Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Missoula, MT
Issued by NWS Missoula, MT
762
FNUS55 KMSO 030932
FWFMSO
Fire Weather Planning Forecast for Wrn Montana and N Cntrl Idaho
National Weather Service Missoula MT
331 AM MDT Thu Apr 3 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...
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 36 hours... Today`s
weather, chance of snow showers in the day, then snow with possible
rain and thunderstorms likely in the afternoon. Patchy dense fog in
the day. Snow level 3500 feet. Tonight`s weather, mostly cloudy
with a chance of snow showers, slight chance of showers and
thunderstorms until midnight, then mostly clear after midnight.
Friday, mostly sunny. It`ll be not as cold. 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 36 hours... Today`s
weather, snow likely. It`ll be colder. Tonight`s weather, mostly
clear. A 50 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 36 hours... Today`s
weather, areas of snow in the day, then snow showers, rain likely and
a slight chance of thunderstorms in the afternoon. It`ll be colder.
Snow level 3500 feet. Tonight`s weather, mostly cloudy with a
chance of snow showers and a slight chance of thunderstorms until
midnight, then mostly clear 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 36 hours... Today`s
weather, slight chance of snow in the day, then snow showers likely
and a slight chance of thunderstorms in the afternoon. Patchy fog in
the day. Tonight`s weather, mostly cloudy. Chance of snow showers
and a slight chance of thunderstorms until midnight, then slight
chance of snow after midnight. Friday, partly cloudy. Humidities
will be a little lower.
View Weather Briefing videos on our YouTube channel
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IDZ102-103-032200-
Palouse/Hells Canyon-Clearwater/Nez Perce-
231 AM PDT Thu Apr 3 2025
.TODAY...
* Sky/Weather.........Mostly cloudy. Patchy dense fog in the
morning. 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........49-59 percent.
* 20-Foot Winds.......
* Lower Elevation......West 5-15 mph.
* Ridge Top............West 5-15 mph.
* Mixing Height.......1-2 kft agl until 1000. 5 kft agl after 1200.
* Transport Winds.....West 10 mph until 1400, then northwest 15
mph.
* Chance Lightning....20 percent.
* CWR (> 0.10 Inch)...20 percent in the Palouse/Hells Canyon...and
40 percent in the Clearwater/Nez Perce.
.TONIGHT...
* Sky/Weather.........Partly cloudy. Chance of snow showers, slight
chance of rain showers and thunderstorms. Snow level 3500 feet.
* Min Temperature.....18-28.
* 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............North 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....15 percent in the Palouse/Hells Canyon...and
20 percent in the Clearwater/Nez Perce.
* 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 valleys and 36-46 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Calm to becoming upslope/upvalley 4-8 mph in
the afternoon.
* Ridge Top............Northeast 5-10 mph.
* 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...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...Mostly cloudy with rain showers likely. Chance of showers
70 percent. Lows 40-50. Highs 55-65. South winds 10-15 mph.
.TUESDAY...Mostly cloudy with rain likely and chance of snow. Chance of
precipitation 60 percent. Lows 35-45. Highs 50-60.
.WEDNESDAY...Mostly cloudy with chance of rain and snow. Chance of
precipitation 30 percent. Lows 35-45. Highs 55-65.
$$
MTZ104-105-032200-
Kootenai-Flathead/Glacier Park-
331 AM MDT Thu Apr 3 2025
.TODAY...
* Sky/Weather.........Mostly cloudy. Snow.
* Max Temperature.....40-50 valleys and 28-38 ridges.
* Min Humidity........37-47 percent valleys and 60-70 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Calm to variable less than 7 mph.
* Ridge Top............North 10-20 mph.
* Mixing Height.......2 kft agl until 1000. 5 kft agl after 1600.
* Transport Winds.....West 10 mph until 1000. Northeast 15 mph
after 1600.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...70 percent in the Kootenai...and 90 percent
in the Flathead/Glacier Park.
.TONIGHT...
* Sky/Weather.........Partly cloudy. Chance of snow.
* Min Temperature.....13-23.
* Max Humidity........62-72 percent.
* 20-Foot Winds.......
* Lower Elevation......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.....East 15 mph until 0400, then variable less
than 10 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...0 percent.
.FRIDAY...
* Sky/Weather.........Mostly sunny.
* Max Temperature.....45-55 valleys and 35-45 ridges.
