Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Missoula, MT
Issued by NWS Missoula, MT
191
FNUS55 KMSO 111111
FWFMSO
Fire Weather Planning Forecast for Wrn Montana and N Cntrl Idaho
National Weather Service Missoula MT
411 AM MST Thu Dec 11 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
36 hours... Today`s weather, rain likely. It`ll be cooler.
Tonight`s weather, rain likely. Friday, mostly cloudy with a
50 percent chance of rain.
Northwest MT (Zones 104 and 105): Heavy rain and flooding threats
shift further north towards NW Montana. Taking a quick look at the
next 36 hours... Today`s weather, rain, snow likely and a slight
chance of freezing rain in the day, then areas of rain and snow in
the afternoon. It`ll be cooler. Snow may be heavy at times in the
day. Tonight`s weather, mostly cloudy with a chance of snow. A
chance of rain after midnight. It`ll be colder. Friday, rain and
snow likely. Snow level 4000 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 36 hours... Today`s weather, rain likely. Snow likely in
the afternoon. Tonight`s weather, rain and snow likely. Friday,
rain and snow likely.
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 36 hours... Today`s weather, areas of rain, chance of
freezing rain and areas of snow in the day, then rain, snow likely
and a slight chance of freezing rain in the afternoon. Tonight`s
weather, mostly cloudy with a 50 percent chance of rain and snow.
Friday, mostly cloudy with a 50 percent chance of rain and snow.
View Weather Briefing videos on our YouTube channel
at https://www.youtube.com/NWSMissoula
IDZ102-103-112300-
Palouse/Hells Canyon-Clearwater/Nez Perce-
311 AM PST Thu Dec 11 2025
.TODAY...
* Sky/Weather.........Mostly cloudy. Rain.
* Max Temperature.....48-58 valleys and 35-45 ridges.
* Min Humidity........75-85 percent valleys and 87-97 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......West 15-25 mph.
* Ridge Top............West 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.
.TONIGHT...
* Sky/Weather.........Mostly cloudy. Rain. Snow level 7500 feet.
* Min Temperature.....35-45.
* Max Humidity........87-97 percent valleys and 93-100 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Southwest 10-15 mph.
* Ridge Top............West 10-15 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 Palouse/Hells Canyon...and
90 percent in the Clearwater/Nez Perce.
.FRIDAY...
* Sky/Weather.........Mostly cloudy. Chance of rain. Snow level
7500 feet.
* Max Temperature.....50-60 valleys and 35-45 ridges.
* Min Humidity........68-78 percent valleys and 80-90 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.....West 15 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.
.SATURDAY...Partly cloudy with slight chance of rain. Chance of rain
20 percent. Lows 35-45. Highs 50-60. Min humidities 45-55 percent.
South winds 10-15 mph.
.SUNDAY...Partly cloudy. Lows 30-40. Highs 45-55. Min humidities
50-60 percent. South winds 10-15 mph.
.MONDAY...Mostly cloudy with slight chance of rain and snow. Chance of
precipitation 20 percent. Lows 35-45. Highs 45-55. South winds
5-10 mph.
.TUESDAY...Cloudy with rain and snow. Chance of precipitation
90 percent. Lows 35-45. Highs 45-55.
.WEDNESDAY...Mostly cloudy with snow and rain. Chance of precipitation
80 percent. Lows 30-40. Highs 40-50.
$$
MTZ104-105-112300-
Kootenai-Flathead/Glacier Park-
411 AM MST Thu Dec 11 2025
.TODAY...
* Sky/Weather.........Mostly cloudy. Rain, snow and slight chance
of freezing rain. Snow level 5500 feet.
* Max Temperature.....38-48 valleys and 30-40 ridges.
* Min Humidity........71-81 percent.
* 20-Foot Winds.......
* Lower Elevation......West 5-15 mph.
* Ridge Top............West 30-40 mph decreasing to 20-30 mph in
the afternoon.
* Mixing Height.......1-2 kft agl.
