FNUS55 KMSO 161825 FWFMSO Fire Weather Planning Forecast for Wrn Montana and N Cntrl Idaho National Weather Service Missoula MT 1224 PM MDT Fri Oct 16 2026 .DISCUSSION... Idaho (Zones 102 and 103): AUTOMATED INTERIM UPDATE. A dry cold front will pass through the region on Saturday. Taking a quick look at the next 48 hours... Tonight's weather, partly cloudy. Saturday, partly cloudy. It'll be cooler. Saturday Night, partly cloudy. Sunday, mostly sunny. It'll be cooler. Humidities will be higher. Northwest MT (Zones 104 and 105): AUTOMATED INTERIM UPDATE. A dry cold front will pass through the region on Saturday. Taking a quick look at the next 48 hours... Tonight's weather, partly cloudy. Saturday, mostly sunny. Saturday Night, partly cloudy. Sunday, mostly sunny. It'll be cooler. West Central MT (Zones 106, 107 and 108): AUTOMATED INTERIM UPDATE. A dry cold front will pass through the region on Saturday. Taking a quick look at the next 48 hours... Tonight's weather, partly cloudy. Saturday, partly cloudy. Saturday Night, partly cloudy. Sunday, mostly sunny. It'll be cooler. Humidities will be higher. Southwest MT (Zones 109, 110 and 111): AUTOMATED INTERIM UPDATE. A dry cold front will pass through the region on Saturday. Taking a quick look at the next 48 hours... Tonight's weather, partly cloudy. Saturday, partly cloudy. Saturday Night, partly cloudy. Sunday, mostly sunny. Humidities will be a little higher. IDZ102-103-171000- Palouse/Hells Canyon-Clearwater/Nez Perce- 1124 AM PDT Fri Oct 16 2026 .TONIGHT... * Sky/Weather.........Partly cloudy. * Min Temperature.....40-50. * Max Humidity........56-66 percent valleys and 47-57 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. * 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......Southwest 5-15 mph. * Ridge Top............Southwest 10-20 mph. * Mixing Height.......Below 500 ft to 1 kft agl until 1100. 5 kft agl after 1300. * Transport Winds.....Southwest 15 mph until 1200, then west 20 mph. * Chance Lightning....0 percent. * CWR (> 0.10 Inch)...0 percent. .SATURDAY NIGHT... * Sky/Weather.........Partly cloudy. * Min Temperature.....40-45 valleys and 30-40 ridges. * Max Humidity........77-87 percent. * 20-Foot Winds....... * Lower Elevation......West 5-10 mph in the evening becoming downslope/downvalley 2-5 mph. * Ridge Top............Northwest 5-15 mph becoming west up to 5 mph after midnight. * Mixing Height.......1-2 kft agl until 2000, then below 500 ft to 1 kft agl. * Transport Winds.....Northwest 15 mph until 2200, then variable less than 10 mph. * Chance Lightning....0 percent. * CWR (> 0.10 Inch)...0 percent. .SUNDAY... * Sky/Weather.........Partly cloudy. * Max Temperature.....65-75 valleys and 50-60 ridges. * Min Humidity........37-47 percent. * 20-Foot Winds....... * Lower Elevation......Calm to variable less than 7 mph. * Ridge Top............East up to 5 mph becoming south in the afternoon. * Mixing Height.......Below 500 ft to 1 kft agl until 1100, then 3 kft agl until 1300, then 5 kft agl until 1700, then 2 kft agl. * Transport Winds.....Variable less than 10 mph. * Chance Lightning....0 percent. * CWR (> 0.10 Inch)...0 percent. .MONDAY...Partly cloudy. Lows 40-50. Highs 60-70. Min humidities 35-45 percent. Southeast winds 5-10 mph. .TUESDAY...Partly cloudy. Lows 40-50. Highs 55-65. Minhumidities 45-55 percent. Variable winds up to 10 mph. .WEDNESDAY...Partly cloudy. Lows 35-45. Highs 55-65. Diurnal terrain winds to 10 mph. .THURSDAY...Partly cloudy with chance of rain. Chance of rain 30 percent. Lows 