433
FNUS55 KMSO 120932
FWFMSO

Fire Weather Planning Forecast for Wrn Montana and N Cntrl Idaho
National Weather Service Missoula MT
331 AM MDT Wed Mar 12 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): Occasional pass level snow and slick
roads, mainly overnight/early day periods throughout the week.
Taking a quick look at the next 36 hours... Today`s weather, rain
likely and areas of snow in the day, then rain showers and snow
likely in the afternoon. Snow level 5500 feet. Tonight`s weather,
rain showers likely and a chance of snow until midnight, then rain
showers and snow likely after midnight. Snow level 5500 feet.
Thursday, snow showers and rain likely in the day, then snow likely
in the afternoon. It`ll be colder. Snow level 3500 feet.


Northwest MT (Zones 104 and 105): Occasional pass level snow and
slick roads, mainly overnight/early day periods throughout the week.
Taking a quick look at the next 36 hours... Today`s weather, rain
and snow likely. Snow level 4500 feet. Tonight`s weather, mostly
cloudy with a chance of rain. A chance of snow. Thursday, rain and
snow likely. Snow level 4000 feet.


West Central MT (Zones 106, 107 and 108): Occasional pass level
snow and slick roads, mainly overnight/early day periods throughout
the week. Taking a quick look at the next 36 hours... Today`s
weather, rain and snow likely in the day, then rain likely and areas
of snow in the afternoon. Tonight`s weather, mostly cloudy with a
50 percent chance of rain and snow. Thursday, rain and snow likely in
the day, then chance of valley rain with mountain snow likely in the
afternoon. It`ll be colder.


Southwest MT (Zones 109, 110 and 111): Occasional pass level snow
and slick roads, mainly overnight/early day periods throughout the
week. Taking a quick look at the next 36 hours... Today`s weather,
mostly cloudy. A 20 percent chance of snow in the afternoon.
Tonight`s weather, mostly cloudy. Slight chance of snow until
midnight, then a chance of snow and a slight chance of rain after
midnight. Thursday, chance of valley rain with mountain snow likely
in the day, then snow showers likely and a slight chance of
thunderstorms in the afternoon. It`ll be colder. Humidities will be
higher. Snow level 5500 feet.


IDZ102-103-122200-
Palouse/Hells Canyon-Clearwater/Nez Perce-
231 AM PDT Wed Mar 12 2025

.TODAY...
* Sky/Weather.........Mostly cloudy. Rain in the morning. Snow
  likely. Rain showers likely in the afternoon. Snow level 5500
  feet.
* Max Temperature.....48-58 valleys and 40-50 ridges.
* Min Humidity........57-67 percent.
* 20-Foot Winds.......
*     Lower Elevation......South 10-15 mph.
*     Ridge Top............South 10-20 mph.
* Mixing Height.......1-2 kft agl until 1100. 4 kft agl after 1300.
* Transport Winds.....South 15 mph until 1300, then 20 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...60 percent in the Palouse/Hells Canyon...and
  20 percent in the Clearwater/Nez Perce.

.TONIGHT...
* Sky/Weather.........Mostly cloudy. Rain showers and snow. Snow
  level 5500 feet.
* Min Temperature.....30-40.
* Max Humidity........75-85 percent.
* 20-Foot Winds.......
*     Lower Elevation......South 5-15 mph.
*     Ridge Top............South 10-20 mph.
* Mixing Height.......3 kft agl until 1900, then below 500 ft to 1
  kft agl.
* Transport Winds.....South 15 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...60 percent.

.THURSDAY...
* Sky/Weather.........Snow showers and rain in the morning, then
  snow in the afternoon. Snow level 3500 feet.
* Max Temperature.....43-53 valleys and 35-40 ridges.
* Min Humidity........52-62 percent.
* 20-Foot Winds.......
*     Lower Elevation......West 10-20 mph.
*     Ridge Top............West 10-20 mph.
* Mixing Height.......2 kft agl until 1000. 6 kft agl after 1400.
* Transport Winds.....Southwest 15 mph until 1000, then west 20
  mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...70 percent in the Palouse/Hells Canyon...and
  90 percent in the Clearwater/Nez Perce.

