


Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Missoula, MT
Issued by NWS Missoula, MT
032 FNUS55 KMSO 060830 FWFMSO Fire Weather Planning Forecast for Wrn Montana and N Cntrl Idaho National Weather Service Missoula MT 230 AM MDT Wed Aug 6 2025 .DISCUSSION... Idaho (Zones 102, 103): Warmer, drier and westerly breeze today with a couple light showers/virga late this evening. Showers and thunderstorms tomorrow with heavy rainfall and hail possible especially in the Clearwater / Nez Perce. Isolated gusts in excess of 45 mph possible. Snow showers and minor accumulation possible above 8,000ft tomorrow and Friday. Northwest MT (Zones 104, 105): Warmer & drier today with passing mid- high level clouds at times. Winds increasingly west-southwesterly aloft. Showers and thunderstorms tomorrow with heavy rainfall, hail, and isolated gusts in excess of 45 mph possible. Snow showers and minor accumulation possible above 8,000ft tomorrow and Friday. West Central MT (Zones 106, 107, 108): Warmer & drier today with passing mid-high level clouds at times. Winds increasingly west-southwesterly aloft. Showers and thunderstorms tomorrow with heavy rainfall, hail, and isolated gusts in excess of 45 mph possible. Snow showers and minor accumulation possible above 8,000ft Thursday and Friday. Southwest MT (Zones 109, 110, 111): Warmer & drier today. Southwest winds gusting up to 30 mph, warm, dry, and unstable this afternoon. Showers and thunderstorms tomorrow with hail and isolated heavy rain and gusts in excess of 50 mph possible. Snow showers and minor accumulation possible above 8,000ft tomorrow and Friday. IDZ102-103-070830- Palouse/Hells Canyon-Clearwater/Nez Perce- 130 AM PDT Wed Aug 6 2025 .TODAY... * Sky/Weather.........Partly cloudy. Haze. * Max Temperature.....80-90 valleys and 68-78 ridges. * Min Humidity........22-32 percent valleys and 29-39 percent ridges. * 20-Foot Winds....... * Lower Elevation......Calm to variable less than 7 mph. * Ridge Top............West 5-10 mph. * Mixing Height.......3 kft agl until 1100. 8 kft agl after 1300. * Transport Winds.....Variable less than 10 mph until 0800, then west 10 mph until 1500, then 15 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...0 percent. .TONIGHT... * Sky/Weather.........Partly cloudy. Chance of rain showers. Slight chance of thunderstorms after midnight. * Min Temperature.....50-60 valleys and 43-53 ridges. * Max Humidity........72-82 percent valleys and 78-88 percent ridges. * 20-Foot Winds....... * Lower Elevation......West 5-10 mph. * Ridge Top............West 5-10 mph. * Mixing Height.......5 kft agl until 2000, then below 500 ft to 1 kft agl. * Transport Winds.....Northwest 15 mph until 2400, then variable less than 10 mph. * Chance Lightning....25 percent in the Palouse/Hells Canyon...and near 0 percent in the Clearwater/Nez Perce. * CWR (> 0.10 Inch)...0 percent. .THURSDAY... * Sky/Weather.........Mostly cloudy. Rain showers likely and chance of thunderstorms. * Max Temperature.....73-83 valleys and 60-65 ridges. * Min Humidity........43-53 percent valleys and 54-64 percent ridges. * 20-Foot Winds....... * Lower Elevation......Calm to variable less than 7 mph. * Ridge Top............West 5-15 mph. * Mixing Height.......3 kft agl until 1100. 