Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Missoula, MT
Issued by NWS Missoula, MT
495
FNUS55 KMSO 110041
FWFMSO
Fire Weather Planning Forecast for Wrn Montana and N Cntrl Idaho
National Weather Service Missoula MT
541 PM MST Wed Dec 10 2025
.DISCUSSION...
Idaho (Zones 102 and 103): Heavy rain and flooding threats shift
further north towards NW Montana. Taking a quick look at the next
48 hours... Tonight`s weather, mostly cloudy with a 50 percent
chance of areas of rain. Thursday, rain likely. It`ll be cooler.
Thursday Night, rain and snow likely until midnight, then a chance of
rain and snow likely after midnight. Snow may be heavy at times until
midnight. Friday, mostly cloudy with a chance of rain and a slight
chance of snow.
Northwest MT (Zones 104 and 105): Heavy rain and flooding threats
shift further north towards NW Montana. Taking a quick look at the
next 48 hours... Tonight`s weather, rain and snow likely. Freezing
rain likely. Precipitation may be heavy at times. Thursday, rain and
snow likely in the day, then a chance of rain and snow in the
afternoon. It`ll be cooler. Snow may be heavy at times in the day.
Thursday Night, mostly cloudy with a 50 percent chance of rain and
snow. It`ll be colder. Friday, snow likely. Rain likely in the
afternoon. Snow level 3000 feet.
West Central MT (Zones 106, 107 and 108): Heavy rain and flooding
threats shift further north towards NW Montana. Taking a quick look
at the next 48 hours... Tonight`s weather, areas of rain and
freezing rain likely. Thursday, rain likely. Snow likely in the
afternoon. Thursday Night, rain and snow likely. Friday, rain and
snow likely in the day, then a chance of rain and snow in the
afternoon.
Southwest MT (Zones 109, 110 and 111): Heavy rain and flooding
threats shift further north towards NW Montana. Taking a quick look
at the next 48 hours... Tonight`s weather, mostly cloudy. A
20 percent chance of light freezing rain after midnight. Thursday,
mostly cloudy with a slight chance of snow. A chance of rain.
Thursday Night, chance of valley rain with mountain snow likely until
midnight, then rain and snow likely after midnight. Friday, mostly
cloudy with a chance of snow. A chance of rain.
IDZ102-103-111100-
Palouse/Hells Canyon-Clearwater/Nez Perce-
441 PM PST Wed Dec 10 2025
.TONIGHT...
* Sky/Weather.........Mostly cloudy. Chance of rain.
* Min Temperature.....38-48.
* Max Humidity........82-92 percent valleys and 90-100 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Southwest 15-25 mph.
* Ridge Top............Southwest 20-30 mph.
* Mixing Height.......Below 500 ft to 1 kft agl.
* Transport Winds.....Southwest 20 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...0 percent in the Palouse/Hells Canyon...and
40 percent in the Clearwater/Nez Perce.
.THURSDAY...
* Sky/Weather.........Mostly cloudy. Rain.
* Max Temperature.....48-58 valleys and 35-45 ridges.
* Min Humidity........74-84 percent valleys and 87-97 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Southwest 10-20 mph.
* Ridge Top............Southwest 15-25 mph.
* Mixing Height.......1-2 kft agl.
* Transport Winds.....West 20 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...50 percent in the Palouse/Hells Canyon...and
90 percent in the Clearwater/Nez Perce.
.THURSDAY NIGHT...
* Sky/Weather.........Mostly cloudy. Rain and snow. Snow level 7500
feet.
* Min Temperature.....35-45.
* Max Humidity........85-95 percent valleys and 91-100 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Southwest 5-15 mph decreasing to variable
less than 5 mph after midnight.
* Ridge Top............West 10-20 mph.
* Mixing Height.......1-2 kft agl.
* Transport Winds.....West 15 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...20 percent in the Palouse/Hells Canyon...and
80 percent in the Clearwater/Nez Perce.
.FRIDAY...
* Sky/Weather.........Mostly cloudy. Chance of rain and slight
chance of snow. Snow level 7000 feet.
* Max Temperature.....53-63 valleys and 35-45 ridges.
