FNUS55 KMSO 160932 FWFMSO Fire Weather Planning Forecast for Wrn Montana and N Cntrl Idaho National Weather Service Missoula MT 332 AM MDT Fri Oct 16 2026 .DISCUSSION... Idaho (Zones 102 and 103): High pressure will remain over the region today, creating warm and relatively dry conditions. A stable airmass today will limit vertical mixing and keep winds light. A dry cold front will pass through the region on Saturday. Warm and dry conditions will remain, but with breezy westerly winds. Cooler temperatures are anticipated by Sunday. Northwest MT (Zones 104 and 105): High pressure will remain over the region today, creating warm and relatively dry conditions. A stable airmass today will limit vertical mixing and keep winds light. A dry cold front will pass through the region on Saturday. Warm and dry conditions will remain, but with breezy westerly winds. Cooler temperatures are anticipated by Sunday. West Central MT (Zones 106, 107 and 108): High pressure will remain over the region today, creating warm and relatively dry conditions. A stable airmass today will limit vertical mixing and keep winds light. A dry cold front will pass through the region on Saturday. Warm and dry conditions will remain, but with breezy westerly winds. Cooler temperatures are anticipated by Sunday. Southwest MT (Zones 109, 110 and 111): High pressure will remain over the region today, creating warm and relatively dry conditions. A stable airmass today will limit vertical mixing and keep winds light. A dry cold front will pass through the region on Saturday. Warm and dry conditions will remain, but with breezy westerly winds. Cooler temperatures are anticipated by Sunday. IDZ102-103-170945- Palouse/Hells Canyon-Clearwater/Nez Perce- 232 AM PDT Fri Oct 16 2026 .TODAY... * Sky/Weather.........Partly cloudy. * Max Temperature.....70-80 valleys and 60-65 ridges. * Min Humidity........17-27 percent. * 20-Foot Winds....... * Lower Elevation......South 5-15 mph. * Ridge Top............South 10-20 mph becoming southwest 10-15 mph in the afternoon. * Mixing Height.......1-2 kft agl until 1300, then 3 kft agl. * Transport Winds.....South 10 mph. * Chance Lightning....0 percent. * CWR (> 0.10 Inch)...0 percent. .TONIGHT... * Sky/Weather.........Partly cloudy. * Min Temperature.....40-50 valleys and 33-43 ridges. * Max Humidity........54-64 percent valleys and 47-57 percent ridges. * 20-Foot Winds....... * Lower Elevation......Southeast 10-20 mph. * Ridge Top............South 10-20 mph. * Mixing Height.......Below 500 ft to 1 kft agl. * Transport Winds.....South 10 mph. * Chance Lightning....0 percent. * CWR (> 0.10 Inch)...0 percent. .SATURDAY... * Sky/Weather.........Partly cloudy. * Max Temperature.....68-78 valleys and 55-65 ridges. * Min Humidity........21-31 percent. * 20-Foot Winds....... * Lower Elevation......Calm to becoming west 10-15 mph in the afternoon. * Ridge Top............Southwest 10-20 mph. * Mixing Height.......Below 500 ft to 1 kft agl until 1100. 