FNUS55 KMSO 090850 FWFMSO Fire Weather Planning Forecast for Wrn Montana and N Cntrl Idaho National Weather Service Missoula MT 250 AM MDT Thu Jul 9 2026 .DISCUSSION... Idaho (Zones 102 and 103): Today will be slightly cooler but dry with west to northwest winds. Building high pressure will bring unseasonably hot temperatures and low relative humidity this weekend. Early next week, an influx of subtropical moisture will bring increased chances of thunderstorms, initially capable of gusty winds, then transitioning to rain producing. Northwest MT (Zones 104 and 105): Today will be slightly cooler but dry with west to northwest winds. Building high pressure will bring unseasonably hot temperatures and low relative humidity this weekend, combining with an upper-level jet streak to create elevated fire weather conditions. Early next week, an influx of subtropical moisture will bring increased chances of thunderstorms, initially capable of gusty winds, then transitioning to rain producing. West Central MT (Zones 106, 107 and 108): Today will be slightly cooler but dry with west to northwest winds. Building high pressure will bring unseasonably hot temperatures and low relative humidity this weekend, combining with an upper-level jet streak to create elevated fire weather conditions. Early next week, an influx of subtropical moisture will bring increased chances of thunderstorms, initially capable of gusty winds, then transitioning to rain producing. Southwest MT (Zones 109, 110 and 111): Today will be slightly cooler but dry with west to northwest winds. The next chance of thunderstorms comes Friday afternoon and evening, with storms capable of gusty and erratic winds. Building high pressure will bring unseasonably hot temperatures and low relative humidity this weekend, combining with an upper-level jet streak to create near critical fire weather conditions. Early next week, an influx of subtropical moisture will bring increased chances of thunderstorms, initially capable of gusty winds, then transitioning to rain producing. View Weather Briefing videos on our YouTube channel at https://www.youtube.com/NWSMissoula IDZ102-103-100900- Palouse/Hells Canyon-Clearwater/Nez Perce- 150 AM PDT Thu Jul 9 2026 .TODAY... * Sky/Weather.........Mostly sunny. * Max Temperature.....88-98 valleys and 70-80 ridges. * Min Humidity........14-24 percent. * 20-Foot Winds....... * Lower Elevation......Calm to variable less than 7 mph. * Ridge Top............West 5-15 mph. * Mixing Height.......1-2 kft agl until 1000. 6 kft agl after 1500. * Transport Winds.....West 10 mph. * Chance Lightning....0 percent. * CWR (> 0.10 Inch)...0 percent. .TONIGHT... * Sky/Weather.........Mostly clear. * Min Temperature.....50-60. * Max Humidity........54-64 percent valleys and 47-57 percent ridges. * 20-Foot Winds....... * Lower Elevation......Downslope/downvalley 1-3 mph. * Ridge Top............Northwest 5-15 mph becoming southwest 5-10 mph after midnight. * Mixing Height.......5 kft agl until 2000. Below 500 ft to 1 kft agl after 2100. * Transport Winds.....Northwest 10 mph until 2200, then variable less than 10 mph. * Chance Lightning....0 percent. * CWR (> 0.10 Inch)...0 percent. .FRIDAY... * Sky/Weather.........Mostly sunny. * Max Temperature.....93-103 valleys and 75-85 ridges. * Min Humidity........14-24 percent. * 20-Foot Winds....... * Lower Elevation......Calm becoming upslope/upvalley 4-8 mph in the afternoon. * Ridge Top............Southwest 5-15 mph. * Mixing Height.......Below 500 ft to 1 kft agl until 1000. 