* Min Humidity........65-75 percent valleys and 77-87 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Calm to variable less than 7 mph.
* Ridge Top............Southwest 5-15 mph.
* Mixing Height.......Below 500 ft to 1 kft agl.
* Transport Winds.....Southwest 10 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...0 percent in the Palouse/Hells Canyon...and
40 percent in the Clearwater/Nez Perce.
.SATURDAY...Partly cloudy with slight chance of rain. Chance of rain
20 percent. Lows 35-45. Highs 50-60. Min humidities 50-60 percent.
South winds 10-15 mph.
.SUNDAY...Partly cloudy with slight chance of rain. Chance of rain
20 percent. Lows 35-45. Highs 45-55. Min humidities 55-65 percent.
South winds 10-15 mph.
.MONDAY...Mostly cloudy with chance of rain and snow. Chance of
precipitation 30 percent. Lows 35-45. Highs 45-55. South winds
5-10 mph.
.TUESDAY...Mostly cloudy with rain and slight chance of snow. Chance of
precipitation 80 percent. Lows 35-45. Highs 45-55.
.WEDNESDAY...Mostly cloudy with snow with rain likely. Chance of
precipitation 80 percent. Lows 35-45. Highs 40-50.
$$
MTZ104-105-111100-
Kootenai-Flathead/Glacier Park-
541 PM MST Wed Dec 10 2025
.TONIGHT...
* Sky/Weather.........Rain, snow and freezing rain. Snow level 6500
feet.
* Min Temperature.....35-45 valleys and 30-35 ridges.
* Max Humidity........95-100 percent valleys and 83-93 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Southwest 20-30 mph.
* Ridge Top............Southwest 25-35 mph.
* Mixing Height.......1-2 kft agl.
* Transport Winds.....Southwest 25 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...100 percent.
.THURSDAY...
* Sky/Weather.........Partly cloudy. Rain and snow. Snow level 5000
feet.
* Max Temperature.....38-48 valleys and 30-40 ridges.
* Min Humidity........72-82 percent.
* 20-Foot Winds.......
* Lower Elevation......West 20-30 mph.
* Ridge Top............West 25-35 mph decreasing to 15-25 mph in
the afternoon.
* Mixing Height.......1-2 kft agl until 1200, then 3 kft agl.
* Transport Winds.....West 25 mph until 1500, then 15 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...70 percent in the Kootenai...and 90 percent
in the Flathead/Glacier Park.
.THURSDAY NIGHT...
* Sky/Weather.........Mostly cloudy. Chance of snow and rain. Snow
level 3500 feet.
* Min Temperature.....23-33.
* Max Humidity........85-95 percent.
* 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.......1-2 kft agl.
* Transport Winds.....West 15 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...20 percent in the Kootenai...and 60 percent
in the Flathead/Glacier Park.
.FRIDAY...
* Sky/Weather.........Cloudy. Snow. Rain in the afternoon. Snow
level 3000 feet.
* Max Temperature.....40-50 valleys and 25-35 ridges.
* Min Humidity........77-87 percent.
* 20-Foot Winds.......
* Lower Elevation......Calm to variable less than 7 mph.
* Ridge Top............West 5-15 mph.
* Mixing Height.......1-2 kft agl.
* Transport Winds.....Southwest 15 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...60 percent in the Kootenai...and 90 percent
in the Flathead/Glacier Park.
.SATURDAY...Mostly cloudy with snow and rain likely. Chance of
precipitation 70 percent. Lows 30-40. Highs 40-50. Min humidities
55-65 percent. Southwest winds 10-20 mph.
.SUNDAY...Partly cloudy with chance of rain and snow. Chance of
precipitation 30 percent. Lows 30-40. Highs 40-50. Min humidities
60-70 percent. Southwest winds 10-20 mph.
.MONDAY...Mostly cloudy with chance of rain and snow. Chance of
precipitation 30 percent. Lows 35-45. Highs 40-50. Southwest winds
10-20 mph.
.TUESDAY...Mostly cloudy with rain and snow. Chance of precipitation
90 percent. Lows 35-45. Highs 40-50.
