZ106-108-120715-
West Lolo-East Lolo-
109 AM MDT Mon Aug 11 2025
.TODAY...
* Sky/Weather.........Partly cloudy.
* Max Temperature.....85-95 valleys and 78-88 ridges.
* Min Humidity........18-28 percent valleys and 24-34 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 until 1300, then 15 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...0 percent.
.TONIGHT...
* Sky/Weather.........Partly cloudy.
* Min Temperature.....50-60.
* Max Humidity........64-74 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 becoming southeast after
midnight.
* Mixing Height.......8 kft agl until 2000. Below 500 ft to 1 kft
agl after 2100.
* Transport Winds.....Northwest 10 mph until 2200, then variable
less than 10 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...0 percent.
.TUESDAY...
* Sky/Weather.........Mostly sunny.
* Max Temperature.....88-98 valleys and 78-88 ridges.
* Min Humidity........16-26 percent.
* 20-Foot Winds.......
* Lower Elevation......Calm to becoming upslope/upvalley 4-8 mph in
the afternoon.
* Ridge Top............Southwest 5-15 mph.
* Mixing Height.......1-2 kft agl until 1000. 11 kft agl after
1400.
* Transport Winds.....Variable less than 10 mph until 1000, then
southwest 10 mph until 1200, then west 20 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...0 percent.
.WEDNESDAY...Mostly clear. Lows 60-70. Highs 80-90. Min humidities
10-20 percent. Southwest winds 15-25 mph.
.THURSDAY...Mostly clear. Lows 55-65. Highs 75-85. Min humidities
10-20 percent. West winds 10-15 mph.
.FRIDAY...Partly cloudy. Lows 50-60. Highs 75-85. Southwest winds
10-15 mph.
.SATURDAY...Partly cloudy with slight chance of rain showers. Chance of
showers 20 percent. Lows 55-65. Highs 70-80.
.SUNDAY...Partly cloudy. Lows 50-60. Highs 75-85.
$$
MTZ107-120715-
Flathead Reservation-
109 AM MDT Mon Aug 11 2025
.TODAY...
* Sky/Weather.........Partly cloudy.
* Max Temperature.....90-95 valleys and 70-75 ridges.
* Min Humidity........21-31 percent valleys and 31-41 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Calm to becoming upslope/upvalley 4-8 mph in
the afternoon.
* Ridge Top............West 5-10 mph.
* Mixing Height.......1-2 kft agl until 1000. 10 kft agl after
1300.
* Transport Winds.....West 10 mph until 1700, then 10 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...0 percent.
.TONIGHT...
* Sky/Weather.........Partly cloudy.
* Min Temperature.....55-65.
* Max Humidity........69-79 percent valleys and 60-70 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......North 5-10 mph.
* Ridge Top............West 5-10 mph becoming southeast 5-15 mph
after midnight.
* Mixing Height.......7 kft agl until 2000. Below 500 ft to 1 kft
agl after 2100.
* Transport Winds.....Northwest 10 mph until 2000, then variable
less than 10 mph until 2300, then east 10 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...0 percent.
.TUESDAY...
* Sky/Weather.........Mostly sunny.
* Max Temperature.....95-100 valleys and 70-75 ridges.
* Min Humidity........12-22 percent valleys and 23-33 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Calm to becoming upslope/upvalley 4-8 mph in
the afternoon.
* Ridge Top............South 5-15 mph becoming west in the
afternoon.
* Mixing Height.......1-2 kft agl until 1000. 12 kft agl after
1700.
* Transport Winds.....Variable less than 10 mph until 1100, then
west 15 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...0 percent.
.WEDNESDAY...Mostly clear. Lows 60-70. Highs 85-95. Min humidities
10-20 percent. Southwest winds 15-25 mph.
.THURSDAY...Not as warm. Mostly clear. Lows 55-65. Highs 75-85. Min
humidities 15-25 percent. Southwest winds 10-20 mph.
.FRIDAY...Partly cloudy. Lows 55-65. Highs 75-85. Southwest winds
10-15 mph.
.SATURDAY...Partly cloudy with slight chance of rain showers. Chance of
showers 20 percent. Lows 55-65. Highs 75-85.
