Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Missoula, MT
Issued by NWS Missoula, MT
940
FNUS55 KMSO 190919
FWFMSO
Fire Weather Planning Forecast for Wrn Montana and N Cntrl Idaho
National Weather Service Missoula MT
319 AM MDT Sat Apr 19 2025
.DISCUSSION...
Idaho (Zones 102 and 103): Cloud-cover will gradually increase
throughout out the day today as a cold front moves in from the west. The
front will bring an increase in westerly winds and scattered valley rain
showers and mountain snow above 5000 feet. There is a 50 to 70 percent
probability wind gusts will exceed 20 mph between 1PM-7PM. A much cooler
system will arrive Sunday night into Monday, that will lower snowlevels
to around 4000 feet, with gusty westerly winds continuing. The active
pattern will continue through next week, with Thursday likely being the
warmest and driest day of the week.
Northwest MT (Zones 104 and 105): Cloud-cover will gradually increase
throughout out the day today as a cold front moves in from the west. The
front will bring an increase in westerly winds and scattered valley rain
showers and mountain snow above 5000 feet. There is a 50 to 70 percent
probability wind gusts will exceed 20 mph between 1PM-7PM. A much cooler
system will arrive Sunday night into Monday, that will lower snowlevels
to around 4000 feet, with gusty westerly winds continuing. The active
pattern will continue through next week, with Thursday likely being the
warmest and driest day of the week.
West Central MT (Zones 106, 107 and 108): Cloud-cover will gradually increase
throughout out the day today as a cold front moves in from the west. The
front will bring an increase in westerly winds and scattered valley rain
showers and mountain snow above 5000 feet. There is a 50 to 70 percent
probability wind gusts will exceed 20 mph between 1PM-7PM. A much cooler
system will arrive Sunday night into Monday, that will lower snowlevels
to around 4000 feet, with gusty westerly winds continuing. The active
pattern will continue through next week, with Thursday likely being the
warmest and driest day of the week.
Southwest MT (Zones 109, 110 and 111): Mostly clear conditions are
expect for most of the day, before increasing cloud coverage arrives
as a cold front moves in from the west this evening. The front will
bring an increase in westerly winds and scattered valley rain showers
and mountain snow above 5000 feet. There is a 50 to 70 percent
probability wind gusts will exceed 20 mph between 1PM-7PM. A much cooler
system will arrive Sunday night into Monday, that will lower snowlevels
to around 4000 feet, with gusty westerly winds continuing. The active
pattern will continue through next week, with Thursday likely being the
warmest and driest day of the week.
IDZ102-103-200930-
Palouse/Hells Canyon-Clearwater/Nez Perce-
219 AM PDT Sat Apr 19 2025
.TODAY...
* Sky/Weather.........Partly cloudy. Snow level 5500 feet.
* Max Temperature.....58-68 valleys and 45-55 ridges.
* Min Humidity........34-44 percent valleys and 41-51 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Calm to variable less than 7 mph.
* Ridge Top............West 5-15 mph in the morning.
* Mixing Height.......Below 500 ft to 1 kft agl until 1000, then 2
kft agl until 1100, then 4 kft agl until 1200, then 6 kft agl
until 1600, then 5 kft agl until 1700, then 4 kft agl.
* Transport Winds.....South 10 mph until 1100, then west 15 mph.
* Chance Lightning....Near 0 percent in the Palouse/Hells
Canyon...and 0 percent in the Clearwater/Nez Perce.
* CWR (> 0.10 Inch)...20 percent.
.TONIGHT...
* Sky/Weather.........Partly cloudy. Chance of rain and snow. Snow
level 6000 feet.
* Min Temperature.....30-40.
* Max Humidity........68-78 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.......3 kft agl until 2000, then below 500 ft to 1
kft agl.
* Transport Winds.....Southwest 10 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...0 percent in the Palouse/Hells Canyon...and
20 percent in the Clearwater/Nez Perce.
.SUNDAY...
* Sky/Weather.........Partly cloudy. Rain likely and snow likely.
Snow level 5000 feet.
* Max Temperature.....53-63 valleys and 40-50 ridges.
* Min Humidity........45-55 percent valleys and 55-65 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 1200.
* Transport Winds.....West 10 mph until 1400, then 15 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...0 percent in the Palouse/Hells Canyon...and
20 percent in the Clearwater/Nez Perce.