40-50. Highs 55-65. .FRIDAY...Cooler. Mostly cloudy with chance of rain showers and snow. Chance of precipitation 50 percent. Lows 35-45. Highs 45-55. $$ MTZ104-105-171000- Kootenai-Flathead/Glacier Park- 1224 PM MDT Fri Oct 16 2026 .TONIGHT... * Sky/Weather.........Partly cloudy. * Min Temperature.....35-40. * Max Humidity........72-82 percent valleys and 45-55 percent ridges. * 20-Foot Winds....... * Lower Elevation......Downslope/downvalley 2-5 mph. * Ridge Top............Southwest 10-15 mph increasing to 15-25 mph after midnight. * 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 45-55 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. 6 kft agl after 1300. * Transport Winds.....Southwest 20 mph until 1200. West 35 mph after 1500. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...0 percent. .SATURDAY NIGHT... * Sky/Weather.........Partly cloudy. * Min Temperature.....30-35. * Max Humidity........89-99 percent valleys and 70-80 percent ridges. * 20-Foot Winds....... * Lower Elevation......Southwest 10-15 mph in the evening becoming downslope/downvalley 5-10 mph. * Ridge Top............West 30-40 mph becoming southwest 5-15 mph after midnight. * Mixing Height.......3 kft agl until 2000, then below 500 ft to 1 kft agl. * Transport Winds.....West 25 mph until 2100. Variable less than 10 mph after 0500. * Chance Lightning....0 percent. * CWR (> 0.10 Inch)...0 percent. .SUNDAY... * Sky/Weather.........Partly cloudy. * Max Temperature.....55-65 valleys and 40-50 ridges. * Min Humidity........28-38 percent valleys and 37-47 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.......Below 500 ft to 1 kft agl until 1100, then 3 kft agl until 1300, then 5 kft agl until 1700, then 2 kft agl. * Transport Winds.....Southwest 10 mph. * Chance Lightning....0 percent. * CWR (> 0.10 Inch)...0 percent. .MONDAY...Partly cloudy. Lows 35-45. Highs 55-65. Min humidities 40-50 percent. Southeast winds 5-10 mph. .TUESDAY...Mostly cloudy. Lows 40-50. Highs 55-65. Min humidities 40-50 percent. Variable winds up to 10 mph. .WEDNESDAY...Partly cloudy. Lows 35-45. Highs 55-65. West winds 5-10 mph. .THURSDAY...Partly cloudy with slight chance of rain. Chance of rain 20 percent. Lows 35-45. Highs 50-60. .FRIDAY...Mostly cloudy with chance of rain and snow. Chance of precipitation 30 percent. Lows 35-45. Highs 45-55. $$ MTZ106-108-171000- West Lolo-East Lolo- 1224 PM MDT Fri Oct 16 2026 .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 1300. * Transport Winds.....Southwest 15 mph until 1200. West 30 mph after 1500. * Chance Lightning....0 percent. * CWR (> 0.10 Inch)...0 percent. .SATURDAY NIGHT... * Sky/Weather.........Partly cloudy. * Min Temperature.....30-40. * Max Humidity........79-89 percent. * 20-Foot Winds....... * Lower Elevation......West 10-20 mph in the evening becoming downslope/downvalley 5-10 mph. * Ridge Top............West 15-25 mph decreasing to 10-15 mph after midnight. * Mixing Height.......2 kft agl until 2000, then below 500 ft to 1 kft agl. * Transport Winds.....West 20 mph until 2100, then 10 mph. * Chance Lightning....0 percent. * CWR (> 0.10 Inch)...0 percent. .SUNDAY... * Sky/Weather.........Partly cloudy. * Max Temperature.....55-65 valleys and 50-55 ridges. * Min Humidity........34-44 percent valleys and 44-54 percent ridges. * 20-Foot Winds....... * Lower Elevation......Calm to variable less than 7 mph. * Ridge Top............Southwest 5-10 mph. * Mixing Height.......Below 500 ft to 1 kft agl until 1100, then 3 kft agl until 1300, then 5 kft agl