Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Missoula, MT
Issued by NWS Missoula, MT
407
FNUS55 KMSO 101001
FWFMSO
Fire Weather Planning Forecast for Wrn Montana and N Cntrl Idaho
National Weather Service Missoula MT
301 AM MST Wed Dec 10 2025
.DISCUSSION...
Idaho (Zones 102 and 103): The second installment of a Significant
Atmospheric River, will bring heavy rain back to the region through
Friday, leading to hydrological concerns and flood risk. Taking a
quick look at the next 36 hours... Today`s weather, rain likely in
the day, then areas of rain in the afternoon. Tonight`s weather,
mostly cloudy with a 50 percent chance of rain. Thursday, rain
likely.
Northwest MT (Zones 104 and 105): The second installment of a
Significant Atmospheric River, will bring heavy rain back to the
region through Friday, leading to hydrological concerns and flood
risk. Taking a quick look at the next 36 hours... Today`s weather,
rain and snow likely. Snow may be heavy at times. Tonight`s
weather, rain and snow likely. Snow may be heavy at times. Thursday,
snow likely. Rain likely in the day, then a chance of rain in the
afternoon. It`ll be cooler.
West Central MT (Zones 106, 107 and 108): The second installment of
a Significant Atmospheric River, will bring heavy rain back to the
region through Friday, leading to hydrological concerns and flood
risk. Taking a quick look at the next 36 hours... Today`s weather,
rain and snow likely in the day, then rain likely in the afternoon.
Snow may be heavy at times in the day. Tonight`s weather, rain
likely until midnight, then a chance of rain after midnight.
Thursday, rain likely. Slight chance of snow in the day, then snow
likely in the afternoon. Snow may be heavy at times in the day.
Southwest MT (Zones 109, 110 and 111): The second installment of a
Significant Atmospheric River, will bring heavy rain back to the
region through Friday, leading to hydrological concerns and flood
risk. Taking a quick look at the next 36 hours... Today`s weather,
mostly cloudy with areas of rain. Slight chance of snow in the day.
Tonight`s weather, mostly cloudy until midnight then becoming
partly cloudy. A 20 percent chance of rain. Rain may be heavy at
times after midnight. Thursday, a chance of rain and snow in the
day, then rain likely and a slight chance of snow in the afternoon.
IDZ102-103-102300-
Palouse/Hells Canyon-Clearwater/Nez Perce-
201 AM PST Wed Dec 10 2025
.TODAY...
* Sky/Weather.........Mostly cloudy. Rain.
* Max Temperature.....50-60 valleys and 40-45 ridges.
* Min Humidity........70-80 percent valleys and 78-88 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)...40 percent in the Palouse/Hells Canyon...and
100 percent in the Clearwater/Nez Perce.
.TONIGHT...
* Sky/Weather.........Mostly cloudy. Chance of rain.
* Min Temperature.....45-50 valleys and 35-45 ridges.
* Max Humidity........82-92 percent valleys and 89-99 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Southwest 15-25 mph.
* Ridge Top............Southwest 20-30 mph.
* Mixing Height.......1-2 kft agl.
* Transport Winds.....Southwest 20 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...10 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 40-45 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)...60 percent in the Palouse/Hells Canyon...and
90 percent in the Clearwater/Nez Perce.
.FRIDAY...Mostly cloudy with chance of rain and slight chance of snow.
Chance of precipitation 50 percent. Lows 40-50. Highs 45-55. Min
humidities 55-65 percent. Southwest winds 10-15 mph.
.SATURDAY...Mostly cloudy with slight chance of rain. Chance of rain
20 percent. Lows 35-45. Highs 45-55. Min humidities 50-60 percent.
Southwest winds 10-15 mph.
.SUNDAY...Partly cloudy with slight chance of rain. Chance of rain
20 percent. Lows 35-45. Highs 45-55. South winds 10-15 mph.
.MONDAY...Mostly cloudy with chance of rain and slight chance of snow.
Chance of precipitation 30 percent. Lows 35-45. Highs 45-55.
.TUESDAY...Mostly cloudy with rain and slight chance of snow. Chance of
precipitation 80 percent. Lows 35-45. Highs 45-55.
$$
MTZ104-105-102300-
Kootenai-Flathead/Glacier Park-
301 AM MST Wed Dec 10 2025
.TODAY...
* Sky/Weather.........Rain and snow. Snow level 6000 feet.
* Max Temperature.....45-50 valleys and 35-45 ridges.
* Min Humidity........80-90 percent.
* 20-Foot Winds.......
* Lower Elevation......Southwest 20-30 mph.
* Ridge Top............Southwest 20-30 mph.
* Mixing Height.......1-2 kft agl.
