


Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Missoula, MT
Issued by NWS Missoula, MT
604 FNUS55 KMSO 050732 FWFMSO Fire Weather Planning Forecast for Wrn Montana and N Cntrl Idaho National Weather Service Missoula MT 132 AM MDT Sun Oct 5 2025 .DISCUSSION... Idaho (Zones 102 and 103): Lingering showers this morning will diminish this afternoon as high pressure begins to build over the Northern Rockies on Monday. Northeasterly winds will persist today. Overnight low temperatures tonight will be much cooler than previous nights under clear skies. High pressure will continue into midweek, bringing mostly clear skies, dry conditions, light winds, and seasonable temperatures. Northwest MT (Zones 104 and 105): Rain or snow showers will continue this morning, diminishing this afternoon. For the Flathead NF, gusty northeasterly or northerly winds will develop early this morning with a cold front passage and relax by about noon. Overnight low temperatures tonight will be much cooler than previous nights under clear skies. High pressure begins to build over the Northern Rockies on Monday and continues into midweek, bringing mostly clear skies, dry conditions, light winds, and seasonable temperatures. West Central MT (Zones 106, 107 and 108): Rain or snow showers will continue this morning, diminishing this afternoon. Northeasterly winds will develop early this morning with a cold front passage and relax by about noon. Overnight low temperatures tonight will be much cooler than previous nights under clear skies. High pressure begins to build over the Northern Rockies on Monday and continues into midweek, bringing mostly clear skies, dry conditions, light winds, and seasonable temperatures. Southwest MT (Zones 109, 110 and 111): Rain or snow showers will continue today, diminishing around noon for the Bitterroot NF and continuing this afternoon on the Beaverhead-Deerlodge NF. Overnight low temperatures tonight will be much cooler than previous nights under clear skies. High pressure begins to build over the Northern Rockies on Monday and continues into midweek, bringing mostly clear skies, dry conditions, light winds, and seasonable temperatures. View Weather Briefing videos on our YouTube channel at https://www.youtube.com/NWSMissoula IDZ102-103-060745- Palouse/Hells Canyon-Clearwater/Nez Perce- 1232 AM PDT Sun Oct 5 2025 .TODAY... * Sky/Weather.........Partly cloudy. Chance of rain and snow. Snow level 6000 feet. * Max Temperature.....58-68 valleys and 40-50 ridges. * Min Humidity........37-47 percent. * 20-Foot Winds....... * Lower Elevation......Calm to variable less than 7 mph. * Ridge Top............Northeast 5-10 mph. * Mixing Height.......3 kft agl until 1100. 7 kft agl after 1300. * Transport Winds.....North 10 mph until 1100, then variable less than 10 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...10 percent. .TONIGHT... * Sky/Weather.........Partly cloudy. Widespread frost. * Min Temperature.....28-38. * Max Humidity........80-90 percent valleys and 73-83 percent ridges. * 20-Foot Winds....... * Lower Elevation......East 5-10 mph. * Ridge Top............Northeast 5-10 mph becoming east up to 5 mph after midnight. * Mixing Height.......5 kft agl until 1900. Below 500 ft to 1 kft agl after 2100. * Transport Winds.....Variable less than 10 mph. * Chance Lightning....0 percent in the Palouse/Hells Canyon...and near 0 percent in the Clearwater/Nez Perce. * CWR (> 0.10 Inch)...0 percent. .MONDAY... * Sky/Weather.........Mostly sunny. Widespread frost in the morning. * Max Temperature.....63-73 valleys and 50-60 ridges. * Min Humidity........26-36 percent. * 20-Foot Winds....... * Lower Elevation......Calm to becoming upslope/upvalley 4-8 mph in the afternoon. * Ridge Top............Southeast up to 5 mph becoming west in the afternoon. * Mixing Height.......3 