Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Missoula, MT
Issued by NWS Missoula, MT
052
FNUS55 KMSO 032032
FWFMSO
Fire Weather Planning Forecast for Wrn Montana and N Cntrl Idaho
National Weather Service Missoula MT
231 PM 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 is bringing snow
to northwest Montana, including the Flathead valley through
afternoon hours. Taking a quick look at the next 48 hours...
Tonight`s weather, mostly cloudy with a 20 percent chance of rain
showers and snow until midnight, then mostly clear after midnight.
Friday, mostly sunny. Humidities will be a little lower. Friday
Night, Clear. Saturday, mostly sunny. It`ll be not as cool.
Northwest MT (Zones 104 and 105): A Canadian cold front is bringing
snow to northwest Montana, including the Flathead valley through
afternoon hours. Taking a quick look at the next 48 hours...
Tonight`s weather, partly cloudy. A 20 percent chance of snow until
midnight. Friday, mostly sunny. Humidities will be a little lower.
Friday Night, Clear. Saturday, mostly sunny. It`ll be not as cool.
West Central MT (Zones 106, 107 and 108): A Canadian cold front is
bringing snow to northwest Montana, including the Flathead valley
through afternoon hours. Taking a quick look at the next 48 hours...
Tonight`s weather, mostly cloudy with a 50 percent chance of areas of
snow until midnight, then mostly clear after midnight. Friday,
mostly sunny. Humidities will be a little lower. Friday Night,
Clear. Saturday, mostly sunny. It`ll be not as cool.
Southwest MT (Zones 109, 110 and 111): A Canadian cold front is
bringing snow to northwest Montana, including the Flathead valley
through afternoon hours. Taking a quick look at the next 48 hours...
Tonight`s weather, snow showers likely and a slight chance of
thunderstorms until midnight, then slight chance of snow after
midnight. Snow may be heavy at times until midnight. Friday, mostly
sunny. Humidities will be lower. Friday Night, mostly clear.
Saturday, mostly sunny. It`ll be not as cool. Humidities will be a
little lower.
View Weather Briefing videos on our YouTube channel
at https://www.youtube.com/NWSMissoula
IDZ102-103-041000-
Palouse/Hells Canyon-Clearwater/Nez Perce-
131 PM PDT Thu Apr 3 2025
.TONIGHT...
* Sky/Weather.........Partly cloudy. Slight chance of rain showers
and snow. Snow level 3000 feet.
* 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............North 5-15 mph.
* Mixing Height.......5 kft agl until 1900. Below 500 ft to 1 kft
agl after 2000 until 0400.
* Transport Winds.....Northwest 15 mph until 2200, 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............Northeast 5-10 mph.
* Mixing Height.......1-2 kft agl until 1000. 6 kft agl after 1500
until 1600.
* Transport Winds.....Northeast 10 mph.
* Chance Lightning....0 percent.
* CWR (> 0.10 Inch)...0 percent.
.FRIDAY NIGHT...
* Sky/Weather.........Mostly clear.
* Min Temperature.....23-33.
* Max Humidity........57-67 percent.
* 20-Foot Winds.......
* Lower Elevation......Northeast 5-10 mph in the evening becoming
downslope/downvalley 2-5 mph.
* Ridge Top............North 5-15 mph becoming south 5-10 mph after
midnight.
* Mixing Height.......5 kft agl until 1900. Below 500 ft to 1 kft
agl after 2100 until 0400.
* Transport Winds.....Variable less than 10 mph until 0400.
* Chance Lightning....0 percent.
* CWR (> 0.10 Inch)...0 percent.
.SATURDAY...
* Sky/Weather.........Mostly sunny.
* Max Temperature.....58-68 valleys and 45-55 ridges.
* Min Humidity........26-36 percent.
* 20-Foot Winds.......
* Lower Elevation......Calm to becoming upslope/upvalley 4-8 mph in
the afternoon.
* Ridge Top............Southwest 5-10 mph.
* Mixing Height.......1-2 kft agl until 1000. 6 kft agl after 1500
until 1600.
* Transport Winds.....Variable less than 10 mph until 1000.
Southwest 10 mph after 1200 until 1600.
