


Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Missoula, MT
Issued by NWS Missoula, MT
624 FNUS55 KMSO 082035 FWFMSO Fire Weather Planning Forecast for Wrn Montana and N Cntrl Idaho National Weather Service Missoula MT 235 PM MDT Fri Aug 8 2025 .DISCUSSION... Idaho (Zones 102 and 103): Expect a return to summer-like temperatures by Sunday as a warming and drying trend takes hold this weekend, driven by high pressure building to the west. Northwest MT (Zones 104 and 105): Expect a return to summer-like temperatures by Sunday as a warming and drying trend takes hold this weekend, driven by high pressure building to the west. West Central MT (Zones 106, 107 and 108): Expect a return to summer- like temperatures by Sunday as a warming and drying trend takes hold this weekend, driven by high pressure building to the west. Southwest MT (Zones 109, 110 and 111): Expect a return to summer-like temperatures by Sunday as a warming and drying trend takes hold this weekend, driven by high pressure building to the west. IDZ102-103-092045- Palouse/Hells Canyon-Clearwater/Nez Perce- 135 PM PDT Fri Aug 8 2025 .TONIGHT... * Sky/Weather.........Partly cloudy. * Min Temperature.....45-55. * Max Humidity........48-58 percent. * 20-Foot Winds....... * Lower Elevation......West 5-10 mph becoming variable less than 5 mph after midnight. * Ridge Top............Northwest 5-15 mph. * Mixing Height.......7 kft agl until 2000. Below 500 ft to 1 kft agl after 2100. * Transport Winds.....West 10 mph until 0100, then variable less than 10 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...0 percent. .SATURDAY... * Sky/Weather.........Partly cloudy. * Max Temperature.....80-90 valleys and 65-75 ridges. * Min Humidity........19-29 percent valleys and 27-37 percent ridges. * 20-Foot Winds....... * Lower Elevation......Calm to becoming upslope/upvalley 4-8 mph in the afternoon. * Ridge Top............Northwest 5-10 mph. * Mixing Height.......1-2 kft agl until 1000. 9 kft agl after 1400. * Transport Winds.....Variable less than 10 mph until 1000, then northwest 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. .SATURDAY NIGHT... * Sky/Weather.........Partly cloudy. * Min Temperature.....48-58. * Max Humidity........58-68 percent valleys and 52-62 percent ridges. * 20-Foot Winds....... * Lower Elevation......Downslope/downvalley 1-3 mph. * Ridge Top............Northwest 5-10 mph. * Mixing Height.......8 kft agl until 1900. Below 500 ft to 1 kft agl after 2100. * Transport Winds.....Northwest 10 mph until 0100, then 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. .SUNDAY... * Sky/Weather.........Mostly sunny. * Max Temperature.....85-95 valleys and 70-80 ridges. * Min Humidity........20-30 percent valleys and 28-38 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 northwest 5-10 mph in the afternoon. * Mixing Height.......1-2 kft agl until 1000. 8 kft agl after 1300. * Transport Winds.....Variable less than 10 mph until 1100, then northwest 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...Mostly clear. Lows 55-65. Highs 85-95. Min humidities 10-20 percent. Southwest winds 5-10 mph. .TUESDAY...Mostly clear. Lows 60-70. Highs 85-95. Min humidities 10-20 percent. Southwest winds 5-10 mph. .WEDNESDAY...Mostly clear. Lows 60-70. Highs 85-95. Southwest winds 10-15 mph. .THURSDAY...Not as warm. Mostly clear. Lows 55-65. Highs 75-85. .FRIDAY...Partly cloudy. Lows 50-60. Highs 75-85. $$ MTZ104-105-092045- Kootenai-Flathead/Glacier Park- 235 PM MDT Fri Aug 8 2025 .TONIGHT... * Sky/Weather.........Partly cloudy. Chance of rain showers and thunderstorms. * Min Temperature.....45-55. * Max Humidity........87-97 percent valleys and 71-81 percent ridges. * 20-Foot Winds....... * Lower Elevation......West 5-10 mph in the evening becoming downslope/downvalley 2-5 mph. * Ridge Top............West 10-20 mph. * Mixing Height.......6 kft agl until 2000, then below 500 ft to 1 kft agl. * Transport Winds.....West 15 mph until 0500, then variable less than 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 20 percent in the Flathead/Glacier Park. .SATURDAY... * Sky/Weather.........Partly cloudy. Slight chance of thunderstorms in the afternoon. * Max Temperature.....75-85 valleys and 60-70 ridges. * Min Humidity........27-37 percent valleys and 41-51 percent ridges. * 20-Foot Winds....... * Lower Elevation......Calm to becoming upslope/upvalley 4-8 mph in the afternoon. * Ridge Top............West 5-15 mph. * Mixing Height.......3 kft agl until 1000. 