276
FNUS55 KMSO 160918
FWFMSO

Fire Weather Planning Forecast for Wrn Montana and N Cntrl Idaho
National Weather Service Missoula MT
318 AM MDT Mon Jun 16 2025


.DISCUSSION...

Idaho (Zones 102 and 103): Showers and isolated thunderstorms will
develop early this afternoon, mainly across south and eastern portions
of the Nez Perce-Clearwater NF. North-northwest winds will develop
today, with gusts of 10-15 mph. A dry westerly flow pattern will set up
Tuesday-Wednesday providing plenty of sunshine.

Northwest MT (Zones 104 and 105): Warm and dry conditons are expected
today, along with few passing high clouds. Dry weather will continue
into Tuesday and Wednesday, with increasing westerly winds, especially
by Wednesday.

West Central MT (Zones 106, 107 and 108): Showers and thunderstorms will
develop by early-mid afternoon and the Lolo NF, with activity pushing
along the divide by the evening. Any storms will be short lived with
little precipitation. An overall drying trend is expected Tuesday into
Wednesday, along with increasing westerly winds.

Southwest MT (Zones 109, 110 and 111): Showers and thunderstorms will
develop early this afternoon across the Bitterroot NF, with coverage
expanding eastward along and east of the divide through this evening.
Thunderstorms across the Beaverhead-Deerlodge NF will be capable of
producing brief heavy rain, gusty winds, and hail. An overall drying
trend is expected Tuesday into Wednesday, along with increasing westerly
winds.

IDZ102-103-170930-
Palouse/Hells Canyon-Clearwater/Nez Perce-
218 AM PDT Mon Jun 16 2025

.TODAY...
* Sky/Weather.........Partly cloudy. Slight chance of thunderstorms
  in the afternoon.
* Max Temperature.....80-90 valleys and 65-75 ridges.
* Min Humidity........17-27 percent valleys and 23-33 percent
  ridges.
* 20-Foot Winds.......
*     Lower Elevation......Calm to becoming upslope/upvalley 4-8 mph in
      the afternoon.
*     Ridge Top............Northwest 5-15 mph in the afternoon.
* Mixing Height.......2 kft agl until 1000. 10 kft agl after 1500.
* Transport Winds.....Variable less than 10 mph until 1000, then
  west 10 mph.
* Chance Lightning....10 percent in the Palouse/Hells Canyon...and 25
  percent in the Clearwater/Nez Perce.
* CWR (> 0.10 Inch)...0 percent.

.TONIGHT...
* Sky/Weather.........Partly cloudy. Slight chance of rain showers.
* Min Temperature.....45-55.
* Max Humidity........63-73 percent valleys and 56-66 percent
  ridges.
* 20-Foot Winds.......
*     Lower Elevation......West 5-10 mph.
*     Ridge Top............West 5-10 mph.
* Mixing Height.......9 kft agl until 1900. Below 500 ft to 1 kft
  agl after 2100.
* Transport Winds.....West 10 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...0 percent.

.TUESDAY...
* Sky/Weather.........Partly cloudy.
* Max Temperature.....80-90 valleys and 65-75 ridges.
* Min Humidity........18-28 percent.
* 20-Foot Winds.......
*     Lower Elevation......West 4-8 mph.
*     Ridge Top............West 10-15 mph.
* Mixing Height.......1-2 kft agl until 0900. 9 kft agl after 1500.
* Transport Winds.....West 10 mph until 1700, then 15 mph.
* Chance Lightning....0 percent in the Palouse/Hells Canyon...and
  near 0 percent in the Clearwater/Nez Perce.
* CWR (> 0.10 Inch)...0 percent.

.WEDNESDAY...Mostly clear. Lows 50-60. Highs 75-85. Min humidities
15-25 percent. West winds 10-15 mph.
.JUNETEENTH...Mostly clear. Lows 50-60. Highs 75-85. Min humidities
15-25 percent. West winds 10-15 mph.
.FRIDAY...Partly cloudy with slight chance of rain showers. Chance of
showers 20 percent. Lows 50-60. Highs 70-80. West winds 10-15 mph.
.SATURDAY...Cooler. Mostly cloudy with chance of rain showers. Chance
of showers 40 percent. Lows 40-50. Highs 55-65.
.SUNDAY...Mostly cloudy with rain showers likely. Chance of showers
60 percent. Lows 40-50. Highs 55-65.

$$

MTZ104-105-170930-
Kootenai-Flathead/Glacier Park-
318 AM MDT Mon Jun 16 2025

.TODAY...
* Sky/Weather.........Partly cloudy.
* Max Temperature.....80-90 valleys and 65-75 ridges.
* Min Humidity........13-18 percent valleys and 18-28 percent
  ridges.
* 20-Foot Winds.......
*     Lower Elevation......Calm to becoming upslope/upvalley 4-8 mph in
      the afternoon.
*     Ridge Top............Southeast 5-10 mph becoming west 5-15 mph in
      the afternoon.
* Mixing Height.......1-2 kft agl until 0900. 11 kft agl after
  1400.
* Transport Winds.....Variable less than 10 mph until 1000.
  Southwest 10 mph after 1200.
* Chance Lightning....Near 0 percent in the Kootenai...and 20
  percent in the Flathead/Glacier Park.
* CWR (> 0.10 Inch)...0 percent.

