


Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Missoula, MT
Issued by NWS Missoula, MT
157 FNUS55 KMSO 170709 FWFMSO Fire Weather Planning Forecast for Wrn Montana and N Cntrl Idaho National Weather Service Missoula MT 109 AM MDT Fri Oct 17 2025 .DISCUSSION... Idaho (Zones 102 and 103): Westerly winds pick up today along with a chance of showers in the afternoon and evening. Overall precipitation amounts will be light. Seasonable temperatures but drier for Saturday. Widespread rain/snow and cooler weather are expected to return on Sunday. Northwest MT (Zones 104 and 105): Westerly winds pick up today along with a chance of showers in the afternoon and evening. Overall precipitation amounts will be light but several tenths are forecast closer to the Divide. Seasonable temperatures but drier for Saturday. Widespread rain/snow and cooler weather are expected to return on Sunday. West Central MT (Zones 106, 107 and 108): Westerly winds pick up today along with a chance of showers in the afternoon and evening. Overall precipitation amounts will be light. Seasonable temperatures but drier for Saturday. Widespread rain/snow and cooler weather are expected to return on Sunday. Southwest MT (Zones 109, 110 and 111): Southwesterly winds pick up today along with a chance of showers in the late afternoon and evening. Overall precipitation amounts will be light. Seasonable temperatures but drier for Saturday. Widespread rain/snow and cooler weather are expected to return on Sunday. IDZ102-103-180715- Palouse/Hells Canyon-Clearwater/Nez Perce- 1209 AM PDT Fri Oct 17 2025 .TODAY... * Sky/Weather.........Partly cloudy. Chance of showers this afternoon. Snow level 7000 feet. * Max Temperature.....58-68 valleys and 43-53 ridges. * Min Humidity........40-50 percent valleys and 49-59 percent ridges. * 20-Foot Winds....... * Lower Elevation......West 10-20 mph. * Ridge Top............West 10-20 mph. * Mixing Height.......1-2 kft agl until 1100. 6 kft agl after 1300. * Transport Winds.....Southwest 15 mph until 1300, then west 25 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...less than 10 percent. .TONIGHT... * Sky/Weather.........Partly cloudy. Chance of rain showers and snow showers. Snow level 5500 feet. * Min Temperature.....25-35. * Max Humidity........71-81 percent. * 20-Foot Winds....... * Lower Elevation......West 5-15 mph in the evening becoming downslope/downvalley 2-5 mph. * Ridge Top............West 10-20 mph. * Mixing Height.......5 kft agl until 1900, then below 500 ft to 1 kft agl. * Transport Winds.....West 20 mph until 2300, then 10 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...0 percent in the Palouse/Hells Canyon...and 20 percent in the Clearwater/Nez Perce. .SATURDAY... * Sky/Weather.........Partly cloudy. * Max Temperature.....60-70 valleys and 45-55 ridges. * Min Humidity........26-36 percent. * 20-Foot Winds....... * Lower Elevation......Calm to variable less than 7 mph. * Ridge Top............South 5-10 mph. * Mixing Height.......3 kft agl until 1200, then 4 kft agl. * Transport Winds.....South 10 mph. * Chance Lightning....0 percent. * CWR (> 0.10 Inch)...0 percent. .SUNDAY...Mostly cloudy with rain showers. Chance of showers 90 percent. Lows 40-50. Highs 50-60. Min humidities 35-45 percent. South winds 10-20 mph. .MONDAY...Mostly cloudy with snow showers and chance of rain showers. Chance of precipitation 90 percent. Lows 35-45. Highs 50-60. Min humidities 35-45 percent. Southwest winds 10-20 mph. .TUESDAY...Partly cloudy. Lows 35-45. Highs 50-60. South winds 5-10 mph. .WEDNESDAY...Partly cloudy with slight chance of rain showers and snow showers. Chance of precipitation 20 percent. Lows 35-45. Highs 55-65. .THURSDAY...Partly cloudy with slight chance of rain showers. Chance of showers 20 percent. Lows 40-50. Highs 55-65. $$ MTZ104-105-180715- Kootenai-Flathead/Glacier Park- 109 AM MDT Fri Oct 17 2025 .TODAY... * Sky/Weather.........Partly cloudy. Chance of snow showers in the afternoon. Snow level 5500 feet. * Max Temperature.....50-60 valleys and 35-45 ridges. * Min Humidity........47-57 percent valleys and 63-73 percent ridges. * 20-Foot Winds....... * Lower Elevation......West 10-20 mph. * Ridge Top............West 15-25 mph. * Mixing Height.......3 kft agl until 1100. 