Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Missoula, MT
Issued by NWS Missoula, MT
900 FNUS55 KMSO 032041 FWFMSO Fire Weather Planning Forecast for Wrn Montana and N Cntrl Idaho National Weather Service Missoula MT 141 PM MST Wed Dec 3 2025 .DISCUSSION... Idaho (Zones 102 and 103): A prolonged period of winter weather starts on Thursday lasting through the weekend - Heavy mountain snow, along with a wintry mix in the valleys will make for difficult travel conditions. Taking a quick look at the next 48 hours... Tonight`s weather, mostly cloudy. A 20 percent chance of light freezing rain and snow after midnight. Snow may be heavy at times after midnight. Thursday, a chance of snow and a slight chance of light freezing rain in the day, then rain and snow likely in the afternoon. Snow level 3000 feet. Thursday Night, snow likely and a slight chance of freezing rain. Rain likely. Patchy dense fog after midnight. Snow level 4500 feet. Friday, snow, rain likely and a slight chance of freezing rain in the day, then rain, snow and freezing rain likely in the afternoon. Patchy dense fog in the day. It`ll be not as cool. Snow may be heavy at times in the afternoon. Snow level 5000 feet. Northwest MT (Zones 104 and 105): A prolonged period of winter weather starts on Thursday lasting through the weekend - Heavy mountain snow, along with a wintry mix in the valleys will make for difficult travel conditions. Taking a quick look at the next 48 hours... Tonight`s weather, mostly cloudy with a 50 percent chance of areas of snow. Patchy blowing snow after midnight. Visibility one quarter mile or less at times after midnight. Thursday, cloudy with a 50 percent chance of snow. Thursday Night, cloudy with a chance of snow. Chance of light freezing rain. Friday, snow likely and a slight chance of light freezing rain in the day, then snow likely in the afternoon. Patchy dense fog in the day. West Central MT (Zones 106, 107 and 108): A prolonged period of winter weather starts on Thursday lasting through the weekend - Heavy mountain snow, along with a wintry mix in the valleys will make for difficult travel conditions. Taking a quick look at the next 48 hours... Tonight`s weather, mostly cloudy. A 20 percent chance of snow after midnight. Thursday, a chance of snow in the day, then snow and light freezing rain likely in the afternoon. Thursday Night, snow likely. Slight chance of rain and freezing rain until midnight, then slight chance of light freezing rain after midnight. Snow level 3500 feet. Friday, snow, rain likely and a slight chance of light freezing rain in the day, then rain and snow likely in the afternoon. Patchy dense fog in the day. Southwest MT (Zones 109, 110 and 111): A prolonged period of winter weather starts on Thursday lasting through the weekend - Heavy mountain snow, along with a wintry mix in the valleys will make for difficult travel conditions. Taking a quick look at the next 48 hours... Tonight`s weather, partly cloudy until midnight then becoming mostly cloudy. Thursday, mostly cloudy with a 50 percent chance of snow. Thursday Night, a chance of snow. Light freezing rain likely until midnight, then slight chance of freezing rain after midnight. Friday, a chance of snow and a slight chance of freezing rain in the day, then snow likely in the afternoon. IDZ102-103-041100- Palouse/Hells Canyon-Clearwater/Nez Perce- 1241 PM PST Wed Dec 3 2025 .TONIGHT... * Sky/Weather.........Partly cloudy. Slight chance of snow after midnight. * Min Temperature.....25-30 valleys and 15-25 ridges. * Max Humidity........78-88 percent. * 20-Foot Winds....... * Lower Elevation......South 5-10 mph. * Ridge Top............Southwest 10-15 mph. * Mixing Height.......Below 500 ft to 1 kft agl. * Transport Winds.....Variable less than 10 mph. * Chance Lightning....0 