Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Missoula, MT
Issued by NWS Missoula, MT
954
FNUS55 KMSO 182031
FWFMSO
Fire Weather Planning Forecast for Wrn Montana and N Cntrl Idaho
National Weather Service Missoula MT
131 PM MST Tue Nov 18 2025
.DISCUSSION...
Idaho (Zones 102 and 103): Foggy Mornings: Areas of valley fog are
likely each day through Friday. Taking a quick look at the next
48 hours... Tonight`s weather, mostly cloudy with a 50 percent
chance of areas of rain and snow. Patchy fog. Wednesday, mostly
cloudy with a 50 percent chance of rain and snow in the day, then
mostly sunny in the afternoon. Patchy fog in the day. Wednesday
Night, mostly clear. Patchy fog until midnight. Thursday, partly
cloudy. Patchy fog in the day. A 20 percent chance of rain in the
afternoon.
Northwest MT (Zones 104 and 105): Foggy Mornings: Areas of valley
fog are likely each day through Friday. Taking a quick look at
the next 48 hours... Tonight`s weather, mostly cloudy. Slight chance
of snow until midnight, then areas of rain and snow after midnight.
Patchy fog after midnight. Wednesday, mostly cloudy. A 50 percent
chance of snow in the day. Patchy fog in the day. It`ll be cooler.
Wednesday Night, mostly clear. Thursday, partly cloudy. Patchy fog
in the day.
West Central MT (Zones 106, 107 and 108): Foggy Mornings: Areas of
valley fog are likely each day through Friday. Taking a quick
look at the next 48 hours... Tonight`s weather, mostly cloudy. A
20 percent chance of rain and snow after midnight. Patchy fog after
midnight. Wednesday, mostly cloudy with a 50 percent chance of snow
in the day, then mostly sunny in the afternoon. Patchy fog in the
day. It`ll be cooler. Wednesday Night, mostly clear. Patchy fog
after midnight. Thursday, partly cloudy. Patchy fog in the day.
Southwest MT (Zones 109, 110 and 111): Foggy Mornings: Areas of
valley fog are likely each day through Friday. Taking a quick
look at the next 48 hours... Tonight`s weather, mostly cloudy with a
50 percent chance of areas of rain and snow. Patchy fog after
midnight. Wednesday, mostly cloudy with a 50 percent chance of rain
and snow. Patchy fog in the day. It`ll be cooler. Wednesday Night,
partly cloudy. Thursday, mostly sunny. Humidities will be a little
lower.
IDZ102-103-191100-
Palouse/Hells Canyon-Clearwater/Nez Perce-
1231 PM PST Tue Nov 18 2025
.TONIGHT...
* Sky/Weather.........Mostly cloudy. and patchy fog. Chance of rain
and snow. Snow level 4500 feet.
* Min Temperature.....30-35.
* Max Humidity........82-92 percent.
* 20-Foot Winds.......
* Lower Elevation......Variable less than 5 mph in the evening
becoming downslope/downvalley 1-3 mph.
* Ridge Top............West up to 5 mph.
* Mixing Height.......1-2 kft agl.
* Transport Winds.....Variable less than 10 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...10 percent.
.WEDNESDAY...
* Sky/Weather.........Partly cloudy. Patchy fog in the morning.
Chance of snow and rain. Snow level 4500 feet.
* Max Temperature.....48-58 valleys and 35-45 ridges.
* Min Humidity........59-69 percent valleys and 67-77 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Calm to variable less than 7 mph.
* Ridge Top............South up to 5 mph in the morning.
* Mixing Height.......Below 500 ft to 1 kft agl until 1400, then 2
kft agl.
* Transport Winds.....Variable less than 10 mph.
* Chance Lightning....0 percent in the Palouse/Hells Canyon...and
near 0 percent in the Clearwater/Nez Perce.
* CWR (> 0.10 Inch)...0 percent.
.WEDNESDAY NIGHT...
* Sky/Weather.........Partly cloudy. Patchy fog in the evening.
* Min Temperature.....30-35.
* Max Humidity........78-88 percent.
* 20-Foot Winds.......
* Lower Elevation......East 5-10 mph.
* Ridge Top............Southeast 5-10 mph.
* Mixing Height.......Below 500 ft to 1 kft agl.
* Transport Winds.....Southeast 10 mph.
* Chance Lightning....0 percent.
