


Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Missoula, MT
Issued by NWS Missoula, MT
743 FNUS55 KMSO 080748 FWFMSO Fire Weather Planning Forecast for Wrn Montana and N Cntrl Idaho National Weather Service Missoula MT 148 AM MDT Wed Oct 8 2025 .DISCUSSION... Idaho (Zones 102 and 103): Upper level flow turns southwesterly today behind a departing ridge of high pressure. Expect another couple days of clear skies, dry conditions, and strengthening inversions with thermal belts on the midslopes. Winds will increase out of the south or southwest today. While most areas stay under about 15 mph, the Salmon River Ranger District will see higher gusts, to about 20-30 mph in the afternoon. The next chance for precipitation will be a prolonged wet period staring on Friday afternoon. Northwest MT (Zones 104 and 105): Upper level flow turns southwesterly today behind a departing ridge of high pressure. Expect another couple days of clear skies, dry conditions, and strengthening inversions with thermal belts on the midslopes. Winds will increase out of the south today and turn easterly tonight through Friday. The next chance for precipitation will be a prolonged wet period staring on Friday afternoon. West Central MT (Zones 106, 107 and 108): Upper level flow turns southwesterly today behind a departing ridge of high pressure. Expect another couple days of clear skies, dry conditions, and strengthening inversions with thermal belts on the midslopes. Winds will increase out of the south today and turn easterly on Thursday and Friday. The next chance for precipitation will be a prolonged wet period staring on Friday afternoon. Southwest MT (Zones 109, 110 and 111): Upper level flow turns southwesterly today behind a departing ridge of high pressure. Expect another couple days of clear skies, dry conditions, and strengthening inversions with thermal belts on the midslopes. Winds will increase out of the south today and turn southeasterly on Thursday and Friday. The next chance for precipitation will be a prolonged wet period staring on Friday afternoon (Bitterroot) or Saturday (BVD). IDZ102-103-090800- Palouse/Hells Canyon-Clearwater/Nez Perce- 1248 AM PDT Wed Oct 8 2025 .TODAY... * Sky/Weather.........Mostly sunny. * Max Temperature.....75-85 valleys and 60-65 ridges. * Min Humidity........20-30 percent. * 20-Foot Winds....... * Lower Elevation......South 5-15 mph. * Ridge Top............South 5-15 mph, gusts of 20-30 mph in Salmon River RD. * Mixing Height.......3 kft agl until 1200. 8 kft agl after 1400. * Transport Winds.....South 15 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...0 percent. .TONIGHT... * Sky/Weather.........Mostly clear. * Min Temperature.....40-50. * Max Humidity........61-71 percent valleys and 46-56 percent ridges. * 20-Foot Winds....... * Lower Elevation......Southeast 10-15 mph becoming east 5-10 mph after midnight. * Ridge Top............South 5-15 mph. * Mixing Height.......4 kft agl until 1900, then below 500 ft to 1 kft agl. * Transport Winds.....South 10 mph until 2300, then southeast 10 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...0 percent. .THURSDAY... * Sky/Weather.........Mostly sunny. * Max Temperature.....78-88 valleys and 65-75 ridges. * Min Humidity........19-29 percent. * 20-Foot Winds....... * Lower Elevation......Calm to variable less than 7 mph. * Ridge Top............Southeast 5-10 mph. * Mixing Height.......2 kft agl until 1200, then 5 kft agl until 1400, then 7 kft agl until 1700, then 4 kft agl. * Transport Winds.....Southeast 15 mph until 1400, then south 15 mph. * Chance Lightning....Near 0 percent in the Palouse/Hells Canyon...and 0 percent in the Clearwater/Nez Perce. * CWR (> 0.10 Inch)...0 percent. .FRIDAY...Partly cloudy with chance of rain. Chance of rain 30 percent. Lows 45-55. Highs 70-80. Min humidities 30-40 percent. Southeast winds 5-10 