


Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Missoula, MT
Issued by NWS Missoula, MT
379 FNUS55 KMSO 090904 FWFMSO Fire Weather Planning Forecast for Wrn Montana and N Cntrl Idaho National Weather Service Missoula MT 304 AM MDT Thu Oct 9 2025 .DISCUSSION... Idaho (Zones 102 and 103): Unseasonable warm temperatures will continue today under high pressure, with light south-southeast winds this afternoon. Humidity will trend higher Friday as moisture and cloud cover increases aloft and scattered showers develop in the afternoon. Shower activity will become widespread Friday evening with wetting precipitation through the weekend. Northwest MT (Zones 104 and 105): Unseasonable warm temperatures will continue today under high pressure, with east-southeast winds this afternoon. Gusts of 10-15 mph will develop along the divide and along ridgetops. Shower activity will return Friday evening with widespread wetting precipitation through the weekend. Much colder temperatures are expected by early next week as a cold front moves across the divide from Canada. West Central MT (Zones 106, 107 and 108): Unseasonable warm temperatures will continue today under high pressure, with east- southeast winds this afternoon. Gusts of 10-15 mph will develop along the divide and along ridgetops. Shower activity will return Friday evening with widespread wetting precipitation through the weekend. Southwest MT (Zones 109, 110 and 111): Unseasonable warm temperatures will continue today under high pressure. Southerly winds will develop east of the divide this afternoon, with gusts of 15-20 mph. Winds will trend higher east of the divide Friday, with gusts of 20-30 mph as a Pacific system and cold front approaches from the west. Shower activity will return Friday evening with widespread wetting precipitation through the weekend. View Weather Briefing videos on our YouTube channel at https://www.youtube.com/NWSMissoula IDZ102-103-100915- Palouse/Hells Canyon-Clearwater/Nez Perce- 204 AM PDT Thu Oct 9 2025 .TODAY... * Sky/Weather.........Partly cloudy. * Max Temperature.....78-88 valleys and 65-75 ridges. * Min Humidity........19-29 percent. * 20-Foot Winds....... * Lower Elevation......Calm to becoming upslope/upvalley 4-8 mph in the afternoon. * Ridge Top............Southeast 5-15 mph. * Mixing Height.......3 kft agl until 1200. 7 kft agl after 1400. * Transport Winds.....Southeast 15 mph until 1400, then south 15 mph. * Chance Lightning....Near 0 percent in the Palouse/Hells Canyon...and 0 percent in the Clearwater/Nez Perce. * CWR (> 0.10 Inch)...0 percent. .TONIGHT... * Sky/Weather.........Partly cloudy. * Min Temperature.....45-55. * Max Humidity........65-75 percent valleys and 50-60 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.....Variable less than 10 mph until 1900. 15 mph after 0500. * Chance Lightning....0 percent in the Palouse/Hells Canyon...and near 0 percent in the Clearwater/Nez Perce. * CWR (> 0.10 Inch)...0 percent. .FRIDAY... * Sky/Weather.........Partly cloudy. Slight chance of rain. * Max Temperature.....80-85 valleys and 65-70 ridges. * Min Humidity........25-35 percent. * 20-Foot Winds....... * Lower Elevation......South 5-15 mph. * Ridge Top............South 5-15 mph. * Mixing Height.......3 kft agl until 1100, then 6 kft agl until 1300, then 8 kft agl until 1700, then 5 kft agl. * Transport Winds.....South 15 mph until 1400, then southwest 20 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...10 percent. .SATURDAY...Much cooler. Mostly cloudy with rain likely. Chance of rain 70 percent. Lows 40-50. Highs 50-60. Min humidities 50-60 percent. West winds 5-10 mph. .SUNDAY...Mostly cloudy with rain and snow. Chance of precipitation 90 percent. Lows 35-45. Highs 45-55. Min humidities 50-60 percent. Southwest winds 5-15 mph. .COLUMBUS