kft agl until 1200, then 5 kft agl. * Transport Winds.....Variable less than 10 mph. * Chance Lightning....0 percent. * CWR (> 0.10 Inch)...0 percent. .TUESDAY...Clear. Lows 35-45. Highs 65-75. Min humidities 20-30 percent. Southeast winds 5-10 mph. .WEDNESDAY...Mostly clear. Lows 40-50. Highs 65-75. Min humidities 25-35 percent. South winds 5-10 mph. .THURSDAY...Partly cloudy with slight chance of rain. Chance of rain 20 percent. Lows 40-50. Highs 65-75. East winds 5-10 mph. .FRIDAY...Mostly clear. Lows 40-50. Highs 70-80. .SATURDAY...Cooler. Partly cloudy with chance of rain showers. Chance of showers 40 percent. Lows 45-55. Highs 60-70. $$ MTZ104-105-060745- Kootenai-Flathead/Glacier Park- 132 AM MDT Sun Oct 5 2025 .TODAY... * Sky/Weather.........Partly cloudy. Chance of snow. * Max Temperature.....50-60 valleys and 35-45 ridges. * Min Humidity........28-38 percent valleys and 45-55 percent ridges. * 20-Foot Winds....... * Lower Elevation......Northeast 7-14 mph becoming variable 3-6 after noon. * Ridge Top............Northeast 10-20 mph with gusts to 30 mph decreasing to 5-10 mph in the afternoon. * Mixing Height.......3 kft agl until 1100. 6 kft agl after 1400. * Transport Winds.....Northeast 15 mph until 1300, then variable less than 10 mph. * Chance Lightning....0 percent in the Kootenai...and near 0 percent in the Flathead/Glacier Park. * CWR (> 0.10 Inch)...0 percent. .TONIGHT... * Sky/Weather.........Partly cloudy. Widespread frost. * Min Temperature.....25-35. * Max Humidity........83-93 percent valleys and 62-72 percent ridges. * 20-Foot Winds....... * Lower Elevation......South 5-10 mph. * Ridge Top............South 5-10 mph. * Mixing Height.......4 kft agl until 1900, then below 500 ft to 1 kft agl. * Transport Winds.....Variable less than 10 mph. * Chance Lightning....0 percent. * CWR (> 0.10 Inch)...0 percent. .MONDAY... * Sky/Weather.........Partly cloudy. Widespread frost in the morning. * Max Temperature.....60-70 valleys and 43-53 ridges. * Min Humidity........29-39 percent valleys and 42-52 percent ridges. * 20-Foot Winds....... * Lower Elevation......Calm to becoming upslope/upvalley 4-8 mph in the afternoon. * Ridge Top............Southwest 5-10 mph. * Mixing Height.......3 kft agl until 1200, then 5 kft agl. * Transport Winds.....Southwest 10 mph. * Chance Lightning....0 percent. * CWR (> 0.10 Inch)...0 percent. .TUESDAY...Clear. Widespread frost. Lows 35-45. Highs 60-70. Min humidities 25-35 percent. South winds 5-10 mph. .WEDNESDAY...Mostly clear. Lows 35-45. Highs 60-70. Min humidities 30-40 percent. South winds 10-15 mph. .THURSDAY...Partly cloudy with slight chance of rain. Chance of rain 20 percent. Lows 35-45. Highs 55-65. Northeast winds 5-10 mph. .FRIDAY...Mostly clear. Lows 35-45. Highs 60-70. .SATURDAY...Partly cloudy with chance of rain. Chance of rain 30 percent. Lows 40-50. Highs 55-65. $$ MTZ106-108-060745- West Lolo-East Lolo- 132 AM MDT Sun Oct 5 2025 .TODAY... * Sky/Weather.........Partly cloudy. Chance of rain and snow. Snow level 5000 feet. * Max Temperature.....50-60 valleys and 38-48 ridges. * Min Humidity........36-46 percent valleys and 52-62 percent ridges. * 20-Foot Winds....... * Lower Elevation......Northeast 5-15 mph. * Ridge Top............Northeast 5-15 mph. * Mixing Height.......3 kft agl until 1100. 6 kft agl after 1500. * Transport Winds.....Northeast 15 mph until 1400, then variable less than 10 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...10 percent. .TONIGHT... * Sky/Weather.........Partly cloudy. Widespread frost. * Min Temperature.....23-33. * Max Humidity........78-88 percent valleys and 72-82 percent ridges. * 20-Foot Winds....... * Lower Elevation......Downslope/downvalley 1-3 mph. * Ridge Top............East up to 5 mph becoming south 5-10 mph after midnight. * Mixing Height.......5 kft agl until 1900, then below 500 ft to 1 kft agl. * Transport Winds.....Variable less than 10 mph. * Chance Lightning....0 percent. * CWR (> 0.10 Inch)...0 percent. .MONDAY... * Sky/Weather.........Partly cloudy then becoming mostly sunny. Widespread frost in the morning. * Max Temperature.....55-65 valleys and 48-58 ridges. * Min Humidity........25-35 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............Southwest up to 5 mph. * Mixing Height.......3 kft agl until 1200. 