.FRIDAY...Mostly cloudy with chance of snow. Chance of snow 50 percent.
Lows 25-35. Highs 35-45. Min humidities 35-45 percent. Southwest winds
10-15 mph.
.SATURDAY...Mostly cloudy with snow and rain. Chance of precipitation
90 percent. Lows 30-40. Highs 40-50. Min humidities 50-60 percent.
Southwest winds 10-20 mph.
.SUNDAY...Cloudy with snow and rain. Chance of precipitation
90 percent. Lows 30-40. Highs 45-55. South winds 10-20 mph.
.MONDAY...Mostly cloudy with snow and rain. Chance of precipitation
80 percent. Lows 30-40. Highs 40-50.
.TUESDAY...Mostly cloudy with snow likely and chance of rain. Chance of
precipitation 70 percent. Lows 25-35. Highs 40-50.

$$

MTZ104-105-122200-
Kootenai-Flathead/Glacier Park-
331 AM MDT Wed Mar 12 2025

.TODAY...
* Sky/Weather.........Mostly cloudy. Snow and rain. Snow level 4500
  feet.
* Max Temperature.....45-50 valleys and 30-40 ridges.
* Min Humidity........63-73 percent valleys and 74-84 percent
  ridges.
* 20-Foot Winds.......
*     Lower Elevation......South 10-15 mph.
*     Ridge Top............South 10-15 mph.
* Mixing Height.......2 kft agl until 1200, then 3 kft agl.
* Transport Winds.....South 15 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...60 percent.

.TONIGHT...
* Sky/Weather.........Partly cloudy. Chance of rain and snow. Snow
  level 5500 feet.
* Min Temperature.....30-35.
* Max Humidity........90-100 percent valleys and 80-90 percent
  ridges.
* 20-Foot Winds.......
*     Lower Elevation......South 10-15 mph.
*     Ridge Top............South 10-20 mph.
* Mixing Height.......1-2 kft agl.
* Transport Winds.....South 15 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...40 percent in the Kootenai...and 20 percent
  in the Flathead/Glacier Park.

.THURSDAY...
* Sky/Weather.........Mostly cloudy. Snow and rain. Snow level 4000
  feet.
* Max Temperature.....45-50 valleys and 30-40 ridges.
* Min Humidity........49-59 percent valleys and 64-74 percent
  ridges.
* 20-Foot Winds.......
*     Lower Elevation......Southwest 20-30 mph.
*     Ridge Top............Southwest 20-30 mph.
* Mixing Height.......2 kft agl until 1000. 5 kft agl after 1200.
* Transport Winds.....Southwest 20 mph until 1100, then 30 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...60 percent.

.FRIDAY...Mostly cloudy with chance of snow. Chance of snow 40 percent.
Lows 25-35. Highs 35-45. Min humidities 35-45 percent. Southwest winds
20-30 mph.
.SATURDAY...Mostly cloudy with chance of snow. Chance of snow
30 percent. Lows 25-35. Highs 35-45. Min humidities 50-60 percent.
South winds 10-20 mph.
.SUNDAY...Mostly cloudy with snow. Chance of snow 90 percent. Lows
30-40. Highs 40-50. Southwest winds 20-30 mph.
.MONDAY...Mostly cloudy with snow and rain likely. Chance of
precipitation 60 percent. Lows 30-40. Highs 35-45.
.TUESDAY...Mostly cloudy with chance of snow. Chance of snow
40 percent. Lows 25-35. Highs 35-45.

$$

MTZ106-108-122200-
West Lolo-East Lolo-
331 AM MDT Wed Mar 12 2025

.TODAY...
* Sky/Weather.........Mostly cloudy. Snow and rain. Snow level 5000
  feet.
* Max Temperature.....38-48.
* Min Humidity........54-64 percent.
* 20-Foot Winds.......
*     Lower Elevation......South 10-15 mph.
*     Ridge Top............South 10-15 mph.
* Mixing Height.......2 kft agl until 1200, then 4 kft agl.
* Transport Winds.....South 10 mph until 1200, then southwest 20
  mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...50 percent in the West Lolo...and 10 percent
  in the East Lolo.

.TONIGHT...
* Sky/Weather.........Partly cloudy. Chance of rain and snow. Snow
  level 5500 feet.
* Min Temperature.....30-35.
* Max Humidity........89-99 percent valleys and 75-85 percent
  ridges.
* 20-Foot Winds.......
*     Lower Elevation......Variable less than 5 mph.
*     Ridge Top............South 10-20 mph.
* Mixing Height.......1-2 kft agl until 2000, then below 500 ft to
  1 kft agl.
* Transport Winds.....South 10 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...30 percent in the West Lolo...and 10 percent
  in the East Lolo.

.THURSDAY...
* Sky/Weather.........Mostly cloudy. Snow and rain. Snow level 4000
  feet.
* Max Temperature.....40-45 valleys and 33-43 ridges.
* Min Humidity........51-61 percent.
* 20-Foot Winds.......
*     Lower Elevation......Southwest 15-25 mph.
*     Ridge Top............Southwest 20-30 mph.
* Mixing Height.......2 kft agl until 1000. 6 kft agl after 1200.
* Transport Winds.....Southwest 15 mph until 1000. West 30 mph
  after 1300.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...50 percent.

