316
FNUS55 KMSO 240929
FWFMSO

Fire Weather Planning Forecast for Wrn Montana and N Cntrl Idaho
National Weather Service Missoula MT
329 AM MDT Sat May 24 2025


.DISCUSSION...

Idaho (Zones 102 and 103): Warming and drying expected through Monday
morning with Sunday being the warmest and driest. Monday an increase in
instability and weak cold front will allow for showers and
thunderstorms.

Northwest MT (Zones 104 and 105): Warming and drying expected through Monday
morning with Sunday being the warmest and driest. Monday an increase in
instability and weak cold front will allow for showers and
thunderstorms.

West Central MT (Zones 106, 107 and 108): Warming and drying expected through Monday
morning with Sunday being the warmest and driest. Monday an increase in
instability and weak cold front will allow for showers and
thunderstorms.

Southwest MT (Zones 109, 110 and 111): Warming and drying expected through Monday
morning with Sunday being the warmest and driest. Monday an increase in
instability and weak cold front will allow for showers and
thunderstorms.

IDZ102-103-250930-
Palouse/Hells Canyon-Clearwater/Nez Perce-
229 AM PDT Sat May 24 2025

.TODAY...
* Sky/Weather.........Mostly sunny.
* Max Temperature.....75-85 valleys and 60-70 ridges.
* Min Humidity........16-26 percent valleys and 25-35 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 northwest in the
      afternoon.
* Mixing Height.......1-2 kft agl until 0900. 7 kft agl after 1300.
* Transport Winds.....Variable less than 10 mph.
* Chance Lightning....0 percent.
* CWR (> 0.10 Inch)...0 percent.

.TONIGHT...
* Sky/Weather.........Mostly clear.
* Min Temperature.....40-50.
* Max Humidity........54-64 percent.
* 20-Foot Winds.......
*     Lower Elevation......North 5-10 mph in the evening becoming
      downslope/downvalley 2-5 mph.
*     Ridge Top............North 5-10 mph becoming east after midnight.
* Mixing Height.......6 kft agl until 1900. Below 500 ft to 1 kft
  agl after 2000.
* Transport Winds.....Variable less than 10 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.

.SUNDAY...
* Sky/Weather.........Mostly sunny.
* Max Temperature.....85-95 valleys and 70-80 ridges.
* Min Humidity........15-25 percent valleys and 21-31 percent
  ridges.
* 20-Foot Winds.......
*     Lower Elevation......Calm to variable less than 7 mph.
*     Ridge Top............Southeast 5-10 mph becoming southwest in the
      afternoon.
* Mixing Height.......1-2 kft agl until 1000. 9 kft agl after 1500.
* Transport Winds.....Variable less than 10 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...0 percent.

.MEMORIAL DAY...Cooler. Partly cloudy with chance of rain. Chance of
rain 30 percent. Lows 50-60. Highs 65-75. Min humidities 30-40 percent.
Northwest winds 10-15 mph.
.TUESDAY...Partly cloudy with slight chance of rain. Chance of rain
20 percent. Lows 45-55. Highs 70-80. Min humidities 25-35 percent.
Northwest winds 10-15 mph.
.WEDNESDAY...Mostly clear. Lows 45-55. Highs 80-90. Northeast winds
5-10 mph.
.THURSDAY...Partly cloudy with chance of rain showers. Chance of
showers 30 percent. Lows 50-60. Highs 80-90.
.FRIDAY...Mostly clear. Slight chance of rain. Chance of rain
20 percent. Lows 50-60. Highs 75-85.

$$

MTZ104-105-250930-
Kootenai-Flathead/Glacier Park-
329 AM MDT Sat May 24 2025

.TODAY...
* Sky/Weather.........Partly cloudy.
* Max Temperature.....70-80 valleys and 55-65 ridges.
* Min Humidity........15-25 percent valleys and 30-40 percent
  ridges.
* 20-Foot Winds.......
*     Lower Elevation......Calm to becoming upslope/upvalley 4-8 mph in
      the afternoon.
*     Ridge Top............West 5-10 mph.
* Mixing Height.......1-2 kft agl until 0900. 8 kft agl after 1400.
* Transport Winds.....Variable less than 10 mph.
* Chance Lightning....0 percent in the Kootenai...and near 0
  percent in the Flathead/Glacier Park.
* CWR (> 0.10 Inch)...0 percent.