6 kft agl after 1500. * Transport Winds.....Southwest 20 mph until 1300, then west 25 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...10 percent in the Kootenai...and 40 percent in the Flathead/Glacier Park. .TONIGHT... * Sky/Weather.........Partly cloudy. Chance of rain showers and snow showers. Snow level 4000 feet. * Min Temperature.....20-30. * Max Humidity........90-100 percent valleys and 68-78 percent ridges. * 20-Foot Winds....... * Lower Elevation......Northwest 5-10 mph in the evening becoming downslope/downvalley 2-5 mph. * Ridge Top............West 10-20 mph. * Mixing Height.......1-2 kft agl until 2100, then below 500 ft to 1 kft agl. * Transport Winds.....Northwest 20 mph until 2100, then west 10 mph. * Chance Lightning....Near 0 percent in the Kootenai...and 15 percent in the Flathead/Glacier Park. * CWR (> 0.10 Inch)...0 percent in the Kootenai...and 30 percent in the Flathead/Glacier Park. .SATURDAY... * Sky/Weather.........Partly cloudy. * Max Temperature.....50-60 valleys and 33-43 ridges. * Min Humidity........31-41 percent valleys and 45-55 percent ridges. * 20-Foot Winds....... * Lower Elevation......Southwest 10-15 mph. * Ridge Top............Southwest 10-15 mph. * Mixing Height.......2 kft agl until 1100, then 4 kft agl until 1400, then 5 kft agl until 1700, then 3 kft agl. * Transport Winds.....Southwest 10 mph until 1200, then 15 mph. * Chance Lightning....0 percent. * CWR (> 0.10 Inch)...0 percent. .SUNDAY...Mostly cloudy with rain showers and snow showers. Chance of precipitation 90 percent. Lows 35-45. Highs 40-50. Min humidities 50-60 percent. Southwest winds 15-25 mph. .MONDAY...Mostly cloudy with chance of rain showers and snow showers. Chance of precipitation 40 percent. Lows 30-40. Highs 40-50. Min humidities 50-60 percent. Southwest winds 15-25 mph. .TUESDAY...Partly cloudy with slight chance of rain showers and snow showers. Chance of precipitation 20 percent. Lows 30-40. Highs 45-55. Southwest winds 10-15 mph. .WEDNESDAY...Partly cloudy with slight chance of rain showers and snow showers. Chance of precipitation 20 percent. Lows 30-40. Highs 45-55. .THURSDAY...Partly cloudy with chance of rain showers and slight chance of snow showers. Chance of precipitation 30 percent. Lows 35-45. Highs 50-60. $$ MTZ106-108-180715- West Lolo-East Lolo- 109 AM MDT Fri Oct 17 2025 .TODAY... * Sky/Weather.........Partly cloudy. Chance of showers in the afternoon. Snow level 6000 feet. * Max Temperature.....43-53. * Min Humidity........45-55 percent valleys and 51-61 percent ridges. * 20-Foot Winds....... * Lower Elevation......West 10-20 mph. * Ridge Top............West 10-20 mph. * Mixing Height.......2 kft agl until 1100. 6 kft agl after 1300. * Transport Winds.....Southwest 15 mph until 1100. West 30 mph after 1400. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...20 percent in the West Lolo...and 0 percent in the East Lolo. .TONIGHT... * Sky/Weather.........Partly cloudy. Chance of rain showers and snow showers. Snow level 5000 feet. * Min Temperature.....20-30. * Max Humidity........74-84 percent. * 20-Foot Winds....... * Lower Elevation......West 5-15 mph in the evening becoming downslope/downvalley 2-5 mph. * Ridge Top............West 10-20 mph. * Mixing Height.......3 kft agl until 2100, then below 500 ft to 1 kft agl. * Transport Winds.....West 25 mph until 2000, then 15 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...10 percent in the West Lolo...and 40 percent in the East Lolo. .SATURDAY... * Sky/Weather.........Partly cloudy. * Max Temperature.....50-60 valleys and 43-53 ridges. * Min Humidity........27-37 percent valleys and 36-46 percent ridges. * 20-Foot Winds....... * Lower Elevation......Calm to variable less than 7 mph. * Ridge Top............Southwest 5-10 