.FRIDAY...Mostly cloudy with chance of snow. Chance of snow 30 percent.
Lows 25-35. Highs 35-45. Min humidities 30-40 percent. West winds
15-25 mph.
.SATURDAY...Mostly cloudy with chance of snow. Chance of snow
30 percent. Lows 25-35. Highs 35-45. Min humidities 45-55 percent.
Southwest winds 10-20 mph.
.SUNDAY...Mostly cloudy with snow. Chance of snow 80 percent. Lows
30-40. Highs 40-50. Southwest winds 10-20 mph.
.MONDAY...Mostly cloudy with snow and rain likely. Chance of
precipitation 60 percent. Lows 30-40. Highs 40-50.
.TUESDAY...Mostly cloudy with chance of snow. Chance of snow
40 percent. Lows 25-35. Highs 35-45.

$$

MTZ107-122200-
Flathead Reservation-
331 AM MDT Wed Mar 12 2025

.TODAY...
* Sky/Weather.........Mostly cloudy. Snow in the morning. Rain.
  Snow level 5000 feet.
* Max Temperature.....50-55 valleys and 35-40 ridges.
* Min Humidity........58-68 percent.
* 20-Foot Winds.......
*     Lower Elevation......Calm to variable less than 7 mph.
*     Ridge Top............South 10-15 mph.
* Mixing Height.......2 kft agl until 1200. 4 kft agl after 1400.
* Transport Winds.....South 10 mph until 1400, then 15 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...30 percent.

.TONIGHT...
* Sky/Weather.........Mostly cloudy. Chance of rain and chance of
  snow. Snow level 5500 feet.
* Min Temperature.....35-40 valleys and 25-30 ridges.
* Max Humidity........75-85 percent.
* 20-Foot Winds.......
*     Lower Elevation......South 10-15 mph.
*     Ridge Top............South 15-25 mph.
* Mixing Height.......2 kft agl until 1900, then below 500 ft to 1
  kft agl.
* Transport Winds.....South 10 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...10 percent.

.THURSDAY...
* Sky/Weather.........Mostly cloudy. Rain and snow. Snow level 4000
  feet.
* Max Temperature.....45-50 valleys and 30-35 ridges.
* Min Humidity........41-51 percent valleys and 57-67 percent
  ridges.
* 20-Foot Winds.......
*     Lower Elevation......Southwest 15-25 mph.
*     Ridge Top............Southwest 20-30 mph.
* Mixing Height.......1-2 kft agl until 1000. 6 kft agl after 1400.
* Transport Winds.....Southwest 15 mph until 1100, then west 25
  mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...30 percent in areas west of Highway 93...and
  70 percent in the Mission Mtns and areas east of Highway 93.

.FRIDAY...Mostly cloudy with chance of snow. Chance of snow 30 percent.
Lows 25-35. Highs 40-50. Min humidities 30-40 percent. Southwest winds
15-25 mph.
.SATURDAY...Mostly cloudy with snow. Chance of snow 80 percent. Lows
30-40. Highs 40-50. Min humidities 45-55 percent. South winds
10-20 mph.
.SUNDAY...Mostly cloudy with snow and rain. Chance of precipitation
80 percent. Lows 30-40. Highs 45-55. South winds 15-25 mph.
.MONDAY...Mostly cloudy with rain and snow likely. Chance of
precipitation 60 percent. Lows 35-45. Highs 45-55.
.TUESDAY...Mostly cloudy with chance of snow and rain. Chance of
precipitation 40 percent. Lows 25-35. Highs 40-50.

$$

MTZ109-122200-
Bitterroot-
331 AM MDT Wed Mar 12 2025

.TODAY...
* Sky/Weather.........Mostly cloudy. Chance of rain and snow. Snow
  level 5500 feet.
* Max Temperature.....50-55 valleys and 40-45 ridges.
* Min Humidity........39-49 percent valleys and 49-59 percent
  ridges.
* 20-Foot Winds.......
*     Lower Elevation......South 10-20 mph.
*     Ridge Top............South 10-20 mph.
* Mixing Height.......1-2 kft agl until 1100, then 4 kft agl until
  1300, then 5 kft agl until 1700, then 4 kft agl.
* Transport Winds.....South 15 mph until 1200, then southwest 25
  mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...10 percent.

.TONIGHT...
* Sky/Weather.........Mostly cloudy. Snow likely and chance of
  rain. Snow level 6000 feet.
* Min Temperature.....25-35.
* Max Humidity........71-81 percent.
* 20-Foot Winds.......
*     Lower Elevation......South 5-15 mph.
*     Ridge Top............South 10-20 mph.
* Mixing Height.......3 kft agl until 1900, then 1-2 kft agl.
* Transport Winds.....South 15 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...40 percent in the Darby, Sula, and West Fork
  Districts...and 20 percent in areas north of Hamilton.