* Min Humidity........28-38 percent valleys and 43-53 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. 6 kft agl after 1400.
* Transport Winds.....Variable less than 10 mph until 1100, 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 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 chance of rain. Chance of rain 30 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...Mostly cloudy with chance of rain and snow. Chance of
precipitation 40 percent. Lows 35-45. Highs 50-60.
$$
MTZ106-108-032200-
West Lolo-East Lolo-
331 AM MDT Thu Apr 3 2025
.TODAY...
* Sky/Weather.........Mostly cloudy. Chance of snow in the morning,
then snow showers and slight chance of thunderstorms in the
afternoon.
* Max Temperature.....40-50 valleys and 33-43 ridges.
* Min Humidity........49-59 percent valleys and 55-65 percent
ridges.
* 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 1600, then northwest 15
mph.
* Chance Lightning....20 percent.
* CWR (> 0.10 Inch)...60 percent.
.TONIGHT...
* Sky/Weather.........Partly cloudy. Chance of snow showers and
slight chance of thunderstorms.
* Min Temperature.....13-23.
* Max Humidity........77-87 percent valleys and 71-81 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Northeast 10-15 mph.
* Ridge Top............Northeast 10-15 mph.
* Mixing Height.......3 kft agl until 2000, then below 500 ft to 1
kft agl.
* Transport Winds.....Northeast 15 mph until 2300, then east 10
mph.
* Chance Lightning....20 percent.
* CWR (> 0.10 Inch)...10 percent in the West Lolo...and 30 percent
in the East Lolo.
.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............East 5-10 mph becoming north in the
afternoon.
* Mixing Height.......2 kft agl until 1000. 6 kft agl after 1400.
* Transport Winds.....East 10 mph until 1400, then variable less
than 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 chance of rain. Chance of rain 40 percent.
Lows 35-45. Highs 55-65. Southwest winds 10-15 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 55-65.
$$
MTZ107-032200-
Flathead Reservation-
331 AM MDT Thu Apr 3 2025
.TODAY...
* Sky/Weather.........Mostly cloudy. Snow likely and rain. Slight
chance of thunderstorms in the afternoon. Snow level 3500 feet.
* Max Temperature.....45-50 valleys and 25-30 ridges.
* Min Humidity........46-56 percent valleys and 65-75 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. 4 kft agl after 1100.
* Transport Winds.....West 10 mph until 1300. North 15 mph after
1700.
* Chance Lightning....15 percent in areas west of Highway 93...and
20 percent in the Mission Mtns and areas east of Highway 93.
* 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.
.TONIGHT...
* Sky/Weather.........Partly cloudy. Chance of snow showers and
slight chance of thunderstorms.
* Min Temperature.....25-30 valleys and 10-15 ridges.
* Max Humidity........67-77 percent.
* 20-Foot Winds.......
* Lower Elevation......North 10-15 mph.
* Ridge Top............Northeast 15-25 mph becoming southeast 10-20
mph after midnight.
* Mixing Height.......3 kft agl until 2000, then below 500 ft to 1
kft agl.
* Transport Winds.....Northeast 15 mph until 0300, then variable
less than 10 mph.
* Chance Lightning....20 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............South 5-15 mph becoming northwest in the
afternoon.
* Mixing Height.......1-2 kft agl until 1000. 5 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 chance of rain. Chance of rain 30 percent.
Lows 35-45. Highs 60-70. South winds 10-15 mph.
.TUESDAY...Cooler. Mostly cloudy with chance of rain and snow. Chance
of precipitation 30 percent. Lows 35-45. Highs 50-60.
.WEDNESDAY...Mostly cloudy with chance of rain and snow. Chance of
precipitation 30 percent. Lows 35-45. Highs 55-65.
$$
MTZ109-032200-
Bitterroot-
331 AM MDT Thu Apr 3 2025
.TODAY...
* Sky/Weather.........Mostly cloudy. Slight chance of snow in the
morning. Slight chance of thunderstorms in the afternoon.
* Max Temperature.....45-50 valleys and 30-35 ridges.
* Min Humidity........37-47 percent valleys and 48-58 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Calm to variable less than 7 mph.
* Ridge Top............West 10-20 mph.
* Mixing Height.......1-2 kft agl until 1000. 6 kft agl after 1300.