* CWR (> 0.10 Inch)...0 percent.
.THURSDAY...
* Sky/Weather.........Partly cloudy. Patchy fog in the morning.
Snow level 6500 feet.
* Max Temperature.....50-60 valleys and 40-50 ridges.
* Min Humidity........56-66 percent valleys and 63-73 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Calm to variable less than 7 mph.
* Ridge Top............Southeast 5-10 mph becoming southwest up to
5 mph in the afternoon.
* Mixing Height.......Below 500 ft to 1 kft agl until 1300, then 2
kft agl.
* Transport Winds.....Variable less than 10 mph.
* Chance Lightning....0 percent in the Palouse/Hells Canyon...and
near 0 percent in the Clearwater/Nez Perce.
* CWR (> 0.10 Inch)...10 percent.
.FRIDAY...Partly cloudy with slight chance of rain and snow. Chance of
precipitation 20 percent. Lows 30-40. Highs 45-55. Min humidities
55-65 percent. Variable winds up to 10 mph.
.SATURDAY...Mostly cloudy with slight chance of rain and snow. Chance
of precipitation 20 percent. Lows 35-45. Highs 45-55. Min humidities
55-65 percent. South winds 5-10 mph.
.SUNDAY...Mostly cloudy with chance of rain and snow. Chance of
precipitation 40 percent. Lows 35-45. Highs 45-55. South winds
5-10 mph.
.MONDAY...Mostly cloudy with rain and snow likely. Chance of
precipitation 60 percent. Lows 35-45. Highs 45-55.
.TUESDAY...Colder. Mostly cloudy with snow likely and chance of rain.
Chance of precipitation 70 percent. Lows 25-35. Highs 35-45.
$$
MTZ104-105-191100-
Kootenai-Flathead/Glacier Park-
131 PM MST Tue Nov 18 2025
.TONIGHT...
* Sky/Weather.........Mostly cloudy. Chance of snow. Chance of rain
after midnight. Patchy fog after midnight. Snow level 4000 feet.
* Min Temperature.....25-30.
* Max Humidity........97-100 percent valleys and 81-91 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Variable less than 5 mph in the evening
becoming downslope/downvalley 1-3 mph.
* Ridge Top............West 5-15 mph.
* Mixing Height.......1-2 kft agl.
* Transport Winds.....West 15 mph until 2400, then variable less
than 10 mph.
* Chance Lightning....0 percent in the Kootenai...and near 0
percent in the Flathead/Glacier Park.
* CWR (> 0.10 Inch)...10 percent.
.WEDNESDAY...
* Sky/Weather.........Partly cloudy. Patchy fog in the morning.
Chance of snow.
* Max Temperature.....45-50 valleys and 30-40 ridges.
* Min Humidity........57-67 percent valleys and 65-75 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Calm to variable less than 7 mph.
* Ridge Top............Northeast up to 5 mph becoming southeast in
the afternoon.
* Mixing Height.......1-2 kft agl until 1300, then 3 kft agl.
* Transport Winds.....Variable less than 10 mph.
* Chance Lightning....0 percent.
* CWR (> 0.10 Inch)...0 percent.
.WEDNESDAY NIGHT...
* Sky/Weather.........Partly cloudy.
* Min Temperature.....25-30.
* Max Humidity........94-100 percent valleys and 77-87 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......East 5-10 mph.
* Ridge Top............East 5-10 mph.
* Mixing Height.......Below 500 ft to 1 kft agl.
* Transport Winds.....Variable less than 10 mph.
* Chance Lightning....0 percent.
* CWR (> 0.10 Inch)...0 percent.
.THURSDAY...
* Sky/Weather.........Partly cloudy. Patchy fog in the morning.
* Max Temperature.....45-50 valleys and 30-40 ridges.
* Min Humidity........57-67 percent valleys and 69-79 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Calm to variable less than 7 mph.
* Ridge Top............South 5-10 mph becoming southwest 10-15 mph
in the afternoon.
* Mixing Height.......Below 500 ft to 1 kft agl.
* Transport Winds.....Variable less than 10 mph until 1000, then
southwest 10 mph.
* Chance Lightning....0 percent.
* CWR (> 0.10 Inch)...0 percent.
.FRIDAY...Mostly cloudy with chance of rain and snow. Chance of
precipitation 30 percent. Lows 30-40. Highs 35-45. Min humidities
70-80 percent. Southwest winds 10-20 mph.
