Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Missoula, MT
Issued by NWS Missoula, MT
461
FNUS55 KMSO 190828
FWFMSO
Fire Weather Planning Forecast for Wrn Montana and N Cntrl Idaho
National Weather Service Missoula MT
228 AM MDT Thu Jun 19 2025
.DISCUSSION...
Idaho (Zones 102 and 103): Warm temperatures will continue today, with
north-northwest breezes developing by mid-late afternoon. Scattered
thunderstorms will develop early Friday morning into the afternoon, with
gusty winds, small hail, and brief heavy rain. Growing confidence for
cooler temperatures and wetting rains this upcoming weekend. Currently,
there is a 80 percent probability for widespread one half inch of
rainfall through Sunday across the Nez Perce-Clearwater NF, and a 70%
chance for 0.10 inches of rain across the Camas Prairie and Palouse.
Northwest MT (Zones 104 and 105): High pressure remains in place through
this afternoon, with light and terrain driven winds. Scattered
thunderstorms will develop early Friday morning into the afternoon, with
gusty winds, small hail, and brief heavy rain. High confidence for
cooler temperatures, wetting rains, and high elevation snow this
upcoming weekend as a closed low moves into the region. There`s a 50 to
90 percent chance of 1 inch or more of rain across the region this
weekend with the lower chances near 50 percent in the southern portions
of the zones and the higher chances of 80 to 90 percent along the
Canadian border and the Continental Divide. Snow levels along the
Continental Divide this weekend may drop below 5,000 ft.
West Central MT (Zones 106, 107 and 108): Warm temperatures will
continue today, with north-northwest breezes developing by mid-late
afternoon. Scattered thunderstorms will develop early Friday morning
into the afternoon, with gusty winds, small hail, and brief heavy
rain. Growing confidence for cooler temperatures and wetting rains this
upcoming weekend. Currently, there is a 70 to 90 percent probability
for widespread one half inch of rainfall through Sunday.
Southwest MT (Zones 109, 110 and 111): Scattered thunderstorms could bring
strong gusty winds this afternoon and evening. Another round of storms
is expected Friday, focusing along and west of the divide, with storms
producing gusty winds, hail, and brief heavy rain. A surface low will
bring strong winds across the East Beaverhead today and Friday, with
widespread gusts of 30-45 mph. Confidence continues to grow in a wet
system coming this weekend, with a 80-90% chance for wetting rains
across all districts by Sunday morning.
View Weather Briefing videos on our YouTube channel
at https://www.youtube.com/NWSMissoula
IDZ102-103-200830-
Palouse/Hells Canyon-Clearwater/Nez Perce-
128 AM PDT Thu Jun 19 2025
.TODAY...
* Sky/Weather.........Partly cloudy.
* Max Temperature.....80-90 valleys and 65-75 ridges.
* Min Humidity........21-31 percent.
* 20-Foot Winds.......
* Lower Elevation......West-northwest 5-10 mph in the late
afternoon.
* Ridge Top............West 5-15 mph.
* Mixing Height.......1-2 kft agl until 0900. 6 kft agl after 1500.
* Transport Winds.....Northwest 10 mph.
* Chance Lightning....Near 0 percent in the Palouse/Hells
Canyon...and 15 percent in the Clearwater/Nez Perce.
* CWR (> 0.10 Inch)...0 percent.
.TONIGHT...
* Sky/Weather.........Partly cloudy. Chance of rain showers and
slight chance of thunderstorms.
* Min Temperature.....45-55 valleys and 40-45 ridges.
* Max Humidity........62-72 percent.
* 20-Foot Winds.......
* Lower Elevation......Northwest 5-10 mph.
* Ridge Top............Northwest 5-10 mph.
* Mixing Height.......6 kft agl until 1900. Below 500 ft to 1 kft
agl after 2100.
* Transport Winds.....Northwest 10 mph.
* Chance Lightning....20 percent in the Palouse/Hells Canyon...and
30 percent in the Clearwater/Nez Perce.
* CWR (> 0.10 Inch)...20 percent.
.FRIDAY...
* Sky/Weather.........Mostly cloudy. Rain showers and chance of
thunderstorms.