10 kft agl after 1500. * Transport Winds.....Variable less than 10 mph until 0900, then west 10 mph until 1500, then 15 mph. * Chance Lightning....Near 0 percent.* CWR (> 0.10 Inch)...0 percent. .SATURDAY...Mostly clear. Lows 55-65. Highs 85-95. Min humidities 10-20 percent. West winds 10-15 mph. .SUNDAY...Partly cloudy. Lows 55-65. Highs 80-90. Min humidities 10-20 percent. Northwest winds 10-15 mph. .MONDAY...Partly cloudy. Lows 60-70. Highs 85-95. Northwest winds 5-10 mph. .TUESDAY...Partly cloudy. Lows 60-70. Highs 85-95. .WEDNESDAY...Partly cloudy. Lows 60-70. Highs 85-95. $$ MTZ104-105-100900- Kootenai-Flathead/Glacier Park- 250 AM MDT Thu Jul 9 2026 .TODAY... * Sky/Weather.........Partly cloudy. * Max Temperature.....85-90 valleys and 65-75 ridges. * Min Humidity........10-20 percent valleys and 26-36 percent ridges. * 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 0900. 7 kft agl after 1300. * Transport Winds.....Southwest 15 mph until 1300, then west 20 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...0 percent. .TONIGHT... * Sky/Weather.........Partly cloudy. * Min Temperature.....45-55. * Max Humidity........61-71 percent valleys and 49-59 percent ridges. * 20-Foot Winds....... * Lower Elevation......Southwest 5-10 mph in the evening becoming downslope/downvalley 2-5 mph. * Ridge Top............Southwest 10-20 mph. * Mixing Height.......6 kft agl until 2000. Below 500 ft to 1 kft agl after 2100. * Transport Winds.....Southwest 15 mph until 0500, then south 10 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...0 percent. .FRIDAY... * Sky/Weather.........Mostly sunny. * Max Temperature.....85-90 valleys and 70-75 ridges. * Min Humidity........8-18 percent valleys and 22-32 percent ridges. * 20-Foot Winds....... * Lower Elevation......Southwest 10-20 mph. * Ridge Top............Southwest 10-20 mph. * Mixing Height.......Below 500 ft to 1 kft agl until 0900. 9 kft agl after 1400. * Transport Winds.....Southwest 15 mph until 1300, then 20 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...0 percent. .SATURDAY...Mostly clear. Lows 50-60. Highs 80-90. Min humidities 10-20 percent. Southwest winds 10-20 mph. .SUNDAY...Partly cloudy. Lows 55-65. Highs 80-90. Min humidities 10-20 percent. Southwest winds 10-20 mph. .MONDAY...Partly cloudy. Lows 55-65. Highs 80-90. Southwest winds 10-15 mph. .TUESDAY...Partly cloudy. Lows 60-70. Highs 80-90. .WEDNESDAY...Partly cloudy. Lows 60-70. Highs 80-90. $$ MTZ106-108-100900- West Lolo-East Lolo- 250 AM MDT Thu Jul 9 2026 .TODAY... * Sky/Weather.........Partly cloudy. * Max Temperature.....78-88 valleys and 70-80 ridges. * Min Humidity........9-19 percent valleys and 18-28 percent ridges. * 20-Foot Winds....... * Lower Elevation......West 5-15 mph. * Ridge Top............West 5-15 mph. * Mixing Height.......Below 500 ft to 1 kft agl until 0900. 7 kft agl after 1400. * Transport Winds.....West 15 mph. * Chance Lightning....0 percent. * CWR (> 0.10 Inch)...0 percent. .TONIGHT... * Sky/Weather.........Partly cloudy. * Min Temperature.....50-55. * Max Humidity........55-65 percent valleys and 46-56 percent ridges. * 20-Foot Winds....... * Lower Elevation......West 5-10 mph in the evening becoming downslope/downvalley 2-5 mph. * Ridge Top............West 5-15 mph. * Mixing Height.......5 kft agl until 2000. Below 500 ft to 1 kft agl after 2100. * Transport Winds.....West 15 mph until 2200, then variable less than 10 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...0 percent. .FRIDAY... * Sky/Weather.........Mostly sunny. * Max Temperature.....78-88. * Min Humidity........15-25 percent. * 20-FootWinds....... * Lower Elevation......Calm to variable less than 7 mph. * Ridge Top............Southwest 10-15 mph. * Mixing Height.......1-2 kft agl until 1000. 