Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Missoula, MT
Issued by NWS Missoula, MT
534
FNUS55 KMSO 022032
FWFMSO
Fire Weather Planning Forecast for Wrn Montana and N Cntrl Idaho
National Weather Service Missoula MT
231 PM MDT Wed Apr 2 2025
...This planning forecast is now automated during the cool season.
Please submit a spot request or contact NWS for decision support...
NOTE: Haines Index and LAL values are no longer produced.
.DISCUSSION...
Key Message and Short Term Overview:
Idaho (Zones 102 and 103): A Canadian cold front will bring snow to
northwest Montana, including the Flathead valley late into
Thursday. Taking a quick look at the next 48 hours... Tonight`s
weather, mostly cloudy. Chance of snow showers, slight chance of
showers and thunderstorms until midnight, then slight chance of snow
after midnight. Thursday, chance of snow showers in the day, then
snow with possible rain and thunderstorms likely in the afternoon.
Snow level 3500 feet. Thursday Night, mostly cloudy with a chance of
snow and a slight chance of rain until midnight, then mostly clear
after midnight. Friday, mostly sunny. It`ll be not as cool.
Humidities will be a little lower.
Northwest MT (Zones 104 and 105): A Canadian cold front will bring
snow to northwest Montana, including the Flathead valley late into
Thursday. Taking a quick look at the next 48 hours... Tonight`s
weather, snow showers likely with possible showers and thunderstorms
until midnight, then areas of snow after midnight. Snow level
3500 feet. Thursday, snow likely in the day, then snow showers
likely and a slight chance of thunderstorms in the afternoon. It`ll
be colder. Snow may be heavy at times in the afternoon. Thursday
Night, partly cloudy. A 20 percent chance of snow until midnight.
It`ll be colder. Friday, mostly sunny. It`ll be not as cold.
Humidities will be a little lower.
West Central MT (Zones 106, 107 and 108): A Canadian cold front will
bring snow to northwest Montana, including the Flathead valley late
into Thursday. Taking a quick look at the next 48 hours... Tonight`s
weather, mostly cloudy. Chance of rain showers, snow showers and a
slight chance of thunderstorms until midnight, then areas of rain and
a slight chance of snow after midnight. Snow may be heavy at times
until midnight. Thursday, a chance of snow in the day, then snow
showers, rain showers likely and a slight chance of thunderstorms in
the afternoon. It`ll be colder. Snow level 3500 feet. Thursday
Night, mostly cloudy with a 50 percent chance of snow until midnight,
then partly cloudy after midnight. Friday, mostly sunny. Humidities
will be a little lower.
Southwest MT (Zones 109, 110 and 111): A Canadian cold front will
bring snow to northwest Montana, including the Flathead valley late
into Thursday. Taking a quick look at the next 48 hours... Tonight`s
weather, mostly cloudy. A 20 percent chance of snow until midnight.
Thursday, mostly cloudy with a 50 percent chance of snow. Thursday
Night, mostly cloudy with a 50 percent chance of snow. Friday,
partly cloudy. Humidities will be a little lower.
IDZ102-103-031000-
Palouse/Hells Canyon-Clearwater/Nez Perce-
131 PM PDT Wed Apr 2 2025
.TONIGHT...
* Sky/Weather.........Partly cloudy. Chance of snow showers, slight
chance of rain showers and thunderstorms. Snow level 4000 feet.
* Min Temperature.....30-35 valleys and 20-30 ridges.
* Max Humidity........72-82 percent.
* 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.......4 kft agl until 1900. Below 500 ft to 1 kft
agl after 2000.
* Transport Winds.....West 15 mph until 2200, then variable less
than 10 mph.
* Chance Lightning....20 percent.
* CWR (> 0.10 Inch)...10 percent.
.THURSDAY...
* Sky/Weather.........Partly cloudy. Chance of snow showers in the
morning, then snow with possible rain and thunderstorms likely in
the afternoon. Snow level 3500 feet.
* Max Temperature.....45-55 valleys and 30-40 ridges.
* Min Humidity........50-60 percent valleys and 56-66 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......West 5-15 mph.
* Ridge Top............West 5-15 mph.
* Mixing Height.......2 kft agl until 1000. 6 kft agl after 1500.
* Transport Winds.....West 10 mph until 1500, then northwest 15
mph.
* Chance Lightning....20 percent in the Palouse/Hells Canyon...and
15 percent in the Clearwater/Nez Perce.
* CWR (> 0.10 Inch)...20 percent in the Palouse/Hells Canyon...and
40 percent in the Clearwater/Nez Perce.
.THURSDAY NIGHT...
