Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Missoula, MT
Issued by NWS Missoula, MT
095
FNUS55 KMSO 180921
FWFMSO
Fire Weather Planning Forecast for Wrn Montana and N Cntrl Idaho
National Weather Service Missoula MT
321 AM MDT Fri Apr 18 2025
.DISCUSSION...
Idaho (Zones 102 and 103): After a chilly start to the day, ample
sunshine will allow temperatures to warm into the upper 50s and low
60s. Wind directions will be primarily out of the west and at or below
10 mph in the lower elevations and up to 15 mph at the ridge tops. Today
will have the lowest minimum relative humidities for the next several
days, as our next weather system arrives late Saturday and will remain
active through much of next week.
Northwest MT (Zones 104 and 105): After a chilly start to the day, ample
sunshine will allow temperatures to warm into the mid to upper 50s.
Wind directions will be primarily out of the west and at or below 15
mph in the lower elevations and up to 25 mph at the ridge tops. Today
will have the lowest minimum relative humidities for the next several
days, as our next weather system arrives late Saturday and will remain
active through much of next week.
West Central MT (Zones 106, 107 and 108): After a chilly start to the day,
ample sunshine will allow temperatures to warm into the mid to upper
50s. Wind directions will be primarily out of the west and at or below
15 mph in the lower elevations and up to 25 mph at the ridge tops. Today
will have the lowest minimum relative humidities for the next several
days, as our next weather system arrives late Saturday and will remain
active through much of next week.
Southwest MT (Zones 109, 110 and 111): After a chilly start to the day, ample
sunshine will allow temperatures to warm into the mid to upper 50s.
Wind directions will be primarily out of the west and at or below 15
mph in the lower elevations and up to 25 mph at the ridge tops. Today
will have the lowest minimum relative humidities for the next several
days, as our next weather system arrives late Saturday and will remain
active through much of next week.
IDZ102-103-190930-
Palouse/Hells Canyon-Clearwater/Nez Perce-
221 AM PDT Fri Apr 18 2025
.TODAY...
* Sky/Weather.........Mostly sunny.
* Max Temperature.....55-65 valleys and 40-50 ridges.
* Min Humidity........21-31 percent valleys and 27-37 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Calm to becoming upslope/upvalley 4-8 mph in
the afternoon.
* Ridge Top............Northeast 5-10 mph becoming north 5-15 mph
in the afternoon.
* Mixing Height.......2 kft agl until 1000. 7 kft agl after 1300.
* Transport Winds.....Variable less than 10 mph until 1300, then
north 10 mph.
* Chance Lightning....0 percent.
* CWR (> 0.10 Inch)...0 percent.
.TONIGHT...
* Sky/Weather.........Partly cloudy.
* Min Temperature.....28-38.
* Max Humidity........48-58 percent.
* 20-Foot Winds.......
* Lower Elevation......Downslope/downvalley 2-5 mph.
* Ridge Top............West 5-10 mph.
* Mixing Height.......6 kft agl until 1900. Below 500 ft to 1 kft
agl after 2000.
* Transport Winds.....Variable less than 10 mph until 0200, then
south 10 mph.
* Chance Lightning....0 percent.
* CWR (> 0.10 Inch)...0 percent.
.SATURDAY...
* Sky/Weather.........Partly cloudy. Snow level 5500 feet.
* Max Temperature.....58-68 valleys and 45-55 ridges.
* Min Humidity........33-43 percent.
* 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 1300.
* Transport Winds.....South 10 mph until 1000, then west 15 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...10 percent.
.SUNDAY...Partly cloudy with chance of rain and snow. Chance of
precipitation 40 percent. Lows 35-45. Highs 50-60. Min humidities
40-50 percent. Southwest winds 10-15 mph.
.MONDAY...Mostly cloudy with snow likely and chance of rain showers.
Chance of precipitation 60 percent. Lows 35-45. Highs 45-55. Min
humidities 30-40 percent. West winds 10-20 mph.
.TUESDAY...Partly cloudy. Lows 30-40. Highs 50-60. Southwest winds
10-15 mph.
.WEDNESDAY...Mostly clear. Lows 30-40. Highs 55-65.
