


Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Missoula, MT
Issued by NWS Missoula, MT
128 FNUS55 KMSO 110856 FWFMSO Fire Weather Planning Forecast for Wrn Montana and N Cntrl Idaho National Weather Service Missoula MT 256 AM MDT Sat Oct 11 2025 .DISCUSSION... Idaho (Zones 102 and 103): Cool, damp, and breezy conditions are expected today with scattered rain and mountain snow showers and high humidity. A colder airmass arrives Sunday, changing all precipitation to snow in the high valleys and high terrain by Sunday night. Widespread showers and much cooler temperatures will continue through Monday. Easterly winds also develop on Monday. Northwest MT (Zones 104 and 105): Today will be chilly and damp with scattered rain and mountain snow showers. Sunday will feature a transition to all snow, accompanied by gusty north to easterly winds and falling temperatures. Widespread showers will continue through Monday, with significant accumulations in the mountains. Easterly winds increase on Monday. West Central MT (Zones 106, 107 and 108): Expect cool temperatures, high humidity, and scattered rain and mountain snow showers today. It will become colder Sunday with precipitation changing to all snow by Sunday night. Widespread showers and cold temperatures will continue through Monday. Blustery easterly winds on Monday will create raw conditions. Southwest MT (Zones 109, 110 and 111): Today will be cooler with scattered showers, high humidity, and breezy west winds. Colder air arrives Sunday, with widespread showers changing to snow Sunday night into Monday. Gusty easterly winds are also expected on Monday. IDZ102-103-120900- Palouse/Hells Canyon-Clearwater/Nez Perce- 156 AM PDT Sat Oct 11 2025 .TODAY... * Sky/Weather.........Mostly cloudy. Rain showers likely in the morning, then rain likely in the afternoon. Snow level 6500 feet. * Max Temperature.....50-60 valleys and 40-45 ridges. * Min Humidity........60-70 percent valleys and 73-83 percent ridges. * 20-Foot Winds....... * Lower Elevation......Calm to variable less than 7 mph. * Ridge Top............West 5-10 mph. * Mixing Height.......3 kft agl until 1300, then 4 kft agl. * Transport Winds.....West 15 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...50 percent. .TONIGHT... * Sky/Weather.........Mostly cloudy. Rain showers and snow. Snow level 5500 feet. * Min Temperature.....35-40 valleys and 25-35 ridges. * Max Humidity........81-91 percent. * 20-Foot Winds....... * Lower Elevation......Variable less than 5 mph increasing to 5-15 mph after midnight. * Ridge Top............West 10-20 mph. * Mixing Height.......1-2 kft agl. * Transport Winds.....West 15 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. .SUNDAY... * Sky/Weather.........Rain and snow. Snow level 5000 feet. * Max Temperature.....48-58 valleys and 35-40 ridges. * Min Humidity........64-74 percent valleys and 77-87 percent ridges. * 20-Foot Winds....... * Lower Elevation......Southwest 10-20 mph in the morning becoming variable less than 7 mph. * Ridge Top............Southwest 10-20 mph. * Mixing Height.......3 kft agl until 1200, then 4 kft agl. * Transport Winds.....West 15 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...50 percent in the Palouse/Hells Canyon...and 80 percent in the Clearwater/Nez Perce. .COLUMBUS DAY...Mostly cloudy with snow with rain likely. Chance of precipitation 80 percent. Lows 35-45. Highs 50-60. Min humidities 40-50 percent. East winds 10-15 mph. .TUESDAY...Partly cloudy with slight chance of rain and snow. Chance of precipitation 20 percent. Lows 30-40. Highs 50-60. Min humidities 40-50 percent. Northeast winds 10-20 mph. .WEDNESDAY...Partly cloudy with chance of rain. Chance of rain 30 percent. Lows 35-45. Highs 50-60. Diurnal terrain winds to 10 mph. .THURSDAY...Partly cloudy with chance of rain and snow. Chance of precipitation 30 percent. Lows 35-45. Highs 50-60. .FRIDAY...Partly cloudy with chance of rain showers and snow. Chance of precipitation 50 percent. Lows 35-45. Highs 45-55. $$ MTZ104-105-120900- Kootenai-Flathead/Glacier Park- 256 AM MDT