* Transport Winds.....Southwest 20 mph until 1200, then 25 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...100 percent.
.TONIGHT...
* Sky/Weather.........Rain and snow. Snow level 6500 feet.
* Min Temperature.....35-45 valleys and 30-35 ridges.
* Max Humidity........94-100 percent valleys and 86-96 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 25 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...100 percent.
.THURSDAY...
* Sky/Weather.........Mostly cloudy. Rain and snow. Snow level 5500
feet.
* Max Temperature.....38-48 valleys and 30-40 ridges.
* Min Humidity........71-81 percent valleys and 77-87 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Southwest 5-15 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.
.FRIDAY...Cloudy with snow and rain. Chance of precipitation
80 percent. Lows 30-40. Highs 35-45. Min humidities 75-85 percent. West
winds 10-15 mph.
.SATURDAY...Mostly cloudy with chance of rain and snow. Chance of
precipitation 40 percent. Lows 30-40. Highs 40-50. Min humidities
60-70 percent. Southwest winds 10-20 mph.
.SUNDAY...Mostly cloudy with chance of rain and slight chance of snow.
Chance of precipitation 40 percent. Lows 30-40. Highs 40-50. 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.
.TUESDAY...Mostly cloudy with rain and snow. Chance of precipitation
80 percent. Lows 35-45. Highs 40-50.
$$
MTZ106-108-102300-
West Lolo-East Lolo-
301 AM MST Wed Dec 10 2025
.TODAY...
* Sky/Weather.........Snow in the morning. Rain. Snow level 7500
feet.
* Max Temperature.....40-50.
* Min Humidity........75-85 percent.
* 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 until 1200, then west 25
mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...90 percent.
.TONIGHT...
* Sky/Weather.........Mostly cloudy. Rain likely.
* Min Temperature.....35-45.
* Max Humidity........84-94 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)...90 percent in the West Lolo...and 50 percent
in the East Lolo.
.THURSDAY...
* Sky/Weather.........Mostly cloudy. Rain and snow. Snow level 7000
feet.
* Max Temperature.....35-45.
* Min Humidity........76-86 percent valleys and 86-96 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 until 1000, then 3 kft agl.
* Transport Winds.....West 25 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...90 percent.
.FRIDAY...Cloudy with rain and snow. Chance of precipitation
80 percent. Lows 35-45. Highs 40-50. Min humidities 60-70 percent. West
winds 10-20 mph.
.SATURDAY...Mostly cloudy with chance of rain and snow. Chance of
precipitation 30 percent. Lows 35-45. Highs 45-55. Min humidities
50-60 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. Southwest winds 10-15 mph.
.MONDAY...Mostly cloudy with chance of rain and slight chance of snow.
Chance of precipitation 30 percent. Lows 35-45. Highs 40-50.
.TUESDAY...Mostly cloudy with rain likely and slight chance of snow.
Chance of precipitation 70 percent. Lows 35-45. Highs 40-50.
$$
MTZ107-102300-
Flathead Reservation-
301 AM MST Wed Dec 10 2025
.TODAY...
* Sky/Weather.........Snow in the morning. Rain. Snow level 7000
feet.
* Max Temperature.....50-55 valleys and 35-40 ridges.
* Min Humidity........76-86 percent valleys and 92 percent ridges.
* 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.....Southwest 20 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.
.TONIGHT...
* Sky/Weather.........Mostly cloudy. Rain likely. Snow level 7500
feet.
* Min Temperature.....45-50 valleys and 30-35 ridges.
* Max Humidity........82-92 percent valleys and 100 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.....Southwest 25 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...80 percent.
.THURSDAY...
* Sky/Weather.........Rain. Snow in the afternoon. Snow level 7000
feet.
* Max Temperature.....45-50 valleys and 30-35 ridges.
* Min Humidity........76-86 percent valleys and 96 percent ridges.
* 20-Foot Winds.......
* Lower Elevation......Southwest 15-25 mph.
* Ridge Top............West 15-25 mph.
* Mixing Height.......1-2 kft agl until 1100, then 3 kft agl.
* Transport Winds.....West 20 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...90 percent.
.FRIDAY...Cloudy with rain likely and slight chance of snow. Chance of
precipitation 70 percent. Lows 35-45. Highs 45-55. Min humidities
65-75 percent. Southwest winds 10-15 mph.
.SATURDAY...Mostly cloudy with chance of rain and snow. Chance of
precipitation 50 percent. Lows 35-45. Highs 45-55. Min humidities
55-65 percent. Southwest winds 10-20 mph.
.SUNDAY...Partly cloudy with chance of rain. Chance of rain 30 percent.
Lows 35-45. Highs 45-55. South winds 5-15 mph.
.MONDAY...Mostly cloudy with chance of rain and slight chance of snow.