.THURSDAY...Mostly clear. Slight chance of rain. Chance of rain
20 percent. Lows 35-45. Highs 60-70.
$$
MTZ104-105-190930-
Kootenai-Flathead/Glacier Park-
321 AM MDT Fri Apr 18 2025
.TODAY...
* Sky/Weather.........Mostly sunny.
* Max Temperature.....55-65 valleys and 40-50 ridges.
* Min Humidity........21-31 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............West 5-15 mph.
* Mixing Height.......1-2 kft agl until 1000. 6 kft agl after 1300.
* Transport Winds.....Variable less than 10 mph until 1000, then
west 10 mph until 1600, then 15 mph.
* Chance Lightning....0 percent.
* CWR (> 0.10 Inch)...0 percent.
.TONIGHT...
* Sky/Weather.........Partly cloudy.
* Min Temperature.....25-35.
* Max Humidity........72-82 percent valleys and 61-71 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Downslope/downvalley 2-5 mph.
* Ridge Top............West 10-20 mph.
* Mixing Height.......6 kft agl until 1900. Below 500 ft to 1 kft
agl after 2000.
* Transport Winds.....Southwest 15 mph.
* Chance Lightning....0 percent.
* CWR (> 0.10 Inch)...0 percent.
.SATURDAY...
* Sky/Weather.........Partly cloudy. Slight chance of rain in the
afternoon. Snow level 5500 feet.
* Max Temperature.....55-60 valleys and 40-50 ridges.
* Min Humidity........36-46 percent valleys and 56-66 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Southwest 10-15 mph.
* Ridge Top............Southwest 10-20 mph.
* Mixing Height.......1-2 kft agl until 1000. 4 kft agl after 1200.
* Transport Winds.....Southwest 15 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...10 percent.
.SUNDAY...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 10-15 mph.
.MONDAY...Mostly cloudy with snow showers with possible rain and
thunderstorms. Chance of precipitation 80 percent. Lows 30-40. Highs
40-50. Min humidities 40-50 percent. Southwest winds 10-20 mph.
.TUESDAY...Partly cloudy with chance of rain and snow. Chance of
precipitation 30 percent. Lows 30-40. Highs 45-55. Southwest winds
10-20 mph.
.WEDNESDAY...Partly cloudy with slight chance of rain. Chance of rain
20 percent. Lows 30-40. Highs 50-60.
.THURSDAY...Mostly clear. Slight chance of rain. Chance of rain
20 percent. Lows 30-40. Highs 55-65.
$$
MTZ106-108-190930-
West Lolo-East Lolo-
321 AM MDT Fri Apr 18 2025
.TODAY...
* Sky/Weather.........Mostly sunny.
* Max Temperature.....50-60 valleys and 43-53 ridges.
* Min Humidity........19-29 percent valleys and 26-36 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Calm to variable less than 7 mph.
* Ridge Top............West 10-15 mph.
* Mixing Height.......1-2 kft agl until 0900. 7 kft agl after 1400.
* Transport Winds.....Variable less than 10 mph until 1000, then
northwest 10 mph until 1500, then 10 mph.
* Chance Lightning....0 percent.
* CWR (> 0.10 Inch)...0 percent.
.TONIGHT...
* Sky/Weather.........Partly cloudy.
* Min Temperature.....25-35.
* Max Humidity........66-76 percent valleys and 57-67 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......West 5-10 mph in the evening becoming
downslope/downvalley 2-5 mph.
* Ridge Top............West 5-15 mph.
* Mixing Height.......6 kft agl until 1900. Below 500 ft to 1 kft
agl after 2000.
* Transport Winds.....West 15 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...0 percent.
.SATURDAY...
* Sky/Weather.........Partly cloudy. Snow level 5500 feet.
* Max Temperature.....50-60 valleys and 43-53 ridges.
* Min Humidity........28-38 percent valleys and 37-47 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 3 kft agl until
1100, then 5 kft agl until 1700, then 4 kft agl.
* Transport Winds.....Southwest 15 mph until 1200, then west 20
mph.
* Chance Lightning....Near 0 percent in the West Lolo...and 0
percent in the East Lolo.