* Max Temperature.....65-70 valleys and 50-60 ridges.
* Min Humidity........43-53 percent valleys and 57-67 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......West 5-15 mph.
* Ridge Top............West 5-15 mph.
* Mixing Height.......1-2 kft agl until 0900. 6 kft agl after 1500.
* Transport Winds.....Northwest 10 mph.
* Chance Lightning....20 percent in the Palouse/Hells Canyon...and
40 percent in the Clearwater/Nez Perce.
* CWR (> 0.10 Inch)...50 percent in the Palouse/Hells Canyon...and
80 percent in the Clearwater/Nez Perce.
.SATURDAY...Mostly cloudy with rain showers and slight chance of
thunderstorms. Chance of precipitation 80 percent. Lows 40-50. Highs
55-65. Min humidities 35-45 percent. West winds 10-15 mph.
.SUNDAY...Mostly cloudy with rain likely. Chance of rain 70 percent.
Lows 40-50. Highs 55-65. Min humidities 30-40 percent. Northwest winds
10-15 mph.
.MONDAY...Warmer. Partly cloudy with slight chance of rain. Chance of
rain 20 percent. Lows 40-50. Highs 70-80. Southwest winds 5-10 mph.
.TUESDAY...Mostly clear. Lows 45-55. Highs 75-85.
.WEDNESDAY...Mostly clear. Lows 50-60. Highs 80-90.
$$
MTZ104-105-200830-
Kootenai-Flathead/Glacier Park-
228 AM MDT Thu Jun 19 2025
.TODAY...
* Sky/Weather.........Partly cloudy.
* Max Temperature.....80-85 valleys and 60-70 ridges.
* Min Humidity........9-19 percent valleys and 20-30 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Variable becoming upslope/upvalley 4-7 mph.
* Ridge Top............Southwest 10-15 mph.
* Mixing Height.......1-2 kft agl until 0800. 8 kft agl after 1300.
* Transport Winds.....Southwest 15 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...0 percent.
.TONIGHT...
* Sky/Weather.........Partly cloudy. Rain showers likely. Slight
chance of thunderstorms after midnight.
* Min Temperature.....45-50.
* Max Humidity........61-71 percent.
* 20-Foot Winds.......
* Lower Elevation......Variable less than 5 mph in the evening
becoming downslope/downvalley 1-3 mph.
* Ridge Top............West 5-10 mph becoming southeast 5-15 mph
after midnight.
* Mixing Height.......7 kft agl until 1900. Below 500 ft to 1 kft
agl after 2100.
* Transport Winds.....West 10 mph until 2200. Northeast 10 mph
after 2400.
* Chance Lightning....Near 0 percent in the Kootenai...and 30
percent in the Flathead/Glacier Park.
* CWR (> 0.10 Inch)...10 percent in the Kootenai...and 30 percent
in the Flathead/Glacier Park.
.FRIDAY...
* Sky/Weather.........Mostly cloudy. Rain showers and slight chance
of thunderstorms.
* Max Temperature.....65-70 valleys and 50-60 ridges.
* Min Humidity........49-59 percent valleys and 67-77 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Calm to variable less than 7 mph.
* Ridge Top............Northwest 5-15 mph.
* Mixing Height.......2 kft agl until 0900. 5 kft agl after 1100.
* Transport Winds.....Northeast 10 mph until 1000, then northwest
10 mph.
* Chance Lightning....30 percent in the Kootenai...and 40 percent
in the Flathead/Glacier Park.
* CWR (> 0.10 Inch)...70 percent in the Kootenai...and 90 percent
in the Flathead/Glacier Park.
.SATURDAY...Cooler. Cloudy with rain showers and slight chance of
thunderstorms. Chance of precipitation 90 percent. Lows 40-50. Highs
45-55. Min humidities 55-65 percent. West winds 10-20 mph.
.SUNDAY...Mostly cloudy with rain, snow and slight chance of
thunderstorms. Chance of precipitation 90 percent. Lows 35-45. Highs
50-60. Min humidities 40-50 percent. Northwest winds 10-15 mph.