.MONDAY...Mostly cloudy with snow and chance of rain showers. Chance of
precipitation 80 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. Min humidities
25-35 percent. Southwest winds 10-15 mph.
.WEDNESDAY...Mostly clear. Lows 30-40. Highs 55-65. Northwest winds
5-10 mph.
.THURSDAY...Mostly clear. Lows 35-45. Highs 60-70.
.FRIDAY...Partly cloudy with chance of rain showers. Chance of showers
30 percent. Lows 40-50. Highs 60-70.
$$
MTZ104-105-200930-
Kootenai-Flathead/Glacier Park-
319 AM MDT Sat Apr 19 2025
.TODAY...
* Sky/Weather.........Partly cloudy. Chance of rain and snow
likely. Snow level 5500 feet.
* Max Temperature.....55-60 valleys and 38-48 ridges.
* Min Humidity........36-46 percent valleys and 62-72 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Southwest 10-20 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 until 1200, then west 20
mph.
* Chance Lightning....0 percent in the Kootenai...and near 0
percent in the Flathead/Glacier Park.
* CWR (> 0.10 Inch)...10 percent.
.TONIGHT...
* Sky/Weather.........Mostly cloudy. Chance of rain and snow. Snow
level 6000 feet.
* Min Temperature.....30-40.
* Max Humidity........76-86 percent.
* 20-Foot Winds.......
* Lower Elevation......Variable less than 5 mph.
* Ridge Top............Southwest 10-20 mph.
* Mixing Height.......4 kft agl until 1900. 1-2 kft agl after 2000.
* Transport Winds.....Southwest 15 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...30 percent.
.SUNDAY...
* Sky/Weather.........Mostly cloudy. Rain likely and snow. Snow
level 5000 feet.
* Max Temperature.....50-60 valleys and 35-45 ridges.
* Min Humidity........41-51 percent valleys and 64-74 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Southwest 10-15 mph.
* Ridge Top............Southwest 10-20 mph.
* Mixing Height.......2 kft agl until 0900. 6 kft agl after 1300.
* Transport Winds.....Southwest 15 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...20 percent in the Kootenai...and 40 percent
in the Flathead/Glacier Park.
.MONDAY...Mostly cloudy with snow likely and chance of rain. Chance of
precipitation 70 percent. Lows 30-40. Highs 40-50. Min humidities
40-50 percent. Southwest winds 10-20 mph.
.TUESDAY...Partly cloudy with chance of snow and rain. Chance of
precipitation 40 percent. Lows 30-40. Highs 45-55. Min humidities
25-35 percent. Southwest winds 10-20 mph.
.WEDNESDAY...Partly cloudy. Lows 30-40. Highs 50-60. Southwest winds
5-10 mph.
.THURSDAY...Mostly clear. Slight chance of snow. Chance of snow
20 percent. Lows 30-40. Highs 55-65.
.FRIDAY...Partly cloudy with slight chance of rain and snow. Chance of
precipitation 20 percent. Lows 35-45. Highs 55-65.
$$
MTZ106-108-200930-
West Lolo-East Lolo-
319 AM MDT Sat Apr 19 2025
.TODAY...
* Sky/Weather.........Partly cloudy. Snow level 5500 feet.
* Max Temperature.....48-58.
* Min Humidity........28-38 percent valleys and 40-50 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......West 5-15 mph.
* Ridge Top............West 10-20 mph.
* Mixing Height.......1-2 kft agl until 1000, then 3 kft agl until
1100, then 4 kft agl until 1200, then 6 kft agl until 1700, then
4 kft agl.
* Transport Winds.....Southwest 15 mph until 1200, then west 20
mph.
* Chance Lightning....0 percent.
* CWR (> 0.10 Inch)...10 percent.
.TONIGHT...
* Sky/Weather.........Partly cloudy. Chance of snow and slight
chance of rain. Snow level 6000 feet.
* Min Temperature.....30-35.
* Max Humidity........85-95 percent valleys and 78-88 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Southwest 5-10 mph in the evening becoming
downslope/downvalley 2-5 mph.
* Ridge Top............West 10-20 mph.
* Mixing Height.......3 kft agl until 2000, then below 500 ft to 1
kft agl.