5 kft agl after 1500. * Transport Winds.....Variable less than 10 mph. * Chance Lightning....0 percent. * CWR (> 0.10 Inch)...0 percent. .TUESDAY...Clear. Widespread frost. Lows 35-45. Highs 60-70. Min humidities 25-35 percent. Diurnal terrain winds to 10 mph. .WEDNESDAY...Mostly clear. Lows 35-45. Highs 60-70. Min humidities 25-35 percent. South winds 5-10 mph. .THURSDAY...Partly cloudy with slight chance of rain. Chance of rain 20 percent. Lows 40-50. Highs 60-70. East winds 5-10 mph. .FRIDAY...Mostly clear. Lows 35-45. Highs 65-75. .SATURDAY...Partly cloudy with chance of rain. Chance of rain 30 percent. Lows 40-50. Highs 60-70. $$ MTZ107-060745- Flathead Reservation- 132 AM MDT Sun Oct 5 2025 .TODAY... * Sky/Weather.........Partly cloudy. Chance of rain. Snow level 5000 feet. * Max Temperature.....55-60 valleys and 35-40 ridges. * Min Humidity........44-54 percent valleys and 63-73 percent ridges. * 20-Foot Winds....... * Lower Elevation......Northeast 5-15 mph. * Ridge Top............Northeast 5-15 mph. * Mixing Height.......3 kft agl until 1000. 6 kft agl after 1300. * Transport Winds.....Northeast 15 mph until 1300, then variable less than 10 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...0 percent. .TONIGHT... * Sky/Weather.........Partly cloudy. Widespread frost. * Min Temperature.....25-35. * Max Humidity........83-93 percent valleys and 76-86 percent ridges. * 20-Foot Winds....... * Lower Elevation......Downslope/downvalley 1-3 mph. * Ridge Top............Southeast 5-10 mph becoming southwest after midnight. * Mixing Height.......4 kft agl until 1900, then below 500 ft to 1 kft agl. * Transport Winds.....Variable less than 10 mph. * Chance Lightning....0 percent. * CWR (> 0.10 Inch)...0 percent. .MONDAY... * Sky/Weather.........Mostly sunny. Widespread frost in the morning. * Max Temperature.....60-65 valleys and 40-45 ridges. * Min Humidity........37-47 percent valleys and 44-54 percent ridges. * 20-Foot Winds....... * Lower Elevation......Calm to becoming upslope/upvalley 4-8 mph in the afternoon. * Ridge Top............Southwest 5-10 mph. * Mixing Height.......3 kft agl until 1200, then 5 kft agl. * Transport Winds.....Variable less than 10 mph. * Chance Lightning....0 percent. * CWR (> 0.10 Inch)...0 percent. .TUESDAY...Clear. Lows 35-45. Highs 65-75. Min humidities 25-35 percent. South winds 5-10 mph. .WEDNESDAY...Mostly clear. Lows 40-50. Highs 65-75. Min humidities 30-40 percent. South winds 5-10 mph. .THURSDAY...Partly cloudy with slight chance of rain. Chance of rain 20 percent. Lows 40-50. Highs 60-70. Northeast winds 5-10 mph. .FRIDAY...Mostly clear. Lows 40-50. Highs 65-75. .SATURDAY...Partly cloudy with chance of rain. Chance of rain 30 percent. Lows 40-50. Highs 60-70. $$ MTZ109-060745- Bitterroot- 132 AM MDT Sun Oct 5 2025 .TODAY... * Sky/Weather.........Partly cloudy. Rain and snow likely. Snow level 6000 feet. * Max Temperature.....50-55 valleys and 40-45 ridges. * Min Humidity........47-57 percent valleys and 57-67 percent ridges. * 20-Foot Winds....... * Lower Elevation......Calm to variable less than 7 mph. * Ridge Top............North 5-10 mph. * Mixing Height.......3 kft agl until 1100. 