11 kft agl after 1600. * Transport Winds.....Southwest 10 mph until 1200, then 20 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...0 percent. .SATURDAY...Mostly clear. Lows 50-60. Highs 85-95. Min humidities 10-20 percent. West winds 10-15 mph. .SUNDAY...Partly cloudy. Lows 60-70. Highs 85-95. Min humidities 10-20 percent. West winds 10-15 mph. .MONDAY...Partly cloudy. Lows 60-70. Highs 85-95. West winds 10-15 mph. .TUESDAY...Partly cloudy with slight chance of rain. Chance of rain 20 percent. Lows 60-70. Highs 85-95. .WEDNESDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Chance of precipitation 30 percent. Lows 60-70. Highs 85-95. $$ MTZ107-100900- Flathead Reservation- 250 AM MDT Thu Jul 9 2026 .TODAY... * Sky/Weather.........Partly cloudy. * Max Temperature.....85-90 valleys and 65-70 ridges. * Min Humidity........9-19 percent valleys and 20-30 percent ridges. * 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 0900. 8 kft agl after 1200. * Transport Winds.....Southwest 15 mph. * Chance Lightning....Near 0 percent over areas west of Highway 93...and 0 percent toward the Mission Mtns and areas east of Highway 93. * CWR (> 0.10 Inch)...0 percent. .TONIGHT... * Sky/Weather.........Mostly clear. * Min Temperature.....50-60. * Max Humidity........45-55 percent. * 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 15 mph until 2200, then variable less than 10 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...0 percent. .FRIDAY... * Sky/Weather.........Mostly sunny. * Max Temperature.....90-95 valleys and 70-75 ridges. * Min Humidity........10-20 percent valleys and 19-29 percent ridges. * 20-Foot Winds....... * Lower Elevation......Southwest 5-15 mph. * Ridge Top............Southwest 5-15 mph. * Mixing Height.......1-2 kft agl until 1000. 11 kft agl after 1600. * Transport Winds.....Southwest 10 mph until 1300, then 15 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...0 percent. .SATURDAY...Mostly clear. Lows 55-65. Highs 85-95. Min humidities 10-20 percent. West winds 10-15 mph. .SUNDAY...Partly cloudy. Lows 60-70. Highs 85-95. Min humidities 10-20 percent. West winds 10-15 mph. .MONDAY...Partly cloudy. Lows 60-70. Highs 85-95. West winds 10-15 mph. .TUESDAY...Partly cloudy with slight chance of rain. Chance of rain 20 percent. Lows 65-75. Highs 85-95. .WEDNESDAY...Partly cloudy with slight chance of rain. Chance of rain 20 percent. Lows 60-70. Highs 85-95. $$ MTZ109-100900- Bitterroot- 250 AM MDT Thu Jul 9 2026 .TODAY... * Sky/Weather.........Mostly sunny. * Max Temperature.....85-90 valleys and 70-75 ridges. * Min Humidity........10-20 percent valleys and 18-28 percent ridges. * 20-Foot Winds....... * Lower Elevation......West 5-15 mph. * Ridge Top............West 5-15 mph. * Mixing Height.......1-2 kft agl until 1000. 7 kft agl after 1500. * Transport Winds.....West 10 mph until 1700, then 15 mph. * Chance Lightning....0 percent. * CWR (> 0.10 Inch)...0 percent. .TONIGHT... * Sky/Weather.........Mostly clear. * Min Temperature.....45-55. * Max Humidity........54-64 percent valleys and 48-58 percent ridges. * 20-Foot Winds....... * Lower Elevation......Northwest 5-10 mph in the evening becoming downslope/downvalley 2-5 mph. * Ridge Top............Northwest 10-15 mph becoming southwest 5-10 mph after midnight. * Mixing Height.......6 kft agl until 1900. Below 500 ft to 1 kft agl after 2100. * Transport Winds.....Northwest 10 mph until 