6 kft agl after 1300. * Transport Winds.....South 10 mph until 1200, then west 20 mph. * Chance Lightning....0 percent. * CWR (> 0.10 Inch)...0 percent. .SUNDAY...Cooler. Partly cloudy. Lows 35-45. Highs 55-65. Min humidities 35-45 percent. Northwest winds 10-15 mph. .MONDAY...Partly cloudy. Lows 40-50. Highs 60-70. Min humidities 35-45 percent. Southeast winds 5-10 mph. .TUESDAY...Cooler. Mostly cloudy. Lows 40-50. Highs 50-60. Variable winds up to 10 mph. .WEDNESDAY...Partly cloudy with slight chance of rain. Chance of rain 20 percent. Lows 35-45. Highs 55-65. .THURSDAY...Partly cloudy with slight chance of rain. Chance of rain 20 percent. Lows 35-45. Highs 50-60. $$ MTZ104-105-170945- Kootenai-Flathead/Glacier Park- 332 AM MDT Fri Oct 16 2026 .TODAY... * Sky/Weather.........Partly cloudy. Widespread frost in the morning. * Max Temperature.....60-70 valleys and 50-60 ridges. * Min Humidity........24-34 percent valleys and 30-40 percent ridges. * 20-Foot Winds....... * Lower Elevation......South 10-15 mph. * Ridge Top............Southwest 10-15 mph. * Mixing Height.......1-2 kft agl until 1400, then 3 kft agl. * Transport Winds.....Southwest 15 mph. * Chance Lightning....0 percent. * CWR (> 0.10 Inch)...0 percent. .TONIGHT... * Sky/Weather.........Partly cloudy. * Min Temperature.....35-40. * Max Humidity........72-82 percent valleys and 46-56 percent ridges. * 20-Foot Winds....... * Lower Elevation......South 10-20 mph. * Ridge Top............South 10-20 mph. * Mixing Height.......Below 500 ft to 1 kft agl. * Transport Winds.....South 15 mph. * Chance Lightning....0 percent. * CWR (> 0.10 Inch)...0 percent. .SATURDAY... * Sky/Weather.........Partly cloudy. * Max Temperature.....65-70 valleys and 50-55 ridges. * Min Humidity........23-33 percent valleys and 31-41 percent ridges. * 20-Foot Winds....... * Lower Elevation......Calm to becoming southwest 10-20 mph in the afternoon. * Ridge Top............Southwest 15-25 mph increasing to 25-35 mph in the afternoon. * Mixing Height.......Below 500 ft to 1 kft agl until 1100. 7 kft agl after 1400. * Transport Winds.....Southwest 20 mph until 1200, then 25 mph until 1500, then 35 mph until 1700, then west 25 mph. * Chance Lightning....Near 0 percent over the Kootenai...and 0 percent toward the Flathead/Glacier Park. * CWR (> 0.10 Inch)...0 percent. .SUNDAY...Cooler. Mostly clear. Lows 35-45. Highs 50-60. Min humidities 35-45 percent. Southwest winds 25-35 mph. .MONDAY...Partly cloudy. Lows 35-45. Highs 55-65. Min humidities 40-50 percent. Southeast winds 5-10 mph. .TUESDAY...Mostly cloudy. Lows 35-45. Highs 50-60. Variable winds up to 10 mph. .WEDNESDAY...Partly cloudy. Lows 35-45. Highs 50-60. .THURSDAY...Partly cloudy. Lows 35-45. Highs 50-60. $$ MTZ106-108-170945- West Lolo-East Lolo- 332 AM MDT Fri Oct 16 2026 .TODAY... * Sky/Weather.........Partly cloudy. Widespread frost in the morning. * Max Temperature.....63-73 valleys and 53-63 ridges. * Min Humidity........20-30 percent. * 20-Foot Winds....... * Lower Elevation......Calm to variable less than 7 mph. * Ridge Top............South 5-10 mph. * Mixing Height.......1-2 kft agl until 1300, then 3 kft agl. * Transport Winds.....South 10 mph until 1500, then southwest 10 mph. * Chance Lightning....0 percent. * CWR (> 0.10 Inch)...0 percent. .TONIGHT... * Sky/Weather.........Partly cloudy. * Min Temperature.....28-38 valleys and 35-45 ridges. * Max Humidity........59-69 percent valleys and 50-60 percent ridges. * 20-Foot Winds....... * Lower Elevation......South 10-15 mph. * Ridge Top............South 10-20 mph. * Mixing Height.......Below 500 ft to 1 kft agl. * Transport Winds.....South 10 mph. * Chance Lightning....0 percent. * CWR (> 0.10 Inch)...0 percent. .SATURDAY... * Sky/Weather.........Partly cloudy. * Max Temperature.....55-65. * Min Humidity........20-30 percent. * 20-Foot Winds....... * Lower Elevation......Calm to becoming southwest 10-20 mph in the afternoon. * Ridge Top............Southwest 15-25 mph. * Mixing Height.......Below 500 ft to 1 kft agl until 1100. 