* Chance Lightning....0 percent.
* CWR (> 0.10 Inch)...0 percent.
.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. Min humidities 45-55 percent.
South winds 10-15 mph.
.TUESDAY...Mostly cloudy with rain and snow likely. Chance of
precipitation 60 percent. Lows 35-45. Highs 50-60. Southwest winds
10-15 mph.
.WEDNESDAY...Mostly cloudy with chance of rain and snow. Chance of
precipitation 30 percent. Lows 35-45. Highs 55-65.
.THURSDAY...Partly cloudy. Lows 35-45. Highs 60-70.
$$
MTZ104-105-041000-
Kootenai-Flathead/Glacier Park-
231 PM MDT Thu Apr 3 2025
.TONIGHT...
* Sky/Weather.........Partly cloudy. Slight chance of snow.
* Min Temperature.....13-23.
* Max Humidity........64-74 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 0200, 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........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.......2 kft agl until 1100. 6 kft agl after 1300.
* Transport Winds.....Variable less than 10 mph until 1200, then
northwest 10 mph.
* Chance Lightning....0 percent.
* CWR (> 0.10 Inch)...0 percent.
.FRIDAY NIGHT...
* Sky/Weather.........Mostly clear.
* Min Temperature.....18-28.
* Max Humidity........75-85 percent valleys and 68-78 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Downslope/downvalley 1-3 mph.
* Ridge Top............West 5-15 mph becoming southwest 5-10 mph
after midnight.
* Mixing Height.......5 kft agl until 1900. Below 500 ft to 1 kft
agl after 2000.
* Transport Winds.....Variable less than 10 mph.
* Chance Lightning....0 percent.
* CWR (> 0.10 Inch)...0 percent.
.SATURDAY...
* Sky/Weather.........Mostly sunny.
* Max Temperature.....55-65 valleys and 40-50 ridges.
* Min Humidity........28-38 percent valleys and 42-52 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Calm to becoming upslope/upvalley 4-8 mph in
the afternoon.
* Ridge Top............Southwest 5-15 mph.
* Mixing Height.......1-2 kft agl until 1000. 6 kft agl after 1400.
* Transport Winds.....Southwest 10 mph until 1300, then west 15
mph.
* Chance Lightning....0 percent.
* CWR (> 0.10 Inch)...0 percent.
.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 40 percent.
Lows 35-45. Highs 55-65. Min humidities 45-55 percent. South winds
10-20 mph.
.TUESDAY...Cooler. Mostly cloudy with chance of rain and snow. Chance
of precipitation 40 percent. Lows 35-45. Highs 45-55. Southwest winds
20-30 mph.
.WEDNESDAY...Mostly cloudy with chance of rain and snow. Chance of
precipitation 40 percent. Lows 35-45. Highs 50-60.
.THURSDAY...Partly cloudy. Lows 30-40. Highs 50-60.
$$
MTZ106-108-041000-
West Lolo-East Lolo-
231 PM MDT Thu Apr 3 2025
.TONIGHT...
* Sky/Weather.........Partly cloudy. Chance of snow.
* Min Temperature.....15-25.
* Max Humidity........71-81 percent.
* 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 0100, then east 10
mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...20 percent.
.FRIDAY...
* Sky/Weather.........Partly cloudy.
* Max Temperature.....45-55 valleys and 35-45 ridges.
* Min Humidity........32-42 percent.
* 20-Foot Winds.......
* Lower Elevation......Calm to becoming upslope/upvalley 4-8 mph in
the afternoon.
* Ridge Top............East 5-10 mph becoming north 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.
.FRIDAY NIGHT...
* Sky/Weather.........Partly cloudy then becoming clear.
* Min Temperature.....18-28.
* Max Humidity........57-67 percent.
* 20-Foot Winds.......
* Lower Elevation......Downslope/downvalley 2-5 mph.
* Ridge Top............North 10-15 mph becoming southwest 5-10 mph
after midnight.
* Mixing Height.......5 kft agl until 1900. Below 500 ft to 1 kft
agl after 2000.
* Transport Winds.....Variable less than 10 mph.
* Chance Lightning....0 percent.