.SATURDAY...Mostly cloudy with chance of rain and snow. Chance of
precipitation 50 percent. Lows 30-40. Highs 40-50. Min humidities
70-80 percent. Southwest winds 10-20 mph.
.SUNDAY...Mostly cloudy with rain and snow likely. Chance of
precipitation 60 percent. Lows 35-45. Highs 40-50. Southwest winds
10-20 mph.
.MONDAY...Mostly cloudy with snow and rain likely. Chance of
precipitation 70 percent. Lows 30-40. Highs 35-45.
.TUESDAY...Colder. Mostly cloudy with snow likely. Chance of snow
70 percent. Lows 20-30. Highs 25-35.
$$
MTZ106-108-191100-
West Lolo-East Lolo-
131 PM MST Tue Nov 18 2025
.TONIGHT...
* Sky/Weather.........Partly cloudy. Patchy fog after midnight.
Slight chance of snow after midnight. Snow level 5000 feet.
* Min Temperature.....25-30.
* Max Humidity........83-93 percent.
* 20-Foot Winds.......
* Lower Elevation......West 5-10 mph.
* Ridge Top............West 5-10 mph.
* Mixing Height.......Below 500 ft to 1 kft agl.
* Transport Winds.....West 10 mph.
* Chance Lightning....Near 0 percent in the West Lolo...and 0
percent in the East Lolo.
* CWR (> 0.10 Inch)...0 percent.
.WEDNESDAY...
* Sky/Weather.........Partly cloudy. Patchy fog in the morning.
Chance of snow.
* Max Temperature.....35-45.
* Min Humidity........56-66 percent valleys and 69-79 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Calm to variable less than 7 mph.
* Ridge Top............North up to 5 mph becoming southeast in the
afternoon.
* Mixing Height.......Below 500 ft to 1 kft agl until 1300, then 3
kft agl.
* Transport Winds.....Variable less than 10 mph.
* Chance Lightning....0 percent.
* CWR (> 0.10 Inch)...0 percent.
.WEDNESDAY NIGHT...
* Sky/Weather.........Partly cloudy. Patchy fog after midnight.
* Min Temperature.....25-30.
* Max Humidity........86-96 percent valleys and 79-89 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Calm to variable less than 7 mph.
* Ridge Top............Southeast 5-10 mph.
* Mixing Height.......Below 500 ft to 1 kft agl.
* Transport Winds.....Variable less than 10 mph.
* Chance Lightning....0 percent.
* CWR (> 0.10 Inch)...0 percent.
.THURSDAY...
* Sky/Weather.........Partly cloudy. Patchy fog in the morning.
* Max Temperature.....38-48.
* Min Humidity........56-66 percent valleys and 65-75 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Calm to variable less than 7 mph.
* Ridge Top............South 5-10 mph.
* Mixing Height.......Below 500 ft to 1 kft agl until 1400, then
1-2 kft agl.
* Transport Winds.....Variable less than 10 mph.
* Chance Lightning....0 percent.
* CWR (> 0.10 Inch)...0 percent.
.FRIDAY...Partly cloudy with slight chance of rain and snow. Chance of
precipitation 20 percent. Lows 30-40. Highs 40-50. Min humidities
60-70 percent. Southwest winds 5-10 mph.
.SATURDAY...Mostly 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 10-15 mph.
.SUNDAY...Mostly cloudy with chance of rain and snow. Chance of
precipitation 50 percent. Lows 35-45. Highs 40-50. Southwest winds
10-15 mph.
.MONDAY...Mostly cloudy with snow and rain likely. Chance of
precipitation 60 percent. Lows 30-40. Highs 40-50.
.TUESDAY...Colder. Mostly cloudy with snow likely. Chance of snow
60 percent. Lows 25-35. Highs 30-40.
$$
MTZ107-191100-
Flathead Reservation-
131 PM MST Tue Nov 18 2025
.TONIGHT...
* Sky/Weather.........Mostly cloudy. Patchy fog after midnight.
Slight chance of snow after midnight. Snow level 4000 feet.
* Min Temperature.....30-35 valleys and 20-25 ridges.
* Max Humidity........81-91 percent.
* 20-Foot Winds.......
* Lower Elevation......Variable less than 5 mph.
* Ridge Top............West 5-10 mph.
* Mixing Height.......Below 500 ft to 1 kft agl.