9 kft agl after 1400. * Transport Winds.....West 10 mph until 1500, then 15 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...0 percent. .SATURDAY NIGHT... * Sky/Weather.........Partly cloudy. * Min Temperature.....45-55. * Max Humidity........83-93 percent valleys and 60-70 percent ridges. * 20-Foot Winds....... * Lower Elevation......Downslope/downvalley 1-3 mph. * Ridge Top............West 5-15 mph. * Mixing Height.......8 kft agl until 1900. Below 500 ft to 1 kft agl after 2100. * Transport Winds.....West 15 mph until 2200, then 10 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...0 percent. .SUNDAY... * Sky/Weather.........Mostly sunny. * Max Temperature.....80-90 valleys and 65-75 ridges. * Min Humidity........24-34 percent valleys and 35-45 percent ridges. * 20-Foot Winds....... * Lower Elevation......Calm to becoming upslope/upvalley 4-8 mph in the afternoon. * Ridge Top............West 5-15 mph. * Mixing Height.......2 kft agl until 1000. 8 kft agl after 1600. * Transport Winds.....West 10 mph. * Chance Lightning....0 percent in the Kootenai...and near 0 percent in the Flathead/Glacier Park. * CWR (> 0.10 Inch)...0 percent. .MONDAY...Mostly clear. Lows 55-65. Highs 80-90. Min humidities 20-30 percent. West winds 5-10 mph. .TUESDAY...Mostly clear. Slight chance of rain showers and thunderstorms. Chance of precipitation 20 percent. Lows 55-65. Highs 75-85. Min humidities 15-25 percent. Southwest winds 10-15 mph. .WEDNESDAY...Mostly clear. Lows 55-65. Highs 75-85. South winds 10-20 mph. .THURSDAY...Partly cloudy. Lows 50-60. Highs 70-80. .FRIDAY...Partly cloudy. Lows 50-60. Highs 65-75. $$ MTZ106-108-092045- West Lolo-East Lolo- 235 PM MDT Fri Aug 8 2025 .TONIGHT... * Sky/Weather.........Partly cloudy. * Min Temperature.....43-53. * Max Humidity........66-76 percent valleys and 59-69 percent ridges. * 20-Foot Winds....... * Lower Elevation......West 10-15 mph in the evening becoming downslope/downvalley 5-10 mph. * Ridge Top............West 10-20 mph. * Mixing Height.......6 kft agl until 2000. Below 500 ft to 1 kft agl after 2100. * Transport Winds.....West 20 mph until 2100, then 10 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...0 percent. .SATURDAY... * Sky/Weather.........Partly cloudy. * Max Temperature.....75-85 valleys and 68-78 ridges. * Min Humidity........20-30 percent valleys and 26-36 percent ridges. * 20-Foot Winds....... * Lower Elevation......Calm to variable less than 7 mph. * Ridge Top............West 5-10 mph. * Mixing Height.......2 kft agl until 1000. 9 kft agl after 1400. * Transport Winds.....West 10 mph until 1200, then 15 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...0 percent. .SATURDAY NIGHT... * Sky/Weather.........Partly cloudy. * Min Temperature.....45-55. * Max Humidity........60-70 percent valleys and 51-61 percent ridges. * 20-Foot Winds....... * Lower Elevation......West 5-10 mph. * Ridge Top............West 5-10 mph. * Mixing Height.......8 kft agl until 1900. Below 500 ft to 1 kft agl after 2100. * Transport Winds.....West 15 mph until 2300, then variable less than 10 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...0 percent. .SUNDAY... * Sky/Weather.........Mostly sunny. * Max Temperature.....80-90 valleys and 73-83 ridges. * Min Humidity........18-28 percent valleys and 26-36 percent ridges. * 20-Foot Winds....... * Lower Elevation......Calm to variable less than 7 mph. * Ridge Top............West 5-10 mph. * Mixing Height.......2 kft agl until 1000. 