* CWR (> 0.10 Inch)...0 percent.
.SATURDAY...
* Sky/Weather.........Mostly sunny.
* Max Temperature.....55-65 valleys and 45-55 ridges.
* Min Humidity........27-37 percent.
* 20-Foot Winds.......
* Lower Elevation......Calm to becoming upslope/upvalley 4-8 mph in
the afternoon.
* Ridge Top............Southwest 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
west 15 mph.
* Chance Lightning....0 percent.
* CWR (> 0.10 Inch)...0 percent.
.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. Min humidities 40-50 percent. 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. Southwest winds
10-20 mph.
.WEDNESDAY...Mostly cloudy with chance of rain and snow. Chance of
precipitation 40 percent. Lows 35-45. Highs 55-65.
.THURSDAY...Partly cloudy. Lows 30-40. Highs 55-65.
$$
MTZ107-041000-
Flathead Reservation-
231 PM MDT Thu Apr 3 2025
.TONIGHT...
* Sky/Weather.........Partly cloudy. Chance of snow.
* Min Temperature.....20-25 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.......4 kft agl until 2000, then below 500 ft to 1
kft agl.
* Transport Winds.....Northeast 15 mph until 0200, then variable
less than 10 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...0 percent in areas west of Highway 93...and
20 percent in the Mission Mtns and areas east of Highway 93.
.FRIDAY...
* Sky/Weather.........Mostly sunny.
* Max Temperature.....45-50 valleys and 30-35 ridges.
* Min Humidity........28-38 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............Northwest 5-15 mph.
* 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.
.FRIDAY NIGHT...
* Sky/Weather.........Mostly clear.
* Min Temperature.....20-30.
* Max Humidity........57-67 percent.
* 20-Foot Winds.......
* Lower Elevation......Downslope/downvalley 1-3 mph.
* Ridge Top............North 5-15 mph becoming south after
midnight.
* Mixing Height.......5 kft agl until 1900. Below 500 ft to 1 kft
agl after 2000.
* Transport Winds.....Variable less than 10 mph.
* Chance Lightning....0 percent.
* CWR (> 0.10 Inch)...0 percent.
.SATURDAY...
* Sky/Weather.........Mostly sunny.
* Max Temperature.....60-65 valleys and 40-45 ridges.
* Min Humidity........23-33 percent valleys and 35-45 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Calm to becoming upslope/upvalley 4-8 mph in
the afternoon.
* Ridge Top............Southwest 5-15 mph.
* Mixing Height.......1-2 kft agl until 1000. 6 kft agl after 1400.
* Transport Winds.....South 10 mph until 1300, then west 10 mph.
* Chance Lightning....0 percent.
* CWR (> 0.10 Inch)...0 percent.
.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 40-50. Highs 60-70. Min humidities 30-40 percent. 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. Southwest winds
15-25 mph.
.WEDNESDAY...Mostly cloudy with chance of rain and snow. Chance of
precipitation 40 percent. Lows 40-50. Highs 55-65.
.THURSDAY...Partly cloudy. Lows 35-45. Highs 60-70.
$$
MTZ109-041000-
Bitterroot-
231 PM MDT Thu Apr 3 2025
.TONIGHT...
* Sky/Weather.........Partly cloudy. Chance of snow.
* Min Temperature.....15-20.
* Max Humidity........70-80 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....Near 0 percent.
* CWR (> 0.10 Inch)...10 percent.
.FRIDAY...
* Sky/Weather.........Partly cloudy.
* Max Temperature.....45-50 valleys and 35-40 ridges.
* Min Humidity........24-34 percent valleys and 34-44 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Calm to becoming upslope/upvalley 4-8 mph in
the afternoon.
* Ridge Top............Northeast 5-15 mph.
* Mixing Height.......1-2 kft agl until 1000. 6 kft agl after 1400.
* Transport Winds.....Northeast 10 mph.
* Chance Lightning....0 percent.
* CWR (> 0.10 Inch)...0 percent.
.FRIDAY NIGHT...
* Sky/Weather.........Mostly clear.
* Min Temperature.....15-25.
* Max Humidity........62-72 percent valleys and 55-65 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Downslope/downvalley 2-5 mph.