until 1700, then 2 kft agl. * Transport Winds.....Southwest 10 mph until 1700, then variable less than 10 mph. * Chance Lightning....0 percent. * CWR (> 0.10 Inch)...0 percent. .MONDAY...Partly cloudy. Lows 35-45. Highs 60-70. Min humidities 35-45 percent. Southeast winds 5-10 mph. .TUESDAY...Partly cloudy. Lows 40-50. Highs 55-65. Min humidities 45-55 percent. Variable winds up to 10 mph. .WEDNESDAY...Partly cloudy. Lows 35-45. Highs 55-65. Diurnal terrain winds to 10 mph. .THURSDAY...Partly cloudy with slight chance of rain. Chance of rain 20 percent. Lows 40-50. Highs 55-65. .FRIDAY...Cooler. Mostly cloudy with chance of rain and snow. Chance of precipitation 40 percent. Lows 35-45. Highs 45-55. $$ MTZ107-171000- Flathead Reservation- 1224 PM MDT Fri Oct 16 2026 .TONIGHT... * Sky/Weather.........Partly cloudy. * Min Temperature.....35-45. * Max Humidity........61-71 percent valleys and 49-59 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 1400. * Transport Winds.....South 15 mph until 1200. West 30 mph after 1500. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...0 percent. .SATURDAY NIGHT... * Sky/Weather.........Partly cloudy. * Min Temperature.....30-40. * Max Humidity........95-96 percent valleys and 81-91 percent ridges. * 20-Foot Winds....... * Lower Elevation......Southwest 5-15 mph in the evening becoming downslope/downvalley 2-5 mph. * Ridge Top............West 15-25 mph decreasing to 5-15 mph after midnight. * Mixing Height.......4 kft agl until 1900. Below 500 ft to 1 kft agl after 2100. * Transport Winds.....West 20 mph until 2100, then southwest 10 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...0 percent. .SUNDAY... * Sky/Weather.........Mostly sunny. * Max Temperature.....60-65 valleys and 40-45 ridges. * Min Humidity........35-45 percent valleys and 50-60 percent ridges. * 20-Foot Winds....... * Lower Elevation......Calm to becoming upslope/upvalley 4-8 mph in the afternoon. * Ridge Top............South 5-10 mph becoming west up to 5 mph in the afternoon. * Mixing Height.......Below 500 ft to 1 kft agl until 1100, then 3 kft agl until 1300, then 4 kft agl until 1700, then 2 kft agl. * Transport Winds.....Variable less than 10 mph. * Chance Lightning....0 percent. * CWR (> 0.10 Inch)...0 percent. .MONDAY...Partly cloudy. Lows 40-50. Highs 60-70. Min humidities 45-55 percent. East winds 5-10 mph. .TUESDAY...Mostly cloudy. Lows 40-50. Highs 55-65. Min humidities 45-55 percent. Variable winds up to 10 mph. .WEDNESDAY...Partly cloudy. Lows 40-50. Highs 55-65. Diurnal terrain winds to 10 mph. .THURSDAY...Partly cloudy with slight chance of rain. Chance of rain 20 percent. Lows 40-50. Highs 55-65. .FRIDAY...Cooler. Mostly cloudy with chance of rain. Chance of rain 30 percent. Lows 40-50. Highs 45-55. $$ MTZ109-171000- Bitterroot- 1224 PM MDT Fri Oct 16 2026 .TONIGHT... * Sky/Weather.........Partly cloudy. * Min Temperature.....35-40. * Max Humidity........59-69 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 2400, 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.......1-2 kft agl until 1200. 