.TONIGHT...
* Sky/Weather.........Partly cloudy.
* Min Temperature.....40-50.
* Max Humidity........70-80 percent valleys and 58-68 percent
  ridges.
* 20-Foot Winds.......
*     Lower Elevation......Downslope/downvalley 1-3 mph.
*     Ridge Top............Southeast 5-15 mph.
* Mixing Height.......7 kft agl until 1900. Below 500 ft to 1 kft
  agl after 2100.
* Transport Winds.....Variable less than 10 mph until 2100, then
  southeast 10 mph.
* Chance Lightning....0 percent in the Kootenai...and near 0
  percent in the Flathead/Glacier Park.
* CWR (> 0.10 Inch)...0 percent.

.SUNDAY...
* Sky/Weather.........Mostly sunny.
* Max Temperature.....80-90 valleys and 63-73 ridges.
* Min Humidity........13-23 percent valleys and 24-34 percent
  ridges.
* 20-Foot Winds.......
*     Lower Elevation......Calm to becoming upslope/upvalley 4-8 mph in
      the afternoon.
*     Ridge Top............Southeast 5-15 mph.
* Mixing Height.......1-2 kft agl until 0900. 8 kft agl after 1700.
* Transport Winds.....Southeast 10 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...0 percent.

.MEMORIAL DAY...Mostly clear. Chance of rain. Chance of rain
30 percent. Lows 50-60. Highs 70-80. Min humidities 25-35 percent.
Southeast winds 10-15 mph.
.TUESDAY...Partly cloudy with slight chance of rain showers and
thunderstorms. Chance of precipitation 20 percent. Lows 45-55. Highs
65-75. Min humidities 20-30 percent. Southwest winds 10-15 mph.
.WEDNESDAY...Mostly clear. Lows 45-55. Highs 75-85. East winds
5-10 mph.
.THURSDAY...Mostly clear. Slight chance of rain. Chance of rain
20 percent. Lows 50-60. Highs 75-85.
.FRIDAY...Mostly clear. Slight chance of rain. Chance of rain
20 percent. Lows 50-60. Highs 75-85.

$$

MTZ106-108-250930-
West Lolo-East Lolo-
329 AM MDT Sat May 24 2025

.TODAY...
* Sky/Weather.........Partly cloudy.
* Max Temperature.....70-80 valleys and 60-70 ridges.
* Min Humidity........14-24 percent valleys and 25-35 percent
  ridges.
* 20-Foot Winds.......
*     Lower Elevation......Calm to becoming upslope/upvalley 4-8 mph in
      the afternoon.
*     Ridge Top............West 5-10 mph.
* Mixing Height.......1-2 kft agl until 0900. 8 kft agl after 1500.
* Transport Winds.....Variable less than 10 mph.
* Chance Lightning....0 percent.
* CWR (> 0.10 Inch)...0 percent.

.TONIGHT...
* Sky/Weather.........Partly cloudy.
* Min Temperature.....40-50.
* Max Humidity........62-72 percent valleys and 55-65 percent
  ridges.
* 20-Foot Winds.......
*     Lower Elevation......Northeast 5-10 mph.
*     Ridge Top............East 10-15 mph.
* Mixing Height.......7 kft agl until 1900. Below 500 ft to 1 kft
  agl after 2000.
* Transport Winds.....Northeast 10 mph until 2400, then east 10
  mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...0 percent.

.SUNDAY...
* Sky/Weather.........Mostly sunny.
* Max Temperature.....75-85 valleys and 68-78 ridges.
* Min Humidity........12-22 percent valleys and 22-32 percent
  ridges.
* 20-Foot Winds.......
*     Lower Elevation......Calm to variable less than 7 mph.
*     Ridge Top............East 5-10 mph.
* Mixing Height.......2 kft agl until 1000. 8 kft agl after 1600.
* Transport Winds.....Southeast 10 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...0 percent.