percent. * CWR (> 0.10 Inch)...0 percent. .THURSDAY... * Sky/Weather.........Mostly cloudy. Slight chance of light freezing rain in the morning. Snow. Rain in the afternoon. Snow level 3000 feet. * Max Temperature.....35-45 valleys and 25-30 ridges. * Min Humidity........77-87 percent valleys and 86-96 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. * Transport Winds.....Southwest 10 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...70 percent. .THURSDAY NIGHT... * Sky/Weather.........Cloudy. Snow, rain and slight chance of freezing rain. Patchy dense fog after midnight. Snow level 4500 feet. * Min Temperature.....25-35. * Max Humidity........83-93 percent. * 20-Foot Winds....... * Lower Elevation......Southwest 5-10 mph. * Ridge Top............Southwest 10-15 mph. * Mixing Height.......Below 500 ft to 1 kft agl. * Transport Winds.....Southwest 10 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...90 percent. .FRIDAY... * Sky/Weather.........Patchy dense fog in the morning. Rain, snow and freezing rain. Snow level 5000 feet. * Max Temperature.....40-50 valleys and 30-40 ridges. * Min Humidity........78-88 percent valleys and 85-95 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. * Transport Winds.....Southwest 15 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...100 percent. .SATURDAY...Rain, snow and slight chance of freezing rain. Chance of precipitation near 100 percent. Lows 35-45. Highs 35-45. Min humidities 65-75 percent. West winds 5-15 mph. .SUNDAY...Mostly cloudy with snow with rain likely. Chance of precipitation 80 percent. Lows 30-40. Highs 40-50. Min humidities 65-75 percent. Southwest winds 10-15 mph. .MONDAY...Mostly cloudy with rain and snow. Chance of precipitation 80 percent. Lows 35-45. Highs 40-50. Southwest winds 5-15 mph. .TUESDAY...Cloudy with rain and slight chance of snow. Chance of precipitation 80 percent. Lows 35-45. Highs 45-55. .WEDNESDAY...Cloudy with rain and slight chance of snow. Chance of precipitation 80 percent. Lows 35-45. Highs 40-50. $$ MTZ104-105-041100- Kootenai-Flathead/Glacier Park- 141 PM MST Wed Dec 3 2025 .TONIGHT... * Sky/Weather.........Mostly cloudy. Chance of snow. Patchy blowing snow after midnight. * Min Temperature.....15-25. * Max Humidity........96-100 percent valleys and 82-92 percent ridges. * 20-Foot Winds....... * Lower Elevation......Variable less than 5 mph. * Ridge Top............West 10-20 mph. * Mixing Height.......1-2 kft agl. * Transport Winds.....Southwest 15 mph. * Chance Lightning....0 percent. * CWR (> 0.10 Inch)...10 percent. .THURSDAY... * Sky/Weather.........Mostly cloudy. Chance of snow. * Max Temperature.....35-40 valleys and 20-30 ridges. * Min Humidity........72-82 percent. * 20-Foot Winds....... * Lower Elevation......Calm to variable less than 7 mph. * Ridge Top............West 10-20 mph. * Mixing Height.......1-2 kft agl. * Transport Winds.....Southwest 15 mph. * Chance Lightning....Near 0 percent in the Kootenai...and 0 percent in the Flathead/Glacier Park. * CWR (> 0.10 Inch)...20 percent in the Kootenai...and 50 percent in the Flathead/Glacier Park. .THURSDAY NIGHT... * Sky/Weather.........Mostly cloudy. Chance of snow and light freezing rain. * Min Temperature.....20-30. * Max Humidity........97-100 percent valleys and 85-95 percent ridges. * 20-Foot Winds....... * Lower Elevation......Southwest 10-15 mph. * Ridge Top............West 10-15 mph. * Mixing Height.......1-2 kft agl. * 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)...30 percent in the Kootenai...and 50 percent in the Flathead/Glacier Park. .FRIDAY... * Sky/Weather.........Mostly cloudy. Patchy dense fog in the morning. Slight chance of light freezing rain in the morning. Snow. * Max Temperature.....35-40 valleys and 25-30 ridges. * Min Humidity........74-84 