.TONIGHT...
* Sky/Weather.........Partly cloudy.
* Min Temperature.....45-55.
* Max Humidity........54-64 percent valleys and 40-50 percent
  ridges.
* 20-Foot Winds.......
*     Lower Elevation......Downslope/downvalley 1-3 mph.
*     Ridge Top............West 5-15 mph.
* Mixing Height.......10 kft agl until 1900. Below 500 ft to 1 kft
  agl after 2100.
* Transport Winds.....Southwest 10 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...0 percent.

.TUESDAY...
* Sky/Weather.........Partly cloudy.
* Max Temperature.....80-85 valleys and 60-70 ridges.
* Min Humidity........11-21 percent valleys and 21-31 percent
  ridges.
* 20-Foot Winds.......
*     Lower Elevation......Southwest 5-15 mph.
*     Ridge Top............Southwest 10-20 mph.
* Mixing Height.......2 kft agl until 0900. 11 kft agl after 1300.
* Transport Winds.....Southwest 10 mph until 1000, then west 20
  mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...0 percent.

.WEDNESDAY...Mostly clear. Lows 45-55. Highs 70-80. Min humidities
15-25 percent. Southwest winds 10-20 mph.
.JUNETEENTH...Mostly clear. Lows 45-55. Highs 70-80. Min humidities
10-20 percent. Southwest winds 15-25 mph.
.FRIDAY...Partly cloudy with chance of rain showers. Chance of showers
40 percent. Lows 50-60. Highs 65-75. West winds 10-15 mph.
.SATURDAY...Cooler. Mostly cloudy with rain showers likely. Chance of
showers 60 percent. Lows 40-50. Highs 55-65.
.SUNDAY...Mostly cloudy with rain showers likely. Chance of showers
70 percent. Lows 40-50. Highs 50-60.

$$

MTZ106-108-170930-
West Lolo-East Lolo-
318 AM MDT Mon Jun 16 2025

.TODAY...
* Sky/Weather.........Mostly cloudy. Slight chance of thunderstorms
  in the afternoon.
* Max Temperature.....75-85 valleys and 68-78 ridges.
* Min Humidity........16-26 percent valleys and 23-33 percent
  ridges.
* 20-Foot Winds.......
*     Lower Elevation......Calm to becoming upslope/upvalley 4-8 mph in
      the afternoon.
*     Ridge Top............Southeast 5-10 mph becoming west 5-15 mph in
      the afternoon.
* Mixing Height.......1-2 kft agl until 0900. 11 kft agl after
  1400.
* Transport Winds.....Variable less than 10 mph until 1200, then
  west 10 mph.
* Chance Lightning....Near 0 percent in the West Lolo...and 40
  percent in the East Lolo.
* CWR (> 0.10 Inch)...0 percent in the West Lolo...and 20 percent
  in the East Lolo.

.TONIGHT...
* Sky/Weather.........Partly cloudy. Slight chance of rain showers.
* Min Temperature.....45-55.
* Max Humidity........48-58 percent.
* 20-Foot Winds.......
*     Lower Elevation......Northwest 5-10 mph in the evening becoming
      downslope/downvalley 2-5 mph.
*     Ridge Top............West 5-15 mph.
* Mixing Height.......10 kft agl until 1900. Below 500 ft to 1 kft
  agl after 2100.
* Transport Winds.....West 10 mph.
* Chance Lightning....Near 0 percent in the West Lolo...and 20
  percent in the East Lolo.
* CWR (> 0.10 Inch)...0 percent.

.TUESDAY...
* Sky/Weather.........Partly cloudy.
* Max Temperature.....75-85 valleys and 68-78 ridges.
* Min Humidity........10-20 percent valleys and 19-29 percent
  ridges.
* 20-Foot Winds.......
*     Lower Elevation......West 5-15 mph.
*     Ridge Top............West 5-15 mph.
* Mixing Height.......2 kft agl until 0900. 11 kft agl after 1600.
* Transport Winds.....West 10 mph until 1400, then 15 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...0 percent.