.MEMORIAL DAY...Mostly clear. Chance of rain. Chance of rain
40 percent. Lows 50-60. Highs 70-80. Min humidities 25-35 percent.
Southeast winds 10-15 mph.
.TUESDAY...Partly cloudy with chance of rain showers and slight chance
of thunderstorms. Chance of precipitation 40 percent. Lows 45-55. Highs
65-75. Min humidities 20-30 percent. West winds 10-15 mph.
.WEDNESDAY...Mostly clear. Lows 45-55. Highs 75-85. Northeast winds
5-10 mph.
.THURSDAY...Mostly clear. Slight chance of rain. Chance of rain
20 percent. Lows 50-60. Highs 80-90.
.FRIDAY...Mostly clear. Slight chance of rain. Chance of rain
20 percent. Lows 50-60. Highs 75-85.

$$

MTZ107-250930-
Flathead Reservation-
329 AM MDT Sat May 24 2025

.TODAY...
* Sky/Weather.........Partly cloudy.
* Max Temperature.....75-80 valleys and 55-60 ridges.
* Min Humidity........17-27 percent valleys and 33-43 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.......Below 500 ft to 1 kft agl until 0900. 7 kft
  agl after 1300.
* Transport Winds.....Variable less than 10 mph.
* Chance Lightning....0 percent.
* CWR (> 0.10 Inch)...0 percent.

.TONIGHT...
* Sky/Weather.........Mostly clear.
* Min Temperature.....40-50.
* Max Humidity........54-64 percent.
* 20-Foot Winds.......
*     Lower Elevation......Downslope/downvalley 1-3 mph.
*     Ridge Top............Northeast 5-15 mph becoming southeast after
      midnight.
* Mixing Height.......5 kft agl until 2000. Below 500 ft to 1 kft
  agl after 2100.
* Transport Winds.....Variable less than 10 mph.
* Chance Lightning....0 percent in areas west of Highway 93...and
  near 0 percent in the Mission Mtns and areas east of Highway 93.
* CWR (> 0.10 Inch)...0 percent.

.SUNDAY...
* Sky/Weather.........Mostly sunny.
* Max Temperature.....80-85 valleys and 60-65 ridges.
* Min Humidity........16-26 percent valleys and 28-38 percent
  ridges.
* 20-Foot Winds.......
*     Lower Elevation......Calm to variable less than 7 mph.
*     Ridge Top............Southeast 5-15 mph becoming south in the
      afternoon.
* Mixing Height.......1-2 kft agl until 1000. 7 kft agl after 1600.
* Transport Winds.....Variable less than 10 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...0 percent.

.MEMORIAL DAY...Mostly clear. Slight chance of rain. Chance of rain
20 percent. Lows 50-60. Highs 75-85. Min humidities 25-35 percent. East
winds 10-15 mph.
.TUESDAY...Partly cloudy with slight chance of rain showers and
thunderstorms. Chance of precipitation 20 percent. Lows 50-60. Highs
70-80. Min humidities 20-30 percent. West winds 10-15 mph.
.WEDNESDAY...Mostly clear. Lows 50-60. Highs 80-90. North winds
5-10 mph.
.THURSDAY...Mostly clear. Slight chance of rain. Chance of rain
20 percent. Lows 50-60. Highs 80-90.
.FRIDAY...Mostly clear. Slight chance of rain. Chance of rain
20 percent. Lows 55-65. Highs 80-90.

$$

MTZ109-250930-
Bitterroot-
329 AM MDT Sat May 24 2025

.TODAY...
* Sky/Weather.........Mostly sunny.
* Max Temperature.....75-80 valleys and 60-65 ridges.
* Min Humidity........14-24 percent valleys and 25-35 percent
  ridges.
* 20-Foot Winds.......
*     Lower Elevation......Calm to becoming upslope/upvalley 4-8 mph in
      the afternoon.
*     Ridge Top............Southeast up to 5 mph becoming north 5-10
      mph in the afternoon.
* Mixing Height.......1-2 kft agl until 0900. 8 kft agl after 1500.
* Transport Winds.....Variable less than 10 mph.
* Chance Lightning....0 percent.
* CWR (> 0.10 Inch)...0 percent.

.TONIGHT...
* Sky/Weather.........Mostly clear.
* Min Temperature.....40-45.
* Max Humidity........64-74 percent valleys and 56-66 percent
  ridges.
* 20-Foot Winds.......
*     Lower Elevation......Downslope/downvalley 2-5 mph.
*     Ridge Top............North 5-10 mph becoming east after midnight.
* Mixing Height.......7 kft agl until 1900. 1-2 kft agl after 2000.
* Transport Winds.....Variable less than 10 mph until 2300.
  Southeast 10 mph after 0300.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...0 percent.