.MONDAY...Mostly cloudy with chance of rain showers and slight chance
of thunderstorms. Chance of precipitation 30 percent. Lows 40-50. Highs
60-70. Southwest winds 5-10 mph.
.TUESDAY...Partly cloudy with slight chance of rain. Chance of rain
20 percent. Lows 40-50. Highs 70-80.
.WEDNESDAY...Partly cloudy. Lows 45-55. Highs 75-85.
$$
MTZ106-108-200830-
West Lolo-East Lolo-
228 AM MDT Thu Jun 19 2025
.TODAY...
* Sky/Weather.........Partly cloudy.
* Max Temperature.....75-85 valleys and 68-78 ridges.
* Min Humidity........13-23 percent valleys and 21-31 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Northwest 5-10 mph in the late afternoon.
* Ridge Top............West 5-10 mph.
* Mixing Height.......2 kft agl until 0900. 8 kft agl after 1500.
* Transport Winds.....West 10 mph.
* Chance Lightning....Near 0 percent in the West Lolo...and 25
percent in the East Lolo.
* CWR (> 0.10 Inch)...0 percent.
.TONIGHT...
* Sky/Weather.........Partly cloudy. Rain showers likely and chance
of thunderstorms.
* Min Temperature.....45-55.
* Max Humidity........64-74 percent.
* 20-Foot Winds.......
* Lower Elevation......Northwest 5-10 mph.
* Ridge Top............Northwest 10-15 mph.
* Mixing Height.......7 kft agl until 1900. Below 500 ft to 1 kft
agl after 2100.
* Transport Winds.....Northwest 10 mph until 2100, then 10 mph.
* Chance Lightning....25 percent in the West Lolo...and 40 percent
in the East Lolo.
* CWR (> 0.10 Inch)...30 percent.
.FRIDAY...
* Sky/Weather.........Mostly cloudy. Rain showers and chance of
thunderstorms.
* Max Temperature.....60-70 valleys and 53-63 ridges.
* Min Humidity........53-63 percent valleys and 62-72 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Calm to variable less than 7 mph.
* Ridge Top............West 5-15 mph.
* Mixing Height.......2 kft agl until 0900. 4 kft agl after 1200.
* Transport Winds.....West 15 mph.
* Chance Lightning....30 percent in the West Lolo...and 60 percent
in the East Lolo.
* CWR (> 0.10 Inch)...60 percent in the West Lolo...and 80 percent
in the East Lolo.
.SATURDAY...Cooler. Cloudy with rain showers and slight chance of
thunderstorms. Chance of precipitation 80 percent. Lows 40-50. Highs
50-60. Min humidities 40-50 percent. West winds 10-20 mph.
.SUNDAY...Mostly cloudy with rain and slight chance of thunderstorms.
Chance of precipitation 80 percent. Lows 40-50. Highs 50-60. Min
humidities 35-45 percent. Northwest winds 10-15 mph.
.MONDAY...Partly cloudy with chance of rain showers and slight chance
of thunderstorms. Chance of precipitation 30 percent. Lows 35-45. Highs
60-70. Southwest winds 5-10 mph.
.TUESDAY...Partly cloudy. Lows 40-50. Highs 70-80.
.WEDNESDAY...Partly cloudy. Lows 45-55. Highs 75-85.
$$
MTZ107-200830-
Flathead Reservation-
228 AM MDT Thu Jun 19 2025
.TODAY...
* Sky/Weather.........Partly cloudy.
* Max Temperature.....80-85 valleys and 60-65 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............West 10-15 mph.
* Mixing Height.......Below 500 ft to 1 kft agl until 0800. 8 kft
agl after 1600.
* Transport Winds.....West 10 mph.
* Chance Lightning....Near 0 percent.
* CWR (> 0.10 Inch)...0 percent.
.TONIGHT...
* Sky/Weather.........Partly cloudy. Chance of rain showers and
slight chance of thunderstorms.
* Min Temperature.....50-55 valleys and 40-45 ridges.
* Max Humidity........64-74 percent valleys and 87-97 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Northwest 5-10 mph.
* Ridge Top............Northwest 10-15 mph.