* Transport Winds.....West 25 mph until 1500, then 15 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...50 percent in the Kootenai...and 90 percent
in the Flathead/Glacier Park.
.TONIGHT...
* Sky/Weather.........Mostly cloudy. Chance of snow. Chance of rain
after midnight. Snow level 4000 feet.
* Min Temperature.....23-33.
* Max Humidity........91-100 percent valleys and 82-92 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Variable less than 5 mph in the evening
becoming downslope/downvalley 1-3 mph.
* Ridge Top............West 10-20 mph.
* Mixing Height.......1-2 kft agl.
* Transport Winds.....West 10 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...10 percent in the Kootenai...and 50 percent
in the Flathead/Glacier Park.
.FRIDAY...
* Sky/Weather.........Mostly cloudy. Snow and rain. Snow level 4000
feet.
* Max Temperature.....40-45 valleys and 30-35 ridges.
* Min Humidity........84-94 percent valleys and 77-87 percent
ridges.
* 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.....West 15 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...40 percent in the Kootenai...and 90 percent
in the Flathead/Glacier Park.
.SATURDAY...Mostly cloudy with snow likely and chance of rain. 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
65-75 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
15-25 mph.
.TUESDAY...Cloudy with rain and snow. Chance of precipitation
90 percent. Lows 35-45. Highs 35-45.
.WEDNESDAY...Mostly cloudy with snow and rain. Chance of precipitation
80 percent. Lows 30-40. Highs 30-40.
$$
MTZ106-108-112300-
West Lolo-East Lolo-
411 AM MST Thu Dec 11 2025
.TODAY...
* Sky/Weather.........Mostly cloudy. Rain. Snow in the afternoon.
Snow level 7000 feet.
* Max Temperature.....35-45.
* Min Humidity........80-90 percent valleys and 88-98 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......West 20-30 mph.
* Ridge Top............West 30-40 mph decreasing to 20-30 mph in
the afternoon.
* Mixing Height.......Below 500 ft to 1 kft agl.
* Transport Winds.....West 25 mph until 1500, then 15 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...90 percent.
.TONIGHT...
* Sky/Weather.........Mostly cloudy. Rain and snow. Snow level 6000
feet.
* Min Temperature.....30-40.
* Max Humidity........89-99 percent.
* 20-Foot Winds.......
* Lower Elevation......West 10-15 mph.
* Ridge Top............West 10-15 mph.
* Mixing Height.......Below 500 ft to 1 kft agl.
* Transport Winds.....West 15 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...70 percent in the West Lolo...and 90 percent
in the East Lolo.
.FRIDAY...
* Sky/Weather.........Mostly cloudy. Rain and snow. Snow level 6500
feet.
* Max Temperature.....35-45.
* Min Humidity........73-83 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 until 1300, then 20 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...40 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. Lows 30-40. Highs 45-55. Min humidities
50-60 percent. 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 45-55. Southwest
winds 10-15 mph.
.TUESDAY...Mostly cloudy with rain and snow. Chance of precipitation
80 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.
$$
MTZ107-112300-
Flathead Reservation-
411 AM MST Thu Dec 11 2025
.TODAY...
* Sky/Weather.........Mostly cloudy. Rain. Snow in the afternoon.
Snow level 6500 feet.
* Max Temperature.....45-50 valleys and 30-35 ridges.
* Min Humidity........75-85 percent valleys and 97 percent ridges.
* 20-Foot Winds.......
* Lower Elevation......Southwest 10-20 mph.
* Ridge Top............West 20-30 mph.
* Mixing Height.......Below 500 ft to 1 kft agl.
* Transport Winds.....West 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 and snow likely. Snow
level 5000 feet.
* Min Temperature.....35-40 valleys and 25-30 ridges.
* Max Humidity........90-100 percent.
* 20-Foot Winds.......
* Lower Elevation......Southwest 5-10 mph becoming variable less
than 5 mph after midnight.