6 kft agl after 1400. * Transport Winds.....Southwest 20 mph until 1700, then west 20 mph. * Chance Lightning....0 percent. * CWR (> 0.10 Inch)...0 percent. .SATURDAY NIGHT... * Sky/Weather.........Partly cloudy. * Min Temperature.....30-40. * Max Humidity........89-99 percent valleys and 79-89 percent ridges. * 20-Foot Winds....... * Lower Elevation......West 5-10 mph becoming variable less than 5 mph after midnight. * Ridge Top............West 5-15 mph. * Mixing Height.......Below 500 ft to 1 kft agl. * Transport Winds.....West 15 mph until 2100, then variable less than 10 mph. * Chance Lightning....0 percent. * CWR (> 0.10 Inch)...0 percent. .SUNDAY... * Sky/Weather.........Partly cloudy. * Max Temperature.....65-70 valleys and 50-55 ridges. * Min Humidity........34-44 percent. * 20-Foot Winds....... * Lower Elevation......Calm to variable less than 7 mph. * Ridge Top............South up to 5 mph. * Mixing Height.......1-2 kft agl until 1200, then 4 kft agl until 1400, then 5 kft agl until 1700, then 2 kft agl. * Transport Winds.....Variable less than 10 mph until 0700, then south 10 mph until 1600, then west 10 mph. * Chance Lightning....0 percent. * CWR (> 0.10 Inch)...0 percent. .MONDAY...Mostly clear. Lows 35-45. Highs 60-70. Min humidities 30-40 percent. Southeast winds 10-15 mph. .TUESDAY...Partly cloudy. Lows 40-50. Highs 55-65. Min humidities 45-55 percent. South winds 5-10 mph. .WEDNESDAY...Partly cloudy with slight chance of rain. Chance of rain 20 percent. Lows 35-45. Highs 55-65. Diurnal terrain winds to 10 mph. .THURSDAY...Partly cloudy with chance of rain. Chance of rain 30 percent.Lows 40-50. Highs 50-60. .FRIDAY...Colder. Mostly cloudy with chance of rain and snow. Chance of precipitation 50 percent. Lows 35-45. Highs 40-50. $$ MTZ110-111-171000- Deerlodge/West Beaverhead-East Beaverhead- 1224 PM MDT Fri Oct 16 2026 .TONIGHT... * Sky/Weather.........Partly cloudy. * Min Temperature.....23-33 valleys and 30-40 ridges. * Max Humidity........66-76 percent valleys and 53-63 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........15-25 percent valleys and 24-34 percent ridges. * 20-Foot Winds....... * Lower Elevation......Southwest 20-30 mph. * Ridge Top............Southwest 20-30 mph. * Mixing Height.......1-2 kft agl until 1200. 5 kft agl after 1400. * Transport Winds.....Southwest 20 mph until 1400, then 25 mph. * Chance Lightning....0 percent. * CWR (> 0.10 Inch)...0 percent. .SATURDAY NIGHT... * Sky/Weather.........Partly cloudy. * Min Temperature.....23-33 valleys and 30-35 ridges. * Max Humidity........84-94 percent valleys and 70-80 percent ridges. * 20-Foot Winds....... * Lower Elevation......Southwest 20-30 mph decreasing to 10-20 mph after midnight. * Ridge Top............Southwest 10-20 mph. * Mixing Height.......Below 500 ft to 1 kft agl. * Transport Winds.....Southwest 15 mph. * Chance Lightning....0 percent. * CWR (> 0.10 Inch)...0 percent. .SUNDAY... * Sky/Weather.........Partly cloudy. * Max Temperature.....60-65 valleys and 50-55 ridges. * Min Humidity........27-37 percent. * 20-Foot Winds....... * Lower Elevation......Calm to variable less than 7 mph. * Ridge Top............Southwest 5-10 mph. * Mixing Height.......Below 500 ft to 1 kft agl until 1100, then 3 kft agl until 1300, then 6 kft agl until 1700, then 2 kft agl. * Transport Winds.....Southwest 10 mph. * Chance Lightning....0 percent. * CWR (> 0.10 Inch)...0 percent. .MONDAY...Mostly clear. Lows 35-45. Highs 55-65. Min humidities 25-35 percent. South winds 10-20 mph. .TUESDAY...Partly cloudy. Lows 35-45. Highs 55-65. Min humidities 40-50 percent. South winds 10-20 mph. .WEDNESDAY...Partly cloudy with slight chance of rain. Chance of rain 20 percent. Lows 35-45. Highs 50-60. South winds 5-10 mph. .THURSDAY...Partly cloudy with chance of rain. Chance of rain 40 percent. Lows 35-45. Highs 50-60. .FRIDAY...Colder. Mostly cloudy with chance of rain and snow. Chance of precipitation 50 percent. Lows 35-45. Highs 40-50. $$