* Mixing Height.......8 kft agl until 1900. Below 500 ft to 1 kft
agl after 2100.
* Transport Winds.....Northwest 10 mph until 2200. 10 mph after
0300.
* Chance Lightning....20 percent in areas west of Highway 93...and
30 percent in the Mission Mtns and areas east of Highway 93.
* CWR (> 0.10 Inch)...20 percent.
.FRIDAY...
* Sky/Weather.........Mostly cloudy. Rain showers and slight chance
of thunderstorms.
* Max Temperature.....65-70 valleys and 45-50 ridges.
* Min Humidity........53-63 percent valleys and 74-84 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Calm to variable less than 7 mph.
* Ridge Top............West 5-15 mph.
* Mixing Height.......1-2 kft agl until 0900. 4 kft agl after 1200.
* Transport Winds.....Northwest 10 mph.
* Chance Lightning....25 percent in areas west of Highway 93...and
40 percent in the Mission Mtns and areas east of Highway 93.
* CWR (> 0.10 Inch)...80 percent.
.SATURDAY...Cooler. Cloudy with rain showers and slight chance of
thunderstorms. Chance of precipitation 80 percent. Lows 45-55. Highs
50-60. Min humidities 45-55 percent. West winds 10-20 mph.
.SUNDAY...Mostly cloudy with rain and slight chance of thunderstorms.
Chance of precipitation 80 percent. Lows 40-50. Highs 55-65. Min
humidities 35-45 percent. Northwest winds 10-15 mph.
.MONDAY...Partly cloudy with chance of rain showers and slight chance
of thunderstorms. Chance of precipitation 30 percent. Lows 40-50. Highs
65-75. Southwest winds 5-10 mph.
.TUESDAY...Partly cloudy with slight chance of rain. Chance of rain
20 percent. Lows 45-55. Highs 75-85.
.WEDNESDAY...Partly cloudy. Lows 50-60. Highs 80-90.
$$
MTZ109-200830-
Bitterroot-
228 AM MDT Thu Jun 19 2025
.TODAY...
* Sky/Weather.........Partly cloudy. Slight chance of thunderstorms
in the afternoon.
* Max Temperature.....85-90 valleys and 70-80 ridges.
* Min Humidity........18-28 percent valleys and 24-34 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......Northwest 5-10 mph
* Ridge Top............Northwest 5-15 mph.
* Mixing Height.......2 kft agl until 0900, increasing to 10 kft agl
until 1700.
* Transport Winds.....Variable less than 10 mph until 0900, then
southwest 10 mph until 1400, then 15 mph.
* Chance Lightning....25 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. Rain showers likely and chance
of thunderstorms.
* Min Temperature.....45-55.
* Max Humidity........81-91 percent valleys and 72-82 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......North 5-10 mph.
* Ridge Top............North 5-10 mph.
* Mixing Height.......8 kft agl until 1900. 1-2 kft agl after 2100.
* Transport Winds.....West 15 mph until 2000, then north 10 mph.
* Chance Lightning....30 percent.
* CWR (> 0.10 Inch)...10 percent in the Darby, Sula, and West Fork
Districts...and 30 percent in areas north of Hamilton.
.FRIDAY...
* Sky/Weather.........Mostly cloudy. Rain showers and chance of
thunderstorms.
* Max Temperature.....70-75 valleys and 55-60 ridges.
* Min Humidity........48-58 percent.
* 20-Foot Winds.......
* Lower Elevation......Northwest 5-15 mph.
* Ridge Top............Northwest 5-15 mph.
* Mixing Height.......2 kft agl until 0900. 4 kft agl after 1300.
* Transport Winds.....Northwest 10 mph until 1700, then west 15
mph.
* Chance Lightning....50 percent.
* CWR (> 0.10 Inch)...70 percent.
.SATURDAY...Cooler. Cloudy with rain showers, snow and chance of
thunderstorms. Chance of precipitation 80 percent. Lows 35-45. Highs
45-55. Min humidities 40-50 percent. West winds 5-15 mph.