mph. .SATURDAY...Cooler. Mostly cloudy with rain. Chance of rain 80 percent. Lows 40-50. Highs 50-60. Min humidities 50-60 percent. West winds 10-15 mph. .SUNDAY...Colder. Cloudy with rain and snow. Chance of precipitation 90 percent. Lows 35-45. Highs 40-50. Southwest winds 10-15 mph. .COLUMBUS DAY...Mostly cloudy with snow likely and chance of rain. Chance of precipitation 60 percent. Lows 30-40. Highs 45-55. .TUESDAY...Partly cloudy with chance of snow and slight chance of rain. Chance of precipitation 30 percent. Lows 35-45. Highs 50-60. $$ MTZ104-105-090800- Kootenai-Flathead/Glacier Park- 148 AM MDT Wed Oct 8 2025 .TODAY... * Sky/Weather.........Partly cloudy then becoming sunny. * Max Temperature.....70-75 valleys and 50-60 ridges. * Min Humidity........20-30 percent valleys and 30-40 percent ridges. * 20-Foot Winds....... * Lower Elevation......South 10-15 mph. * Ridge Top............South 10-15 mph. * Mixing Height.......3 kft agl until 1200. 7 kft agl after 1400. * Transport Winds.....South 15 mph. * Chance Lightning....Near 0 percent in the Kootenai...and 0 percent in the Flathead/Glacier Park. * CWR (> 0.10 Inch)...0 percent. .TONIGHT... * Sky/Weather.........Mostly clear. * Min Temperature.....35-45. * Max Humidity........85-95 percent valleys and 65-75 percent ridges. * 20-Foot Winds....... * Lower Elevation......Downslope/downvalley 2-5 mph. * Ridge Top............East 10-15 mph. * Mixing Height.......1-2 kft agl until 2000, then below 500 ft to 1 kft agl. * Transport Winds.....Variable less than 10 mph until 2000, then east 10 mph. * Chance Lightning....Near 0 percent in the Kootenai...and 0 percent in the Flathead/Glacier Park. * CWR (> 0.10 Inch)...0 percent. .THURSDAY... * Sky/Weather.........Mostly sunny. * Max Temperature.....70-80 valleys and 50-60 ridges. * Min Humidity........24-34 percent valleys and 40-50 percent ridges. * 20-Foot Winds....... * Lower Elevation......Northeast 10-15 mph. * Ridge Top............Northeast 10-15 mph. * Mixing Height.......3 kft agl until 1300, then 4 kft agl. * Transport Winds.....East 10 mph. * Chance Lightning....0 percent. * CWR (> 0.10 Inch)...0 percent. .FRIDAY...Mostly clear. Slight chance of rain. Chance of rain 20 percent. Lows 40-50. Highs 65-75. Min humidities 30-40 percent. East winds 10-15 mph. .SATURDAY...Cooler. Mostly cloudy with rain likely. Chance of rain 60 percent. Lows 40-50. Highs 50-60. Min humidities 50-60 percent. Southwest winds 10-20 mph. .SUNDAY...Colder. Cloudy with rain and snow. Chance of precipitation 90 percent. Lows 30-40. Highs 35-45. Southwest winds 10-20 mph. .COLUMBUS DAY...Mostly cloudy with chance of snow and rain likely. Chance of precipitation 70 percent. Lows 25-35. Highs 35-45. .TUESDAY...Partly cloudy with slight chance of rain and snow. Chance of precipitation 20 percent. Lows 25-35. Highs 40-50. $$ MTZ106-108-090800- West Lolo-East Lolo- 148 AM MDT Wed Oct 8 2025 .TODAY... * Sky/Weather.........Mostly sunny. * Max Temperature.....60-70. * Min Humidity........20-30 percent. * 20-Foot Winds....... * Lower Elevation......Calm to variable less than 7 mph. * Ridge Top............South 5-10 mph. * Mixing Height.......3 kft agl until 1200. 8 kft agl after 1400. * Transport Winds.....South 15 mph. * Chance Lightning....Near 0 percent in the West Lolo...and 0 percent in the East Lolo. * CWR (> 0.10 Inch)...0 percent. .TONIGHT... * Sky/Weather.........Mostly clear. * Min Temperature.....33-43 valleys and 40-45 ridges. * Max Humidity........65-75 percent valleys and 48-58 percent ridges. * 20-Foot Winds....... * Lower Elevation......Downslope/downvalley 2-5 mph. * Ridge Top............South 5-15 mph. * Mixing Height.......4 kft agl until 1900, then below 500 ft to 1 kft agl. * Transport Winds.....Variable less than 10 mph until 1900, then southeast 10 mph. * Chance Lightning....Near 0 percent in the West Lolo...and 0 percent in the East Lolo. * CWR (> 0.10 Inch)...0 percent. .THURSDAY... * Sky/Weather.........Mostly sunny. * Max Temperature.....63-73. * Min Humidity........23-33 percent. * 20-Foot Winds....... * Lower Elevation......Calm to variable less than 7 mph. * Ridge Top............East 5-10 mph. * Mixing Height.......3 kft agl until 1300, then 5 kft agl until 1700, then 3 kft agl. * Transport Winds.....East 15 mph. * Chance Lightning....0 percent. * CWR (> 0.10 Inch)...0 percent. .FRIDAY...Mostly clear. Slight chance of rain. Chance of rain 20 percent. Lows 40-50. Highs 70-80. Min humidities 25-35 percent. Southeast winds 5-10 mph. .SATURDAY...Cooler. Mostly cloudy with rain likely. Chance of rain 70 percent. Lows 40-50. Highs 50-60. Min humidities 50-60 percent. Southwest winds 10-15 mph. .SUNDAY...Colder. Mostly cloudy with rain and snow. Chance of precipitation 90 percent. Lows 30-40. Highs 40-50. Southwest winds 5-15 mph. .COLUMBUS DAY...Mostly cloudy with chance of snow and rain. Chance of precipitation 50 percent. Lows 30-40. Highs 40-50. .TUESDAY...Partly cloudy with chance of snow and slight chance of rain. Chance of precipitation 30 percent. Lows 25-35. Highs 45-55. $$ MTZ107-090800- Flathead Reservation- 148 AM MDT Wed Oct 8 2025 .TODAY... * Sky/Weather.........Mostly sunny. * Max Temperature.....70-75 valleys and 50-55 ridges. * Min Humidity........24-34 percent. * 20-Foot Winds....... * Lower Elevation......Calm to variable less than 7 mph. * Ridge Top............South 5-10 mph. * Mixing Height.......2 kft agl until 1200. 7 kft agl after 1400. * Transport Winds.....South 10 mph. * Chance Lightning....Near 0 percent in areas west of Highway 93...and 0 percent in the Mission Mtns and areas east of Highway 93. * CWR (> 0.10 Inch)...0 percent. .TONIGHT... * Sky/Weather.........Mostly clear. * Min Temperature.....35-45. * Max Humidity........73-83 percent valleys and 54-64 percent ridges. * 20-Foot Winds....... * Lower Elevation......Downslope/downvalley 2-5 mph. * Ridge Top............South 10-20 mph. * Mixing Height.......Below 500 ft to 1 kft agl. * Transport Winds.....Variable less than 10 mph until 2000, then east 10 mph. * Chance Lightning....0 percent. * CWR (> 0.10 Inch)...0 percent. .THURSDAY... * Sky/Weather.........Mostly sunny. * Max Temperature.....70-75 valleys and 55-60 ridges. * Min Humidity........28-38 percent. * 20-Foot Winds....... * Lower Elevation......Calm to variable less than 7 mph. * Ridge Top............East 10-20 mph decreasing to 5-10 mph in the afternoon. * Mixing Height.......3 kft agl until 1300, then 4 kft agl until 1700, then 2 kft agl. * Transport Winds.....East 10 mph. * Chance Lightning....0 percent. * CWR (> 0.10 Inch)...0 percent. .FRIDAY...Mostly clear. Slight chance of rain. Chance of rain 20 percent. Lows 40-50. Highs 70-80. Min humidities 35-45 percent. East winds 10-15 mph. .SATURDAY...Cooler. Mostly cloudy with rain likely. Chance of rain 70 percent. Lows 45-55. Highs 55-65. Min humidities 50-60 percent. Southwest winds 10-15 mph. .SUNDAY...Cooler. Mostly cloudy with rain and snow. Chance of precipitation 90 percent. Lows 35-45. Highs 45-55. Southwest winds 5-15 mph. .COLUMBUS DAY...Mostly cloudy with chance of rain and snow. Chance of precipitation 50 percent. Lows 30-40. Highs 45-55. .TUESDAY...Partly cloudy with slight chance of rain and snow. Chance of precipitation 20 percent. Lows 30-40. Highs 45-55. $$ MTZ109-090800- Bitterroot- 148 AM MDT Wed Oct 8 2025 .TODAY... * Sky/Weather.........Mostly sunny. * Max Temperature.....70-75 valleys and 60-65 ridges. * Min Humidity........19-29 percent. * 20-Foot Winds....... * Lower Elevation......South 5-15 mph. * Ridge Top............South 5-15 mph. * Mixing Height.......3 kft agl until 1200. 