.WEDNESDAY...Mostly clear. Lows 45-55. Highs 75-85. Min humidities
10-20 percent. West winds 10-15 mph.
.JUNETEENTH...Mostly clear. Lows 50-60. Highs 75-85. Min humidities
10-20 percent. West winds 10-20 mph.
.FRIDAY...Partly cloudy with slight chance of rain showers. Chance of
showers 20 percent. Lows 50-60. Highs 70-80. West winds 10-15 mph.
.SATURDAY...Cooler. Mostly cloudy with chance of rain showers and
slight chance of thunderstorms. Chance of precipitation 50 percent.
Lows 45-55. Highs 55-65.
.SUNDAY...Mostly cloudy with rain showers likely and slight chance of
thunderstorms. Chance of precipitation 70 percent. Lows 40-50. Highs
50-60.

$$

MTZ107-170930-
Flathead Reservation-
318 AM MDT Mon Jun 16 2025

.TODAY...
* Sky/Weather.........Partly cloudy.
* Max Temperature.....85-90 valleys and 60-65 ridges.
* Min Humidity........12-22 percent valleys and 21-31 percent
  ridges.
* 20-Foot Winds.......
*     Lower Elevation......Calm to becoming upslope/upvalley 4-8 mph in
      the afternoon.
*     Ridge Top............South 5-10 mph becoming west 5-15 mph in the
      afternoon.
* Mixing Height.......Below 500 ft to 1 kft agl until 0900. 12 kft
  agl after 1600.
* Transport Winds.....Variable less than 10 mph until 1200, then
  west 10 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...0 percent.

.TONIGHT...
* Sky/Weather.........Partly cloudy.
* Min Temperature.....50-55.
* Max Humidity........42-52 percent.
* 20-Foot Winds.......
*     Lower Elevation......Variable less than 5 mph in the evening
      becoming downslope/downvalley 2-5 mph.
*     Ridge Top............West 5-15 mph.
* Mixing Height.......11 kft agl until 1900. Below 500 ft to 1 kft
  agl after 2100.
* Transport Winds.....West 10 mph until 2400, then southwest 10
  mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...0 percent.

.TUESDAY...
* Sky/Weather.........Partly cloudy.
* Max Temperature.....85-90 valleys and 60-65 ridges.
* Min Humidity........11-21 percent valleys and 18-28 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. 11 kft agl after
  1300.
* Transport Winds.....West 10 mph until 1300, then 15 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...0 percent.

.WEDNESDAY...Mostly clear. Lows 50-60. Highs 75-85. Min humidities
10-20 percent. Southwest winds 10-20 mph.
.JUNETEENTH...Mostly clear. Lows 50-60. Highs 80-90. Min humidities
10-20 percent. West winds 10-20 mph.
.FRIDAY...Not as warm. Partly cloudy with chance of rain showers.
Chance of showers 30 percent. Lows 50-60. Highs 70-80. West winds
10-15 mph.
.SATURDAY...Cooler. Mostly cloudy with rain showers likely. Chance of
showers 60 percent. Lows 45-55. Highs 60-70.
.SUNDAY...Mostly cloudy with rain showers likely. Chance of showers
70 percent. Lows 40-50. Highs 55-65.

$$

MTZ109-170930-
Bitterroot-
318 AM MDT Mon Jun 16 2025

.TODAY...
* Sky/Weather.........Mostly cloudy. Slight chance of thunderstorms
  in the afternoon.
* Max Temperature.....80-85 valleys and 65-70 ridges.
* Min Humidity........24-34 percent.
* 20-Foot Winds.......
*     Lower Elevation......Calm to becoming upslope/upvalley 4-8 mph in
      the afternoon.
*     Ridge Top............South 5-10 mph becoming west 5-15 mph in the
      afternoon.
* Mixing Height.......1-2 kft agl until 0900. 10 kft agl after 1400.
* Transport Winds.....Variable less than 10 mph until 1100, then
  west 15 mph.
* Chance Lightning....30 percent in the Darby, Sula, and West Fork
  Districts...and 20 percent in areas north of Hamilton.
* CWR (> 0.10 Inch)...10 percent.

.TONIGHT...
* Sky/Weather.........Mostly cloudy. Chance of rain showers.
* Min Temperature.....45-55.
* Max Humidity........72-82 percent valleys and 57-67 percent
  ridges.
* 20-Foot Winds.......
*     Lower Elevation......West 5-10 mph becoming variable less than 5
      mph after midnight.
*     Ridge Top............Northwest 5-15 mph.
* Mixing Height.......8 kft agl until 1900. 1-2 kft agl after 2100.
* Transport Winds.....Northwest 15 mph until 2300, then variable
  less than 10 mph.
* Chance Lightning....15 percent in the Darby, Sula, and West Fork
  Districts...and near 0 percent in areas north of Hamilton.
* CWR (> 0.10 Inch)...10 percent.