.WEDNESDAY...Mostly cloudy with snow and rain. Chance of precipitation
80 percent. Lows 30-40. Highs 35-45.
$$
MTZ106-108-111100-
West Lolo-East Lolo-
541 PM MST Wed Dec 10 2025
.TONIGHT...
* Sky/Weather.........Mostly cloudy. Chance of rain and freezing
rain.
* Min Temperature.....35-45.
* Max Humidity........85-95 percent.
* 20-Foot Winds.......
* Lower Elevation......Southwest 20-30 mph.
* Ridge Top............Southwest 25-35 mph.
* Mixing Height.......Below 500 ft to 1 kft agl.
* Transport Winds.....Southwest 25 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...80 percent in the West Lolo...and 40 percent
in the East Lolo.
.THURSDAY...
* Sky/Weather.........Mostly cloudy. Rain. Snow in the afternoon.
Snow level 7000 feet.
* Max Temperature.....35-45.
* Min Humidity........81-91 percent valleys and 88-98 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Southwest 15-25 mph becoming west 5-15 mph
in the afternoon.
* Ridge Top............West 25-35 mph decreasing to 15-25 mph in
the afternoon.
* Mixing Height.......1-2 kft agl.
* Transport Winds.....West 25 mph until 1600, then 15 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...90 percent.
.THURSDAY NIGHT...
* Sky/Weather.........Mostly cloudy. Rain and snow. Snow level 5500
feet.
* Min Temperature.....30-40.
* Max Humidity........88-98 percent.
* 20-Foot Winds.......
* Lower Elevation......West 10-20 mph.
* Ridge Top............West 10-20 mph.
* Mixing Height.......Below 500 ft to 1 kft agl.
* Transport Winds.....West 15 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...60 percent in the West Lolo...and 80 percent
in the East Lolo.
.FRIDAY...
* Sky/Weather.........Mostly cloudy. Snow and rain. Snow level 5500
feet.
* Max Temperature.....45-50 valleys and 35-45 ridges.
* Min Humidity........70-80 percent.
* 20-Foot Winds.......
* Lower Elevation......West 5-15 mph.
* Ridge Top............West 10-20 mph.
* Mixing Height.......Below 500 ft to 1 kft agl.
* Transport Winds.....West 15 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...50 percent in the West Lolo...and 70 percent
in the East Lolo.
.SATURDAY...Mostly cloudy with chance of rain and snow. Chance of
precipitation 40 percent. Lows 35-45. Highs 45-55. Min humidities
45-55 percent. Southwest winds 10-20 mph.
.SUNDAY...Partly cloudy with slight chance of rain. Chance of rain
20 percent. Lows 30-40. Highs 45-55. Min humidities 50-60 percent.
Southwest winds 10-15 mph.
.MONDAY...Mostly cloudy with chance of rain and snow. Chance of
precipitation 30 percent. Lows 35-45. Highs 45-55. Southwest winds
10-15 mph.
.TUESDAY...Mostly cloudy with rain and slight chance of snow. Chance of
precipitation 80 percent. Lows 35-45. Highs 40-50.
.WEDNESDAY...Mostly cloudy with snow and rain likely. Chance of
precipitation 70 percent. Lows 30-40. Highs 35-45.
$$
MTZ107-111100-
Flathead Reservation-
541 PM MST Wed Dec 10 2025
.TONIGHT...
* Sky/Weather.........Mostly cloudy. Rain likely. Snow level 7500
feet.
* Min Temperature.....45-50 valleys and 30-35 ridges.
* Max Humidity........88-93 percent valleys and 100 percent ridges.
* 20-Foot Winds.......
* Lower Elevation......Southwest 20-30 mph.
* Ridge Top............Southwest 20-30 mph.
* Mixing Height.......Below 500 ft to 1 kft agl.
* Transport Winds.....Southwest 25 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...70 percent.
.THURSDAY...
* Sky/Weather.........Mostly cloudy. Rain. Snow in the afternoon.
Snow level 6500 feet.
* Max Temperature.....45-50 valleys and 30-35 ridges.
* Min Humidity........76-86 percent valleys and 98 percent ridges.
* 20-Foot Winds.......
* Lower Elevation......Southwest 15-25 mph.