Chance of precipitation 30 percent. Lows 35-45. Highs 45-55.
.TUESDAY...Mostly cloudy with rain likely and slight chance of snow.
Chance of precipitation 70 percent. Lows 35-45. Highs 45-55.
$$
MTZ109-102300-
Bitterroot-
301 AM MST Wed Dec 10 2025
.TODAY...
* Sky/Weather.........Slight chance of snow in the morning. Rain.
* Max Temperature.....50-55 valleys and 35-40 ridges.
* Min Humidity........69-79 percent.
* 20-Foot Winds.......
* Lower Elevation......Southwest 20-30 mph.
* Ridge Top............Southwest 20-30 mph.
* Mixing Height.......1-2 kft agl.
* Transport Winds.....Southwest 20 mph until 1200, then 25 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...90 percent.
.TONIGHT...
* Sky/Weather.........Partly cloudy. Slight chance of rain. Slight
chance of snow after midnight.
* Min Temperature.....33-43.
* Max Humidity........78-88 percent valleys and 85-95 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)...20 percent.
.THURSDAY...
* Sky/Weather.........Mostly cloudy. Rain and snow.
* Max Temperature.....50-55 valleys and 35-40 ridges.
* Min Humidity........70-80 percent valleys and 81-91 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Southwest 20-30 mph.
* Ridge Top............Southwest 20-30 mph.
* Mixing Height.......1-2 kft agl until 1100, then 3 kft agl.
* Transport Winds.....West 20 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...60 percent in the Darby, Sula, and West Fork
Districts...and 80 percent in areas north of Hamilton.
.FRIDAY...Mostly cloudy with rain likely and slight chance of snow.
Chance of precipitation 70 percent. Lows 35-45. Highs 40-50. Min
humidities 50-60 percent. Southwest winds 15-25 mph.
.SATURDAY...Partly cloudy with slight chance of rain and snow. Chance
of precipitation 20 percent. Lows 30-40. Highs 40-50. Min humidities
45-55 percent. Southwest winds 15-25 mph.
.SUNDAY...Partly cloudy. Lows 30-40. Highs 40-50. 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 40-50.
.TUESDAY...Mostly cloudy with rain and snow likely. Chance of
precipitation 60 percent. Lows 35-45. Highs 40-50.
$$
MTZ110-111-102300-
Deerlodge/West Beaverhead-East Beaverhead-
301 AM MST Wed Dec 10 2025
.TODAY...
* Sky/Weather.........Mostly cloudy. Chance of rain and slight
chance of snow.
* Max Temperature.....45-55 valleys and 35-40 ridges.
* Min Humidity........58-68 percent.
* 20-Foot Winds.......
* Lower Elevation......Southwest 15-25 mph.
* Ridge Top............Southwest 20-30 mph.
* Mixing Height.......Below 500 ft to 1 kft agl until 1200, then 2
kft agl.
* Transport Winds.....Southwest 20 mph until 1100, then west 30 mph
until 1600, then 20 mph.
* Chance Lightning....0 percent in the Deerlodge/West
Beaverhead...and near 0 percent in the East Beaverhead.
* CWR (> 0.10 Inch)...60 percent in the Deerlodge/West
Beaverhead...and 10 percent in the East Beaverhead.
.TONIGHT...
* Sky/Weather.........Partly cloudy. Slight chance of rain.
* Min Temperature.....30-40.
* Max Humidity........64-74 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.
* CWR (> 0.10 Inch)...0 percent.
.THURSDAY...
* Sky/Weather.........Partly cloudy. Chance of rain and snow. Snow
level 7500 feet.
* Max Temperature.....45-55 valleys and 35-40 ridges.
* Min Humidity........57-67 percent valleys and 63-73 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 3
kft agl.
* Transport Winds.....West 25 mph until 1200, then 30 mph until
1600, then 20 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...20 percent in the Deerlodge/West
Beaverhead...and 0 percent in the East Beaverhead.
.FRIDAY...Mostly cloudy with chance of rain and snow. Chance of
precipitation 30 percent. Lows 35-45. Highs 45-55. Min humidities
45-55 percent. Southwest winds 10-20 mph.
.SATURDAY...Partly cloudy with slight chance of snow. Chance of snow
20 percent. Lows 30-40. Highs 40-50. Min humidities 35-45 percent.
Southwest winds 15-25 mph.
.SUNDAY...Partly cloudy. Lows 25-35. Highs 45-55. South winds
10-20 mph.
.MONDAY...Partly cloudy. Lows 30-40. Highs 40-50.
.TUESDAY...Mostly cloudy with chance of snow and rain. Chance of
precipitation 40 percent. Lows 30-40. Highs 40-50.
$$