


Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Missoula, MT
Issued by NWS Missoula, MT
393 FNUS55 KMSO 120903 FWFMSO Fire Weather Planning Forecast for Wrn Montana and N Cntrl Idaho National Weather Service Missoula MT 303 AM MDT Sun Oct 12 2025 .DISCUSSION... Idaho (Zones 102 and 103): A cold airmass is moving into the region today, changing rain showers over to snow by tonight above around 4500 feet. High humidity will persist. Widespread rain and snow, cold temperatures, and easterly winds are expected on Monday. Northwest MT (Zones 104 and 105): Rain is changing to snow this morning, accompanied by gusty north to easterly winds and falling temperatures. Widespread snow will continue through Monday. East winds will increase on Monday and become particularly gusty in the mountains and gaps. West Central MT (Zones 106, 107 and 108): Rain showers will transition to all snow tonight as much colder air filters into the region. Widespread snow, cold temperatures, and high humidity will continue through Monday. East winds will increase on Monday and become particularly gusty in the mountains and gaps. Southwest MT (Zones 109, 110 and 111): Scattered rain showers today will change over to snow from the afternoon into the evening hours. Widespread snow will continue through Monday, along with cold temperatures and east winds. View Weather Briefing videos on our YouTube channel at https://www.youtube.com/NWSMissoula IDZ102-103-130915- Palouse/Hells Canyon-Clearwater/Nez Perce- 203 AM PDT Sun Oct 12 2025 .TODAY... * Sky/Weather.........Mostly cloudy. Rain and snow. Snow level 5000 feet. * Max Temperature.....48-58 valleys and 35-40 ridges. * Min Humidity........67-77 percent valleys and 77-87 percent ridges. * 20-Foot Winds....... * Lower Elevation......Southwest 5-15 mph. * Ridge Top............Southwest 5-15 mph. * Mixing Height.......4 kft agl. * Transport Winds.....Southwest 15 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...80 percent. .TONIGHT... * Sky/Weather.........Mostly cloudy. Rain and snow likely. Snow level 5000 feet. * Min Temperature.....28-38. * Max Humidity........87-97 percent valleys and 93-100 percent ridges. * 20-Foot Winds....... * Lower Elevation......East 5-15 mph. * Ridge Top............East 5-15 mph. * Mixing Height.......Below 500 ft to 1 kft agl. * Transport Winds.....South 10 mph until 2200. East 10 mph after 0500. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...30 percent. .COLUMBUS DAY... * Sky/Weather.........Mostly cloudy. Snow likely and chance of rain. Snow level 5000 feet. * Max Temperature.....50-60 valleys and 38-48 ridges. * Min Humidity........48-58 percent valleys and 57-67 percent ridges. * 20-Foot Winds....... * Lower Elevation......East 5-15 mph. * Ridge Top............East 5-15 mph. * Mixing Height.......3 kft agl until 1300, then 4 kft agl. * Transport Winds.....East 15 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...10 percent. .TUESDAY...Mostly cloudy with chance of rain and snow. Chance of precipitation 30 percent. Lows 30-40. Highs 50-60. Min humidities 40-50 percent. East winds 10-20 mph. .WEDNESDAY...Mostly cloudy with chance of rain and snow. Patchy fog. Chance of precipitation 30 percent. Lows 35-45. Highs 45-55. Min humidities 50-60 percent. Variable winds up to 10 mph. .THURSDAY...Partly cloudy with chance of rain and snow. Chance of precipitation 30 percent. Lows 35-45. Highs 50-60. Southwest winds 5-10 mph. .FRIDAY...Partly cloudy with chance of rain showers and snow. Chance of precipitation 50 percent. Lows 35-45. Highs 50-60. .SATURDAY...Partly cloudy with chance of rain showers and snow. Chance of precipitation 30 percent. Lows 35-45. Highs 50-60. $$ MTZ104-105-130915- Kootenai-Flathead/Glacier Park- 303 