


Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Missoula, MT
Issued by NWS Missoula, MT
619 FNUS55 KMSO 150957 FWFMSO Fire Weather Planning Forecast for Wrn Montana and N Cntrl Idaho National Weather Service Missoula MT 357 AM MDT Tue Jul 15 2025 .DISCUSSION... Idaho (Zones 102 and 103): A cold front approaching from the north will bring northerly winds and cooler daytime high temperatures. Some instability will result in a slight chance for afternoon thunderstorms. Expect decreasing clouds and seasonable temperatures on Wednesday. A warming, drying trend will take place through the end of the week. Northwest MT (Zones 104 and 105): A strong low pressure circulation will bring rain to northwest Montana today. Wetting rains are likely, with the highest rain amounts of 0.50 to 1.00 inches in Glacier Park and northern sections of the Flathead by this afternoon. The Kootenai can expect about 0.20 to 0.80 inches. Northeast winds gusting to 40 mph in the higher terrain will accompany the precipitation. Some instability will keep a slight chance for thunderstorms in the forecast as well. Clouds will decrease on Wednesday ahead of a warming and drying trend taking place through the end of the week. West Central MT (Zones 106, 107 and 108): A strong low pressure circulation over northwest Montana will bring rain to west-central Montana today. Rainfall amounts will decrease from north to south. The CSKT should see about 0.20 to 0.50 inches, while about 0.10 will be average for much of the Lolo NF. Northeast winds gusting to about 30 mph in the higher terrain will accompany the precipitation. Some instability will keep a slight chance for thunderstorms in the forecast as well. Clouds will decrease on Wednesday ahead of a warming and drying trend taking place through the end of the week. Southwest MT (Zones 109, 110 and 111): A strong low pressure circulation over northwest Montana will bring chances of rain to southwest Montana today. Rainfall amounts will be modest, with chances for wetting rains of about 20-50% on the Beaverhead-Deerlodge and northern Bitterroot. Some instability will keep a chance for thunderstorms in the forecast as well. Clouds will decrease on Wednesday ahead of a warming and drying trend taking place through the end of the week. IDZ102-103-161000- Palouse/Hells Canyon-Clearwater/Nez Perce- 257 AM PDT Tue Jul 15 2025 .TODAY... * Sky/Weather.........Partly cloudy. Areas of smoke in the morning. Chance of rain. Slight chance of thunderstorms in the afternoon. * Max Temperature.....80-90 valleys and 63-73 ridges. * Min Humidity........33-43 percent valleys and 43-53 percent ridges. * 20-Foot Winds....... * Lower Elevation......North 5-15 mph. * Ridge Top............North 10-20 mph. * Mixing Height.......3 kft agl until 0900. 7 kft agl after 1400. * Transport Winds.....Northwest 10 mph until 1500, then north 15 mph. * Chance Lightning....Near 0 percent in the Palouse/Hells Canyon...and 20 percent in the Clearwater/Nez Perce. * CWR (> 0.10 Inch)...0 percent. .TONIGHT... * Sky/Weather.........Partly cloudy. * Min Temperature.....45-55. * Max Humidity........64-74 percent. * 20-Foot Winds....... * Lower Elevation......Northeast 10-20 mph. * Ridge Top............North 10-20 mph increasing to east 20-30 mph after midnight. * Mixing Height.......6 kft agl until 2000. Below 500 ft to 1 kft agl after 2100. * Transport Winds.....Northeast 15 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...0 percent. .WEDNESDAY... * Sky/Weather.........Mostly sunny. * Max Temperature.....88-98 valleys and 70-80 ridges. * Min Humidity........17-27 percent. * 20-Foot Winds....... * Lower Elevation......Calm to becoming upslope/upvalley 4-8 mph in the afternoon. * Ridge Top............Southeast 20-30 mph becoming west 5-10 mph in the afternoon. * Mixing Height.......2 kft agl until 1000. 