Sat Oct 11 2025 .TODAY... * Sky/Weather.........Mostly cloudy. Chance of rain. Snow level 7500 feet. * Max Temperature.....55-60 valleys and 40-50 ridges. * Min Humidity........53-63 percent valleys and 73-83 percent ridges. * 20-Foot Winds....... * Lower Elevation......Southwest 10-20 mph. * Ridge Top............Southwest 10-20 mph. * Mixing Height.......3 kft agl until 1100, then 5 kft agl. * Transport Winds.....West 15 mph until 1500, then 20 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...20 percent. .TONIGHT... * Sky/Weather.........Mostly cloudy. Rain and snow. Snow level 5500 feet. * Min Temperature.....23-33. * Max Humidity........100 percent valleys and 86-96 percent ridges. * 20-Foot Winds....... * Lower Elevation......South 5-10 mph becoming southeast after midnight. * Ridge Top............West 15-25 mph. * Mixing Height.......2 kft agl. * Transport Winds.....West 15 mph until 0500, then northwest 10 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...70 percent in the Kootenai...and 90 percent in the Flathead/Glacier Park. .SUNDAY... * Sky/Weather.........Snow and rain. Snow level 3500 feet. * Max Temperature.....40-50 valleys and 25-35 ridges. * Min Humidity........62-72 percent valleys and 76-86 percent ridges. * 20-Foot Winds....... * Lower Elevation......Northeast 10-20 mph. * Ridge Top............Northeast 10-20 mph. * Mixing Height.......4 kft agl. * Transport Winds.....Northeast 15 mph until 1000, then east 15 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...90 percent. .COLUMBUS DAY...Snow. Patchy blowing snow. Chance of snow near 100 percent. Lows 25-35. Highs 35-45. Min humidities 45-55 percent. Northeast winds 15-25 mph. .TUESDAY...Partly cloudy with chance of snow. Chance of snow 30 percent. Lows 20-30. Highs 40-50. Min humidities 50-60 percent. Northeast winds 10-20 mph. .WEDNESDAY...Partly cloudy with slight chance of rain and snow. Chance of precipitation 20 percent. Lows 25-35. Highs 45-55. Northeast winds 5-10 mph. .THURSDAY...Partly cloudy with slight chance of rain and snow. Chance of precipitation 20 percent. Lows 30-40. Highs 45-55. .FRIDAY...Partly cloudy with chance of rain and snow. Chance of precipitation 50 percent. Lows 30-40. Highs 40-50. $$ MTZ106-108-120900- West Lolo-East Lolo- 256 AM MDT Sat Oct 11 2025 .TODAY... * Sky/Weather.........Partly cloudy. Chance of rain. Snow level 7500 feet. * Max Temperature.....45-55. * Min Humidity........45-55 percent valleys and 58-68 percent ridges. * 20-Foot Winds....... * Lower Elevation......West 5-15 mph. * Ridge Top............West 5-15 mph. * Mixing Height.......3 kft agl until 1100. 5 kft agl after 1400. * Transport Winds.....West 15 mph until 1500, then 20 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...10 percent. .TONIGHT... * Sky/Weather.........Mostly cloudy. Rain and snow. Snow level 5500 feet. * Min Temperature.....30-35. * Max Humidity........82-92 percent. * 20-Foot Winds....... * Lower Elevation......Southwest 10-20 mph. * Ridge Top............Southwest 15-25 mph. * Mixing Height.......3 kft agl until 2000, then 1-2 kft agl. * Transport Winds.....West 20 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...50 percent in the West Lolo...and 20 percent in the East Lolo. .SUNDAY... * Sky/Weather.........Snow and rain. Snow level 5000 feet. * Max Temperature.....40-50 valleys and 33-43 ridges. * Min Humidity........61-71 percent valleys and 70-80 percent ridges. * 20-Foot Winds....... * Lower Elevation......Southwest 10-20 mph. * Ridge Top............Southwest 15-25 mph decreasing to 5-15 mph in the afternoon. * Mixing Height.......3 kft agl until 1300, then 4 kft agl. * Transport Winds.....West 15 mph until 1700, then southeast 10 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...80 percent. .COLUMBUS DAY...Colder, snow. Chance of snow near 100 percent. Lows 25-35. Highs 35-45. Min humidities 45-55 percent. East winds 15-25 mph. .TUESDAY...Partly cloudy with slight chance of snow. Chance of snow 20 percent. Lows 25-35. Highs 40-50. Min humidities 50-60 percent. East winds 10-20 mph. .WEDNESDAY...Partly