* Sky/Weather.........Partly cloudy. Chance of snow and slight
chance of rain. Snow level 3000 feet.
* Min Temperature.....20-30.
* Max Humidity........71-81 percent.
* 20-Foot Winds.......
* Lower Elevation......Northwest 5-10 mph in the evening becoming
downslope/downvalley 2-5 mph.
* Ridge Top............Northwest 5-15 mph.
* Mixing Height.......5 kft agl until 1900. Below 500 ft to 1 kft
agl after 2000.
* Transport Winds.....Northwest 15 mph until 2100, then variable
less than 10 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...10 percent.
.FRIDAY...
* Sky/Weather.........Partly cloudy.
* Max Temperature.....50-60 valleys and 35-45 ridges.
* Min Humidity........30-40 percent.
* 20-Foot Winds.......
* Lower Elevation......Calm to becoming upslope/upvalley 4-8 mph in
the afternoon.
* Ridge Top............North 5-15 mph.
* Mixing Height.......1-2 kft agl until 1000. 7 kft agl after 1400.
* Transport Winds.....Variable less than 10 mph.
* Chance Lightning....0 percent.
* CWR (> 0.10 Inch)...0 percent.
.SATURDAY...Clear. Lows 25-35. Highs 55-65. Min humidities
25-35 percent. Southeast winds 5-10 mph.
.SUNDAY...Mostly clear. Lows 30-40. Highs 60-70. Min humidities
20-30 percent. South winds 5-10 mph.
.MONDAY...Partly cloudy with chance of rain showers. Chance of showers
50 percent. Lows 35-45. Highs 55-65. South winds 5-10 mph.
.TUESDAY...Mostly cloudy with chance of rain showers and snow. Chance
of precipitation 30 percent. Lows 35-45. Highs 55-65.
.WEDNESDAY...Partly cloudy with chance of rain and snow. Chance of
precipitation 30 percent. Lows 35-45. Highs 60-70.
$$
MTZ104-105-031000-
Kootenai-Flathead/Glacier Park-
231 PM MDT Wed Apr 2 2025
.TONIGHT...
* Sky/Weather.........Mostly cloudy. Snow showers likely with
possible rain showers and thunderstorms in the evening, then
chance of snow after midnight. Snow level 3500 feet.
* Min Temperature.....23-33.
* Max Humidity........74-84 percent.
* 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.......4 kft agl until 1900. 1-2 kft agl after 2000.
* Transport Winds.....West 15 mph.
* Chance Lightning....20 percent.
* CWR (> 0.10 Inch)...30 percent in the Kootenai...and 60 percent
in the Flathead/Glacier Park.
.THURSDAY...
* Sky/Weather.........Mostly cloudy. Snow in the morning, then snow
showers and slight chance of thunderstorms in the afternoon.
* Max Temperature.....40-50 valleys and 30-40 ridges.
* Min Humidity........38-48 percent valleys and 61-71 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Calm to variable less than 7 mph.
* Ridge Top............North 10-20 mph.
* Mixing Height.......3 kft agl until 1000. 6 kft agl after 1500.
* Transport Winds.....Northwest 10 mph until 1100, then north 15
mph.
* Chance Lightning....20 percent.
* CWR (> 0.10 Inch)...70 percent in the Kootenai...and 90 percent
in the Flathead/Glacier Park.
.THURSDAY NIGHT...
* Sky/Weather.........Partly cloudy. Slight chance of snow.
* Min Temperature.....13-23.
* Max Humidity........65-75 percent.
* 20-Foot Winds.......
* Lower Elevation......Variable less than 5 mph in the evening
becoming downslope/downvalley 1-3 mph.
* Ridge Top............East 10-20 mph.
* Mixing Height.......5 kft agl until 1900. Below 500 ft to 1 kft
agl after 2000.
* Transport Winds.....Northeast 10 mph until 2400, then east 10
mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...10 percent.
.FRIDAY...
* Sky/Weather.........Mostly sunny.
* Max Temperature.....45-55 valleys and 35-45 ridges.
* Min Humidity........29-39 percent valleys and 44-54 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 until 1000. 7 kft agl after 1400.
* Transport Winds.....Variable less than 10 mph until 1100, then
northwest 10 mph.
* Chance Lightning....0 percent.
* CWR (> 0.10 Inch)...0 percent.
.SATURDAY...Mostly clear. Lows 25-35. Highs 50-60. Min humidities
25-35 percent. Southwest winds 10-15 mph.
.SUNDAY...Mostly clear. Lows 30-40. Highs 55-65. Min humidities
25-35 percent. Southwest winds 10-15 mph.