9 kft agl after 1500. * Transport Winds.....West 10 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...0 percent. .MONDAY...Mostly clear. Lows 55-65. Highs 80-90. Min humidities 15-25 percent. West winds 5-10 mph. .TUESDAY...Mostly clear. Slight chance of rain showers and thunderstorms. Chance of precipitation 20 percent. Lows 55-65. Highs 80-90. Min humidities 10-20 percent. Southwest winds 5-10 mph. .WEDNESDAY...Mostly clear. Lows 55-65. Highs 80-90. Southwest winds 10-15 mph. .THURSDAY...Mostly clear. Lows 55-65. Highs 75-85. .FRIDAY...Partly cloudy. Lows 50-60. Highs 70-80. $$ MTZ107-092045- Flathead Reservation- 235 PM MDT Fri Aug 8 2025 .TONIGHT... * Sky/Weather.........Partly cloudy. Slight chance of rain showers and thunderstorms. * Min Temperature.....45-55. * Max Humidity........57-67 percent. * 20-Foot Winds....... * Lower Elevation......West 5-15 mph becoming variable less than 5 mph after midnight. * Ridge Top............West 10-20 mph. * Mixing Height.......6 kft agl until 2000. Below 500 ft to 1 kft agl after 2100. * Transport Winds.....West 15 mph until 0500, then variable less than 10 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...0 percent. .SATURDAY... * Sky/Weather.........Partly cloudy. * Max Temperature.....80-85 valleys and 60-65 ridges. * Min Humidity........20-30 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............West 5-15 mph. * Mixing Height.......2 kft agl until 1000. 10 kft agl after 1400. * Transport Winds.....West 10 mph until 1500, then 15 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...0 percent. .SATURDAY NIGHT... * Sky/Weather.........Partly cloudy. * Min Temperature.....50-60. * Max Humidity........65-75 percent valleys and 57-67 percent ridges. * 20-Foot Winds....... * Lower Elevation......Southwest 5-10 mph. * Ridge Top............Southwest 5-10 mph. * Mixing Height.......9 kft agl until 1900. Below 500 ft to 1 kft agl after 2100. * Transport Winds.....West 15 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.....85-90 valleys and 65-70 ridges. * Min Humidity........20-30 percent valleys and 32-42 percent ridges. * 20-Foot Winds....... * Lower Elevation......Calm to variable less than 7 mph. * Ridge Top............West 10-15 mph. * Mixing Height.......2 kft agl until 1000. 9 kft agl after 1600. * Transport Winds.....Variable less than 10 mph until 1100, then northwest 10 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...0 percent. .MONDAY...Mostly clear. Lows 55-65. Highs 85-95. Min humidities 15-25 percent. Southwest winds 5-10 mph. .TUESDAY...Mostly clear. Slight chance of rain showers and thunderstorms. Chance of precipitation 20 percent. Lows 60-70. Highs 85-95. Min humidities 10-20 percent. Southwest winds 10-15 mph. .WEDNESDAY...Mostly clear. Slight chance of rain showers and thunderstorms. Chance of precipitation 20 percent. Lows 55-65. Highs 80-90. Southwest winds 10-20 mph. .THURSDAY...Mostly clear. Lows 55-65. Highs 75-85. .FRIDAY...Partly cloudy. Lows 55-65. Highs 75-85. $$ MTZ109-092045- Bitterroot- 235 PM MDT Fri Aug 8 2025 .TONIGHT... * Sky/Weather.........Partly cloudy. * Min Temperature.....40-50. * Max Humidity........75-85 percent valleys and 60-70 percent ridges. * 20-Foot Winds....... * Lower Elevation......West 10-15 mph becoming variable less than 5 mph after midnight. * Ridge Top............West 5-15 mph. * Mixing Height.......6 kft agl until 2000. 1-2 kft agl after 2100. * Transport Winds.....West 15 mph until 2300, then variable less than 10 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...0 percent. .SATURDAY... * Sky/Weather.........Partly cloudy. * Max Temperature.....80-85 valleys and 65-70 ridges. * Min Humidity........25-35 percent. * 20-Foot Winds....... * Lower Elevation......Calm to becoming upslope/upvalley 4-8 mph in the afternoon. * Ridge Top............Northwest 5-10 mph. * Mixing Height.......2 kft agl until 1000. 