FNUS55 KMSO 091824 FWFMSO Fire Weather Planning Forecast for Wrn Montana and N Cntrl Idaho National Weather Service Missoula MT 1224 PM MDT Thu Jul 9 2026 .DISCUSSION... Idaho (Zones 102 and 103): AUTOMATED INTERIM UPDATE. Early next week, an influx of subtropical moisture will bring increased chances of thunderstorms, initially capable of gusty winds, then transitioning to rain producing. Taking a quick look at the next 48 hours... Tonight's weather, mostly clear. Friday, Sunny. Friday Night, mostly clear. A 20 percent chance of rain until midnight. Saturday, mostly sunny. Northwest MT (Zones 104 and 105): AUTOMATED INTERIM UPDATE. Early next week, an influx of subtropical moisture will bring increased chances of thunderstorms, initially capable of gusty winds, then transitioning to rain producing. Taking a quick look at the next 48 hours... Tonight's weather, mostly clear. Friday, mostly sunny. Friday Night, partly cloudy. A 20 percent chance of rain after midnight. Saturday, mostly sunny. A 20 percent chance of rain in the morning. West Central MT (Zones 106, 107 and 108): AUTOMATED INTERIM UPDATE. Early next week, an influx of subtropical moisture will bring increased chances of thunderstorms, initially capable of gusty winds, then transitioning to rain producing. Taking a quick look at the next 48 hours... Tonight's weather, mostly clear. Friday, mostly sunny. Friday Night, partly cloudy with a 20 percent chance of rain. Saturday, mostly sunny. Southwest MT (Zones 109, 110 and 111): AUTOMATED INTERIM UPDATE. Early next week, an influx of subtropical moisture will bring increased chances of thunderstorms, initially capable of gusty winds, then transitioning to rain producing. Taking a quick look at the next 48 hours... Tonight's weather, Clear. Friday, Sunny. Friday Night, mostly clear. Slight chance of rain showers until midnight, then slight chance of rain after midnight. Humidities will be a little lower. Saturday, sunny. It'll be warmer. View Weather Briefing videos on our YouTube channel at https://www.youtube.com/NWSMissoula IDZ102-103-101000- Palouse/Hells Canyon-Clearwater/Nez Perce- 1124 AM PDT Thu Jul 9 2026 .TONIGHT... * Sky/Weather.........Mostly clear. * Min Temperature.....50-60. * Max Humidity........54-64 percent valleys and 46-56 percent ridges. * 20-Foot Winds....... * Lower Elevation......Downslope/downvalley 1-3 mph. * Ridge Top............Northwest 5-15 mph becoming south 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 80-90 ridges. * Min Humidity........14-24 percent. * 20-Foot Winds....... * Lower Elevation......Calm to 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 1400. * Transport Winds.....Variable less than 10 mph until 1000, then southwest 10 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...0 percent. .FRIDAY NIGHT... * Sky/Weather.........Partly cloudy. Slight chance of rain. * Min Temperature.....50-60. * Max Humidity........57-67 percent valleys and 42-52 percent ridges. * 20-Foot Winds....... * Lower Elevation......Downslope/downvalley 1-3 mph. * Ridge Top............West 5-10 mph. * Mixing Height.......6 kft agl until 2000. Below 500 ft to 1 kft agl after 2100. * Transport Winds.....Northwest 10 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...0 percent. .SATURDAY... * Sky/Weather.........Mostly sunny. * Max Temperature.....93-103 valleys and 78-88 ridges. * Min Humidity........15-25 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. 8 kft agl after 1400. * Transport Winds.....West 10 mph until 1400, then southwest 15 mph. * Chance Lightning....0 percent. * CWR (> 0.10 Inch)...0 percent. .SUNDAY...Partly cloudy. Lows 55-65. Highs 80-90. Min humidities 15-25 percent. Northwest winds 10-15 mph. .MONDAY...Partly cloudy. Lows 55-65. Highs 85-95. Min humidities 10-20 percent. North winds 5-10 mph. .TUESDAY...Partly cloudy. Lows 60-70. Highs 85-95. Northwest winds 5-10 mph. .WEDNESDAY...Mostly clear. Lows 60-70. Highs 80-90. .THURSDAY...Mostly clear. Lows 55-65. Highs 80-90. $$ MTZ104-105-101000- Kootenai-Flathead/Glacier Park- 1224 PM MDT Thu Jul 9 2026 .TONIGHT... * Sky/Weather.........Partly cloudy. * Min Temperature.....45-55. * Max Humidity........60-70 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. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...0 percent. .FRIDAY... * Sky/Weather.........Mostly sunny. * Max Temperature.....85-95 valleys and 70-80 ridges. * Min Humidity........8-18 percent valleys and 18-28 percent ridges. * 20-Foot Winds....... * Lower Elevation......Southwest 10-20 mph. * Ridge Top............Southwest 10-20 mph. * Mixing Height.......1-2 kft agl until 1000. 8 kft agl after 1500. * Transport Winds.....Southwest 15 mph until 1300, then 20 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...0 percent. .FRIDAY NIGHT... * Sky/Weather.........Partly cloudy. * Min Temperature.....45-55. * Max Humidity........56-66 percent valleys and 44-54 percent ridges. * 20-Foot Winds....... * Lower Elevation......Downslope/downvalley 2-5 mph. * Ridge Top............Southwest 10-20 mph becoming south 5-10 mph after midnight. * Mixing Height.......7 kft agl until 2000. Below 500 ft to 1 kft agl after 2100. * Transport Winds.....Southwest 20 mph until 2000, then 10 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...10 percent. .SATURDAY... * Sky/Weather.........Partly cloudy. Slight chance of rain. * Max Temperature.....85-95 valleys and 70-80 ridges. * Min Humidity........11-21 percent valleys and 21-31 percent ridges. * 20-Foot Winds....... * Lower Elevation......Southwest 10-20 mph. * Ridge Top............Southwest 5-15 mph increasing to 15-25 mph in the afternoon. * Mixing Height.......Below 500 ft to 1 kft agl until 0900. 8 kft agl after 1300. * Transport Winds.....Southwest 10 mph until 1000. 25 mph after 1400. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...0 percent. .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. Min humidities 10-20 percent. Southwest winds 10-20 mph. .TUESDAY...Partly cloudy. Lows 55-65. Highs 80-90. Southwest winds 5-10 mph. .WEDNESDAY...Partly cloudy. Lows 55-65. Highs 75-85. .THURSDAY...Mostly clear. Lows 55-65. Highs 75-85. $$ MTZ106-108-101000- West Lolo-East Lolo- 1224 PM MDT Thu Jul 9 2026 .TONIGHT... * Sky/Weather.........Mostly clear. * Min Temperature.....50-55. * Max Humidity........53-63 percent valleys and47-57 percent ridges. * 20-Foot Winds....... * Lower Elevation......Southwest 10-15 mph. * Ridge Top............Southwest 10-15 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....0 percent over the West Lolo...and near 0 percent toward the East Lolo. * CWR (> 0.10 Inch)...0 percent. .FRIDAY... * Sky/Weather.........Mostly sunny. * Max Temperature.....85-95 valleys and 78-88 ridges. * Min Humidity........15-25 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 1000. 9 kft agl after 1400. * Transport Winds.....Southwest 10 mph until 1300, then 15 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...0 percent. .FRIDAY NIGHT... * Sky/Weather.........Partly cloudy. Slight chance of rain. * Min Temperature.....50-55. * Max Humidity........53-63 percent valleys and 43-53 percent ridges. * 20-Foot Winds....... * Lower Elevation......West 5-10 mph. * Ridge Top............West 5-15 mph becoming southwest 5-10 mph after midnight. * Mixing Height.......7 kft agl until 2000. Below 500 ft to 1 kft agl after 2100. * Transport Winds.....West 15 mph until 2100, then variable less than 10 mph until 0300, then west 10 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...10 percent. .SATURDAY... * Sky/Weather.........Mostly sunny. * Max Temperature.....78-88. * Min Humidity........9-19 percent valleys and 17-27 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. 