.MONDAY...Partly cloudy with slight chance of rain. Chance of rain
20 percent. Lows 35-45. Highs 55-65. Southwest winds 10-20 mph.
.TUESDAY...Cooler. Mostly cloudy with chance of rain and snow. Chance
of precipitation 30 percent. Lows 35-45. Highs 45-55.
.WEDNESDAY...Partly cloudy with chance of rain and snow. Chance of
precipitation 30 percent. Lows 35-45. Highs 50-60.
$$
MTZ106-108-031000-
West Lolo-East Lolo-
231 PM MDT Wed Apr 2 2025
.TONIGHT...
* Sky/Weather.........Partly cloudy. Chance of snow showers, slight
chance of rain and thunderstorms. Slight chance of snow after
midnight. Snow level 4000 feet.
* Min Temperature.....20-30.
* Max Humidity........82-92 percent valleys and 75-85 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Southwest 10-15 mph.
* Ridge Top............West 10-15 mph.
* Mixing Height.......4 kft agl until 1900. Below 500 ft to 1 kft
agl after 2000.
* Transport Winds.....West 15 mph.
* Chance Lightning....15 percent in the West Lolo...and near 0
percent in the East Lolo.
* CWR (> 0.10 Inch)...10 percent.
.THURSDAY...
* Sky/Weather.........Mostly cloudy. Chance of snow in the morning,
then snow showers, rain showers and slight chance of
thunderstorms in the afternoon. Snow level 3500 feet.
* Max Temperature.....40-50 valleys and 33-43 ridges.
* Min Humidity........52-62 percent.
* 20-Foot Winds.......
* Lower Elevation......West 5-15 mph.
* Ridge Top............West 10-20 mph.
* Mixing Height.......2 kft agl until 1000, then 4 kft agl until
1200, then 5 kft agl until 1700, then 4 kft agl.
* Transport Winds.....West 15 mph until 1700, then northwest 15
mph.
* Chance Lightning....20 percent.
* CWR (> 0.10 Inch)...50 percent.
.THURSDAY NIGHT...
* Sky/Weather.........Partly cloudy. Chance of snow.
* Min Temperature.....15-25.
* Max Humidity........80-90 percent valleys and 71-81 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Northeast 10-15 mph.
* Ridge Top............Northeast 10-15 mph.
* Mixing Height.......4 kft agl until 1900. Below 500 ft to 1 kft
agl after 2000.
* Transport Winds.....Northeast 15 mph until 2200, then east 10
mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...20 percent.
.FRIDAY...
* Sky/Weather.........Mostly sunny.
* Max Temperature.....45-55 valleys and 35-45 ridges.
* Min Humidity........32-42 percent.
* 20-Foot Winds.......
* Lower Elevation......Calm to variable less than 7 mph.
* Ridge Top............Northeast 5-15 mph becoming northwest 5-10
mph in the afternoon.
* Mixing Height.......2 kft agl until 1000. 7 kft agl after 1400.
* Transport Winds.....Variable less than 10 mph until 1200, then
north 10 mph.
* Chance Lightning....0 percent.
* CWR (> 0.10 Inch)...0 percent.
.SATURDAY...Mostly clear. Lows 20-30. Highs 50-60. Min humidities
25-35 percent. Southwest winds 5-10 mph.
.SUNDAY...Mostly clear. Lows 30-40. Highs 55-65. Min humidities
20-30 percent. Southwest winds 10-15 mph.
.MONDAY...Partly cloudy with slight chance of rain. Chance of rain
20 percent. Lows 35-45. Highs 55-65. Southwest winds 10-15 mph.
.TUESDAY...Partly cloudy with slight chance of rain and snow. Chance of
precipitation 20 percent. Lows 35-45. Highs 50-60.
.WEDNESDAY...Partly cloudy with chance of rain and slight chance of
snow. Chance of precipitation 30 percent. Lows 35-45. Highs 55-65.
$$
MTZ107-031000-
Flathead Reservation-
231 PM MDT Wed Apr 2 2025
.TONIGHT...
* Sky/Weather.........Mostly cloudy. Chance of rain showers, snow
showers and slight chance of thunderstorms in the evening, then
chance of snow and rain after midnight. Snow level 3500 feet.
* Min Temperature.....30-35 valleys and 20-25 ridges.
* Max Humidity........74-84 percent valleys and 86-96 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Southwest 10-15 mph.
* Ridge Top............Southwest 10-15 mph.
* Mixing Height.......5 kft agl until 1900. Below 500 ft to 1 kft
agl after 2000.
* Transport Winds.....West 15 mph.