* Transport Winds.....West 10 mph until 1400, then northwest 15
mph.
* Chance Lightning....15 percent in the Darby, Sula, and West Fork
Districts...and 20 percent in areas north of Hamilton.
* CWR (> 0.10 Inch)...20 percent.
.TONIGHT...
* Sky/Weather.........Partly cloudy. Chance of snow showers and
slight chance of thunderstorms.
* 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 northeast 10-15
mph after midnight.
* Mixing Height.......5 kft agl until 1900. 1-2 kft agl after 2000.
* Transport Winds.....North 15 mph until 0100, then northeast 10
mph.
* Chance Lightning....15 percent in the Darby, Sula, and West Fork
Districts...and 20 percent in areas north of Hamilton.
* CWR (> 0.10 Inch)...10 percent in the Darby, Sula, and West Fork
Districts...and 30 percent in areas north of Hamilton.
.FRIDAY...
* Sky/Weather.........Partly cloudy.
* Max Temperature.....45-50 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. 5 kft agl after 1500.
* 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 and snow. Chance of
precipitation 30 percent. Lows 35-45. Highs 55-65. Southwest winds
10-15 mph.
.TUESDAY...Cooler. Mostly cloudy with chance of rain and snow. Chance
of precipitation 40 percent. Lows 30-40. Highs 45-55.
.WEDNESDAY...Partly cloudy with chance of rain and snow. Chance of
precipitation 30 percent. Lows 30-40. Highs 55-65.
$$
MTZ110-111-032200-
Deerlodge/West Beaverhead-East Beaverhead-
331 AM MDT Thu Apr 3 2025
.TODAY...
* Sky/Weather.........Partly cloudy. Patchy fog in the morning.
Slight chance of snow in the morning. Slight chance of
thunderstorms in the afternoon.
* Max Temperature.....40-45 valleys and 30-35 ridges.
* Min Humidity........39-49 percent valleys and 49-59 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Calm to becoming northwest 10-15 mph in the
afternoon.
* Ridge Top............West 5-15 mph.
* Mixing Height.......1-2 kft agl until 1000, then 3 kft agl until
1100, then 5 kft agl until 1300, then 6 kft agl until 1700, then
5 kft agl.
* Transport Winds.....West 10 mph until 1600, then northwest 10
mph.
* Chance Lightning....20 percent in the Deerlodge/West
Beaverhead...and 15 percent in the East Beaverhead.
* CWR (> 0.10 Inch)...20 percent.
.TONIGHT...
* Sky/Weather.........Partly cloudy. Snow showers likely and slight
chance of thunderstorms. Slight chance of snow after midnight.
* Min Temperature.....10-20.
* Max Humidity........71-81 percent.
* 20-Foot Winds.......
* Lower Elevation......North 5-15 mph.
* Ridge Top............North 5-15 mph.
* Mixing Height.......4 kft agl until 1900. Below 500 ft to 1 kft
agl after 2100.
* Transport Winds.....North 15 mph.
* Chance Lightning....20 percent in the Deerlodge/West
Beaverhead...and 15 percent in the East Beaverhead.
* CWR (> 0.10 Inch)...30 percent.
.FRIDAY...
* Sky/Weather.........Partly cloudy.
* Max Temperature.....40-45 valleys and 25-35 ridges.
* Min Humidity........24-34 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. 5 kft agl after 1300.
* Transport Winds.....Northeast 10 mph.
* Chance Lightning....Near 0 percent in the Deerlodge/West
Beaverhead...and 0 percent in the East Beaverhead.
* CWR (> 0.10 Inch)...0 percent.
.SATURDAY...Mostly clear. Lows 15-25. Highs 45-55. Min humidities
20-30 percent. West winds 10-15 mph.
.SUNDAY...Mostly clear. Lows 25-35. Highs 50-60. Min humidities
15-25 percent. Southwest winds 5-10 mph.
.MONDAY...Partly cloudy with slight chance of rain. Chance of rain
20 percent. Lows 30-40. Highs 50-60. South winds 10-20 mph.
.TUESDAY...Partly cloudy with chance of rain and snow. Chance of
precipitation 30 percent. Lows 30-40. Highs 45-55.
.WEDNESDAY...Partly cloudy with slight chance of rain and snow. Chance
of precipitation 20 percent. Lows 30-40. Highs 50-60.
$$