* 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)...10 percent.
.WEDNESDAY...
* Sky/Weather.........Partly cloudy. Patchy fog in the morning.
Slight chance of snow.
* Max Temperature.....45-50 valleys and 30-35 ridges.
* Min Humidity........64-74 percent valleys and 74-84 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Calm to variable less than 7 mph.
* Ridge Top............Northwest up to 5 mph becoming southeast in
the afternoon.
* Mixing Height.......Below 500 ft to 1 kft agl until 1300, then 2
kft agl.
* Transport Winds.....Variable less than 10 mph.
* Chance Lightning....0 percent.
* CWR (> 0.10 Inch)...0 percent.
.WEDNESDAY NIGHT...
* Sky/Weather.........Partly cloudy. Patchy fog after midnight.
* Min Temperature.....25-35.
* Max Humidity........81-91 percent.
* 20-Foot Winds.......
* Lower Elevation......Northeast 5-10 mph.
* Ridge Top............Southeast 5-10 mph becoming 5-15 mph after
midnight.
* Mixing Height.......Below 500 ft to 1 kft agl.
* Transport Winds.....Variable less than 10 mph.
* Chance Lightning....0 percent.
* CWR (> 0.10 Inch)...0 percent.
.THURSDAY...
* Sky/Weather.........Partly cloudy. Patchy fog in the morning.
* Max Temperature.....45-50 valleys and 30-35 ridges.
* Min Humidity........68-78 percent valleys and 76-86 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Calm to variable less than 7 mph.
* Ridge Top............Southeast 5-15 mph becoming southwest up to
5 mph in the afternoon.
* Mixing Height.......Below 500 ft to 1 kft agl.
* Transport Winds.....Variable less than 10 mph.
* Chance Lightning....0 percent.
* CWR (> 0.10 Inch)...0 percent.
.FRIDAY...Partly cloudy. Lows 30-40. Highs 40-50. Min humidities
60-70 percent. Southwest winds 5-10 mph.
.SATURDAY...Mostly cloudy with chance of rain and snow. Chance of
precipitation 30 percent. Lows 35-45. Highs 45-55. Min humidities
65-75 percent. Southwest winds 5-10 mph.
.SUNDAY...Mostly cloudy with chance of rain and snow. Chance of
precipitation 50 percent. Lows 35-45. Highs 45-55. Southwest winds
5-15 mph.
.MONDAY...Mostly cloudy with rain and snow likely. Chance of
precipitation 60 percent. Lows 35-45. Highs 45-55.
.TUESDAY...Colder. Mostly cloudy with snow and rain likely. Chance of
precipitation 60 percent. Lows 25-35. Highs 35-45.
$$
MTZ109-191100-
Bitterroot-
131 PM MST Tue Nov 18 2025
.TONIGHT...
* Sky/Weather.........Mostly cloudy. Chance of rain and snow.
Patchy fog after midnight. Snow level 6500 feet.
* Min Temperature.....30-35.
* Max Humidity........83-93 percent.
* 20-Foot Winds.......
* Lower Elevation......Variable less than 5 mph in the evening
becoming downslope/downvalley 1-3 mph.
* Ridge Top............West 5-10 mph.
* Mixing Height.......1-2 kft agl.
* Transport Winds.....Variable less than 10 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...20 percent.
.WEDNESDAY...
* Sky/Weather.........Partly cloudy. Patchy fog in the morning.
Chance of snow and rain. Snow level 6000 feet.
* Max Temperature.....45-50 valleys and 35-40 ridges.
* Min Humidity........61-71 percent valleys and 73-83 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Calm to variable less than 7 mph.
* Ridge Top............South up to 5 mph.
* Mixing Height.......1-2 kft agl.
* Transport Winds.....Variable less than 10 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...10 percent.
.WEDNESDAY NIGHT...
* Sky/Weather.........Partly cloudy. Patchy fog in the evening.
* Min Temperature.....25-35.
* Max Humidity........76-86 percent.
* 20-Foot Winds.......
* Lower Elevation......Calm to variable less than 7 mph.
* Ridge Top............Southeast 5-10 mph.
* Mixing Height.......1-2 kft agl.
* Transport Winds.....Southeast 10 mph.
* Chance Lightning....0 percent.
* CWR (> 0.10 Inch)...0 percent.
.THURSDAY...
* Sky/Weather.........Partly cloudy.