6 kft agl after 1400. * Transport Winds.....Southwest 15 mph until 1200, then 20 mph until 1500, then west 30 mph until 1600, then 20 mph. * Chance Lightning....0 percent. * CWR (> 0.10 Inch)...0 percent. .SUNDAY...Mostly clear. Lows 35-45. Highs 55-65. Min humidities 40-50 percent. West winds 10-20 mph. .MONDAY...Partly cloudy. Lows 35-45. Highs 60-70. Min humidities 35-45 percent. Diurnal terrain winds to 10 mph. .TUESDAY...Partly cloudy. Lows 35-45. Highs 55-65. Variable winds up to 10 mph. .WEDNESDAY...Partly cloudy with slight chance of rain. Chance of rain 20 percent. Lows 35-45. Highs 50-60. .THURSDAY...Partly cloudy with slight chance of rain. Chance of rain 20 percent. Lows 35-45. Highs 50-60. $$ MTZ107-170945- Flathead Reservation- 332 AM MDT Fri Oct 16 2026 .TODAY... * Sky/Weather.........Partly cloudy. Widespread frost and patchy freezing fog in the morning. * Max Temperature.....65-70 valleys and 45-50 ridges. * Min Humidity........22-32 percent. * 20-Foot Winds....... * Lower Elevation......Calm to becoming upslope/upvalley 4-8 mph in the afternoon. * Ridge Top............Southwest 10-20 mph decreasing to 5-10 mph in the afternoon. * Mixing Height.......1-2 kft agl until 1400, then 2 kft agl. * Transport Winds.....South 10 mph. * Chance Lightning....0 percent. * CWR (> 0.10 Inch)...0 percent. .TONIGHT... * Sky/Weather.........Partly cloudy. * Min Temperature.....35-45. * Max Humidity........64-74 percent valleys and 50-60 percent ridges. * 20-Foot Winds....... * Lower Elevation......Downslope/downvalley 1-3 mph. * Ridge Top............Southwest 15-25 mph. * Mixing Height.......Below 500 ft to 1 kft agl. * Transport Winds.....South 10 mph. * Chance Lightning....0 percent. * CWR (> 0.10 Inch)...0 percent. .SATURDAY... * Sky/Weather.........Partly cloudy. * Max Temperature.....70-75 valleys and 50-55 ridges. * Min Humidity........21-31 percent. * 20-Foot Winds....... * Lower Elevation......Calm to becoming southwest 10-20 mph in the afternoon. * Ridge Top............Southwest 25-35 mph. * Mixing Height.......Below 500 ft to 1 kft agl until 1100. 7 kft agl after 1300. * Transport Winds.....South 15 mph until 1200, then southwest 25 mph. * Chance Lightning....0 percent. * CWR (> 0.10 Inch)...0 percent. .SUNDAY...Cooler. Partly cloudy. Lows 35-45. Highs 55-65. Min humidities 40-50 percent. Southwest winds 10-20 mph. .MONDAY...Partly cloudy. Lows 35-45. Highs 60-70. Min humidities 45-55 percent. East winds 5-10 mph. .TUESDAY...Mostly cloudy. Lows 40-50. Highs 55-65. Variable winds up to 10 mph. .WEDNESDAY...Partly cloudy. Lows 35-45. Highs 55-65. .THURSDAY...Partly cloudy with slight chance of rain. Chance of rain 20 percent. Lows 35-45. Highs 55-65. $$ MTZ109-170945- Bitterroot- 332 AM MDT Fri Oct 16 2026 .TODAY... * Sky/Weather.........Partly cloudy. * Max Temperature.....70-75 valleys and 55-60 ridges. * Min Humidity........17-27 percent. * 20-Foot Winds....... * Lower Elevation......South 5-15 mph. * Ridge Top............South 5-15 mph. * Mixing Height.......Below 500 ft to 1 kft agl until 1300, then 3 kft agl. * Transport Winds.....South 10 mph. * Chance Lightning....0 percent. * CWR (> 0.10 Inch)...0 percent. .TONIGHT... * Sky/Weather.........Partly cloudy. * Min