9 kft agl after 1400. * Transport Winds.....West 10 mph until 1100, then southwest 20 mph. * Chance Lightning....0 percent over the West Lolo...and near 0 percent toward the East Lolo. * CWR (> 0.10 Inch)...0 percent. .SUNDAY...Partly cloudy. Lows 55-65. Highs 85-95. Min humidities 10-20 percent. West winds 10-15 mph. .MONDAY...Partly cloudy. Lows 60-70. Highs 85-95. Min humidities 10-20 percent. West winds 10-15 mph. .TUESDAY...Partly cloudy. Lows 60-70. Highs 85-95. West winds 5-10 mph. .WEDNESDAY...Partly cloudy with slight chance of rain showers and thunderstorms. Chance of precipitation 20 percent. Lows 60-70. Highs 80-90. .THURSDAY...Mostly clear. Lows 55-65. Highs 80-90. $$ MTZ107-101000- Flathead Reservation- 1224 PM MDT Thu Jul 9 2026 .TONIGHT... * Sky/Weather.........Mostly clear. * Min Temperature.....50-60. * Max Humidity........45-55 percent. * 20-Foot Winds....... * Lower Elevation......Southwest 5-10 mph. * Ridge Top............Southwest 10-15 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 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. .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.......Below 500 ft to 1 kft agl until 1000. 10 kft agl after 1400. * Transport Winds.....South 10 mph until 1300, then southwest 15 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...0 percent. .FRIDAY NIGHT... * Sky/Weather.........Partly cloudy. Slight chance of rain. * Min Temperature.....50-60. * Max Humidity........53-63 percent valleys and 47-57 percent ridges. * 20-Foot Winds....... * Lower Elevation......Southwest 5-10 mph. * Ridge Top............Southwest 5-10 mph. * Mixing Height.......8 kft agl until 2000. Below 500 ft to 1 kft agl after 2100. * Transport Winds.....Southwest 15 mph until 2300, then variable less than 10 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...10 percent. .SATURDAY... * Sky/Weather.........Mostly sunny. * Max Temperature.....90-95 valleys and 70-75 ridges. * Min Humidity........10-20 percent valleys and 20-30 percent ridges. * 20-Foot Winds....... * Lower Elevation......Calm to becoming southwest 5-15 mph in the afternoon. * Ridge Top............Southwest 5-10 mph becoming west 10-20 mph in the afternoon. * Mixing Height.......1-2 kft agl until 1000. 9 kft agl after 1400. * Transport Winds.....Southwest 10 mph until 1200, then 20 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...0 percent. .SUNDAY...Partly cloudy. Lows 55-65. Highs 85-95. Min humidities 10-20 percent. West winds 10-15 mph. .MONDAY...Partly cloudy. Lows 60-70. Highs 85-95. Min humidities 10-20 percent. West winds 10-15 mph. .TUESDAY...Partly cloudy. Lows 60-70. Highs 85-95. Northwest winds 5-10 mph. .WEDNESDAY...Partly cloudy with slight chance of rain. Chance of rain 20 percent. Lows 60-70. Highs 85-95. .THURSDAY...Mostly clear. Lows 55-65. Highs 80-90. $$ MTZ109-101000- Bitterroot- 1224 PM MDT Thu Jul 9 2026 .TONIGHT... * Sky/Weather.........Mostly clear. * Min Temperature.....45-55. * Max Humidity........55-65 percent valleys and 49-59 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.......4 kft agl until 2000. Below 500 ft to 1 kft agl after 2100. * Transport Winds.....Northwest 10 mph until 2400, then variable less than 10 mph. * Chance Lightning....0 percent. * CWR (> 0.10 Inch)...0 percent. .FRIDAY... * Sky/Weather.........Mostly sunny. * 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.......Below 500 ft to 1 kft agl until 1000. 