* Max Temperature.....50-55 valleys and 40-45 ridges.
* Min Humidity........49-59 percent valleys and 60-70 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Calm to variable less than 7 mph.
* Ridge Top............South 5-10 mph.
* Mixing Height.......Below 500 ft to 1 kft agl until 1200, then 3
kft agl until 1600, then 2 kft agl.
* Transport Winds.....Variable less than 10 mph.
* Chance Lightning....0 percent.
* CWR (> 0.10 Inch)...0 percent.
.FRIDAY...Partly cloudy. Lows 30-40. Highs 40-50. Min humidities
50-60 percent. Southwest winds 5-10 mph.
.SATURDAY...Partly cloudy with slight chance of rain and snow. Chance
of precipitation 20 percent. Lows 30-40. Highs 45-55. Min humidities
45-55 percent. Southwest winds 10-15 mph.
.SUNDAY...Mostly cloudy with chance of snow and rain. Chance of
precipitation 30 percent. Lows 30-40. Highs 45-55. Southwest winds
5-15 mph.
.MONDAY...Mostly cloudy with chance of snow and rain. Chance of
precipitation 50 percent. Lows 30-40. Highs 40-50.
.TUESDAY...Colder. Mostly cloudy with snow likely. Chance of snow
60 percent. Lows 25-35. Highs 30-40.
$$
MTZ110-111-191100-
Deerlodge/West Beaverhead-East Beaverhead-
131 PM MST Tue Nov 18 2025
.TONIGHT...
* Sky/Weather.........Mostly cloudy. Patchy fog after midnight.
Slight chance of rain after midnight. Snow level 7000 feet.
* Min Temperature.....25-35.
* Max Humidity........82-92 percent.
* 20-Foot Winds.......
* Lower Elevation......Southwest 5-10 mph.
* Ridge Top............Southwest 5-10 mph.
* Mixing Height.......Below 500 ft to 1 kft agl.
* Transport Winds.....Southwest 10 mph.
* Chance Lightning....0 percent.
* CWR (> 0.10 Inch)...0 percent.
.WEDNESDAY...
* Sky/Weather.........Partly cloudy. Patchy fog in the morning.
Chance of snow and slight chance of rain. Snow level 6500 feet.
* Max Temperature.....45-50 valleys and 35-40 ridges.
* Min Humidity........53-63 percent valleys and 63-73 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Calm to variable less than 7 mph.
* Ridge Top............Southwest 5-10 mph.
* Mixing Height.......Below 500 ft to 1 kft agl until 1200, then 3
kft agl.
* Transport Winds.....Variable less than 10 mph until 0900. 10 mph
after 1300.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...10 percent.
.WEDNESDAY NIGHT...
* Sky/Weather.........Partly cloudy.
* Min Temperature.....18-28 valleys and 25-30 ridges.
* Max Humidity........90-100 percent valleys and 78-88 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......South 5-10 mph.
* Ridge Top............South 5-15 mph.
* Mixing Height.......Below 500 ft to 1 kft agl.
* Transport Winds.....South 10 mph until 0400, then variable less
than 10 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.........Partly cloudy.
* Max Temperature.....45-50 valleys and 35-45 ridges.
* Min Humidity........38-48 percent valleys and 49-59 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Calm to variable less than 7 mph.
* Ridge Top............Southwest 5-10 mph.
* Mixing Height.......Below 500 ft to 1 kft agl until 1200, then 3
kft agl until 1600, then 1-2 kft agl.
* Transport Winds.....Variable less than 10 mph.
* Chance Lightning....0 percent.
* CWR (> 0.10 Inch)...0 percent.
.FRIDAY...Mostly clear. Lows 25-35. Highs 40-50. Min humidities
40-50 percent. Southwest winds 5-10 mph.
.SATURDAY...Partly cloudy. Lows 25-35. Highs 40-50. Min humidities
40-50 percent. Southwest winds 10-15 mph.
.SUNDAY...Partly cloudy with slight chance of snow. Chance of snow
20 percent. Lows 30-40. Highs 45-55. Southwest winds 5-15 mph.
.MONDAY...Mostly cloudy with chance of snow and rain. Chance of
precipitation 30 percent. Lows 30-40. Highs 40-50.
.TUESDAY...Colder. Mostly cloudy with chance of snow. Chance of snow
30 percent. Lows 20-30. Highs 30-40.
$$