percent. * 20-Foot Winds....... * Lower Elevation......Calm to variable less than 7 mph. * Ridge Top............Southwest 5-15 mph. * Mixing Height.......1-2 kft agl. * Transport Winds.....Southwest 10 mph until 1100, then 10 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...80 percent. .SATURDAY...Cloudy with snow, rain and slight chance of freezing rain. Chance of precipitation 90 percent. Lows 25-35. Highs 30-40. Min humidities 70-80 percent. Southwest winds 10-15 mph. .SUNDAY...Mostly cloudy with snow, rain likely and light freezing rain. Chance of precipitation 80 percent. Lows 30-40. Highs 35-45. Min humidities 70-80 percent. Southwest winds 10-20 mph. .MONDAY...Mostly cloudy with rain with snow likely. Chance of precipitation 80 percent. Lows 30-40. Highs 35-45. Southwest winds 15-25 mph. .TUESDAY...Cloudy with rain and slight chance of snow. Chance of precipitation 80 percent. Lows 35-45. Highs 40-50. .WEDNESDAY...Mostly cloudy with snow and rain likely. Chance of precipitation 70 percent. Lows 30-40. Highs 35-45. $$ MTZ106-108-041100- West Lolo-East Lolo- 141 PM MST Wed Dec 3 2025 .TONIGHT... * Sky/Weather.........Mostly cloudy. * Min Temperature.....15-25. * Max Humidity........84-94 percent. * 20-Foot Winds....... * Lower Elevation......West 10-15 mph. * Ridge Top............West 10-15 mph. * Mixing Height.......Below 500 ft to 1 kft agl. * Transport Winds.....West 10 mph. * Chance Lightning....0 percent. * CWR (> 0.10 Inch)...0 percent. .THURSDAY... * Sky/Weather.........Mostly cloudy. Chance of snow. * Max Temperature.....30-40 valleys and 25-30 ridges. * Min Humidity........78-88 percent valleys and 84-94 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. * Transport Winds.....West 15 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...40 percent. .THURSDAY NIGHT... * Sky/Weather.........Mostly cloudy. Snow likely and slight chance of freezing rain. * Min Temperature.....25-30. * Max Humidity........87-97 percent. * 20-Foot Winds....... * Lower Elevation......West 10-15 mph. * Ridge Top............West 10-15 mph. * Mixing Height.......Below 500 ft to 1 kft agl. * Transport Winds.....West 10 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...50 percent. .FRIDAY... * Sky/Weather.........Mostly cloudy. Patchy dense fog in the morning. Slight chance of light freezing rain in the morning. Snow. Rain in the afternoon. Snow level 4000 feet. * Max Temperature.....30-40. * Min Humidity........77-87 percent valleys and 83-93 percent ridges. * 20-Foot Winds....... * Lower Elevation......Calm to variable less than 7 mph. * Ridge Top............Southwest 5-15 mph. * Mixing Height.......Below 500 ft to 1 kft agl. * Transport Winds.....Southwest 10 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...80 percent. .SATURDAY...Cloudy with snow, rain and slight chance of freezing rain. Chance of precipitation 90 percent. Lows 30-40. Highs 35-45. Min humidities 70-80 percent. West winds 5-15 mph. .SUNDAY...Mostly cloudy with snow and rain. Chance of precipitation 80 percent. Lows 30-40. Highs 35-45. Min humidities 70-80 percent. Southwest winds 10-15 mph. .MONDAY...Mostly cloudy with snow and rain likely. Chance of precipitation 70 percent. Lows 30-40. Highs 40-50. Southwest winds 10-20 mph. .TUESDAY...Cloudy with rain and slight chance of snow. Chance of precipitation 80 percent. Lows 35-45. Highs 40-50. .WEDNESDAY...Mostly cloudy with snow and rain. Chance of precipitation 80 percent. Lows 30-40. Highs 35-45. $$ MTZ107-041100- Flathead Reservation- 141 PM MST Wed Dec 3 2025 .TONIGHT... * Sky/Weather.........Mostly cloudy. * Min Temperature.....25-30 valleys and 15-20 ridges. * Max Humidity........86-96 percent. * 20-Foot Winds....... * Lower Elevation......South 5-10 mph. * Ridge Top............West 5-15 mph in the evening. * Mixing