8 kft agl after 1500. * Transport Winds.....East 10 mph until 1100, 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. .THURSDAY...Clear. Lows 55-65. Highs 85-95. Min humidities 15-25 percent. Southwest winds 10-15 mph. .FRIDAY...Mostly clear. Lows 55-65. Highs 85-95. Min humidities 15-25 percent. West winds 10-15 mph. .SATURDAY...Mostly clear. Lows 55-65. Highs 85-95. West winds 10-15 mph. .SUNDAY...Mostly clear. Lows 55-65. Highs 80-90. .MONDAY...Mostly clear. Lows 55-65. Highs 80-90. $$ MTZ104-105-161000- Kootenai-Flathead/Glacier Park- 357 AM MDT Tue Jul 15 2025 .TODAY... * Sky/Weather.........Mostly cloudy. Slight chance of thunderstorms in the morning. Rain showers. * Max Temperature.....60-70 valleys and 48-58 ridges. * Min Humidity........43-53 percent valleys and 64-74 percent ridges. * 20-Foot Winds....... * Lower Elevation......Northeast 5-15 mph. * Ridge Top............Northeast 30-40 mph decreasing to 15-25 mph in the afternoon. * Mixing Height.......4 kft agl until 1300, then 5 kft agl. * Transport Winds.....Northeast 25 mph. * Chance Lightning....Near 0 percent in the Kootenai...and 25 percent in the Flathead/Glacier Park. * CWR (> 0.10 Inch)...60 percent in the Kootenai...and 90 percent in the Flathead/Glacier Park. .TONIGHT... * Sky/Weather.........Partly cloudy. Slight chance of rain. * Min Temperature.....35-45. * Max Humidity........100 percent valleys and 76-86 percent ridges. * 20-Foot Winds....... * Lower Elevation......Northeast 15-25 mph. * Ridge Top............East 20-30 mph. * Mixing Height.......4 kft agl until 2100, then below 500 ft to 1 kft agl. * Transport Winds.....East 15 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...0 percent. .WEDNESDAY... * Sky/Weather.........Partly cloudy. * Max Temperature.....75-85 valleys and 60-70 ridges. * Min Humidity........22-32 percent valleys and 39-49 percent ridges. * 20-Foot Winds....... * Lower Elevation......Calm to becoming upslope/upvalley 4-8 mph in the afternoon. * Ridge Top............East 20-30 mph becoming south 5-10 mph in the afternoon. * Mixing Height.......3 kft agl until 1000. 7 kft agl after 1700. * Transport Winds.....East 10 mph until 1200. Variable less than 10 mph after 1700. * Chance Lightning....0 percent in the Kootenai...and near 0 percent in the Flathead/Glacier Park. * CWR (> 0.10 Inch)...0 percent. .THURSDAY...Mostly clear. Lows 50-60. Highs 75-85. Min humidities 20-30 percent. South winds 10-15 mph. .FRIDAY...Mostly clear. Lows 50-60. Highs 75-85. Min humidities 15-25 percent. North winds 5-10 mph. .SATURDAY...Partly cloudy. Lows 55-65. Highs 75-85. Southwest winds 10-15 mph. .SUNDAY...Partly cloudy. Lows 55-65. Highs 70-80. .MONDAY...Partly cloudy with slight chance of rain showers and thunderstorms. Chance of precipitation 20 percent. Lows 50-60. Highs 70-80. $$ MTZ106-108-161000- West Lolo-East Lolo- 357 AM MDT Tue Jul 15 2025 .TODAY... * Sky/Weather.........Mostly cloudy. Rain showers likely and slight chance of thunderstorms. * Max Temperature.....60-70 valleys and 50-60 ridges. * Min Humidity........49-59 percent valleys and 65-75 percent ridges. * 20-Foot Winds....... * Lower Elevation......Northeast 15-25 mph. * Ridge Top............Northeast 20-30 mph decreasing to 10-20 mph in the afternoon. * Mixing Height.......4 kft agl until 1200, then 5 kft agl. * Transport Winds.....Northeast 20 mph. * Chance Lightning....20 percent in the West Lolo...and 30 percent in the East Lolo. * CWR (> 0.10 Inch)...40 percent. .TONIGHT... * Sky/Weather.........Partly cloudy. Slight chance of rain. * Min Temperature.....40-50. * Max Humidity........75-85 percent. * 20-Foot Winds....... * Lower Elevation......East 10-20 mph. * Ridge Top............East 20-30 mph. * Mixing Height.......4 kft agl until 2100, then 1-2 kft agl. * Transport Winds.....East 15 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...0 percent. .WEDNESDAY... * Sky/Weather.........Partly cloudy. * Max Temperature.....78-88 valleys and 70-80 ridges. * Min Humidity........19-29 percent valleys and 28-38 percent ridges. * 20-Foot Winds....... * Lower Elevation......Calm to variable less than 7 mph. * Ridge Top............East 20-30 mph becoming southeast 5-10 mph in the afternoon. * Mixing Height.......2 kft agl until 0900. 