9 kft agl after 1500. * Transport Winds.....West 10 mph until 1400, then 15 mph. * Chance Lightning....50 percent. * CWR (> 0.10 Inch)...50 percent. .FRIDAY...Partly cloudy with chance of rain showers. Chance of showers 40 percent. Lows 45-55. Highs 70-80. Min humidities 20-30 percent. Southwest winds 5-10 mph. .SATURDAY...Partly cloudy. Lows 50-60. Highs 75-85. Min humidities 15-25 percent. Southwest winds 5-10 mph. .SUNDAY...Partly cloudy. Lows 50-60. Highs 80-90. West winds 5-10 mph. .MONDAY...Mostly clear. Lows 55-65. Highs 85-95. .TUESDAY...Mostly clear. Lows 60-70. Highs 85-95. $$ MTZ104-105-070830- Kootenai-Flathead/Glacier Park- 230 AM MDT Wed Aug 6 2025 .TODAY... * Sky/Weather.........Partly cloudy. * Max Temperature.....75-85 valleys and 60-70 ridges. * Min Humidity........26-36 percent valleys and 37-47 percent ridges. * 20-Foot Winds....... * Lower Elevation......Southwest 5-15 mph. * Ridge Top............Southwest 5-15 mph. * Mixing Height.......2 kft agl until 1000. 8 kft agl after 1300. * Transport Winds.....Southwest 10 mph until 1100, then 15 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...0 percent. .TONIGHT... * Sky/Weather.........Mostly cloudy. Chance of rain showers and slight chance of thunderstorms. * Min Temperature.....45-55. * Max Humidity........100 percent valleys and 80-90 percent ridges. * 20-Foot Winds....... * Lower Elevation......Southwest 5-10 mph becoming variable less than 5 mph after midnight. * Ridge Top............Southwest 5-15 mph. * Mixing Height.......5 kft agl until 2000, then 1-2 kft agl. * Transport Winds.....Southwest 15 mph. * Chance Lightning....25 percent in the Kootenai...and 20 percent in the Flathead/Glacier Park. * CWR (> 0.10 Inch)...20 percent in the Kootenai...and 0 percent in the Flathead/Glacier Park. .THURSDAY... * Sky/Weather.........Mostly cloudy. Rain showers likely and chance of thunderstorms. * Max Temperature.....65-75 valleys and 53-63 ridges. * Min Humidity........45-55 percent valleys and 62-72 percent ridges. * 20-Foot Winds....... * Lower Elevation......Southwest 10-15 mph. * Ridge Top............Southwest 10-15 mph. * Mixing Height.......3 kft agl until 1000. 6 kft agl after 1300. * Transport Winds.....West 15 mph. * Chance Lightning....40 percent. * CWR (> 0.10 Inch)...50 percent. .FRIDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Chance of precipitation 30 percent. Lows 45-55. Highs 60-70. Min humidities 35-45 percent. Southwest winds 10-15 mph. .SATURDAY...Partly cloudy. Lows 50-60. Highs 70-80. Min humidities 25-35 percent. Southwest winds 10-15 mph. .SUNDAY...Partly cloudy. Lows 50-60. Highs 75-85. Southwest winds 10-15 mph. .MONDAY...Partly cloudy. Lows 55-65. Highs 75-85. .TUESDAY...Partly cloudy. Lows 55-65. Highs 75-85. $$ MTZ106-108-070830- West Lolo-East Lolo- 230 AM MDT Wed Aug 6 2025 .TODAY... * Sky/Weather.........Partly cloudy. Haze. * Max Temperature.....75-85 valleys and 68-78 ridges. * Min Humidity........21-31 percent. * 20-Foot Winds....... * Lower Elevation......Calm to variable less than 7 mph. * Ridge Top............West 10-15 mph. * Mixing Height.......1-2 kft agl until 1000. 10 kft agl after 1400. * Transport Winds.....Southwest 10 mph until 1400, then 15 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...0 percent. .TONIGHT... * Sky/Weather.........Partly cloudy. Chance of rain showers and slight chance of thunderstorms. * Min Temperature.....45-55. * Max Humidity........82-92 percent valleys and 71-81 percent ridges. * 20-Foot Winds....... * Lower Elevation......West 5-10 mph. * Ridge Top............West 10-15 mph. * Mixing Height.......7 kft agl until 1900. Below 500 ft to 1 kft agl after 2100. * Transport Winds.....West 15 mph. * Chance Lightning....20 percent. * CWR (> 0.10 Inch)...0 percent. .THURSDAY... * Sky/Weather.........Mostly cloudy. Rain showers likely and chance of thunderstorms. * Max Temperature.....65-75 valleys and 58-68 ridges. * Min Humidity........36-46 percent valleys and 48-58 percent ridges. * 20-Foot Winds....... * Lower Elevation......Calm to variable less than 7 mph. * Ridge Top............West 5-15 mph. * Mixing Height.......3 kft agl until 1000. 