* Chance Lightning....20 percent in areas west of Highway 93...and
15 percent in the Mission Mtns and areas east of Highway 93.
* CWR (> 0.10 Inch)...0 percent in areas west of Highway 93...and
30 percent in the Mission Mtns and areas east of Highway 93.
.THURSDAY...
* Sky/Weather.........Mostly cloudy. Snow likely and chance of rain
in the morning, then rain showers, snow showers and slight chance
of thunderstorms in the afternoon. Snow level 3000 feet.
* Max Temperature.....45-50 valleys and 25-30 ridges.
* Min Humidity........48-58 percent valleys and 67-77 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Calm to variable less than 7 mph.
* Ridge Top............West 10-20 mph.
* Mixing Height.......2 kft agl until 1000, then 3 kft agl until
1100, then 5 kft agl until 1600, then 4 kft agl.
* Transport Winds.....West 10 mph until 1300, then north 15 mph.
* Chance Lightning....20 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.
.THURSDAY NIGHT...
* Sky/Weather.........Partly cloudy. Slight chance of snow and
rain.
* Min Temperature.....25-30 valleys and 15-20 ridges.
* Max Humidity........71-81 percent valleys and 77-87 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......North 10-15 mph.
* Ridge Top............North 15-25 mph becoming south 10-20 mph
after midnight.
* Mixing Height.......4 kft agl until 2000, then below 500 ft to 1
kft agl.
* Transport Winds.....Northeast 15 mph until 0100, then variable
less than 10 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...10 percent.
.FRIDAY...
* Sky/Weather.........Mostly sunny.
* Max Temperature.....50-55 valleys and 30-35 ridges.
* Min Humidity........27-37 percent valleys and 40-50 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Calm to becoming upslope/upvalley 4-8 mph in
the afternoon.
* Ridge Top............Southwest 5-15 mph becoming west in the
afternoon.
* Mixing Height.......1-2 kft agl until 1000. 6 kft agl after 1400.
* Transport Winds.....Variable less than 10 mph.
* Chance Lightning....0 percent.
* CWR (> 0.10 Inch)...0 percent.
.SATURDAY...Mostly clear. Lows 25-35. Highs 55-65. Min humidities
20-30 percent. South winds 5-10 mph.
.SUNDAY...Mostly clear. Lows 30-40. Highs 60-70. Min humidities
20-30 percent. Southwest winds 5-10 mph.
.MONDAY...Partly cloudy with slight chance of rain. Chance of rain
20 percent. Lows 35-45. Highs 60-70. South winds 10-15 mph.
.TUESDAY...Partly cloudy with slight chance of rain. Chance of rain
20 percent. Lows 35-45. Highs 55-65.
.WEDNESDAY...Partly cloudy with slight chance of rain. Chance of rain
20 percent. Lows 40-50. Highs 55-65.
$$
MTZ109-031000-
Bitterroot-
231 PM MDT Wed Apr 2 2025
.TONIGHT...
* Sky/Weather.........Partly cloudy.
* Min Temperature.....18-28.
* Max Humidity........73-83 percent.
* 20-Foot Winds.......
* Lower Elevation......Northwest 5-10 mph in the evening becoming
downslope/downvalley 2-5 mph.
* Ridge Top............Northwest 10-20 mph becoming west 5-10 mph
after midnight.
* Mixing Height.......5 kft agl until 1900. 1-2 kft agl after 2000.
* Transport Winds.....Northwest 15 mph until 2400, then variable
less than 10 mph.
* Chance Lightning....15 percent in the Darby, Sula, and West Fork
Districts...and near 0 percent in areas north of Hamilton.
* CWR (> 0.10 Inch)...10 percent.
.THURSDAY...
* Sky/Weather.........Mostly cloudy. Slight chance of snow in the
morning, then snow showers likely and slight chance of
thunderstorms in the afternoon.
* Max Temperature.....45-50 valleys and 30-35 ridges.
* Min Humidity........39-49 percent valleys and 47-57 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Calm to variable less than 7 mph.
* Ridge Top............West 10-20 mph.
* Mixing Height.......2 kft agl until 1000, then 5 kft agl until
1200, then 6 kft agl until 1700, then 5 kft agl.
* Transport Winds.....West 10 mph until 1400, then northwest 15
mph.
* Chance Lightning....Near 0 percent in the Darby, Sula, and West
Fork Districts...and 20 percent in areas north of Hamilton.
* CWR (> 0.10 Inch)...20 percent.
.THURSDAY NIGHT...
* Sky/Weather.........Mostly cloudy. Chance of snow.
* Min Temperature.....15-25.