DAY...Mostly cloudy with chance of rain and snow. Chance of precipitation 50 percent. Lows 35-45. Highs 50-60. East winds 5-10 mph. .TUESDAY...Partly cloudy with chance of snow and slight chance of rain. Chance of precipitation 30 percent. Lows 30-40. Highs 50-60. .WEDNESDAY...Partly cloudy with chance of rain and snow. Chance of precipitation 30 percent. Lows 35-45. Highs 45-55. $$ MTZ104-105-100915- Kootenai-Flathead/Glacier Park- 304 AM MDT Thu Oct 9 2025 .TODAY... * Sky/Weather.........Mostly sunny. * Max Temperature.....70-80 valleys and 50-60 ridges. * Min Humidity........23-33 percent valleys and 36-46 percent ridges. * 20-Foot Winds....... * Lower Elevation......East 10-15 mph. * Ridge Top............East 10-15 mph. * Mixing Height.......3 kft agl until 1200. 5 kft agl after 1500. * Transport Winds.....East 15 mph. * Chance Lightning....0 percent. * CWR (> 0.10 Inch)...0 percent. .TONIGHT... * Sky/Weather.........Mostly clear. * Min Temperature.....35-45. * Max Humidity........84-94 percent valleys and 57-67 percent ridges. * 20-Foot Winds....... * Lower Elevation......East 10-15 mph. * Ridge Top............East 10-15 mph. * Mixing Height.......Below 500 ft to 1 kft agl. * Transport Winds.....East 15 mph. * Chance Lightning....0 percent. * CWR (> 0.10 Inch)...0 percent. .FRIDAY... * Sky/Weather.........Partly cloudy. * Max Temperature.....75-80 valleys and 60-65 ridges. * Min Humidity........24-34 percent valleys and 32-42 percent ridges. * 20-Foot Winds....... * Lower Elevation......Calm to becoming upslope/upvalley 4-8 mph in the afternoon. * Ridge Top............South 5-15 mph. * Mixing Height.......3 kft agl until 1200, then 5 kft agl until 1400, then 7 kft agl until 1700, then 4 kft agl. * Transport Winds.....Southeast 10 mph until 1200, then south 15 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...0 percent. .SATURDAY...Cooler. Mostly cloudy with chance of rain. Chance of rain 50 percent. Lows 40-50. Highs 50-60. Min humidities 50-60 percent. Southwest winds 10-15 mph. .SUNDAY...Colder. Cloudy with rain and snow. Chance of precipitation 90 percent. Lows 30-40. Highs 35-45. Min humidities 55-65 percent. Southwest winds 10-15 mph. .COLUMBUS DAY...Mostly cloudy with chance of snow. Chance of snow 40 percent. Lows 25-35. Highs 35-45. Northeast winds 10-15 mph. .TUESDAY...Partly cloudy with slight chance of snow. Chance of snow 20 percent. Lows 20-30. Highs 40-50. .WEDNESDAY...Partly cloudy with chance of rain and snow. Chance of precipitation 30 percent. Lows 25-35. Highs 40-50. $$ MTZ106-108-100915- West Lolo-East Lolo- 304 AM MDT Thu Oct 9 2025 .TODAY... * Sky/Weather.........Mostly sunny. * Max Temperature.....70-75 valleys and 60-70 ridges. * Min Humidity........22-32 percent. * 20-Foot Winds....... * Lower Elevation......Calm to variable less than 7 mph. * Ridge Top............East 5-10 mph. * Mixing Height.......3 kft agl until 1300, then 5 kft agl. * Transport Winds.....East 15 mph. * Chance Lightning....0 percent. * CWR (> 0.10 Inch)...0 percent. .TONIGHT... * Sky/Weather.........Mostly clear. * Min Temperature.....33-43 valleys and 40-50 ridges. * Max Humidity........72-82 percent valleys and 53-63 percent ridges. * 20-Foot Winds....... * Lower Elevation......East 5-10 mph. * Ridge Top............East 10-15 mph. * Mixing Height.......Below 500 ft to 1 kft agl. * Transport Winds.....East 10 mph. * Chance Lightning....0 percent. * CWR (> 0.10 Inch)...0 percent. .FRIDAY... * Sky/Weather.........Partly cloudy. Slight chance of rain. * Max Temperature.....65-75. * Min Humidity........26-36 percent. * 20-Foot Winds....... * Lower Elevation......Calm to variable less than 7 mph. * Ridge Top............Southeast 5-10 mph. * Mixing Height.......3 kft agl until 1200, then 4 kft agl until 1300, then 6 kft agl until 1400, then 