cloudy with slight chance of rain and snow. Chance of precipitation 20 percent. Lows 30-40. Highs 45-55. Diurnal terrain winds to 10 mph. .THURSDAY...Partly cloudy with chance of rain and snow. Chance of precipitation 30 percent. Lows 30-40. Highs 45-55. .FRIDAY...Partly cloudy with chance of rain and snow. Chance of precipitation 30 percent. Lows 35-45. Highs 45-55. $$ MTZ107-120900- Flathead Reservation- 256 AM MDT Sat Oct 11 2025 .TODAY... * Sky/Weather.........Mostly cloudy. Chance of rain. Snow level 7500 feet. * Max Temperature.....55-60 valleys and 40-45 ridges. * Min Humidity........58-68 percent valleys and 77-87 percent ridges. * 20-Foot Winds....... * Lower Elevation......Southwest 5-15 mph. * Ridge Top............West 5-15 mph. * Mixing Height.......3 kft agl until 1100. 5 kft agl after 1500. * Transport Winds.....West 10 mph until 1100, then 20 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...10 percent in areas west of Highway 93...and 30 percent in the Mission Mtns and areas east of Highway 93. .TONIGHT... * Sky/Weather.........Mostly cloudy. Rain. Snow after midnight. Snow level 5500 feet. * Min Temperature.....35-40 valleys and 25-30 ridges. * Max Humidity........83-93 percent. * 20-Foot Winds....... * Lower Elevation......Southwest 10-20 mph. * Ridge Top............West 10-15 mph becoming southwest 15-25 mph after midnight. * Mixing Height.......3 kft agl until 2000, then 1-2 kft agl. * Transport Winds.....West 15 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...30 percent in areas west of Highway 93...and 80 percent in the Mission Mtns and areas east of Highway 93. .SUNDAY... * Sky/Weather.........Rain and snow. Snow level 4500 feet. * Max Temperature.....45-50 valleys and 25-30 ridges. * Min Humidity........76-86 percent valleys and 92 percent ridges. * 20-Foot Winds....... * Lower Elevation......Southwest 5-15 mph becoming northwest 10-15 mph in the afternoon. * Ridge Top............Southwest 15-25 mph decreasing to 5-15 mph in the afternoon. * Mixing Height.......3 kft agl. * Transport Winds.....West 15 mph until 1000. Northeast 10 mph after 1600. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...80 percent in areas west of Highway 93...and 100 percent in the Mission Mtns and areas east of Highway 93. .COLUMBUS DAY...Snow and rain. Chance of precipitation near 100 percent. Lows 30-40. Highs 40-50. Min humidities 45-55 percent. Northeast winds 15-25 mph. .TUESDAY...Partly cloudy with slight chance of snow. Chance of snow 20 percent. Lows 25-35. Highs 45-55. Min humidities 55-65 percent. Northeast winds 10-20 mph. .WEDNESDAY...Partly cloudy with slight chance of rain. Chance of rain 20 percent. Lows 30-40. Highs 50-60. Diurnal terrain winds to 10 mph. .THURSDAY...Partly cloudy with slight chance of rain. Chance of rain 20 percent. Lows 35-45. Highs 50-60. .FRIDAY...Partly cloudy with chance of rain and snow. Chance of precipitation 50 percent. Lows 35-45. Highs 45-55. $$ MTZ109-120900- Bitterroot- 256 AM MDT Sat Oct 11 2025 .TODAY... * Sky/Weather.........Partly cloudy. Chance of rain. Snow likely in the afternoon. * Max Temperature.....60-65 valleys and 45-50 ridges. * Min Humidity........47-57 percent valleys and 60-70 percent ridges. * 20-Foot Winds....... * Lower Elevation......West 5-15 mph. * Ridge Top............West 5-15 mph. * Mixing Height.......1-2 kft agl until 1000. 6 kft agl after 1200. * Transport Winds.....West 15 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. .TONIGHT... * Sky/Weather.........Mostly cloudy. Chance of snow and rain. Snow level 5500 feet. * Min Temperature.....25-35. * Max Humidity........88-98 percent valleys and 82-92 percent ridges. * 20-Foot Winds....... * Lower Elevation......West 5-15 mph becoming south 10-20 mph after midnight. * Ridge Top............West 5-15 mph increasing to 15-25 mph after midnight. * Mixing Height.......2 kft agl until 2300, then 1-2 kft agl. * Transport Winds.....West 15 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...30 percent in the Darby, Sula, and West Fork Districts...and 10 percent in