AM MDT Sun Oct 12 2025 .TODAY... * Sky/Weather.........Mostly cloudy. Patchy blowing snow in the morning. Snow and rain. Snow level 3500 feet. * Max Temperature.....40-50 valleys and 30-35 ridges. * Min Humidity........63-73 percent valleys and 73-83 percent ridges. * 20-Foot Winds....... * Lower Elevation......Northeast 10-20 mph. * Ridge Top............North 15-25 mph becoming east 10-15 mph in the afternoon. * Mixing Height.......4 kft agl. * Transport Winds.....North 10 mph until 1000, then east 15 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...80 percent. .TONIGHT... * Sky/Weather.........Cloudy. Patchy blowing snow. Snow. * Min Temperature.....15-25. * Max Humidity........84-94 percent valleys and 74-84 percent ridges. * 20-Foot Winds....... * Lower Elevation......Northeast 20-30 mph. * Ridge Top............East 20-30 mph. * Mixing Height.......2 kft agl. * Transport Winds.....East 20 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...80 percent in the Kootenai...and 60 percent in the Flathead/Glacier Park. .COLUMBUS DAY... * Sky/Weather.........Mostly cloudy. Patchy blowing snow in the morning. Chance of snow. * Max Temperature.....40-45 valleys and 23-33 ridges. * Min Humidity........41-51 percent valleys and 66-76 percent ridges. * 20-Foot Winds....... * Lower Elevation......Northeast 15-25 mph. * Ridge Top............Northeast 15-25 mph. * Mixing Height.......3 kft agl until 1100, then 4 kft agl. * Transport Winds.....East 20 mph. * Chance Lightning....0 percent. * CWR (> 0.10 Inch)...10 percent. .TUESDAY...Partly cloudy with chance of snow. Chance of snow 40 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. Patchy fog. Chance of precipitation 20 percent. Lows 25-35. Highs 45-55. Min humidities 60-70 percent. Northeast winds 5-10 mph. .THURSDAY...Partly cloudy with chance of rain and snow. Patchy fog. Chance of precipitation 30 percent. Lows 30-40. Highs 40-50. West winds 5-10 mph. .FRIDAY...Mostly cloudy with chance of rain and snow. Chance of precipitation 50 percent. Lows 30-40. Highs 40-50. .SATURDAY...Mostly cloudy with chance of rain and snow. Chance of precipitation 30 percent. Lows 30-40. Highs 40-50. $$ MTZ106-108-130915- West Lolo-East Lolo- 303 AM MDT Sun Oct 12 2025 .TODAY... * Sky/Weather.........Mostly cloudy. Patchy blowing snow in the morning. Rain and snow. Snow level 5500 feet. * Max Temperature.....40-50 valleys and 33-43 ridges. * Min Humidity........59-69 percent valleys and 72-82 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 1200, then 4 kft agl. * Transport Winds.....West 15 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...90 percent in the West Lolo...and 70 percent in the East Lolo. .TONIGHT... * Sky/Weather.........Cloudy. Rain in the evening. Snow. Patchy blowing snow after midnight. Snow level 3500 feet. * Min Temperature.....20-30. * Max Humidity........80-90 percent. * 20-Foot Winds....... * Lower Elevation......East 15-25 mph. * Ridge Top............East 10-20 mph increasing to 20-30 mph after midnight. * Mixing Height.......1-2 kft agl. * Transport Winds.....Southeast 10 mph until 2000, then east 15 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...70 percent. .COLUMBUS DAY... * Sky/Weather.........Mostly cloudy. Patchy blowing snow in the morning. Snow likely. * Max Temperature.....35-45 valleys and 28-38 ridges. * Min Humidity........46-56 percent valleys and 62-72 percent ridges. * 20-Foot Winds....... * Lower Elevation......East 15-25 mph. * Ridge Top............East 20-30 mph decreasing to 10-20 mph in the afternoon. * Mixing Height.......3 kft agl until 1200, then 4 kft agl. * Transport Winds.....East 20 mph. * Chance Lightning....0 percent. * CWR (> 0.10 Inch)...10 percent. .TUESDAY...Mostly cloudy