* Ridge Top............North 10-15 mph becoming south 5-10 mph
after midnight.
* Mixing Height.......5 kft agl until 1900. 1-2 kft agl after 2000.
* Transport Winds.....Northeast 10 mph until 2300. Variable less
than 10 mph after 0500.
* Chance Lightning....0 percent.
* CWR (> 0.10 Inch)...0 percent.
.SATURDAY...
* Sky/Weather.........Mostly sunny.
* Max Temperature.....60-65 valleys and 45-50 ridges.
* Min Humidity........18-28 percent valleys and 28-38 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Calm to becoming upslope/upvalley 4-8 mph in
the afternoon.
* Ridge Top............Southwest 5-15 mph.
* Mixing Height.......2 kft agl until 1000. 6 kft agl after 1400.
* Transport Winds.....Variable less than 10 mph until 1100, then
west 10 mph.
* Chance Lightning....0 percent.
* CWR (> 0.10 Inch)...0 percent.
.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. Min humidities 35-45 percent. South winds
10-20 mph.
.TUESDAY...Cooler. Mostly cloudy with chance of rain and snow. Chance
of precipitation 50 percent. Lows 30-40. Highs 45-55. Southwest winds
10-20 mph.
.WEDNESDAY...Partly cloudy with chance of rain and snow. Chance of
precipitation 30 percent. Lows 30-40. Highs 55-65.
.THURSDAY...Partly cloudy. Lows 30-40. Highs 55-65.
$$
MTZ110-111-041000-
Deerlodge/West Beaverhead-East Beaverhead-
231 PM MDT Thu Apr 3 2025
.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........77-87 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 2300.
* Transport Winds.....North 15 mph.
* Chance Lightning....15 percent in the Deerlodge/West
Beaverhead...and 20 percent in the East Beaverhead.
* CWR (> 0.10 Inch)...20 percent in the Deerlodge/West
Beaverhead...and 60 percent in the East Beaverhead.
.FRIDAY...
* Sky/Weather.........Partly cloudy.
* Max Temperature.....40-45 valleys and 25-35 ridges.
* Min Humidity........24-34 percent valleys and 32-42 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......North 10-15 mph.
* Ridge Top............North 10-20 mph.
* Mixing Height.......1-2 kft agl until 1000. 5 kft agl after 1500.
* Transport Winds.....Northeast 10 mph.
* Chance Lightning....0 percent.
* CWR (> 0.10 Inch)...0 percent.
.FRIDAY NIGHT...
* Sky/Weather.........Mostly clear.
* Min Temperature.....10-20.
* Max Humidity........53-63 percent.
* 20-Foot Winds.......
* Lower Elevation......Northeast 10-15 mph in the evening becoming
downslope/downvalley 5-10 mph.
* Ridge Top............North 10-20 mph becoming west 5-10 mph after
midnight.
* Mixing Height.......5 kft agl until 1900. Below 500 ft to 1 kft
agl after 2000.
* Transport Winds.....North 10 mph until 0200, then variable less
than 10 mph.
* Chance Lightning....0 percent.
* CWR (> 0.10 Inch)...0 percent.
.SATURDAY...
* Sky/Weather.........Mostly sunny.
* Max Temperature.....50-55 valleys and 40-45 ridges.
* Min Humidity........16-26 percent valleys and 22-32 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Calm to variable less than 7 mph.
* Ridge Top............Southwest 5-15 mph.
* Mixing Height.......1-2 kft agl until 1000. 5 kft agl after 1400.
* Transport Winds.....West 10 mph.
* Chance Lightning....0 percent.
* CWR (> 0.10 Inch)...0 percent.
.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. Min humidities 30-40 percent.
South winds 15-25 mph.
.TUESDAY...Partly cloudy with chance of rain and snow. Chance of
precipitation 40 percent. Lows 30-40. Highs 50-60. Southwest winds
15-25 mph.
.WEDNESDAY...Partly cloudy with slight chance of rain and snow. Chance
of precipitation 20 percent. Lows 30-40. Highs 50-60.
.THURSDAY...Partly cloudy. Lows 30-40. Highs 55-65.
$$