.SUNDAY...
* Sky/Weather.........Mostly sunny.
* Max Temperature.....80-85 valleys and 65-75 ridges.
* Min Humidity........13-23 percent valleys and 21-31 percent
  ridges.
* 20-Foot Winds.......
*     Lower Elevation......Calm to variable less than 7 mph.
*     Ridge Top............South 5-10 mph.
* Mixing Height.......2 kft agl until 1000. 9 kft agl after 1400.
* Transport Winds.....Variable less than 10 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...0 percent.

.MEMORIAL DAY...Partly cloudy with chance of rain. Chance of rain
50 percent. Lows 45-55. Highs 70-80. Min humidities 35-45 percent. East
winds 5-10 mph.
.TUESDAY...Partly cloudy with chance of rain showers and thunderstorms.
Chance of precipitation 40 percent. Lows 45-55. Highs 65-75. Min
humidities 20-30 percent. Northwest winds 10-15 mph.
.WEDNESDAY...Mostly clear. Lows 45-55. Highs 70-80. Northeast winds
10-15 mph.
.THURSDAY...Partly cloudy with chance of rain showers and slight chance
of thunderstorms. Chance of precipitation 30 percent. Lows 50-60. Highs
75-85.
.FRIDAY...Mostly clear. Slight chance of rain. Chance of rain
20 percent. Lows 50-60. Highs 75-85.

$$

MTZ110-111-250930-
Deerlodge/West Beaverhead-East Beaverhead-
329 AM MDT Sat May 24 2025

.TODAY...
* Sky/Weather.........Partly cloudy.
* Max Temperature.....65-70 valleys and 55-60 ridges.
* Min Humidity........21-31 percent.
* 20-Foot Winds.......
*     Lower Elevation......Calm to variable less than 7 mph.
*     Ridge Top............North 10-15 mph.
* Mixing Height.......1-2 kft agl until 0900. 9 kft agl after 1500.
* Transport Winds.....North 10 mph.
* Chance Lightning....Near 0 percent in the Deerlodge/West
  Beaverhead...and 15 percent in the East Beaverhead.
* CWR (> 0.10 Inch)...0 percent.

.TONIGHT...
* Sky/Weather.........Partly cloudy.
* Min Temperature.....35-40.
* Max Humidity........72-82 percent valleys and 64-74 percent
  ridges.
* 20-Foot Winds.......
*     Lower Elevation......East 5-10 mph.
*     Ridge Top............East 5-10 mph.
* Mixing Height.......8 kft agl until 1900. Below 500 ft to 1 kft
  agl after 2100.
* Transport Winds.....Northeast 10 mph until 2200, then east 10
  mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...0 percent.

.SUNDAY...
* Sky/Weather.........Mostly sunny.
* Max Temperature.....70-75 valleys and 60-70 ridges.
* Min Humidity........20-30 percent.
* 20-Foot Winds.......
*     Lower Elevation......Calm to variable less than 7 mph.
*     Ridge Top............East 5-10 mph becoming northeast in the
      afternoon.
* Mixing Height.......1-2 kft agl until 0900. 9 kft agl after 1500.
* Transport Winds.....Variable less than 10 mph until 1200, then
  northeast 10 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...0 percent.

.MEMORIAL DAY...Mostly clear. Chance of rain showers and slight chance
of thunderstorms. Chance of precipitation 40 percent. Lows 40-50. Highs
70-80. Min humidities 25-35 percent. Southeast winds 5-10 mph.
.TUESDAY...Partly cloudy with chance of rain showers and slight chance
of thunderstorms. Chance of precipitation 40 percent. Lows 45-55. Highs
65-75. Min humidities 25-35 percent. Northwest winds 10-15 mph.
.WEDNESDAY...Partly cloudy with slight chance of rain showers. Chance
of showers 20 percent. Lows 40-50. Highs 70-80. Northeast winds
10-15 mph.
.THURSDAY...Partly cloudy with chance of rain showers and slight chance
of thunderstorms. Chance of precipitation 30 percent. Lows 45-55. Highs
70-80.
.FRIDAY...Partly cloudy with slight chance of rain showers. Chance of
showers 20 percent. Lows 45-55. Highs 70-80.

$$