* CWR (> 0.10 Inch)...10 percent.
.SUNDAY...Mostly cloudy with chance of rain and snow. Chance of
precipitation 30 percent. Lows 35-45. Highs 45-55. Min humidities
40-50 percent. Southwest winds 10-15 mph.
.MONDAY...Mostly cloudy with chance of rain and snow. Chance of
precipitation 40 percent. Lows 30-40. Highs 45-55. Min humidities
35-45 percent. West winds 15-25 mph.
.TUESDAY...Partly cloudy with slight chance of snow. Chance of snow
20 percent. Lows 30-40. Highs 50-60. West winds 10-20 mph.
.WEDNESDAY...Partly cloudy. Lows 30-40. Highs 55-65.
.THURSDAY...Partly cloudy with slight chance of rain. Chance of rain
20 percent. Lows 30-40. Highs 55-65.
$$
MTZ107-190930-
Flathead Reservation-
321 AM MDT Fri Apr 18 2025
.TODAY...
* Sky/Weather.........Mostly sunny.
* Max Temperature.....55-60 valleys and 35-40 ridges.
* Min Humidity........18-28 percent valleys and 32-42 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.......Below 500 ft to 1 kft agl until 0900. 7 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.
.TONIGHT...
* Sky/Weather.........Partly cloudy.
* Min Temperature.....35-40 valleys and 25-30 ridges.
* Max Humidity........56-66 percent.
* 20-Foot Winds.......
* Lower Elevation......South 5-10 mph.
* Ridge Top............Southwest 10-15 mph.
* Mixing Height.......6 kft agl until 1900. Below 500 ft to 1 kft
agl after 2000.
* Transport Winds.....Southwest 10 mph.
* Chance Lightning....Near 0 percent in areas west of Highway
93...and 0 percent in the Mission Mtns and areas east of Highway
93.
* CWR (> 0.10 Inch)...0 percent.
.SATURDAY...
* Sky/Weather.........Partly cloudy. Snow level 5500 feet.
* Max Temperature.....60-65 valleys and 40-45 ridges.
* Min Humidity........26-36 percent valleys and 42-52 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Southwest 5-15 mph.
* Ridge Top............Southwest 10-20 mph.
* Mixing Height.......1-2 kft agl until 1000. 5 kft agl after 1200.
* Transport Winds.....Southwest 15 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...10 percent.
.SUNDAY...Mostly cloudy with chance of rain. Chance of rain 40 percent.
Lows 40-50. Highs 50-60. Min humidities 35-45 percent. Southwest winds
10-20 mph.
.MONDAY...Mostly cloudy with rain showers likely with possible snow and
thunderstorms. Chance of precipitation 70 percent. Lows 35-45. Highs
45-55. Min humidities 30-40 percent. Southwest winds 15-25 mph.
.TUESDAY...Partly cloudy with slight chance of rain. Chance of rain
20 percent. Lows 30-40. Highs 50-60. Southwest winds 15-25 mph.
.WEDNESDAY...Partly cloudy. Lows 30-40. Highs 55-65.
.THURSDAY...Mostly clear. Lows 35-45. Highs 60-70.
$$
MTZ109-190930-
Bitterroot-
321 AM MDT Fri Apr 18 2025
.TODAY...
* Sky/Weather.........Mostly sunny.
* Max Temperature.....50-55 valleys and 40-45 ridges.
* Min Humidity........16-26 percent valleys and 27-37 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Calm to becoming upslope/upvalley 4-8 mph in
the afternoon.
* Ridge Top............Northeast 5-10 mph becoming north 5-15 mph
in the afternoon.
* Mixing Height.......1-2 kft agl until 0900. 7 kft agl after 1400.
* Transport Winds.....Northeast 10 mph until 1400, then north 10
mph.
* Chance Lightning....0 percent.
* CWR (> 0.10 Inch)...0 percent.
.TONIGHT...
* Sky/Weather.........Mostly clear.
* Min Temperature.....25-35.
* Max Humidity........49-59 percent.
* 20-Foot Winds.......
* Lower Elevation......Downslope/downvalley 2-5 mph.