.TUESDAY...
* Sky/Weather.........Partly cloudy.
* Max Temperature.....80-85 valleys and 65-70 ridges.
* Min Humidity........20-30 percent.
* 20-Foot Winds.......
*     Lower Elevation......West 5-15 mph.
*     Ridge Top............West 5-15 mph.
* Mixing Height.......2 kft agl until 0900. 11 kft agl after 1600.
* Transport Winds.....Northwest 10 mph until 1700, then west 15
  mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...0 percent.

.WEDNESDAY...Mostly clear. Lows 45-55. Highs 75-85. Min humidities
10-20 percent. West winds 10-15 mph.
.JUNETEENTH...Mostly clear. Lows 45-55. Highs 75-85. Min humidities
10-20 percent. West winds 10-20 mph.
.FRIDAY...Partly cloudy with chance of rain showers and slight chance
of thunderstorms. Chance of precipitation 30 percent. Lows 50-60. Highs
70-80. West winds 10-15 mph.
.SATURDAY...Cooler. Mostly cloudy with rain showers likely and slight
chance of thunderstorms. Chance of precipitation 60 percent. Lows
40-50. Highs 55-65.
.SUNDAY...Mostly cloudy with rain showers, snow showers likely and
slight chance of thunderstorms. Chance of precipitation 60 percent.
Lows 35-45. Highs 50-60.

$$

MTZ110-111-170930-
Deerlodge/West Beaverhead-East Beaverhead-
318 AM MDT Mon Jun 16 2025

.TODAY...
* Sky/Weather.........Partly cloudy. Chance of rain showers. Chance
  of thunderstorms in the afternoon.
* Max Temperature.....70-80 valleys and 65-70 ridges.
* Min Humidity........23-33 percent.
* 20-Foot Winds.......
*     Lower Elevation......Calm to becoming upslope/upvalley 4-8 mph in
      the afternoon.
*     Ridge Top............South 5-10 mph becoming west 5-15 mph in the
      afternoon.
* Mixing Height.......1-2 kft agl until 0900. 10 kft agl after 1400.
* Transport Winds.....Variable less than 10 mph until 0900, then
  south 10 mph until 1100, then west 15 mph.
* Chance Lightning....50 percent.
* CWR (> 0.10 Inch)...20 percent.

.TONIGHT...
* Sky/Weather.........Mostly cloudy. Chance of rain showers and
  slight chance of thunderstorms.
* Min Temperature.....40-50.
* Max Humidity........85-95 percent valleys and 71-81 percent
  ridges.
* 20-Foot Winds.......
*     Lower Elevation......Northwest 5-10 mph becoming variable less
      than 5 mph after midnight.
*     Ridge Top............Northwest 5-15 mph.
* Mixing Height.......6 kft agl until 1900. Below 500 ft to 1 kft
  agl after 2100.
* Transport Winds.....North 15 mph until 2200, then northeast 10
  mph until 0200, then variable less than 10 mph.
* Chance Lightning....25 percent.
* CWR (> 0.10 Inch)...20 percent.

.TUESDAY...
* Sky/Weather.........Partly cloudy. Chance of rain showers. Chance
  of thunderstorms in the afternoon.
* Max Temperature.....70-75 valleys and 60-65 ridges.
* Min Humidity........21-31 percent.
* 20-Foot Winds.......
*     Lower Elevation......Northwest 5-15 mph.
*     Ridge Top............Northwest 5-15 mph.
* Mixing Height.......1-2 kft agl until 0900. 10 kft agl after
  1400.
* Transport Winds.....Northwest 10 mph until 1600, then 15 mph.
* Chance Lightning....25 percent in the Deerlodge/West
  Beaverhead...and 40 percent in the East Beaverhead.
* CWR (> 0.10 Inch)...10 percent.

.WEDNESDAY...Mostly clear. Lows 45-55. Highs 75-85. Min humidities
10-20 percent. West winds 10-15 mph.
.JUNETEENTH...Mostly clear. Lows 45-55. Highs 75-85. Min humidities
10-20 percent. Southwest winds 10-20 mph.
.FRIDAY...Partly cloudy with slight chance of rain showers and
thunderstorms. Chance of precipitation 20 percent. Lows 45-55. Highs
70-80. Southwest winds 20-30 mph.
.SATURDAY...Cooler. Partly cloudy with chance of rain showers and
slight chance of thunderstorms. Chance of precipitation 30 percent.
Lows 45-55. Highs 60-70.
.SUNDAY...Cooler. Mostly cloudy with chance of rain showers, snow
showers and slight chance of thunderstorms. Chance of precipitation
50 percent. Lows 35-45. Highs 50-60.

$$