.SUNDAY...Partly cloudy. Lows 55-65. Highs 75-85.
$$
MTZ109-120715-
Bitterroot-
109 AM MDT Mon Aug 11 2025
.TODAY...
* Sky/Weather.........Partly cloudy.
* Max Temperature.....90-95 valleys and 75-80 ridges.
* Min Humidity........22-32 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. 10 kft agl after 1400.
* 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.........Partly cloudy.
* Min Temperature.....55-60.
* Max Humidity........65-75 percent valleys and 49-59 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 becoming southwest after
midnight.
* Mixing Height.......9 kft agl until 1900. 1-2 kft agl after 2000.
* Transport Winds.....Northwest 10 mph until 2300, then variable
less than 10 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...0 percent.
.TUESDAY...
* Sky/Weather.........Mostly sunny.
* Max Temperature.....90-95 valleys and 75-85 ridges.
* Min Humidity........15-25 percent.
* 20-Foot Winds.......
* Lower Elevation......Calm to becoming upslope/upvalley 4-8 mph in
the afternoon.
* Ridge Top............Southwest 5-15 mph.
* Mixing Height.......2 kft agl until 1000. 11 kft agl after 1400.
* Transport Winds.....Variable less than 10 mph until 1000, then
west 10 mph until 1200, then 15 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...0 percent.
.WEDNESDAY...Mostly clear. Slight chance of rain showers. Chance of
showers 20 percent. Lows 55-65. Highs 80-90. Min humidities
10-20 percent. Southwest winds 15-25 mph.
.THURSDAY...Mostly clear. Lows 50-60. Highs 75-85. Min humidities
10-20 percent. West winds 15-20 mph.
.FRIDAY...Partly cloudy. Lows 50-60. Highs 75-85. West winds 10-15 mph.
.SATURDAY...Partly cloudy. Lows 50-60. Highs 70-80.
.SUNDAY...Partly cloudy. Lows 50-60. Highs 75-85.
$$
MTZ110-111-120715-
Deerlodge/West Beaverhead-East Beaverhead-
109 AM MDT Mon Aug 11 2025
.TODAY...
* Sky/Weather.........Partly cloudy.
* Max Temperature.....80-85 valleys and 70-75 ridges.
* Min Humidity........20-30 percent.
* 20-Foot Winds.......
* Lower Elevation......Calm to variable less than 7 mph.
* Ridge Top............Northwest 5-10 mph.
* Mixing Height.......3 kft agl until 1000. 10 kft agl after 1600.
* Transport Winds.....Northwest 10 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...0 percent.
.TONIGHT...
* Sky/Weather.........Partly cloudy.
* Min Temperature.....43-53 valleys and 50-55 ridges.
* Max Humidity........78-88 percent valleys and 59-69 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......North 5-10 mph in the evening becoming
downslope/downvalley 2-5 mph.
* Ridge Top............North 5-10 mph becoming southeast after
midnight.
* Mixing Height.......7 kft agl until 2000, then below 500 ft to 1
kft agl.
* Transport Winds.....North 10 mph until 2200. Variable less than
10 mph after 0300.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...0 percent.
.TUESDAY...
* Sky/Weather.........Mostly sunny.
* Max Temperature.....85-90 valleys and 75-80 ridges.
* Min Humidity........13-23 percent.
* 20-Foot Winds.......
* Lower Elevation......Calm to becoming west 5-15 mph in the
afternoon.
* Ridge Top............Southwest 5-15 mph.
* Mixing Height.......1-2 kft agl until 1000. 12 kft agl after
1300.
* Transport Winds.....Variable less than 10 mph until 1000, then
west 15 mph until 1600, then 20 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...0 percent.
.WEDNESDAY...Mostly clear. Slight chance of rain showers. Chance of
showers 20 percent. Lows 55-65. Highs 80-90. Min humidities
15-25 percent. Southwest winds 20-30 mph.
.THURSDAY...Mostly clear. Lows 50-60. Highs 80-90. Min humidities
15-25 percent. West winds 20-30 mph.
.FRIDAY...Mostly clear. Lows 45-55. Highs 75-85. West winds 10-20 mph.
.SATURDAY...Partly cloudy. Lows 50-60. Highs 75-85.
.SUNDAY...Partly cloudy. Lows 50-60. Highs 75-85.
$$