6 kft agl after 1300. * Transport Winds.....West 10 mph until 1400, then 15 mph. * Chance Lightning....50 percent in the West Lolo...and 40 percent in the East Lolo. * CWR (> 0.10 Inch)...70 percent in the West Lolo...and 50 percent in the East Lolo. .FRIDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Chance of precipitation 30 percent. Lows 45-55. Highs 60-70. Min humidities 30-40 percent. West winds 10-15 mph. .SATURDAY...Partly cloudy. Lows 50-60. Highs 70-80. Min humidities 20-30 percent. West winds 10-15 mph. .SUNDAY...Partly cloudy. Lows 50-60. Highs 75-85. West winds 5-10 mph. .MONDAY...Mostly clear. Lows 55-65. Highs 80-90. .TUESDAY...Mostly clear. Lows 55-65. Highs 80-90. $$ MTZ107-070830- Flathead Reservation- 230 AM MDT Wed Aug 6 2025 .TODAY... * Sky/Weather.........Partly cloudy. * Max Temperature.....85-90 valleys and 60-65 ridges. * Min Humidity........19-29 percent valleys and 30-40 percent ridges. * 20-Foot Winds....... * Lower Elevation......Calm to variable less than 7 mph. * Ridge Top............Southwest 10-15 mph. * Mixing Height.......1-2 kft agl until 1000. 10 kft agl after 1400. * Transport Winds.....Southwest 10 mph until 1500, then 15 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...0 percent. .TONIGHT... * Sky/Weather.........Mostly cloudy. Chance of rain showers and slight chance of thunderstorms. * Min Temperature.....55-60 valleys and 45-50 ridges. * Max Humidity........74-84 percent valleys and 96 percent ridges. * 20-Foot Winds....... * Lower Elevation......Southwest 5-10 mph. * Ridge Top............Southwest 10-15 mph. * Mixing Height.......7 kft agl until 1900. Below 500 ft to 1 kft agl after 2100. * Transport Winds.....West 15 mph until 0200, then variable less than 10 mph. * Chance Lightning....20 percent in areas west of Highway 93...and 15 percent in the Mission Mtns and areas east of Highway 93. * CWR (> 0.10 Inch)...0 percent. .THURSDAY... * Sky/Weather.........Mostly cloudy. Rain showers likely and chance of thunderstorms. * Max Temperature.....70-75 valleys and 50-55 ridges. * Min Humidity........41-51 percent valleys and 66-76 percent ridges. * 20-Foot Winds....... * Lower Elevation......Southwest 5-15 mph. * Ridge Top............Southwest 5-15 mph. * Mixing Height.......3 kft agl until 1000. 6 kft agl after 1600. * Transport Winds.....Southwest 10 mph. * Chance Lightning....40 percent. * CWR (> 0.10 Inch)...70 percent. .FRIDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Chance of precipitation 30 percent. Lows 45-55. Highs 65-75. Min humidities 30-40 percent. Southwest winds 10-15 mph. .SATURDAY...Partly cloudy. Lows 50-60. Highs 75-85. Min humidities 20-30 percent. Southwest winds 10-15 mph. .SUNDAY...Partly cloudy. Lows 55-65. Highs 80-90. Southwest winds 10-15 mph. .MONDAY...Partly cloudy. Lows 55-65. Highs 85-95. .TUESDAY...Partly cloudy. Lows 60-70. Highs 80-90. $$ MTZ109-070830- Bitterroot- 230 AM MDT Wed Aug 6 2025 .TODAY... * Sky/Weather.........Partly cloudy. Haze in the morning. * Max Temperature.....85-90 valleys and 70-80 ridges. * Min Humidity........15-25 percent valleys and 21-31 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 5-15 mph in the afternoon. * Mixing Height.......2 kft agl until 1000, then 4 kft agl until 1100, then 6 kft agl until 1200, then 10 kft agl until 1400, then 11 kft agl until 1700, then 10 kft agl. * Transport Winds.....Variable less than 10 mph until 1100, then southwest 15 mph until 1500, then 20 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...0 percent. .TONIGHT... * Sky/Weather.........Mostly cloudy. Haze. Slight chance of rain showers and thunderstorms. * Min Temperature.....45-55. * Max Humidity........80-90 percent valleys and 64-74 percent ridges. * 20-Foot Winds....... * Lower Elevation......Northwest 5-10 mph. * Ridge Top............Northwest 5-10 mph. * Mixing Height.......8 kft agl until 1900. 