with chance of snow. Chance of snow 30 percent. Lows 25-35. Highs 45-55. Min humidities 50-60 percent. East winds 10-20 mph. .WEDNESDAY...Mostly cloudy with chance of rain and snow. Patchy fog. Chance of precipitation 30 percent. Lows 30-40. Highs 45-55. Min humidities 60-70 percent. Northeast winds 5-10 mph. .THURSDAY...Mostly cloudy with chance of rain and snow. Patchy fog. Chance of precipitation 50 percent. Lows 30-40. Highs 45-55. West winds 5-10 mph. .FRIDAY...Mostly cloudy with chance of rain and snow. Chance of precipitation 50 percent. Lows 30-40. Highs 45-55. .SATURDAY...Mostly cloudy with chance of rain and snow. Chance of precipitation 50 percent. Lows 30-40. Highs 45-55. $$ MTZ107-130915- Flathead Reservation- 303 AM MDT Sun Oct 12 2025 .TODAY... * Sky/Weather.........Cloudy. Patchy blowing snow in the morning. Rain and snow. Snow level 5000 feet. * Max Temperature.....45-50 valleys and 30-35 ridges. * Min Humidity........72-82 percent. * 20-Foot Winds....... * Lower Elevation......Calm to variable less than 7 mph. * Ridge Top............Southwest 15-25 mph decreasing to 5-15 mph in the afternoon. * Mixing Height.......3 kft agl. * Transport Winds.....West 10 mph until 1100, then north 10 mph until 1400, then northeast 10 mph until 1500, then southeast 10 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...90 percent. .TONIGHT... * Sky/Weather.........Cloudy. Rain and snow. Patchy blowing snow after midnight. Snow level 3500 feet. * Min Temperature.....25-30 valleys and 15-20 ridges. * Max Humidity........78-88 percent. * 20-Foot Winds....... * Lower Elevation......Northeast 10-20 mph. * Ridge Top............Northeast 20-30 mph. * Mixing Height.......1-2 kft agl. * Transport Winds.....East 15 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...80 percent. .COLUMBUS DAY... * Sky/Weather.........Mostly cloudy. Patchy blowing snow in the morning. Snow likely. Slight chance of rain in the afternoon. * Max Temperature.....45-50 valleys and 25-30 ridges. * Min Humidity........58-68 percent valleys and 68-78 percent ridges. * 20-Foot Winds....... * Lower Elevation......Northeast 20-30 mph. * Ridge Top............East 20-30 mph decreasing to 10-20 mph in the afternoon. * Mixing Height.......3 kft agl until 1200, then 4 kft agl. * Transport Winds.....East 15 mph. * Chance Lightning....0 percent. * CWR (> 0.10 Inch)...0 percent. .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 chance of rain and snow. Patchy fog. Chance of precipitation 30 percent. Lows 30-40. Highs 45-55. Min humidities 60-70 percent. North winds 5-10 mph. .THURSDAY...Mostly cloudy with chance of rain and snow. Patchy fog. Chance of precipitation 40 percent. Lows 35-45. Highs 50-60. Southwest winds 5-10 mph. .FRIDAY...Mostly cloudy with chance of rain and snow. Chance of precipitation 50 percent. Lows 35-45. Highs 50-60. .SATURDAY...Mostly cloudy with chance of rain and snow. Chance of precipitation 50 percent. Lows 30-40. Highs 50-60. $$ MTZ109-130915- Bitterroot- 303 AM MDT Sun Oct 12 2025 .TODAY... * Sky/Weather.........Mostly cloudy. Snow and rain likely. Snow level 5500 feet. * Max Temperature.....50-55 valleys and 35-40 ridges. * Min Humidity........50-60 percent valleys and 63-73 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 1000. 5 kft agl after 1300. * Transport Winds.....Southwest 15 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...50 percent in the Darby, Sula, and West Fork Districts...and 20 percent in areas north of Hamilton. .TONIGHT... * Sky/Weather.........Mostly cloudy. Snow likely and rain. Snow level 5000 feet. * Min Temperature.....25-30. * Max Humidity........81-91 percent. * 20-Foot Winds....... * Lower Elevation......Southeast 5-10 mph becoming east 5-15 mph after midnight. * Ridge Top............Southeast 10-20 mph. * Mixing Height.......1-2 kft agl. * Transport Winds.....Southwest 10 mph until 2200. East 10 mph after 0400. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...40 percent in the Darby, Sula, and West Fork Districts...and 60 percent in areas north of Hamilton. .COLUMBUS DAY... * Sky/Weather.........Mostly cloudy. Chance of snow. * Max Temperature.....45-50 valleys and 35-40 ridges. * Min Humidity........47-57 percent valleys and 60-70 percent ridges. * 20-Foot Winds....... * Lower Elevation......East 10-20 mph. * Ridge Top............East 10-20 mph. * Mixing Height.......3 kft agl until 1400, then 4 kft agl. * Transport Winds.....East 15 mph. * Chance Lightning....0 percent. * CWR (> 0.10 Inch)...10 percent. .TUESDAY...Mostly cloudy with chance of rain and snow. Chance of precipitation 40 percent. Lows 25-35. Highs 45-55. Min humidities 50-60 percent. East winds 10-20 mph. .WEDNESDAY...Mostly cloudy with rain and snow likely. Patchy fog. Chance of precipitation 70 percent. Lows 30-40. Highs 40-50. Min humidities 55-65 percent. Northeast winds 5-10 mph. .THURSDAY...Mostly cloudy with rain and snow likely. Chance of precipitation 70 percent. Lows 30-40. Highs 40-50. West winds 5-10 mph. .FRIDAY...Partly cloudy with chance of rain and snow. Chance of precipitation 50 percent. Lows 30-40. Highs 45-55. .SATURDAY...Partly cloudy with chance of snow and rain. Chance of precipitation 50 percent. Lows 30-40. Highs 45-55. $$ MTZ110-111-130915- Deerlodge/West Beaverhead-East Beaverhead- 303 AM MDT Sun Oct 12 2025 .TODAY... * Sky/Weather.........Partly cloudy. Chance of snow and chance of rain. Snow level 6000 feet. * Max Temperature.....45-55 valleys and 35-40 ridges. * Min Humidity........43-53 percent valleys and 53-63 percent ridges. * 20-Foot Winds....... * Lower Elevation......Southwest 10-20 mph. * Ridge Top............Southwest 10-20 mph. * Mixing Height.......2 kft agl until 1000. 7 kft agl after 1200. * Transport Winds.....Southwest 15 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...10 percent. .TONIGHT... * Sky/Weather.........Mostly cloudy. Snow and chance of rain. Snow level 5500 feet. * Min Temperature.....20-30. * Max Humidity........100 percent valleys and 82-92 percent ridges. * 20-Foot Winds....... * Lower Elevation......South 10-20 mph becoming northeast 5-15 mph after midnight. * Ridge Top............South 10-20 mph. * Mixing Height.......3 kft agl until 2000, then below 500 ft to 1 kft agl. * Transport Winds.....South 15 mph until 0100, then southeast 15 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...50 percent in the Deerlodge/West Beaverhead...and 10 percent in the East Beaverhead. .COLUMBUS DAY... * Sky/Weather.........Mostly cloudy. Chance of snow. * Max Temperature.....40-50 valleys and 33-43 ridges. * Min Humidity........49-59 percent. * 20-Foot Winds....... * Lower Elevation......East 10-20 mph. * Ridge Top............East 10-20 mph. * Mixing Height.......3 kft agl until 1200, then 5 kft agl until 1700, then 3 kft agl. * Transport Winds.....East 15 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...0 percent. .TUESDAY...Mostly 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...Mostly cloudy with rain and snow likely. Chance of precipitation 70 percent. Lows 30-40. Highs 40-50. Min humidities 65-75 percent. East winds 10-15 mph. .THURSDAY...Mostly cloudy with snow and rain likely. Chance of precipitation 70 percent. Lows 30-40. Highs 40-50. West winds 5-15 mph. .FRIDAY...Partly cloudy with chance of snow and rain. Chance of precipitation 30 percent. Lows 25-35. Highs 45-55. .SATURDAY...Partly cloudy with chance of snow and rain. Chance of precipitation 30 percent. Lows 25-35. Highs 40-50. $$