9 kft agl after 1400. * Transport Winds.....Variable less than 10 mph until 1100, then northwest 10 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...0 percent. .SATURDAY NIGHT... * Sky/Weather.........Partly cloudy. * Min Temperature.....45-55. * Max Humidity........73-83 percent valleys and 53-63 percent ridges. * 20-Foot Winds....... * Lower Elevation......Northwest 5-10 mph in the evening becoming downslope/downvalley 2-5 mph. * Ridge Top............Northwest 5-10 mph. * Mixing Height.......8 kft agl until 1900. Below 500 ft to 1 kft agl after 2100. * Transport Winds.....Northwest 10 mph until 0500, then variable less than 10 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...0 percent. .SUNDAY... * Sky/Weather.........Mostly sunny. * Max Temperature.....85-90 valleys and 70-75 ridges. * Min Humidity........24-34 percent. * 20-Foot Winds....... * Lower Elevation......Calm to becoming upslope/upvalley 4-8 mph in the afternoon. * Ridge Top............West 5-10 mph. * Mixing Height.......2 kft agl until 1000. 8 kft agl after 1300. * Transport Winds.....West 10 mph until 1200, then northwest 10 mph. * Chance Lightning....0 percent in the Darby, Sula, and West Fork Districts...and near 0 percent in areas north of Hamilton. * CWR (> 0.10 Inch)...0 percent. .MONDAY...Mostly clear. Lows 50-60. Highs 80-90. Min humidities 10-20 percent. West winds 5-10 mph. .TUESDAY...Mostly clear. Slight chance of rain showers and thunderstorms. Chance of precipitation 20 percent. Lows 55-65. Highs 80-90. Min humidities 10-20 percent. Southwest winds 5-10 mph. .WEDNESDAY...Mostly clear. Lows 55-65. Highs 80-90. Southwest winds 10-20 mph. .THURSDAY...Mostly clear. Lows 50-60. Highs 75-85. .FRIDAY...Partly cloudy. Lows 50-60. Highs 70-80. $$ MTZ110-111-092045- Deerlodge/West Beaverhead-East Beaverhead- 235 PM MDT Fri Aug 8 2025 .TONIGHT... * Sky/Weather.........Partly cloudy. * Min Temperature.....35-45. * Max Humidity........84-94 percent valleys and 62-72 percent ridges. * 20-Foot Winds....... * Lower Elevation......Northwest 15-25 mph becoming southwest 5-10 mph after midnight. * Ridge Top............Northwest 10-20 mph. * Mixing Height.......8 kft agl until 2000. Below 500 ft to 1 kft agl after 2100. * Transport Winds.....West 20 mph until 2100, then northwest 10 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...0 percent. .SATURDAY... * Sky/Weather.........Partly cloudy. * Max Temperature.....70-75 valleys and 60-65 ridges. * Min Humidity........20-30 percent. * 20-Foot Winds....... * Lower Elevation......Northwest 5-15 mph. * Ridge Top............Northwest 5-15 mph. * Mixing Height.......3 kft agl until 1000. 9 kft agl after 1400. * Transport Winds.....Northwest 10 mph until 1600, then 15 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...0 percent. .SATURDAY NIGHT... * Sky/Weather.........Partly cloudy. * Min Temperature.....33-43 valleys and 40-45 ridges. * Max Humidity........78-88 percent valleys and 58-68 percent ridges. * 20-Foot Winds....... * Lower Elevation......Northwest 5-15 mph in the evening becoming downslope/downvalley 2-5 mph. * Ridge Top............Northwest 5-15 mph. * Mixing Height.......9 kft agl until 1900. Below 500 ft to 1 kft agl after 2100. * Transport Winds.....Northwest 15 mph until 0100, then variable less than 10 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...0 percent. .SUNDAY... * Sky/Weather.........Mostly sunny. * Max Temperature.....75-85 valleys and 65-70 ridges. * Min Humidity........18-28 percent. * 20-Foot Winds....... * Lower Elevation......Calm to becoming upslope/upvalley 4-8 mph in the afternoon. * Ridge Top............Northwest 5-15 mph. * Mixing Height.......1-2 kft agl until 0900. 9 kft agl after 1300. * Transport Winds.....Northwest 10 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...0 percent. .MONDAY...Mostly clear. Lows 50-60. Highs 80-90. Min humidities 15-25 percent. West winds 10-15 mph. .TUESDAY...Mostly clear. Lows 50-60. Highs 80-90. Min humidities 15-25 percent. West winds 10-15 mph. .WEDNESDAY...Mostly clear. Lows 50-60. Highs 80-90. Southwest winds 15-25 mph. .THURSDAY...Mostly clear. Lows 50-60. Highs 75-85. .FRIDAY...Partly cloudy. Lows 45-55. Highs 70-80. $$