areas north of Hamilton. .SUNDAY... * Sky/Weather.........Mostly cloudy. Snow and rain. Snow level 5500 feet. * Max Temperature.....50-55 valleys and 35-40 ridges. * Min Humidity........49-59 percent valleys and 61-71 percent ridges. * 20-Foot Winds....... * Lower Elevation......Southwest 10-20 mph. * Ridge Top............Southwest 15-25 mph decreasing to 10-15 mph in the afternoon. * Mixing Height.......3 kft agl until 1100, then 5 kft agl until 1700, then 4 kft agl. * Transport Winds.....West 15 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...50 percent. .COLUMBUS DAY...Mostly cloudy with snow and rain likely. Chance of precipitation 70 percent. Lows 30-40. Highs 40-50. Min humidities 45-55 percent. East winds 10-20 mph. .TUESDAY...Partly cloudy with chance of rain and snow. Chance of precipitation 40 percent. Lows 25-35. Highs 45-55. Min humidities 55-65 percent. East winds 10-20 mph. .WEDNESDAY...Partly cloudy with chance of rain and snow. Chance of precipitation 40 percent. Lows 30-40. Highs 45-55. Variable winds up to 10 mph. .THURSDAY...Mostly cloudy with chance of rain and snow. Chance of precipitation 40 percent. Lows 30-40. Highs 45-55. .FRIDAY...Partly cloudy with chance of rain and snow. Chance of precipitation 30 percent. Lows 30-40. Highs 40-50. $$ MTZ110-111-120900- Deerlodge/West Beaverhead-East Beaverhead- 256 AM MDT Sat Oct 11 2025 .TODAY... * Sky/Weather.........Partly cloudy. Chance of rain showers and slight chance of thunderstorms. * Max Temperature.....55-65 valleys and 50-55 ridges. * Min Humidity........45-55 percent valleys and 56-66 percent ridges. * 20-Foot Winds....... * Lower Elevation......Southwest 5-15 mph. * Ridge Top............Southwest 5-15 mph. * Mixing Height.......1-2 kft agl until 1000, then 4 kft agl until 1200, then 6 kft agl until 1700, then 4 kft agl. * Transport Winds.....Southwest 15 mph. * Chance Lightning....25 percent in the Deerlodge/West Beaverhead...and 30 percent in the East Beaverhead. * CWR (> 0.10 Inch)...10 percent in the Deerlodge/West Beaverhead...and 50 percent in the East Beaverhead. .TONIGHT... * Sky/Weather.........Mostly cloudy. Rain showers and slight chance of thunderstorms in the evening. Chance of snow. Chance of rain after midnight. Snow level 6500 feet. * Min Temperature.....18-28 valleys and 25-30 ridges. * Max Humidity........94-100 percent valleys and 81-91 percent ridges. * 20-Foot Winds....... * Lower Elevation......West 10-20 mph. * Ridge Top............West 10-20 mph. * Mixing Height.......1-2 kft agl until 0300, then below 500 ft to 1 kft agl. * Transport Winds.....West 15 mph. * Chance Lightning....Near 0 percent in the Deerlodge/West Beaverhead...and 20 percent in the East Beaverhead. * CWR (> 0.10 Inch)...20 percent in the Deerlodge/West Beaverhead...and 70 percent in the East Beaverhead. .SUNDAY... * Sky/Weather.........Mostly cloudy. Chance of snow. Chance of rain in the afternoon. Snow level 5500 feet. * Max Temperature.....45-50 valleys and 35-40 ridges. * Min Humidity........42-52 percent valleys and 51-61 percent ridges. * 20-Foot Winds....... * Lower Elevation......Southwest 10-20 mph. * Ridge Top............Southwest 10-20 mph. * Mixing Height.......3 kft agl until 1000, then 4 kft agl until 1200, then 7 kft agl until 1700, then 5 kft agl. * Transport Winds.....West 15 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...10 percent. .COLUMBUS DAY...Mostly cloudy with chance of snow. Chance of snow 30 percent. Lows 25-35. Highs 40-50. Min humidities 45-55 percent. East winds 10-20 mph. .TUESDAY...Mostly cloudy with chance of rain and snow. Chance of precipitation 30 percent. Lows 25-35. Highs 45-55. Min humidities 55-65 percent. East winds 10-15 mph. .WEDNESDAY...Mostly cloudy with chance of rain and snow. Chance of precipitation 40 percent. Lows 30-40. Highs 45-55. Northeast winds 5-10 mph. .THURSDAY...Mostly cloudy with chance of rain and snow. Chance of precipitation 50 percent. Lows 30-40. Highs 45-55. .FRIDAY...Partly cloudy with chance of rain and snow. Chance of precipitation 30 percent. Lows 30-40. Highs 40-50. $$