8 kft agl until 1700, then 5 kft agl. * Transport Winds.....Southeast 15 mph until 1400, then south 15 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...0 percent. .SATURDAY...Cooler. Mostly cloudy with rain likely. Chance of rain 60 percent. Lows 40-50. Highs 55-65. Min humidities 45-55 percent. Southwest winds 5-10 mph. .SUNDAY...Colder. Mostly cloudy with rain and snow. Chance of precipitation 80 percent. Lows 35-45. Highs 40-50. Min humidities 45-55 percent. Southwest winds 5-15 mph. .COLUMBUS DAY...Mostly cloudy with chance of snow and rain likely. Chance of precipitation 60 percent. Lows 25-35. Highs 40-50. East winds 10-15 mph. .TUESDAY...Partly cloudy with chance of snow and slight chance of rain. Chance of precipitation 30 percent. Lows 25-35. Highs 45-55. .WEDNESDAY...Mostly cloudy with chance of rain and snow. Chance of precipitation 40 percent. Lows 30-40. Highs 45-55. $$ MTZ107-100915- Flathead Reservation- 304 AM MDT Thu Oct 9 2025 .TODAY... * Sky/Weather.........Mostly sunny. * Max Temperature.....70-75 valleys and 55-60 ridges. * Min Humidity........26-36 percent. * 20-Foot Winds....... * Lower Elevation......Calm to variable less than 7 mph. * Ridge Top............Southeast 5-15 mph becoming 5-10 mph in the afternoon. * Mixing Height.......3 kft agl until 1300, then 4 kft agl. * Transport Winds.....East 10 mph. * Chance Lightning....0 percent. * CWR (> 0.10 Inch)...0 percent. .TONIGHT... * Sky/Weather.........Mostly clear. * Min Temperature.....40-50. * Max Humidity........76-86 percent valleys and 54-64 percent ridges. * 20-Foot Winds....... * Lower Elevation......Downslope/downvalley 2-5 mph. * Ridge Top............Southeast 10-20 mph. * Mixing Height.......Below 500 ft to 1 kft agl. * Transport Winds.....East 10 mph. * Chance Lightning....0 percent. * CWR (> 0.10 Inch)...0 percent. .FRIDAY... * Sky/Weather.........Mostly sunny. * Max Temperature.....75-80 valleys and 55-60 ridges. * Min Humidity........32-42 percent. * 20-Foot Winds....... * Lower Elevation......Calm to becoming upslope/upvalley 4-8 mph in the afternoon. * Ridge Top............South 10-20 mph. * Mixing Height.......2 kft agl until 1200, then 4 kft agl until 1400, then 6 kft agl until 1700, then 4 kft agl. * Transport Winds.....Variable less than 10 mph until 1100, then south 15 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...0 percent. .SATURDAY...Cooler. Mostly cloudy with chance of rain. Chance of rain 50 percent. Lows 45-55. Highs 55-65. Min humidities 45-55 percent. Southwest winds 10-15 mph. .SUNDAY...Cooler. Mostly cloudy with rain and snow. Chance of precipitation 90 percent. Lows 35-45. Highs 45-55. Min humidities 50-60 percent. Southwest winds 5-15 mph. .COLUMBUS DAY...Mostly cloudy with snow and rain likely. Chance of precipitation 60 percent. Lows 30-40. Highs 40-50. Northeast winds 5-15 mph. .TUESDAY...Partly cloudy with slight chance of rain and snow. Chance of precipitation 20 percent. Lows 25-35. Highs 45-55. .WEDNESDAY...Partly cloudy with chance of rain and snow. Chance of precipitation 30 percent. Lows 30-40. Highs 45-55. $$ MTZ109-100915- Bitterroot- 304 AM MDT Thu Oct 9 2025 .TODAY... * Sky/Weather.........Partly cloudy. * Max Temperature.....75-80 valleys and 60-65 ridges. * Min Humidity........19-29 percent. * 20-Foot Winds....... * Lower Elevation......Calm to variable less than 7 mph. * Ridge Top............Southeast 5-10 mph. * Mixing Height.......3 kft agl until 1200. 