8 kft agl after 1600. * Transport Winds.....East 15 mph until 1200, then variable less than 10 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...0 percent. .THURSDAY...Mostly clear. Lows 50-60. Highs 80-90. Min humidities 10-20 percent. South winds 10-15 mph. .FRIDAY...Mostly clear. Lows 50-60. Highs 80-90. Min humidities 15-25 percent. West winds 10-15 mph. .SATURDAY...Partly cloudy. Lows 55-65. Highs 80-90. Southwest winds 10-15 mph. .SUNDAY...Partly cloudy. Lows 55-65. Highs 75-85. .MONDAY...Partly cloudy. Lows 50-60. Highs 75-85. $$ MTZ107-161000- Flathead Reservation- 357 AM MDT Tue Jul 15 2025 .TODAY... * Sky/Weather.........Mostly cloudy. Rain showers and slight chance of thunderstorms in the morning, then chance of rain in the afternoon. * Max Temperature.....65-70 valleys and 45-50 ridges. * Min Humidity........46-56 percent valleys and 67-77 percent ridges. * 20-Foot Winds....... * Lower Elevation......North 10-20 mph. * Ridge Top............Northeast 25-35 mph decreasing to 10-20 mph in the afternoon. * Mixing Height.......4 kft agl. * Transport Winds.....Northeast 20 mph. * Chance Lightning....20 percent in areas west of Highway 93...and 25 percent in the Mission Mtns and areas east of Highway 93. * CWR (> 0.10 Inch)...70 percent. .TONIGHT... * Sky/Weather.........Partly cloudy. * Min Temperature.....40-50. * Max Humidity........73-83 percent. * 20-Foot Winds....... * Lower Elevation......Northeast 15-25 mph. * Ridge Top............Northeast 15-25 mph increasing to east 25-35 mph after midnight. * Mixing Height.......3 kft agl until 2100, then below 500 ft to 1 kft agl. * Transport Winds.....Northeast 15 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...0 percent. .WEDNESDAY... * Sky/Weather.........Partly cloudy. * Max Temperature.....80-85 valleys and 60-65 ridges. * Min Humidity........23-33 percent valleys and 35-45 percent ridges. * 20-Foot Winds....... * Lower Elevation......Calm to variable less than 7 mph. * Ridge Top............Southeast 25-35 mph becoming south 5-10 mph in the afternoon. * Mixing Height.......3 kft agl until 1000. 6 kft agl after 1300. * Transport Winds.....East 10 mph until 1100. Variable less than 10 mph after 1700. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...0 percent. .THURSDAY...Mostly clear. Lows 55-65. Highs 80-90. Min humidities 10-20 percent. Southeast winds 5-10 mph. .FRIDAY...Mostly clear. Lows 55-65. Highs 85-95. Min humidities 10-20 percent. North winds 10-15 mph. .SATURDAY...Partly cloudy. Lows 55-65. Highs 85-95. Southwest winds 10-15 mph. .SUNDAY...Partly cloudy. Lows 55-65. Highs 80-90. .MONDAY...Partly cloudy. Lows 55-65. Highs 75-85. $$ MTZ109-161000- Bitterroot- 357 AM MDT Tue Jul 15 2025 .TODAY... * Sky/Weather.........Partly cloudy. Chance of rain showers and slight chance of thunderstorms. * Max Temperature.....70-75 valleys and 60-65 ridges. * Min Humidity........43-53 percent valleys and 55-65 percent ridges. * 20-Foot Winds....... * Lower Elevation......North 10-20 mph. * Ridge Top............North 10-20 mph. * Mixing Height.......3 kft agl until 0900. 