11 kft agl after 1500. * Transport Winds.....Southwest 10 mph until 1300, 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. .FRIDAY NIGHT... * Sky/Weather.........Partly cloudy. Slight chance of rain. * Min Temperature.....45-55. * Max Humidity........58-68 percent valleys and 48-58 percent ridges. * 20-Foot Winds....... * Lower Elevation......South 5-10 mph. * Ridge Top............South 5-10 mph. * Mixing Height.......8 kft agl until 1900. Below 500 ft to 1 kft agl after 2000. * Transport Winds.....Southwest 10 mph until 2000, then variable less than 10 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...10 percent. .SATURDAY... * Sky/Weather.........Mostly sunny. * Max Temperature.....95-100 valleys and 80-85 ridges. * Min Humidity........11-20 percent valleys and 18-28 percent ridges. * 20-Foot Winds....... * Lower Elevation......Southwest 5-15 mph. * Ridge Top............Southwest 5-10 mph increasing to 10-20 mph in the afternoon. * Mixing Height.......1-2 kft agl until 1000. 11 kft agl after 1400. * Transport Winds.....Southwest 10 mph until 1100, then 20 mph. * Chance Lightning....Near 0 percent over the Darby, Sula, and West Fork Districts...and 0 percent toward areas north of Hamilton. * CWR (> 0.10 Inch)...0 percent. .SUNDAY...Partly cloudy. Lows 55-65. Highs 85-95. Min humidities 10-20 percent. Southwest winds 10-15 mph. .MONDAY...Partly cloudy. Lows 60-70. Highs 80-90. Min humidities 15-25 percent. West winds 10-15 mph. .TUESDAY...Partly cloudy with slight chance of rain showers and thunderstorms. Chance of precipitation 20 percent. Lows 60-70. Highs 80-90. West winds 5-10 mph. .WEDNESDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Chance of precipitation 30 percent. Lows 60-70. Highs 80-90. .THURSDAY...Mostly clear. Lows 55-65. Highs 75-85. $$ MTZ110-111-101000- Deerlodge/West Beaverhead-East Beaverhead- 1224 PM MDT Thu Jul 9 2026 .TONIGHT... * Sky/Weather.........Mostly clear. * Min Temperature.....45-55. * Max Humidity........46-56 percent valleys and 40-50 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.......10 kft agl until 1900. Below 500 ft to 1 kft agl after 2100. * Transport Winds.....Northwest 15 mph until 2200, then variable less than 10 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...0 percent. .FRIDAY... * Sky/Weather.........Partly cloudy. * Max Temperature.....85-90 valleys and 75-80 ridges. * Min Humidity........11-18 percent. * 20-Foot Winds....... * Lower Elevation......Southwest 5-15 mph. * Ridge Top............Southwest 5-15 mph. * Mixing Height.......1-2 kft agl until 1000. 12 kft agl after 1400. * Transport Winds.....Southwest 10 mph until 1200, then 15 mph. * Chance Lightning....15 percent over the Deerlodge/West Beaverhead...and 20 percent toward the East Beaverhead. * CWR (> 0.10 Inch)...0 percent. .FRIDAY NIGHT... * Sky/Weather.........Partly cloudy. Slight chance of rain showers. * Min Temperature.....50-60. * Max Humidity........44-54 percent valleys and 31-41 percent ridges. * 20-Foot Winds....... * Lower Elevation......South 10-20 mph. * Ridge Top............South 10-20 mph. * Mixing Height.......10 kft agl until 1900. Below 500 ft to 1 kft agl after 2100. * Transport Winds.....Southwest 15 mph until 2100, then south 10 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...10 percent. .SATURDAY... * Sky/Weather.........Mostly sunny. * Max Temperature.....90-100 valleys and 80-85 ridges. * Min Humidity........4-13 percent. * 20-Foot Winds....... * Lower Elevation......Southwest 15-25 mph. * Ridge Top............South 5-15 mph increasing to southwest 15-25 mph in the afternoon. * Mixing Height.......1-2 kft agl until 1000. 12 kft agl after 1400. * Transport Winds.....Southwest 15 mph until 1200, then 25 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...0 percent. .SUNDAY...Mostly clear. 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. Min humidities 10-20 percent. West winds 15-25 mph. .TUESDAY...Partly cloudy with slight chance of rain showers and thunderstorms. Chance of precipitation 20 percent. Lows 60-70. Highs 80-90. Northwest winds 10-15 mph. .WEDNESDAY...Partly cloudy with chance of rain showers and thunderstorms. Chance of precipitation 40 percent. Lows 55-65. Highs 80-90. .THURSDAY...Mostly clear. Slight chance of rain showers and thunderstorms. Chance of precipitation 20 percent. Lows 55-65. Highs 80-90. $$