* Ridge Top............West 10-15 mph.
* Mixing Height.......6 kft agl until 1900. 1-2 kft agl after 2000.
* Transport Winds.....Northwest 10 mph until 2300, then southwest
10 mph.
* Chance Lightning....0 percent.
* CWR (> 0.10 Inch)...0 percent.
.SATURDAY...
* Sky/Weather.........Partly cloudy.
* Max Temperature.....60-65 valleys and 45-50 ridges.
* Min Humidity........21-31 percent valleys and 33-43 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 3 kft agl until
1100, then 5 kft agl until 1300, then 6 kft agl until 1600, then
5 kft agl.
* Transport Winds.....West 15 mph.
* Chance Lightning....0 percent.
* CWR (> 0.10 Inch)...0 percent.
.SUNDAY...Mostly cloudy with chance of rain and slight chance of snow.
Chance of precipitation 30 percent. Lows 30-40. Highs 45-55. Min
humidities 40-50 percent. West winds 10-15 mph.
.MONDAY...Mostly cloudy with snow showers likely with possible rain and
thunderstorms. Chance of precipitation 70 percent. Lows 30-40. Highs
40-50. Min humidities 25-35 percent. West winds 15-25 mph.
.TUESDAY...Partly cloudy. Lows 25-35. Highs 45-55. West winds
15-25 mph.
.WEDNESDAY...Partly cloudy. Lows 30-40. Highs 50-60.
.THURSDAY...Partly cloudy with slight chance of rain. Chance of rain
20 percent. Lows 30-40. Highs 55-65.
$$
MTZ110-111-190930-
Deerlodge/West Beaverhead-East Beaverhead-
321 AM MDT Fri Apr 18 2025
.TODAY...
* Sky/Weather.........Partly cloudy.
* Max Temperature.....45-50 valleys and 30-40 ridges.
* Min Humidity........17-27 percent valleys and 25-35 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......North 10-20 mph.
* Ridge Top............North 10-20 mph.
* Mixing Height.......1-2 kft agl until 0900. 7 kft agl after 1300.
* Transport Winds.....North 10 mph.
* Chance Lightning....0 percent.
* CWR (> 0.10 Inch)...0 percent.
.TONIGHT...
* Sky/Weather.........Mostly clear.
* Min Temperature.....20-25.
* Max Humidity........59-69 percent valleys and 49-59 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......West 5-10 mph becoming southwest after
midnight.
* Ridge Top............West 10-20 mph.
* Mixing Height.......7 kft agl until 1900. Below 500 ft to 1 kft
agl after 2000.
* Transport Winds.....Northwest 10 mph until 2300, then west 10
mph.
* Chance Lightning....0 percent.
* CWR (> 0.10 Inch)...0 percent.
.SATURDAY...
* Sky/Weather.........Partly cloudy.
* Max Temperature.....55-60 valleys and 45-50 ridges.
* Min Humidity........24-34 percent.
* 20-Foot Winds.......
* Lower Elevation......Southwest 5-15 mph.
* Ridge Top............Southwest 5-15 mph.
* Mixing Height.......Below 500 ft to 1 kft agl until 0900. 6 kft
agl after 1300.
* Transport Winds.....West 15 mph.
* Chance Lightning....0 percent.
* CWR (> 0.10 Inch)...0 percent.
.SUNDAY...Mostly cloudy with chance of rain showers and snow showers.
Chance of precipitation 30 percent. Lows 30-40. Highs 50-60. Min
humidities 25-35 percent. West winds 10-15 mph.
.MONDAY...Colder. Mostly cloudy with snow likely with possible rain
showers and thunderstorms. Chance of precipitation 60 percent. Lows
30-40. Highs 40-50. Min humidities 20-30 percent. West winds 15-25 mph.
.TUESDAY...Partly cloudy. Lows 20-30. Highs 45-55. West winds
15-25 mph.
.WEDNESDAY...Partly cloudy. Lows 25-35. Highs 50-60.
.THURSDAY...Partly cloudy with slight chance of rain showers and snow
showers. Chance of precipitation 20 percent. Lows 30-40. Highs 50-60.
$$