Height.......Below 500 ft to 1 kft agl. * Transport Winds.....Southwest 10 mph. * Chance Lightning....0 percent. * CWR (> 0.10 Inch)...0 percent in areas west of Highway 93...and 20 percent in the Mission Mtns and areas east of Highway 93. .THURSDAY... * Sky/Weather.........Mostly cloudy. Snow likely. Rain and light freezing rain likely in the afternoon. Snow level 3000 feet. * Max Temperature.....35-40 valleys and 20-25 ridges. * Min Humidity........80-90 percent. * 20-Foot Winds....... * Lower Elevation......Calm to variable less than 7 mph. * Ridge Top............West 10-15 mph in the morning. * Mixing Height.......Below 500 ft to 1 kft agl. * Transport Winds.....Southwest 10 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...30 percent in areas west of Highway 93...and 80 percent in the Mission Mtns and areas east of Highway 93. .THURSDAY NIGHT... * Sky/Weather.........Mostly cloudy. Snow likely, slight chance of rain and freezing rain. Snow level 3500 feet. * Min Temperature.....30-35 valleys and 20-25 ridges. * Max Humidity........87-97 percent. * 20-Foot Winds....... * Lower Elevation......Southwest 5-10 mph. * Ridge Top............West 5-15 mph in the evening. * Mixing Height.......Below 500 ft to 1 kft agl. * Transport Winds.....Southwest 10 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...40 percent in areas west of Highway 93...and 80 percent in the Mission Mtns and areas east of Highway 93. .FRIDAY... * Sky/Weather.........Cloudy. Slight chance of light freezing rain in the morning. Snow and rain. Snow level 3500 feet. * Max Temperature.....35-40 valleys and 25-30 ridges. * Min Humidity........81-91 percent valleys and 92 percent ridges. * 20-Foot Winds....... * Lower Elevation......Calm to variable less than 7 mph. * Ridge Top............Southwest 10-15 mph. * Mixing Height.......Below 500 ft to 1 kft agl. * Transport Winds.....Variable less than 10 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...80 percent. .SATURDAY...Cloudy with snow, rain and slight chance of light freezing rain. Chance of precipitation 90 percent. Lows 30-40. Highs 35-45. Min humidities 70-80 percent. Southwest winds 5-15 mph. .SUNDAY...Cloudy with snow with rain likely. Chance of precipitation 80 percent. Lows 30-40. Highs 40-50. Min humidities 70-80 percent. Southwest winds 5-15 mph. .MONDAY...Mostly cloudy with rain likely and slight chance of snow. Chance of precipitation 60 percent. Lows 35-45. Highs 40-50. Southwest winds 5-15 mph. .TUESDAY...Cloudy with rain and slight chance of snow. Chance of precipitation 90 percent. Lows 35-45. Highs 45-55. .WEDNESDAY...Mostly cloudy with rain likely and slight chance of snow. Chance of precipitation 70 percent. Lows 35-45. Highs 40-50. $$ MTZ109-041100- Bitterroot- 141 PM MST Wed Dec 3 2025 .TONIGHT... * Sky/Weather.........Partly cloudy. * Min Temperature.....15-25. * Max Humidity........74-84 percent. * 20-Foot Winds....... * Lower Elevation......Variable less than 5 mph. * Ridge Top............West 5-15 mph. * Mixing Height.......1-2 kft agl. * Transport Winds.....West 10 mph. * Chance Lightning....0 percent. * CWR (> 0.10 Inch)...0 percent. .THURSDAY... * Sky/Weather.........Mostly cloudy. Chance of snow. * Max Temperature.....35-40 valleys and 25-30 ridges. * Min Humidity........66-76 percent. * 20-Foot Winds....... * Lower Elevation......Southwest 5-15 mph. * Ridge Top............Southwest 5-15 mph. * Mixing Height.......1-2 kft agl. * Transport Winds.....Southwest 15 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...30 percent. .THURSDAY NIGHT... * Sky/Weather.........Cloudy. Snow with light freezing rain likely. * Min Temperature.....20-30. * Max Humidity........82-92 percent. * 20-Foot Winds....... * Lower Elevation......Southwest 10-15 mph. * Ridge Top............Southwest 10-15 