8 kft agl after 1400. * Transport Winds.....South 15 mph. * Chance Lightning....Near 0 percent in the Darby, Sula, and West Fork Districts...and 0 percent in areas north of Hamilton. * CWR (> 0.10 Inch)...0 percent. .TONIGHT... * Sky/Weather.........Partly cloudy. * Min Temperature.....35-45. * Max Humidity........64-74 percent valleys and 45-55 percent ridges. * 20-Foot Winds....... * Lower Elevation......South 5-15 mph. * Ridge Top............South 5-15 mph. * Mixing Height.......4 kft agl until 1900, then below 500 ft to 1 kft agl. * Transport Winds.....South 10 mph until 0500, then southeast 10 mph. * Chance Lightning....Near 0 percent in the Darby, Sula, and West Fork Districts...and 0 percent in areas north of Hamilton. * CWR (> 0.10 Inch)...0 percent. .THURSDAY... * Sky/Weather.........Partly cloudy. * Max Temperature.....75-80 valleys and 60-65 ridges. * Min Humidity........20-30 percent. * 20-Foot Winds....... * Lower Elevation......Southeast 10-15 mph. * Ridge Top............Southeast 10-15 mph. * Mixing Height.......3 kft agl until 1200, then 5 kft agl until 1400, then 6 kft agl until 1700, then 4 kft agl. * Transport Winds.....Southeast 15 mph. * Chance Lightning....0 percent. * CWR (> 0.10 Inch)...0 percent. .FRIDAY...Mostly clear. Slight chance of rain. Chance of rain 20 percent. Lows 45-55. Highs 65-75. Min humidities 30-40 percent. Southeast winds 10-15 mph. .SATURDAY...Cooler. Mostly cloudy with rain. Chance of rain 80 percent. Lows 40-50. Highs 50-60. Min humidities 55-65 percent. Southwest winds 5-15 mph. .SUNDAY...Colder. Mostly cloudy with snow and rain. Chance of precipitation 80 percent. Lows 30-40. Highs 40-50. Southwest winds 5-15 mph. .COLUMBUS DAY...Mostly cloudy with chance of snow and rain. Chance of precipitation 50 percent. Lows 25-35. Highs 40-50. .TUESDAY...Partly cloudy with chance of rain and snow. Chance of precipitation 30 percent. Lows 30-40. Highs 40-50. $$ MTZ110-111-090800- Deerlodge/West Beaverhead-East Beaverhead- 148 AM MDT Wed Oct 8 2025 .TODAY... * Sky/Weather.........Mostly sunny. * Max Temperature.....65-70 valleys and 50-60 ridges. * Min Humidity........16-26 percent. * 20-Foot Winds....... * Lower Elevation......South 15-25 mph. * Ridge Top............South 15-25 mph. * Mixing Height.......1-2 kft agl until 1100. 7 kft agl after 1500. * Transport Winds.....South 15 mph until 1500, then southwest 20 mph. * Chance Lightning....0 percent. * CWR (> 0.10 Inch)...0 percent. .TONIGHT... * Sky/Weather.........Partly cloudy. * Min Temperature.....23-33 valleys and 35-40 ridges. * Max Humidity........68-78 percent valleys and 49-59 percent ridges. * 20-Foot Winds....... * Lower Elevation......South 10-20 mph. * Ridge Top............South 10-20 mph. * Mixing Height.......4 kft agl until 1900, then below 500 ft to 1 kft agl. * Transport Winds.....South 15 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...0 percent. .THURSDAY... * Sky/Weather.........Partly cloudy. * Max Temperature.....70-75 valleys and 60-65 ridges. * Min Humidity........16-26 percent. * 20-Foot Winds....... * Lower Elevation......Southeast 10-20 mph. * Ridge Top............Southeast 10-20 mph. * Mixing Height.......1-2 kft agl until 1100, then 4 kft agl until 1300, then 7 kft agl until 1700, then 4 kft agl. * Transport Winds.....South 15 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...0 percent. .FRIDAY...Mostly clear. Slight chance of rain. Chance of rain 20 percent. Lows 40-50. Highs 65-75. Min humidities 30-40 percent. Southeast winds 10-20 mph. .SATURDAY...Cooler. Mostly cloudy with rain likely. Chance of rain 70 percent. Lows 40-50. Highs 55-65. Min humidities 45-55 percent. South winds 10-20 mph. .SUNDAY...Colder. Mostly cloudy with chance of snow and rain. Chance of precipitation 50 percent. Lows 30-40. Highs 40-50. Southwest winds 5-15 mph. .COLUMBUS DAY...Mostly cloudy with chance of snow. Chance of snow 30 percent. Lows 25-35. Highs 40-50. .TUESDAY...Partly cloudy with slight chance of rain and snow. Chance of precipitation 20 percent. Lows 25-35. Highs 40-50. $$