* Transport Winds.....West 15 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...10 percent.
.SUNDAY...
* Sky/Weather.........Partly cloudy. Chance of rain and chance of
snow. Snow level 5500 feet.
* Max Temperature.....43-53.
* Min Humidity........41-51 percent valleys and 52-62 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......West 5-15 mph.
* Ridge Top............West 10-20 mph.
* Mixing Height.......1-2 kft agl until 0900. 6 kft agl after 1300.
* Transport Winds.....West 15 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...0 percent.
.MONDAY...Colder. Mostly cloudy with snow and chance of rain. Chance of
precipitation 90 percent. Lows 30-40. Highs 40-50. Min humidities
30-40 percent. West winds 10-20 mph.
.TUESDAY...Partly cloudy with slight chance of snow. Chance of snow
20 percent. Lows 25-35. Highs 50-60. Min humidities 25-35 percent. West
winds 10-20 mph.
.WEDNESDAY...Partly cloudy. Lows 30-40. Highs 50-60. West winds
5-10 mph.
.THURSDAY...Mostly clear. Lows 30-40. Highs 55-65.
.FRIDAY...Partly cloudy with slight chance of rain. Chance of rain
20 percent. Lows 35-45. Highs 55-65.
$$
MTZ107-200930-
Flathead Reservation-
319 AM MDT Sat Apr 19 2025
.TODAY...
* Sky/Weather.........Partly cloudy then becoming mostly cloudy.
Snow level 5500 feet.
* Max Temperature.....60-65 valleys and 40-45 ridges.
* Min Humidity........26-36 percent valleys and 46-56 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Southwest 5-15 mph.
* Ridge Top............Southwest 10-20 mph.
* Mixing Height.......Below 500 ft to 1 kft agl until 1000, then 2
kft agl until 1100, then 4 kft agl until 1200, then 6 kft agl
until 1600, then 5 kft agl.
* Transport Winds.....Southwest 15 mph until 1400, then west 20
mph.
* Chance Lightning....0 percent.
* CWR (> 0.10 Inch)...10 percent in areas west of Highway 93...and
40 percent in the Mission Mtns and areas east of Highway 93.
.TONIGHT...
* Sky/Weather.........Partly cloudy. Slight chance of rain. Slight
chance of snow after midnight. Snow level 6000 feet.
* Min Temperature.....35-40.
* Max Humidity........77-87 percent valleys and 85-95 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......South 10-15 mph.
* Ridge Top............Southwest 10-15 mph.
* Mixing Height.......4 kft agl until 2000, then below 500 ft to 1
kft agl.
* Transport Winds.....Southwest 15 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...10 percent.
.SUNDAY...
* Sky/Weather.........Partly cloudy. Chance of snow in the morning.
Chance of rain. Snow level 5000 feet.
* Max Temperature.....55-60 valleys and 35-40 ridges.
* Min Humidity........36-46 percent valleys and 61-71 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Southwest 10-20 mph.
* Ridge Top............Southwest 10-20 mph.
* Mixing Height.......1-2 kft agl until 0900. 6 kft agl after 1400.
* Transport Winds.....Southwest 15 mph until 1700, then west 15
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.
.MONDAY...Mostly cloudy with chance of rain and snow. Chance of
precipitation 30 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 and snow. Chance of
precipitation 20 percent. Lows 30-40. Highs 50-60. Min humidities
25-35 percent. Southwest winds 10-20 mph.
.WEDNESDAY...Partly cloudy. Lows 30-40. Highs 55-65. West winds
5-10 mph.
.THURSDAY...Mostly clear. Lows 35-45. Highs 60-70.
.FRIDAY...Partly cloudy with slight chance of rain. Chance of rain
20 percent. Lows 40-50. Highs 60-70.
$$
MTZ109-200930-
Bitterroot-
319 AM MDT Sat Apr 19 2025
.TODAY...
* Sky/Weather.........Partly cloudy then becoming cloudy. Chance of
snow in the afternoon. Snow level 5500 feet.
* Max Temperature.....60-65 valleys and 45-50 ridges.
* Min Humidity........20-30 percent valleys and 37-47 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......West 5-15 mph.
* Ridge Top............West 10-20 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 15 mph.
* Chance Lightning....0 percent.