* Ridge Top............West 15-25 mph.
* Mixing Height.......1-2 kft agl until 1400, then 2 kft agl.
* Transport Winds.....West 20 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...70 percent in areas west of Highway 93...and
90 percent in the Mission Mtns and areas east of Highway 93.
.THURSDAY NIGHT...
* Sky/Weather.........Mostly cloudy. Rain likely and snow. Snow
level 5000 feet.
* Min Temperature.....35-40 valleys and 25-30 ridges.
* Max Humidity........93-98 percent valleys and 100 percent ridges.
* 20-Foot Winds.......
* Lower Elevation......Southwest 10-15 mph.
* Ridge Top............Southwest 10-15 mph.
* Mixing Height.......Below 500 ft to 1 kft agl.
* Transport Winds.....Southwest 10 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...50 percent in areas west of Highway 93...and
80 percent in the Mission Mtns and areas east of Highway 93.
.FRIDAY...
* Sky/Weather.........Cloudy. Rain and snow. Snow level 5000 feet.
* Max Temperature.....45-50 valleys and 30-35 ridges.
* Min Humidity........73-83 percent.
* 20-Foot Winds.......
* Lower Elevation......Southwest 5-15 mph.
* Ridge Top............Southwest 5-15 mph.
* Mixing Height.......Below 500 ft to 1 kft agl.
* Transport Winds.....Southwest 10 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...60 percent in areas west of Highway 93...and
90 percent in the Mission Mtns and areas east of Highway 93.
.SATURDAY...Mostly cloudy with chance of rain and snow. Chance of
precipitation 50 percent. Lows 35-45. Highs 45-55. Min humidities
50-60 percent. Southwest winds 5-15 mph.
.SUNDAY...Partly cloudy with slight chance of rain. Chance of rain
20 percent. Lows 35-45. Highs 45-55. Min humidities 55-65 percent.
South winds 5-15 mph.
.MONDAY...Mostly cloudy with slight chance of rain and snow. Chance of
precipitation 20 percent. Lows 35-45. Highs 45-55. South winds
5-15 mph.
.TUESDAY...Mostly cloudy with rain likely and slight chance of snow.
Chance of precipitation 70 percent. Lows 35-45. Highs 45-55.
.WEDNESDAY...Mostly cloudy with snow with rain likely. Chance of
precipitation 80 percent. Lows 35-45. Highs 40-50.
$$
MTZ109-111100-
Bitterroot-
541 PM MST Wed Dec 10 2025
.TONIGHT...
* Sky/Weather.........Partly cloudy. Slight chance of rain.
* Min Temperature.....33-43.
* Max Humidity........80-90 percent valleys and 87-96 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Southwest 20-30 mph.
* Ridge Top............Southwest 25-35 mph.
* Mixing Height.......1-2 kft agl.
* Transport Winds.....Southwest 20 mph.
* Chance Lightning....0 percent.
* CWR (> 0.10 Inch)...10 percent in the Darby, Sula, and West Fork
Districts...and 30 percent in areas north of Hamilton.
.THURSDAY...
* Sky/Weather.........Mostly cloudy. Rain and snow.
* Max Temperature.....45-50 valleys and 35-40 ridges.
* Min Humidity........74-84 percent valleys and 84-94 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Southwest 20-30 mph.
* Ridge Top............Southwest 20-30 mph.
* Mixing Height.......1-2 kft agl.
* Transport Winds.....West 20 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...70 percent.
.THURSDAY NIGHT...
* Sky/Weather.........Cloudy. Rain and snow. Snow level 7500 feet.
* Min Temperature.....30-40.
* Max Humidity........82-92 percent.
* 20-Foot Winds.......
* Lower Elevation......Southwest 15-25 mph.
* Ridge Top............Southwest 15-25 mph.
* Mixing Height.......1-2 kft agl.
* Transport Winds.....West 15 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...70 percent.
.FRIDAY...
* Sky/Weather.........Mostly cloudy. Chance of rain and slight
chance of snow. Snow level 7000 feet.
* Max Temperature.....50-55 valleys and 40-45 ridges.
* Min Humidity........63-73 percent.
* 20-Foot Winds.......