2200, then variable less than 10 mph. * Chance Lightning....0 percent over the Darby, Sula, and West Fork Districts...and near 0 percent toward areas north of Hamilton. * CWR (> 0.10 Inch)...0 percent. .FRIDAY... * Sky/Weather.........Partly cloudy. * Max Temperature.....90-95 valleys and 75-80 ridges. * Min Humidity........10-20 percent valleys and 18-28 percent ridges. * 20-Foot Winds....... * Lower Elevation......Calm to variable less than 7 mph. * Ridge Top............Southwest 5-10 mph. * Mixing Height.......1-2 kft agl until 1000. 11 kft agl after 1300. * Transport Winds.....Southwest 10 mph until 1200, then 15 mph. * Chance Lightning....20 percent over the Darby, Sula, and West Fork Districts...and near 0 percent toward areas north of Hamilton. * CWR (> 0.10 Inch)...0 percent. .SATURDAY...Mostly clear. Lows 50-60. Highs 85-95. Min humidities 15-25 percent. Southwest winds 10-15 mph. .SUNDAY...Partly cloudy. Lows 60-70. Highs 85-95. Min humidities 10-20 percent. Southwest winds 10-15 mph. .MONDAY...Partly cloudy. Lows 60-70. Highs 85-95. West winds 10-15 mph. .TUESDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Chance of precipitation 40 percent. Lows 60-70. Highs 80-90. .WEDNESDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Chance of precipitation 30 percent. Lows 60-70. Highs 80-90. $$ MTZ110-111-100900- Deerlodge/West Beaverhead-East Beaverhead- 250 AM MDT Thu Jul 9 2026 .TODAY... * Sky/Weather.........Mostly sunny. * Max Temperature.....80-90 valleys and 70-75 ridges. * Min Humidity........15-25 percent. * 20-Foot Winds....... * Lower Elevation......Calm to becoming west 10-15 mph in the afternoon. * Ridge Top............West 5-15 mph. * Mixing Height.......1-2 kft agl until 1000. 11 kft agl after 1400. * Transport Winds.....West 10 mph until 1300, then 15 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...0 percent. .TONIGHT... * Sky/Weather.........Partly cloudy. * Min Temperature.....45-55. * Max Humidity........57-67 percent valleys and 49-59 percent ridges. * 20-Foot Winds....... * Lower Elevation......Northwest 10-15 mph in the evening becoming downslope/downvalley 5-10 mph. * Ridge Top............Northwest 10-15 mph becoming southwest 5-10 mph after midnight. * Mixing Height.......9 kft agl until 2000. Below 500 ft to 1 kft agl after 2100. * Transport Winds.....West 15 mph until 2100, then north 10 mph until 0300, then variable less than 10 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...0 percent. .FRIDAY... * Sky/Weather.........Partly cloudy. * Max Temperature.....85-95 valleys and 75-80 ridges. * Min Humidity........12-22 percent. * 20-Foot Winds....... * Lower Elevation......Southwest 5-15 mph. * Ridge Top............Southwest 5-15 mph. * Mixing Height.......Below 500 ft to 1 kft agl until 0900. 11 kft agl after 1400. * Transport Winds.....Southwest 10 mph until 1100, then 15 mph. * Chance Lightning....15 percent over the Deerlodge/West Beaverhead...and near 0 percent toward the East Beaverhead. * CWR (> 0.10 Inch)...0 percent. .SATURDAY...Mostly clear. Lows 55-65. Highs 85-95. Min humidities 15-25 percent. South winds 10-20 mph. .SUNDAY...Partly cloudy. Lows 55-65. Highs 90-100. Min humidities 15-25 percent. Southwest winds 15-25 mph. .MONDAY...Partly cloudy. Lows 60-70. Highs 85-95. Northwest winds 10-20 mph. .TUESDAY...Partly cloudy with chance of rain showers and thunderstorms. Chance of precipitation 30 percent. Lows 60-70. Highs 80-90. .WEDNESDAY...Partly cloudy with chance of rain showers and thunderstorms. Chance of precipitation 30 percent. Lows 55-65. Highs 80-90. $$