Temperature.....35-40. * Max Humidity........57-67 percent valleys and 44-54 percent ridges. * 20-Foot Winds....... * Lower Elevation......South 10-20 mph. * Ridge Top............South 10-20 mph. * Mixing Height.......Below 500 ft to 1 kft agl. * Transport Winds.....South 10 mph until 0100, then 15 mph. * Chance Lightning....0 percent. * CWR (> 0.10 Inch)...0 percent. .SATURDAY... * Sky/Weather.........Partly cloudy. * Max Temperature.....70-75 valleys and 55-60 ridges. * Min Humidity........18-28 percent. * 20-Foot Winds....... * Lower Elevation......Southwest 10-20 mph. * Ridge Top............Southwest 15-25 mph. * Mixing Height.......Below 500 ftto 1 kft agl until 1100, then 3 kft agl until 1300, then 6 kft agl until 1700, then 4 kft agl. * Transport Winds.....Southwest 20 mph. * Chance Lightning....0 percent. * CWR (> 0.10 Inch)...0 percent. .SUNDAY...Partly cloudy. Lows 35-45. Highs 55-65. Min humidities 30-40 percent. Southwest winds 10-15 mph. .MONDAY...Mostly clear. Lows 35-45. Highs 60-70. Min humidities 30-40 percent. South winds 5-10 mph. .TUESDAY...Cooler. Partly cloudy with slight chance of rain. Chance of rain 20 percent. Lows 35-45. Highs 50-60. South winds 5-10 mph. .WEDNESDAY...Partly cloudy with slight chance of rain. Chance of rain 20 percent. Lows 35-45. Highs 50-60. .THURSDAY...Partly cloudy with chance of rain. Chance of rain 30 percent. Lows 35-45. Highs 50-60. $$ MTZ110-111-170945- Deerlodge/West Beaverhead-East Beaverhead- 332 AM MDT Fri Oct 16 2026 .TODAY... * Sky/Weather.........Partly cloudy. * Max Temperature.....60-65 valleys and 50-60 ridges. * Min Humidity........20-30 percent. * 20-Foot Winds....... * Lower Elevation......South 5-15 mph. * Ridge Top............South 5-15 mph. * Mixing Height.......1-2 kft agl until 1400, then 2 kft agl. * Transport Winds.....Southwest 15 mph. * Chance Lightning....0 percent. * CWR (> 0.10 Inch)...0 percent. .TONIGHT... * Sky/Weather.........Partly cloudy. * Min Temperature.....30-35. * Max Humidity........65-75 percent valleys and 51-61 percent ridges. * 20-Foot Winds....... * Lower Elevation......South 15-25 mph. * Ridge Top............South 15-25 mph. * Mixing Height.......Below 500 ft to 1 kft agl. * Transport Winds.....South 15 mph. * Chance Lightning....0 percent. * CWR (> 0.10 Inch)...0 percent. .SATURDAY... * Sky/Weather.........Partly cloudy. * Max Temperature.....60-70 valleys and 50-60 ridges. * Min Humidity........20-30 percent. * 20-Foot Winds....... * Lower Elevation......Southwest 20-30 mph. * Ridge Top............Southwest 20-30 mph. * Mixing Height.......1-2 kft agl until 1200, then 4 kft agl until 1400, then 5 kft agl until 1700, then 3 kft agl. * Transport Winds.....Southwest 20 mph until 1500, then 25 mph until 1700, then 15 mph. * Chance Lightning....0 percent. * CWR (> 0.10 Inch)...0 percent. .SUNDAY...Partly cloudy. Lows 30-40. Highs 55-65. Min humidities 30-40 percent. Southwest winds 10-20 mph. .MONDAY...Mostly clear. Lows 30-40. Highs 55-65. Min humidities 30-40 percent. South winds 10-20 mph. .TUESDAY...Partly cloudy with slight chance of rain. Chance of rain 20 percent. Lows 35-45. Highs 50-60. South winds 10-20 mph. .WEDNESDAY...Partly cloudy with chance of rain. Chance of rain 30 percent. Lows 35-45. Highs 50-60. .THURSDAY...Partly cloudy with chance of rain and slight chance of light freezing rain. Chance of precipitation 30 percent. Lows 35-45. Highs 45-55. $$