* Lower Elevation......Southwest 10-20 mph.
* Ridge Top............Southwest 10-20 mph.
* Mixing Height.......1-2 kft agl until 1400, then 2 kft agl.
* Transport Winds.....West 15 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...30 percent in the Darby, Sula, and West Fork
Districts...and 50 percent in areas north of Hamilton.
.SATURDAY...Partly cloudy with slight chance of rain and snow. Chance
of precipitation 20 percent. Lows 30-40. Highs 45-55. Min humidities
40-50 percent. Southwest winds 15-25 mph.
.SUNDAY...Partly cloudy. Lows 30-40. Highs 45-55. Min humidities
45-55 percent. South winds 5-15 mph.
.MONDAY...Partly cloudy with chance of rain and slight chance of snow.
Chance of precipitation 30 percent. Lows 30-40. Highs 45-55. South
winds 5-15 mph.
.TUESDAY...Mostly cloudy with rain and snow likely. Chance of
precipitation 70 percent. Lows 35-45. Highs 40-50.
.WEDNESDAY...Mostly cloudy with snow and rain likely. Chance of
precipitation 70 percent. Lows 30-40. Highs 35-45.
$$
MTZ110-111-111100-
Deerlodge/West Beaverhead-East Beaverhead-
541 PM MST Wed Dec 10 2025
.TONIGHT...
* Sky/Weather.........Partly cloudy.
* Min Temperature.....33-43.
* Max Humidity........61-71 percent.
* 20-Foot Winds.......
* Lower Elevation......Southwest 20-30 mph.
* Ridge Top............Southwest 25-35 mph.
* Mixing Height.......Below 500 ft to 1 kft agl.
* Transport Winds.....Southwest 20 mph.
* Chance Lightning....0 percent in the Deerlodge/West
Beaverhead...and near 0 percent in the East Beaverhead.
* CWR (> 0.10 Inch)...0 percent.
.THURSDAY...
* Sky/Weather.........Mostly cloudy. Chance of rain and slight
chance of snow. Snow level 7500 feet.
* Max Temperature.....45-55 valleys and 35-40 ridges.
* Min Humidity........53-63 percent valleys and 59-69 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Southwest 20-30 mph.
* Ridge Top............Southwest 20-30 mph.
* Mixing Height.......Below 500 ft to 1 kft agl until 1000, then 2
kft agl.
* Transport Winds.....West 25 mph until 1200. 20 mph after 1600.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...10 percent.
.THURSDAY NIGHT...
* Sky/Weather.........Mostly cloudy. Snow and chance of rain. Snow
level 7500 feet.
* Min Temperature.....38-48 valleys and 35-40 ridges.
* Max Humidity........71-81 percent.
* 20-Foot Winds.......
* Lower Elevation......Southwest 15-25 mph.
* Ridge Top............Southwest 15-25 mph.
* Mixing Height.......Below 500 ft to 1 kft agl.
* Transport Winds.....West 15 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...10 percent.
.FRIDAY...
* Sky/Weather.........Mostly cloudy. Chance of rain and snow. Snow
level 7500 feet.
* Max Temperature.....45-55 valleys and 35-40 ridges.
* Min Humidity........53-63 percent valleys and 59-69 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Southwest 10-20 mph.
* Ridge Top............Southwest 10-20 mph.
* Mixing Height.......Below 500 ft to 1 kft agl until 1200, then 3
kft agl until 1600, then 2 kft agl.
* Transport Winds.....West 20 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...10 percent.
.SATURDAY...Partly cloudy. Lows 30-40. Highs 45-55. Min humidities
30-40 percent. Southwest winds 15-25 mph.
.SUNDAY...Partly cloudy. Lows 30-40. Highs 45-55. Min humidities
30-40 percent. South winds 10-20 mph.
.MONDAY...Partly cloudy. Lows 30-40. Highs 45-55. South winds
10-20 mph.
.TUESDAY...Mostly cloudy with chance of snow and rain. Chance of
precipitation 30 percent. Lows 30-40. Highs 40-50.
.WEDNESDAY...Mostly cloudy with chance of snow. Chance of snow
40 percent. Lows 30-40. Highs 35-45.
$$