5 kft agl after 1500. * Transport Winds.....North 10 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...20 percent. .TONIGHT... * Sky/Weather.........Partly cloudy. Widespread frost. * Min Temperature.....25-30. * Max Humidity........87-97 percent valleys and 74-84 percent ridges. * 20-Foot Winds....... * Lower Elevation......Northeast 5-10 mph in the evening becoming downslope/downvalley 2-5 mph. * Ridge Top............Northeast 5-10 mph becoming southeast up to 5 mph after midnight. * Mixing Height.......4 kft agl until 1900, then 1-2 kft agl. * Transport Winds.....Variable less than 10 mph. * Chance Lightning....Near 0 percent in the Darby, Sula, and West Fork Districts...and 0 percent in areas north of Hamilton. * CWR (> 0.10 Inch)...0 percent. .MONDAY... * Sky/Weather.........Mostly sunny. Widespread frost in the morning. * Max Temperature.....60-65 valleys and 45-55 ridges. * Min Humidity........28-38 percent valleys and 34-44 percent ridges. * 20-Foot Winds....... * Lower Elevation......Calm to becoming upslope/upvalley 4-8 mph in the afternoon. * Ridge Top............South up to 5 mph becoming west in the afternoon. * Mixing Height.......2 kft agl until 1100. 5 kft agl after 1400. * Transport Winds.....Variable less than 10 mph. * Chance Lightning....0 percent. * CWR (> 0.10 Inch)...0 percent. .TUESDAY...Clear. Lows 35-45. Highs 60-70. Min humidities 25-35 percent. South winds 5-10 mph. .WEDNESDAY...Clear. Lows 35-45. Highs 60-70. Min humidities 25-35 percent. South winds 10-15 mph. .THURSDAY...Partly cloudy with slight chance of rain. Chance of rain 20 percent. Lows 40-50. Highs 60-70. Southeast winds 5-10 mph. .FRIDAY...Mostly clear. Lows 40-50. Highs 65-75. .SATURDAY...Cooler. Partly cloudy with chance of rain. Chance of rain 30 percent. Lows 40-50. Highs 55-65. $$ MTZ110-111-060745- Deerlodge/West Beaverhead-East Beaverhead- 132 AM MDT Sun Oct 5 2025 .TODAY... * Sky/Weather.........Mostly cloudy. Chance of snow and rain. Snow level 6000 feet. * Max Temperature.....40-50 valleys and 30-40 ridges. * Min Humidity........54-64 percent valleys and 64-74 percent ridges. * 20-Foot Winds....... * Lower Elevation......North 5-15 mph. * Ridge Top............North 5-15 mph. * Mixing Height.......3 kft agl until 1200, then 5 kft agl. * Transport Winds.....North 15 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...30 percent. .TONIGHT... * Sky/Weather.........Partly cloudy. Widespread frost. * Min Temperature.....13-23 valleys and 20-25 ridges. * Max Humidity........100 percent valleys and 82-92 percent ridges. * 20-Foot Winds....... * Lower Elevation......Northeast 10-15 mph in the evening becoming downslope/downvalley 5-10 mph. * Ridge Top............Northeast 10-15 mph becoming northwest 5-10 mph after midnight. * Mixing Height.......1-2 kft agl until 2000, then below 500 ft to 1 kft agl. * Transport Winds.....Northeast 10 mph until 0200, then variable less than 10 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...0 percent. .MONDAY... * Sky/Weather.........Partly cloudy. Widespread frost in the morning. * Max Temperature.....55-60 valleys and 40-50 ridges. * Min Humidity........26-36 percent. * 20-Foot Winds....... * Lower Elevation......Calm to variable less than 7 mph. * Ridge Top............West 5-10 mph. * Mixing Height.......3 kft agl until 1200. 5 kft agl after 1500. * Transport Winds.....Variable less than 10 mph. * Chance Lightning....0 percent in the Deerlodge/West Beaverhead...and near 0 percent in the East Beaverhead. * CWR (> 0.10 Inch)...0 percent. .TUESDAY...Clear. Lows 30-40. Highs 55-65. Min humidities 20-30 percent. South winds 5-10 mph. .WEDNESDAY...Clear. Lows 30-40. Highs 60-70. Min humidities 20-30 percent. South winds 10-20 mph. .THURSDAY...Mostly clear. Slight chance of rain. Chance of rain 20 percent. Lows 35-45. Highs 60-70. South winds 5-15 mph. .FRIDAY...Mostly clear. Lows 35-45. Highs 60-70. .SATURDAY...Partly cloudy with chance of rain. Chance of rain 30 percent. Lows 40-50. Highs 55-65. $$