7 kft agl after 1400. * Transport Winds.....Southeast 15 mph. * Chance Lightning....0 percent. * CWR (> 0.10 Inch)...0 percent. .TONIGHT... * Sky/Weather.........Mostly clear. * Min Temperature.....35-45 valleys and 45-50 ridges. * Max Humidity........69-79 percent valleys and 53-63 percent ridges. * 20-Foot Winds....... * Lower Elevation......Southeast 5-15 mph. * Ridge Top............Southeast 5-15 mph. * Mixing Height.......1-2 kft agl. * Transport Winds.....Southeast 10 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...0 percent. .FRIDAY... * Sky/Weather.........Mostly sunny. * Max Temperature.....75-80 valleys and 60-70 ridges. * Min Humidity........30-40 percent. * 20-Foot Winds....... * Lower Elevation......South 5-15 mph. * Ridge Top............South 5-15 mph. * Mixing Height.......3 kft agl until 1100, then 5 kft agl until 1300, then 8 kft agl until 1700, then 5 kft agl. * Transport Winds.....South 15 mph until 1300, then 20 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...0 percent. .SATURDAY...Cooler. Mostly cloudy with rain likely. Chance of rain 70 percent. Lows 40-50. Highs 50-60. Min humidities 50-60 percent. Southwest winds 5-10 mph. .SUNDAY...Colder. Mostly cloudy with snow and rain. Chance of precipitation 80 percent. Lows 30-40. Highs 40-50. Min humidities 45-55 percent. West winds 5-15 mph. .COLUMBUS DAY...Mostly cloudy with chance of snow and rain. Chance of precipitation 50 percent. Lows 30-40. Highs 45-55. East winds 5-10 mph. .TUESDAY...Partly cloudy with chance of rain and snow. Chance of precipitation 30 percent. Lows 25-35. Highs 45-55. .WEDNESDAY...Mostly cloudy with chance of rain and snow. Chance of precipitation 40 percent. Lows 30-40. Highs 40-50. $$ MTZ110-111-100915- Deerlodge/West Beaverhead-East Beaverhead- 304 AM MDT Thu Oct 9 2025 .TODAY... * Sky/Weather.........Partly cloudy. * Max Temperature.....70-75 valleys and 60-65 ridges. * Min Humidity........16-26 percent. * 20-Foot Winds....... * Lower Elevation......Southeast 10-20 mph. * Ridge Top............Southeast 10-20 mph. * Mixing Height.......3 kft agl until 1200. 8 kft agl after 1400. * Transport Winds.....Southeast 10 mph until 1200, then south 20 mph. * Chance Lightning....0 percent. * CWR (> 0.10 Inch)...0 percent. .TONIGHT... * Sky/Weather.........Partly cloudy. * Min Temperature.....30-40 valleys and 40-45 ridges. * Max Humidity........73-83 percent valleys and 62-72 percent ridges. * 20-Foot Winds....... * Lower Elevation......Southeast 5-15 mph. * Ridge Top............Southeast 5-15 mph. * Mixing Height.......3 kft agl until 1900, then below 500 ft to 1 kft agl. * Transport Winds.....Southeast 15 mph. * Chance Lightning....Near 0 percent in the Deerlodge/West Beaverhead...and 0 percent in the East Beaverhead. * CWR (> 0.10 Inch)...0 percent. .FRIDAY... * Sky/Weather.........Partly cloudy. Slight chance of rain showers. * Max Temperature.....70-75 valleys and 55-65 ridges. * Min Humidity........27-37 percent valleys and 37-47 percent ridges. * 20-Foot Winds....... * Lower Elevation......South 10-20 mph. * Ridge Top............South 10-20 mph. * Mixing Height.......2 kft agl until 1100, then 5 kft agl until 1300, then 7 kft agl until 1700, then 5 kft agl. * Transport Winds.....South 15 mph until 1200, then 20 mph. * Chance Lightning....Near 0 percent in the Deerlodge/West Beaverhead...and 15 percent in the East Beaverhead. * CWR (> 0.10 Inch)...0 percent. .SATURDAY...Cooler. Partly cloudy with rain and slight chance of thunderstorms. Chance of precipitation 80 percent. Lows 45-55. Highs 55-65. Min humidities 45-55 percent. South winds 10-20 mph. .SUNDAY...Colder. Mostly cloudy with snow and rain likely. Chance of precipitation 70 percent. Lows 30-40. Highs 40-50. Min humidities 35-45 percent. Southwest winds 5-15 mph. .COLUMBUS DAY...Mostly cloudy with chance of snow. Chance of snow 30 percent. Lows 25-35. Highs 40-50. Southeast winds 5-15 mph. .TUESDAY...Mostly cloudy with slight chance of rain and snow. Chance of precipitation 20 percent. Lows 25-35. Highs 45-55. .WEDNESDAY...Mostly cloudy with chance of rain and snow. Chance of precipitation 30 percent. Lows 25-35. Highs 40-50. $$