* Ridge Top............West 10-20 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 6000 feet.
* Max Temperature.....45-50 valleys and 30-35 ridges.
* Min Humidity........79-89 percent valleys and 90 percent ridges.
* 20-Foot Winds.......
* Lower Elevation......Calm to variable less than 7 mph.
* Ridge Top............West 5-15 mph becoming 10-15 mph in the
afternoon.
* Mixing Height.......Below 500 ft to 1 kft agl.
* Transport Winds.....Southwest 10 mph until 1500, then 15 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...40 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 40-50. 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 35-45. Highs 45-55. Min humidities 55-65 percent.
South winds 10-15 mph.
.MONDAY...Mostly cloudy with slight chance of rain. Chance of rain
20 percent. Lows 35-45. Highs 45-55. South winds 5-15 mph.
.TUESDAY...Cloudy with rain and snow. Chance of precipitation
80 percent. Lows 40-50. Highs 45-55.
.WEDNESDAY...Colder. Mostly cloudy with snow and rain. Chance of
precipitation 80 percent. Lows 30-40. Highs 35-45.
$$
MTZ109-112300-
Bitterroot-
411 AM MST Thu Dec 11 2025
.TODAY...
* 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............West 30-40 mph decreasing to 20-30 mph in
the afternoon.
* Mixing Height.......1-2 kft agl.
* Transport Winds.....West 20 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...70 percent.
.TONIGHT...
* Sky/Weather.........Mostly cloudy. Rain and snow. Snow level 7500
feet.
* Min Temperature.....30-40.
* Max Humidity........85-95 percent.
* 20-Foot Winds.......
* Lower Elevation......Southwest 10-15 mph becoming south 5-10 mph
after midnight.
* Ridge Top............West 20-30 mph.
* Mixing Height.......1-2 kft agl.
* Transport Winds.....West 15 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...50 percent in the Darby, Sula, and West Fork
Districts...and 80 percent in areas north of Hamilton.
.FRIDAY...
* Sky/Weather.........Mostly cloudy. Rain likely and snow. Snow
level 7500 feet.
* Max Temperature.....50-55 valleys and 35-40 ridges.
* Min Humidity........67-77 percent.
* 20-Foot Winds.......
* Lower Elevation......Southwest 10-20 mph.
* Ridge Top............Southwest 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 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...Mostly clear. Lows 30-40. Highs 45-55. Min humidities
45-55 percent. South winds 5-15 mph.
.MONDAY...Partly cloudy with chance of rain and snow. Chance of
precipitation 30 percent. Lows 30-40. Highs 45-55. South winds
5-15 mph.
.TUESDAY...Mostly cloudy with snow with rain likely. 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.
$$
MTZ110-111-112300-
Deerlodge/West Beaverhead-East Beaverhead-
411 AM MST Thu Dec 11 2025
.TODAY...
* Sky/Weather.........Partly cloudy. Chance of rain, chance of
freezing rain and snow. Snow level 7500 feet.
* Max Temperature.....48-58 valleys and 40-45 ridges.
* Min Humidity........58-68 percent valleys and 65-75 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Southwest 20-30 mph.
* Ridge Top............West 20-30 mph.
* Mixing Height.......Below 500 ft to 1 kft agl until 1100, then 3
kft agl until 1600, then 2 kft agl.
* Transport Winds.....West 25 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...30 percent in the Deerlodge/West
Beaverhead...and 10 percent in the East Beaverhead.
.TONIGHT...
* Sky/Weather.........Mostly cloudy. Chance of rain and snow. Snow
level 7500 feet.
* Min Temperature.....30-40.
* Max Humidity........76-86 percent.
* 20-Foot Winds.......
* Lower Elevation......Southwest 10-20 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........54-64 percent.
* 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 1100, then 3
kft agl until 1600, then 2 kft agl.
* Transport Winds.....West 20 mph until 1400, then 25 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. Southwest 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 25-35. Highs 35-45.
$$