mph. * Mixing Height.......1-2 kft agl. * Transport Winds.....West 10 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...80 percent in the Darby, Sula, and West Fork Districts...and 60 percent in areas north of Hamilton. .FRIDAY... * Sky/Weather.........Slight chance of freezing rain in the morning. Snow. Rain in the afternoon. Snow level 4500 feet. * Max Temperature.....40-45 valleys and 30-35 ridges. * Min Humidity........69-79 percent valleys and 77-87 percent ridges. * 20-Foot Winds....... * Lower Elevation......Southwest 5-15 mph. * Ridge Top............Southwest 5-15 mph. * Mixing Height.......1-2 kft agl. * Transport Winds.....West 15 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...90 percent. .SATURDAY...Cloudy with snow, rain and slight chance of freezing rain. Chance of precipitation 90 percent. Lows 30-40. Highs 30-40. Min humidities 65-75 percent. West winds 15-25 mph. .SUNDAY...Mostly cloudy with snow likely. Chance of snow 60 percent. Lows 25-35. Highs 35-45. Min humidities 65-75 percent. Southwest winds 10-20 mph. .MONDAY...Mostly cloudy with chance of snow and rain. Chance of precipitation 50 percent. Lows 30-40. Highs 35-45. Southwest winds 15-25 mph. .TUESDAY...Mostly cloudy with rain and chance of snow. Chance of precipitation 80 percent. Lows 30-40. Highs 40-50. .WEDNESDAY...Mostly cloudy with snow with rain likely. Chance of precipitation 80 percent. Lows 30-40. Highs 35-45. $$ MTZ110-111-041100- Deerlodge/West Beaverhead-East Beaverhead- 141 PM MST Wed Dec 3 2025 .TONIGHT... * Sky/Weather.........Partly cloudy. * Min Temperature.....10-20. * Max Humidity........80-90 percent valleys and 72-82 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. * Transport Winds.....West 15 mph. * Chance Lightning....0 percent. * CWR (> 0.10 Inch)...0 percent. .THURSDAY... * Sky/Weather.........Mostly cloudy. Chance of snow. * Max Temperature.....35-40 valleys and 20-30 ridges. * Min Humidity........59-69 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 1300, then 1-2 kft agl. * Transport Winds.....Southwest 15 mph until 1300, then west 20 mph. * Chance Lightning....0 percent in the Deerlodge/West Beaverhead...and near 0 percent in the East Beaverhead. * CWR (> 0.10 Inch)...10 percent. .THURSDAY NIGHT... * Sky/Weather.........Mostly cloudy. Chance of snow. * Min Temperature.....20-25. * Max Humidity........88-98 percent valleys and 78-88 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. * Transport Winds.....West 15 mph. * Chance Lightning....0 percent in the Deerlodge/West Beaverhead...and near 0 percent in the East Beaverhead. * CWR (> 0.10 Inch)...40 percent in the Deerlodge/West Beaverhead...and 10 percent in the East Beaverhead. .FRIDAY... * Sky/Weather.........Mostly cloudy. Snow likely. * Max Temperature.....35-40 valleys and 25-30 ridges. * Min Humidity........62-72 percent valleys and 71-81 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. * Transport Winds.....West 15 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...50 percent in the Deerlodge/West Beaverhead...and 20 percent in the East Beaverhead. .SATURDAY...Mostly cloudy with chance of snow and slight chance of light freezing rain. Chance of precipitation 30 percent. Lows 25-35. Highs 30-40. Min humidities 60-70 percent. West winds 10-20 mph. .SUNDAY...Mostly cloudy with chance of snow. Chance of snow 30 percent. Lows 20-30. Highs 30-40. Min humidities 60-70 percent. Southwest winds 10-20 mph. .MONDAY...Mostly cloudy with chance of snow. Chance of snow 30 percent. Lows 25-35. Highs 35-45. Southwest winds 10-20 mph. .TUESDAY...Mostly cloudy with chance of snow and rain. Chance of precipitation 40 percent. Lows 30-40. Highs 40-50. .WEDNESDAY...Mostly cloudy with chance of snow and rain. Chance of precipitation 40 percent. Lows 30-40. Highs 35-45. $$