* CWR (> 0.10 Inch)...10 percent.
.TONIGHT...
* Sky/Weather.........Partly cloudy. Chance of rain and snow. Snow
level 6500 feet.
* Min Temperature.....25-35.
* Max Humidity........74-84 percent.
* 20-Foot Winds.......
* Lower Elevation......West 5-10 mph in the evening becoming
downslope/downvalley 2-5 mph.
* Ridge Top............West 10-20 mph decreasing to 5-10 mph after
midnight.
* Mixing Height.......3 kft agl until 2000, then 1-2 kft agl.
* Transport Winds.....West 15 mph until 0500, then variable less
than 10 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...10 percent.
.SUNDAY...
* Sky/Weather.........Mostly cloudy. Snow likely. Chance of rain in
the afternoon. Snow level 6000 feet.
* Max Temperature.....55-60 valleys and 40-45 ridges.
* Min Humidity........34-44 percent valleys and 48-58 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Southwest 5-15 mph.
* Ridge Top............Southwest 10-20 mph.
* Mixing Height.......1-2 kft agl until 0900, then 3 kft agl until
1000, then 4 kft agl until 1100, then 5 kft agl until 1200, then
7 kft agl until 1700, then 5 kft agl.
* Transport Winds.....Southwest 10 mph until 1300, then west 15
mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...30 percent in the Darby, Sula, and West Fork
Districts...and 0 percent in areas north of Hamilton.
.MONDAY...Colder. Mostly cloudy with snow and chance of rain. Chance of
precipitation 80 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. Min humidities
20-30 percent. West winds 15-25 mph.
.WEDNESDAY...Partly cloudy. Lows 30-40. Highs 50-60. Northwest winds
10-15 mph.
.THURSDAY...Partly cloudy with slight chance of rain. Chance of rain
20 percent. Lows 30-40. Highs 55-65.
.FRIDAY...Mostly cloudy with chance of rain and slight chance of snow.
Chance of precipitation 50 percent. Lows 35-45. Highs 55-65.
$$
MTZ110-111-200930-
Deerlodge/West Beaverhead-East Beaverhead-
319 AM MDT Sat Apr 19 2025
.TODAY...
* Sky/Weather.........Partly cloudy. Snow level 6000 feet.
* Max Temperature.....55-60 valleys and 45-50 ridges.
* Min Humidity........26-36 percent.
* 20-Foot Winds.......
* Lower Elevation......West 5-15 mph.
* Ridge Top............West 5-15 mph.
* Mixing Height.......1-2 kft agl until 1000. 8 kft agl after 1400.
* Transport Winds.....West 15 mph.
* Chance Lightning....0 percent.
* CWR (> 0.10 Inch)...0 percent.
.TONIGHT...
* Sky/Weather.........Partly cloudy. Chance of rain showers and
snow showers. Snow level 7000 feet.
* Min Temperature.....25-35.
* Max Humidity........84-94 percent valleys and 75-85 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......West 5-15 mph becoming variable less than 5
mph after midnight.
* Ridge Top............West 10-20 mph.
* Mixing Height.......6 kft agl until 1900. Below 500 ft to 1 kft
agl after 0300.
* Transport Winds.....West 15 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...10 percent.
.SUNDAY...
* Sky/Weather.........Partly cloudy. Chance of snow showers in the
afternoon. Snow level 6500 feet.
* Max Temperature.....50-60 valleys and 40-45 ridges.
* Min Humidity........28-38 percent valleys and 35-45 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Calm to becoming 5-15 mph in the afternoon.
* Ridge Top............West 5-15 mph.
* Mixing Height.......2 kft agl until 0900. 8 kft agl after 1500.
* Transport Winds.....West 10 mph until 1400, then 15 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...20 percent.
.MONDAY...Colder. Mostly cloudy with snow with rain showers likely.
Chance of precipitation 80 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. Min humidities
15-25 percent. West winds 15-25 mph.
.WEDNESDAY...Partly cloudy. Lows 25-35. Highs 50-60. Northwest winds
10-15 mph.
.THURSDAY...Partly cloudy. Lows 30-40. Highs 55-65.
.FRIDAY...Mostly cloudy with slight chance of rain showers and snow
showers. Chance of precipitation 20 percent. Lows 35-45. Highs 55-65.
$$