.SUNDAY...Mostly cloudy with rain, snow and slight chance of
thunderstorms. Chance of precipitation 80 percent. Lows 35-45. Highs
50-60. Min humidities 30-40 percent. Northwest winds 10-15 mph.
.MONDAY...Partly cloudy with slight chance of rain showers and
thunderstorms. Chance of precipitation 20 percent. Lows 35-45. Highs
60-70. Southwest winds 5-10 mph.
.TUESDAY...Partly cloudy with slight chance of rain showers and
thunderstorms. Chance of precipitation 20 percent. Lows 40-50. Highs
65-75.
.WEDNESDAY...Partly cloudy. Lows 45-55. Highs 70-80.
$$
MTZ110-111-200830-
Deerlodge/West Beaverhead-East Beaverhead-
228 AM MDT Thu Jun 19 2025
.TODAY...
* Sky/Weather.........Mostly Sunny becoming partly cloudy. Slight
chance of thunderstorms in the afternoon.
* Max Temperature.....80-90 valleys and 70-75 ridges.
* Min Humidity........13-23 percent.
* 20-Foot Winds.......
* Lower Elevation......Southwest 10-20 mph.
* Ridge Top............Southwest 10-20 mph.
* Mixing Height.......1-2 kft agl until 0900, increasing to 10 kft agl
in the afternoon.
* Transport Winds.....Southwest 10 mph until 1100. 25 mph after
1300.
* Chance Lightning....30 percent.
* CWR (> 0.10 Inch)...10 percent.
.TONIGHT...
* Sky/Weather.........Partly cloudy. Chance of rain showers and
thunderstorms.
* Min Temperature.....45-55.
* Max Humidity........82-92 percent valleys and 63-73 percent
ridges.
* 20-Foot Winds.......
* Lower Elevation......North 10-15 mph becoming variable less than
5 mph after midnight.
* Ridge Top............West 10-20 mph becoming east 5-10 mph after
midnight.
* Mixing Height.......10 kft agl until 1900. Below 500 ft to 1 kft
agl after 2100.
* Transport Winds.....West 20 mph until 2100, then north 10 mph
until 2400, then northeast 10 mph until 0400, then southeast 10
mph.
* Chance Lightning....40 percent.
* CWR (> 0.10 Inch)...10 percent.
.FRIDAY...
* Sky/Weather.........Mostly cloudy. Rain showers likely and chance
of thunderstorms.
* Max Temperature.....68-78 valleys and 60-70 ridges.
* Min Humidity........28-38 percent.
* 20-Foot Winds.......
* Lower Elevation......Southwest 10-20 mph increasing to 20-30 mph
in the afternoon.
* Ridge Top............Southwest 20-30 mph.
* Mixing Height.......1-2 kft agl until 0900, increasing to 10 kft agl
in the afternoon.
* Transport Winds.....South 15 mph until 1100. Southwest 30 mph
after 1300.
* Chance Lightning....60 percent in the Deerlodge/West
Beaverhead...and 50 percent in the East Beaverhead.
* CWR (> 0.10 Inch)...70 percent in the Deerlodge/West
Beaverhead...and 10 percent in the East Beaverhead.
.SATURDAY...Cooler. Mostly cloudy with rain showers and slight chance
of thunderstorms. Chance of precipitation 80 percent. Lows 35-45. Highs
50-60. Min humidities 25-35 percent. West winds 15-25 mph.
.SUNDAY...Mostly cloudy with rain showers likely, chance of
thunderstorms and snow. Chance of precipitation 70 percent. Lows 35-45.
Highs 45-55. Min humidities 30-40 percent. Northwest winds 10-20 mph.
.MONDAY...Warmer. Partly cloudy with slight chance of rain showers and
thunderstorms. Chance of precipitation 20 percent. Lows 30-40. Highs
60-70. Southwest winds 5-10 mph.
.TUESDAY...Partly cloudy with slight chance of rain showers and
thunderstorms. Chance of precipitation 20 percent. Lows 35-45. Highs
65-75.
.WEDNESDAY...Partly cloudy with slight chance of rain showers and
thunderstorms. Chance of precipitation 20 percent. Lows 40-50. Highs
70-80.
$$