6 kft agl after 1100. * Transport Winds.....North 15 mph. * Chance Lightning....30 percent in the Darby, Sula, and West Fork Districts...and 25 percent in areas north of Hamilton. * CWR (> 0.10 Inch)...0 percent in the Darby, Sula, and West Fork Districts...and 20 percent in areas north of Hamilton. .TONIGHT... * Sky/Weather.........Partly cloudy. * Min Temperature.....40-50. * Max Humidity........88-98 percent valleys and 79-89 percent ridges. * 20-Foot Winds....... * Lower Elevation......North 10-20 mph becoming northeast 5-10 mph after midnight. * Ridge Top............Northeast 15-25 mph increasing to east 25-35 mph after midnight. * Mixing Height.......4 kft agl until 2100, then 1-2 kft agl. * Transport Winds.....Northeast 20 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...0 percent. .WEDNESDAY... * Sky/Weather.........Partly cloudy. * Max Temperature.....85-90 valleys and 70-75 ridges. * Min Humidity........15-25 percent valleys and 22-32 percent ridges. * 20-Foot Winds....... * Lower Elevation......Calm to variable less than 7 mph. * Ridge Top............East 20-30 mph becoming southwest 5-10 mph in the afternoon. * Mixing Height.......3 kft agl until 1000. 8 kft agl after 1600. * Transport Winds.....East 15 mph until 0900, then variable less than 10 mph until 1200, then west 10 mph until 1700, then 10 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...0 percent. .THURSDAY...Mostly clear. Lows 50-60. Highs 80-90. Min humidities 10-20 percent. West winds 10-15 mph. .FRIDAY...Mostly clear. Lows 55-65. Highs 80-90. Min humidities 15-25 percent. West winds 10-15 mph. .SATURDAY...Mostly clear. Lows 55-65. Highs 80-90. West winds 10-15 mph. .SUNDAY...Partly cloudy. Lows 55-65. Highs 75-85. .MONDAY...Partly cloudy. Lows 50-60. Highs 75-85. $$ MTZ110-111-161000- Deerlodge/West Beaverhead-East Beaverhead- 357 AM MDT Tue Jul 15 2025 .TODAY... * Sky/Weather.........Partly cloudy. Chance of rain showers and thunderstorms. * Max Temperature.....60-70. * Min Humidity........43-53 percent. * 20-Foot Winds....... * Lower Elevation......Northeast 5-15 mph increasing to north 15-25 mph in the afternoon. * Ridge Top............Southeast 10-20 mph becoming northwest in the afternoon. * Mixing Height.......3 kft agl until 1000, then 4 kft agl until 1100, then 6 kft agl until 1200, then 8 kft agl until 1600, then 6 kft agl. * Transport Winds.....Northeast 10 mph until 1100, then north 20 mph. * Chance Lightning....40 percent in the Deerlodge/West Beaverhead...and 50 percent in the East Beaverhead. * CWR (> 0.10 Inch)...20 percent in the Deerlodge/West Beaverhead...and 50 percent in the East Beaverhead. .TONIGHT... * Sky/Weather.........Partly cloudy. Chance of rain showers and slight chance of thunderstorms. * Min Temperature.....40-50. * Max Humidity........100 percent valleys and 87-94 percent ridges. * 20-Foot Winds....... * Lower Elevation......North 15-25 mph becoming northeast 5-15 mph after midnight. * Ridge Top............Northeast 15-25 mph. * Mixing Height.......1-2 kft agl. * Transport Winds.....Northeast 20 mph until 0300, then 10 mph. * Chance Lightning....20 percent in the Deerlodge/West Beaverhead...and 30 percent in the East Beaverhead. * CWR (> 0.10 Inch)...10 percent. .WEDNESDAY... * Sky/Weather.........Partly cloudy. * Max Temperature.....75-80 valleys and 60-70 ridges. * Min Humidity........18-28 percent valleys and 24-34 percent ridges. * 20-Foot Winds....... * Lower Elevation......Calm to variable less than 7 mph. * Ridge Top............Northeast 20-30 mph becoming west 5-10 mph in the afternoon. * Mixing Height.......3 kft agl until 1100. 7 kft agl after 1400. * Transport Winds.....Northeast 10 mph until 1100, then variable less than 10 mph until 1200, then west 10 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...0 percent. .THURSDAY...Mostly clear. Lows 45-55. Highs 80-90. Min humidities 15-25 percent. Southwest winds 10-15 mph. .FRIDAY...Mostly clear. Lows 50-60. Highs 80-90. Min humidities 10-20 percent. West winds 10-20 mph. .SATURDAY...Mostly clear. Lows 50-60. Highs 80-90. Southwest winds 10-20 mph. .SUNDAY...Partly cloudy. Lows 50-60. Highs 80-90. .MONDAY...Partly cloudy. Lows 50-60. Highs 75-85. $$