* Max Humidity........71-81 percent.
* 20-Foot Winds.......
* Lower Elevation......North 5-10 mph.
* Ridge Top............Northwest 15-25 mph becoming north 5-10 mph
after midnight.
* Mixing Height.......5 kft agl until 1900. 1-2 kft agl after 2000.
* Transport Winds.....North 15 mph until 0200, then northeast 10
mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...10 percent.
.FRIDAY...
* Sky/Weather.........Partly cloudy.
* Max Temperature.....50-55 valleys and 35-40 ridges.
* Min Humidity........23-33 percent valleys and 33-43 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Calm to variable less than 7 mph.
* Ridge Top............North 10-15 mph.
* Mixing Height.......3 kft agl until 1000. 6 kft agl after 1400.
* Transport Winds.....Northeast 10 mph.
* Chance Lightning....0 percent.
* CWR (> 0.10 Inch)...0 percent.
.SATURDAY...Mostly clear. Lows 20-30. Highs 50-60. Min humidities
20-30 percent. Southwest winds 10-15 mph.
.SUNDAY...Mostly clear. Lows 30-40. Highs 55-65. Min humidities
15-25 percent. Southwest winds 10-15 mph.
.MONDAY...Partly cloudy with chance of rain. Chance of rain 40 percent.
Lows 35-45. Highs 55-65. Southwest winds 10-15 mph.
.TUESDAY...Mostly cloudy with chance of rain and snow. Chance of
precipitation 30 percent. Lows 30-40. Highs 50-60.
.WEDNESDAY...Partly cloudy with slight chance of rain and snow. Chance
of precipitation 20 percent. Lows 35-45. Highs 55-65.
$$
MTZ110-111-031000-
Deerlodge/West Beaverhead-East Beaverhead-
231 PM MDT Wed Apr 2 2025
.TONIGHT...
* Sky/Weather.........Partly cloudy. Slight chance of snow.
* Min Temperature.....15-25.
* Max Humidity........72-82 percent.
* 20-Foot Winds.......
* Lower Elevation......Northwest 5-10 mph becoming variable less
than 5 mph after midnight.
* Ridge Top............Northwest 5-15 mph.
* Mixing Height.......4 kft agl until 1900. Below 500 ft to 1 kft
agl after 2000.
* Transport Winds.....Northwest 10 mph until 0400, then variable
less than 10 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...10 percent.
.THURSDAY...
* Sky/Weather.........Mostly cloudy. Chance of snow.
* Max Temperature.....40-45 valleys and 30-35 ridges.
* Min Humidity........35-45 percent valleys and 44-54 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Calm to becoming northwest 5-15 mph in the
afternoon.
* Ridge Top............West 5-15 mph.
* Mixing Height.......1-2 kft agl until 1000. 6 kft agl after 1300.
* Transport Winds.....West 10 mph.
* Chance Lightning....15 percent in the Deerlodge/West
Beaverhead...and near 0 percent in the East Beaverhead.
* CWR (> 0.10 Inch)...20 percent.
.THURSDAY NIGHT...
* Sky/Weather.........Mostly cloudy. Chance of snow.
* Min Temperature.....15-25.
* Max Humidity........68-78 percent.
* 20-Foot Winds.......
* Lower Elevation......North 10-20 mph.
* Ridge Top............North 10-20 mph.
* Mixing Height.......4 kft agl until 1900. 1-2 kft agl after 0500.
* Transport Winds.....North 10 mph until 0500, then northeast 10
mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...20 percent.
.FRIDAY...
* Sky/Weather.........Partly cloudy.
* Max Temperature.....40-45 valleys and 30-35 ridges.
* Min Humidity........25-35 percent valleys and 33-43 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......North 10-15 mph.
* Ridge Top............North 10-20 mph.
* Mixing Height.......2 kft agl until 0900. 6 kft agl after 1300.
* Transport Winds.....North 10 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...0 percent.
.SATURDAY...Mostly clear. Lows 15-25. Highs 45-55. Min humidities
20-30 percent. West winds 10-20 mph.
.SUNDAY...Mostly clear. Lows 25-35. Highs 50-60. Min humidities
15-25 percent. Southwest winds 10-15 mph.
.MONDAY...Partly cloudy. Lows 30-40. Highs 55-65. Southwest winds
10-20 mph.
.TUESDAY...Partly cloudy with slight chance of rain and snow. Chance of
precipitation 20 percent. Lows 30-40. Highs 50-60.
.WEDNESDAY...Partly cloudy with slight chance of snow. Chance of snow
20 percent. Lows 30-40. Highs 55-65.
$$