mph. * Mixing Height.......2 kft agl until 1100, then 4 kft agl until 1400, then 5 kft agl until 1700, then 3 kft agl. * Transport Winds.....Southwest 10 mph until 1400, then 15 mph. * Chance Lightning....0 percent. * CWR (> 0.10 Inch)...0 percent. .SUNDAY...Mostly cloudy with rain showers. Chance of showers 90 percent. Lows 35-45. Highs 45-55. Min humidities 40-50 percent. Southwest winds 10-20 mph. .MONDAY...Mostly cloudy with rain showers and chance of snow showers. Chance of precipitation 90 percent. Lows 35-45. Highs 45-55. Min humidities 35-45 percent. Southwest winds 10-20 mph. .TUESDAY...Partly cloudy. Lows 30-40. Highs 50-60. Southwest winds 5-10 mph. .WEDNESDAY...Partly cloudy with slight chance of rain showers and snow showers. Chance of precipitation 20 percent. Lows 30-40. Highs 50-60. .THURSDAY...Partly cloudy with slight chance of rain showers. Chance of showers 20 percent. Lows 35-45. Highs 55-65. $$ MTZ107-180715- Flathead Reservation- 109 AM MDT Fri Oct 17 2025 .TODAY... * Sky/Weather.........Partly cloudy. Chance of showers in the afternoon. Snow level 6000 feet. * Max Temperature.....55-60 valleys and 35-40 ridges. * Min Humidity........52-62 percent valleys and 71-81 percent ridges. * 20-Foot Winds....... * Lower Elevation......Southwest 10-20 mph. * Ridge Top............West 10-20 mph in the morning. * Mixing Height.......2 kft agl until 1100. 6 kft agl after 1300. * Transport Winds.....Southwest 15 mph until 1200, then west 25 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...20 percent in areas west of Highway 93...and 40 percent in the Mission Mtns and areas east of Highway 93. .TONIGHT... * Sky/Weather.........Partly cloudy. Chance of rain showers and snow showers. Snow level 4500 feet. * Min Temperature.....25-30. * Max Humidity........74-84 percent. * 20-Foot Winds....... * Lower Elevation......West 5-15 mph in the evening becoming downslope/downvalley 2-5 mph. * Ridge Top............West 10-20 mph. * Mixing Height.......2 kft agl until 2100, then below 500 ft to 1 kft agl. * Transport Winds.....West 20 mph until 2100, then 10 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...10 percent in areas west of Highway 93...and 60 percent in the Mission Mtns and areas east of Highway 93. .SATURDAY... * Sky/Weather.........Partly cloudy. * Max Temperature.....55-60 valleys and 35-40 ridges. * Min Humidity........40-50 percent valleys and 47-57 percent ridges. * 20-Foot Winds....... * Lower Elevation......Calm to variable less than 7 mph. * Ridge Top............Southwest 5-10 mph. * Mixing Height.......3 kft agl until 1200, then 5 kft agl until 1700, then 3 kft agl. * Transport Winds.....Southwest 10 mph. * Chance Lightning....0 percent. * CWR (> 0.10 Inch)...0 percent. .SUNDAY...Cloudy with rain showers. Chance of showers 90 percent. Lows 40-50. Highs 45-55. Min humidities 45-55 percent. South winds 10-20 mph. .MONDAY...Mostly cloudy with rain showers and snow showers. Chance of precipitation 80 percent. Lows 35-45. Highs 45-55. Min humidities 40-50 percent. Southwest winds 10-20 mph. .TUESDAY...Partly cloudy with slight chance of rain showers. Chance of showers 20 percent. Lows 30-40. Highs 50-60. Southwest winds 5-10 mph. .WEDNESDAY...Partly cloudy with slight chance of rain showers and snow showers. Chance of precipitation 20 percent. Lows 35-45. Highs 50-60. .THURSDAY...Mostly cloudy with slight chance of rain showers. Chance of showers 20 percent. Lows 35-45. Highs 55-65. $$ MTZ109-180715- Bitterroot- 109 AM MDT Fri Oct 17 2025 .TODAY... * Sky/Weather.........Partly cloudy. Chance of showers in the afternoon. Snow level 7000 feet. * Max Temperature.....60-65 valleys and 45-50 ridges. * Min Humidity........36-46 percent valleys and 45-55 percent ridges. * 20-Foot Winds....... * Lower Elevation......Southwest 10-20 mph. * Ridge Top............Southwest 10-20 mph. * Mixing Height.......2 kft agl until 1100. 6 kft agl after 1300. * Transport Winds.....Southwest 15 mph until 1200. West 30 mph after 1500. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...less than 10 percent. .TONIGHT... * Sky/Weather.........Partly cloudy. Chance of rain showers and snow showers. Snow level 5500 feet. * Min Temperature.....25-30. * Max Humidity........86-96 percent valleys and 75-85 percent ridges. * 20-Foot Winds....... * Lower Elevation......West 10-15 mph becoming south after midnight. * Ridge Top............West 10-20 mph. * Mixing Height.......3 kft agl until 2100, then 1-2 kft agl. * Transport Winds.....West 25 mph until 2000. 10 mph after 0300. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...30 percent. .SATURDAY... * Sky/Weather.........Partly cloudy. * Max Temperature.....60-65 valleys and 45-50 ridges. * Min Humidity........25-35 percent. * 20-Foot Winds....... * Lower Elevation......Calm to variable less than 7 mph. * Ridge Top............Southwest 5-10 mph. * Mixing Height.......2 kft agl until 1100, then 5 kft agl until 1700, then 3 kft agl. * Transport Winds.....Southwest 10 mph until 1500, then 15 mph. * Chance Lightning....0 percent. * CWR (> 0.10 Inch)...0 percent. .SUNDAY...Mostly cloudy with rain showers and snow showers. Chance of precipitation 90 percent. Lows 35-45. Highs 45-55. Min humidities 40-50 percent. Southwest winds 10-20 mph. .MONDAY...Mostly cloudy with snow showers and rain showers likely. Chance of precipitation 70 percent. Lows 30-40. Highs 40-50. Min humidities 35-45 percent. Southwest winds 10-20 mph. .TUESDAY...Partly cloudy. Lows 30-40. Highs 50-60. Southwest winds 5-10 mph. .WEDNESDAY...Partly cloudy with slight chance of rain showers and snow showers. Chance of precipitation 20 percent. Lows 30-40. Highs 45-55. .THURSDAY...Partly cloudy with slight chance of rain showers and snow showers. Chance of precipitation 20 percent. Lows 35-45. Highs 55-65. $$ MTZ110-111-180715- Deerlodge/West Beaverhead-East Beaverhead- 109 AM MDT Fri Oct 17 2025 .TODAY... * Sky/Weather.........Partly cloudy. Slight chance of showers in the afternoon. * Max Temperature.....50-60 valleys and 40-50 ridges. * Min Humidity........31-41 percent valleys and 41-51 percent ridges. * 20-Foot Winds....... * Lower Elevation......Southwest 15-25 mph. * Ridge Top............Southwest 15-25 mph. * Mixing Height.......1-2 kft agl until 1100. 7 kft agl after 1500. * Transport Winds.....Southwest 15 mph until 1200. West 30 mph after 1500. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...0 percent. .TONIGHT... * Sky/Weather.........Partly cloudy. Chance of snow showers and slight chance of rain showers. Snow level 6000 feet. * Min Temperature.....20-30. * Max Humidity........88-98 percent valleys and 74-84 percent ridges. * 20-Foot Winds....... * Lower Elevation......West 15-25 mph. * Ridge Top............West 15-25 mph. * Mixing Height.......3 kft agl until 2000, then below 500 ft to 1 kft agl. * Transport Winds.....West 25 mph until 0100, then northwest 15 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...20 percent in the Deerlodge/West Beaverhead...and 0 percent in the East Beaverhead. .SATURDAY... * Sky/Weather.........Partly cloudy. * Max Temperature.....50-55 valleys and 40-45 ridges. * Min Humidity........19-29 percent valleys and 25-35 percent ridges. * 20-Foot Winds....... * Lower Elevation......Southwest 5-15 mph. * Ridge Top............Southwest 5-15 mph. * Mixing Height.......2 kft agl until 1100, then 5 kft agl until 1700, then 3 kft agl. * Transport Winds.....West 15 mph. * Chance Lightning....0 percent. * CWR (> 0.10 Inch)...0 percent. .SUNDAY...Partly cloudy with rain showers likely. Chance of showers 60 percent. Lows 35-45. Highs 50-60. Min humidities 25-35 percent. Southwest winds 15-25 mph. .MONDAY...Colder. Partly cloudy with chance of snow showers and rain showers. Chance of precipitation 30 percent. Lows 25-35. Highs 40-50. Min humidities 25-35 percent. West winds 15-25 mph. .TUESDAY...Partly cloudy. Lows 25-35. Highs 50-60. Southwest winds 5-15 mph. .WEDNESDAY...Partly cloudy. Lows 25-35. Highs 50-60. .THURSDAY...Partly cloudy. Lows 30-40. Highs 55-65. $$