1-2 kft agl after 2000. * Transport Winds.....Northwest 15 mph until 2400, then variable less than 10 mph. * Chance Lightning....20 percent in the Darby, Sula, and West Fork Districts...and 15 percent in areas north of Hamilton. * CWR (> 0.10 Inch)...0 percent. .THURSDAY... * Sky/Weather.........Partly cloudy. Slight chance of rain in the morning, then rain showers likely and chance of thunderstorms in the afternoon. * Max Temperature.....75-80 valleys and 60-70 ridges. * Min Humidity........38-48 percent. * 20-Foot Winds....... * Lower Elevation......West 5-15 mph. * Ridge Top............West 5-15 mph. * Mixing Height.......3 kft agl until 1000, then 5 kft agl until 1200, then 7 kft agl until 1700, then 5 kft agl. * Transport Winds.....West 10 mph until 1200, then 20 mph. * Chance Lightning....50 percent. * CWR (> 0.10 Inch)...50 percent. .FRIDAY...Partly cloudy with chance of rain showers and thunderstorms. Chance of precipitation 50 percent. Lows 40-50. Highs 60-70. Min humidities 25-35 percent. West winds 10-15 mph. .SATURDAY...Partly cloudy. Lows 45-55. Highs 70-80. Min humidities 20-30 percent. West winds 10-15 mph. .SUNDAY...Partly cloudy. Lows 50-60. Highs 75-85. West winds 5-10 mph. .MONDAY...Mostly clear. Lows 50-60. Highs 80-90. .TUESDAY...Mostly clear. Lows 55-65. Highs 75-85. $$ MTZ110-111-070830- Deerlodge/West Beaverhead-East Beaverhead- 230 AM MDT Wed Aug 6 2025 .TODAY... * Sky/Weather.........Partly cloudy. * Max Temperature.....80-90 valleys and 70-75 ridges. * Min Humidity........12-22 percent. * 20-Foot Winds....... * Lower Elevation......Calm to becoming 5-15 mph in the afternoon. * Ridge Top............Southwest 5-10 mph increasing to 10-20 mph in the afternoon. * Mixing Height.......2 kft agl until 1000. Greater than 12 kft agl after 1600. * Transport Winds.....South 10 mph until 1100, then southwest 20 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...0 percent. .TONIGHT... * Sky/Weather.........Partly cloudy. Slight chance of rain showers and thunderstorms. * Min Temperature.....38-48 valleys and 45-55 ridges. * Max Humidity........75-85 percent valleys and 52-62 percent ridges. * 20-Foot Winds....... * Lower Elevation......West 5-15 mph. * Ridge Top............West 10-20 mph decreasing to 5-10 mph after midnight. * Mixing Height.......11 kft agl until 1900. Below 500 ft to 1 kft agl after 0200. * Transport Winds.....West 15 mph until 2100, then northwest 10 mph. * Chance Lightning....20 percent. * CWR (> 0.10 Inch)...0 percent. .THURSDAY... * Sky/Weather.........Partly cloudy. Chance of thunderstorms in the afternoon. * Max Temperature.....70-80 valleys and 65-70 ridges. * Min Humidity........24-34 percent. * 20-Foot Winds....... * Lower Elevation......Calm to becoming west 10-20 mph in the afternoon. * Ridge Top............Southwest 10-20 mph. * Mixing Height.......2 kft agl until 1000. 10 kft agl after 1400. * Transport Winds.....West 10 mph until 1100. Southwest 25 mph after 1300. * Chance Lightning....60 percent in the Deerlodge/West Beaverhead...and 50 percent in the East Beaverhead. * CWR (> 0.10 Inch)...20 percent. .FRIDAY...Cooler. Partly cloudy with slight chance of rain showers and thunderstorms. Chance of precipitation 20 percent. Lows 40-50. Highs 60-70. Min humidities 10-20 percent. West winds 10-20 mph. .SATURDAY...Partly cloudy. Lows 40-50. Highs 65-75. Min humidities 15-25 percent. West winds 10-20 mph. .SUNDAY...Partly cloudy. Lows 45-55. Highs 75-85. Northwest winds 10-15 mph. .MONDAY...Mostly clear. Lows 50-60. Highs 80-90. .TUESDAY...Mostly clear. Lows 50-60. Highs 80-90. $$