.THURSDAY...
* Sky/Weather.........Rain in the morning. Snow. Snow level 4500
  feet.
* Max Temperature.....45-50 valleys and 30-35 ridges.
* Min Humidity........43-53 percent valleys and 52-62 percent
  ridges.
* 20-Foot Winds.......
*     Lower Elevation......Southwest 10-20 mph.
*     Ridge Top............West 15-25 mph.
* Mixing Height.......1-2 kft agl until 1000. 6 kft agl after 1200.
* Transport Winds.....Southwest 15 mph until 1100, then west 20
  mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...80 percent in the Darby, Sula, and West Fork
  Districts...and 50 percent in areas north of Hamilton.

.FRIDAY...Colder. Mostly cloudy with chance of snow. Chance of snow
40 percent. Lows 20-30. Highs 30-40. Min humidities 30-40 percent. West
winds 10-20 mph.
.SATURDAY...Snow. Chance of snow near 100 percent. Lows 20-30. Highs
35-45. Min humidities 40-50 percent. Southwest winds 15-25 mph.
.SUNDAY...Mostly cloudy with snow. Chance of snow 80 percent. Lows
25-35. Highs 40-50. Southwest winds 15-25 mph.
.MONDAY...Mostly cloudy with snow with rain likely. Chance of
precipitation 80 percent. Lows 30-40. Highs 35-45.
.TUESDAY...Mostly cloudy with snow likely. Chance of snow 60 percent.
Lows 20-30. Highs 35-45.

$$

MTZ110-111-122200-
Deerlodge/West Beaverhead-East Beaverhead-
331 AM MDT Wed Mar 12 2025

.TODAY...
* Sky/Weather.........Partly cloudy.
* Max Temperature.....50-60 valleys and 35-45 ridges.
* Min Humidity........28-38 percent valleys and 38-48 percent
  ridges.
* 20-Foot Winds.......
*     Lower Elevation......South 20-30 mph increasing to southwest
      30-40 mph in the afternoon.
*     Ridge Top............Southwest 20-30 mph.
* Mixing Height.......Below 500 ft to 1 kft agl until 1100, then 3
  kft agl until 1200, then 4 kft agl until 1300, then 6 kft agl
  until 1400, then 7 kft agl until 1700, then 5 kft agl.
* Transport Winds.....Southwest 20 mph until 1300, then 25 mph.
* Chance Lightning....Near 0 percent in the Deerlodge/West
  Beaverhead...and 0 percent in the East Beaverhead.
* CWR (> 0.10 Inch)...0 percent.

.TONIGHT...
* Sky/Weather.........Partly cloudy. Chance of snow. Slight chance
  of rain after midnight. Snow level 6500 feet.
* Min Temperature.....23-33 valleys and 30-35 ridges.
* Max Humidity........65-75 percent.
* 20-Foot Winds.......
*     Lower Elevation......South 25-35 mph.
*     Ridge Top............South 25-35 mph.
* Mixing Height.......4 kft agl until 1900, then below 500 ft to 1
  kft agl.
* Transport Winds.....South 20 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...10 percent.

.THURSDAY...
* Sky/Weather.........Mostly cloudy. Snow and chance of rain in the
  morning, then snow showers, rain showers and slight chance of
  thunderstorms in the afternoon. Snow level 5500 feet.
* Max Temperature.....43-53 valleys and 35-40 ridges.
* Min Humidity........43-53 percent valleys and 55-65 percent
  ridges.
* 20-Foot Winds.......
*     Lower Elevation......Southwest 20-30 mph.
*     Ridge Top............Southwest 20-30 mph.
* Mixing Height.......1-2 kft agl until 1000. 5 kft agl after 1200.
* Transport Winds.....Southwest 20 mph until 1400, then west 20
  mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...50 percent.

.FRIDAY...Colder. Mostly cloudy with snow showers likely and slight
chance of thunderstorms. Chance of precipitation 60 percent. Lows
20-30. Highs 30-40. Min humidities 25-35 percent. West winds 10-20 mph.
.SATURDAY...Mostly cloudy with chance of snow. Chance of snow
30 percent. Lows 20-30. Highs 30-40. Min humidities 30-40 percent.
Southwest winds 10-20 mph.
.SUNDAY...Mostly cloudy with chance of snow. Chance of snow 30 percent.
Lows 20-30. Highs 40-50. Southwest winds 25-35 mph.
.MONDAY...Mostly cloudy with snow likely. Chance of snow 60 percent.
Lows 25-35. Highs 35-45.
.TUESDAY...Mostly cloudy with chance of snow. Chance of snow
40 percent. Lows 20-30. Highs 30-40.

$$