705 FNUS55 KMSO 190703 FWFMSO Fire Weather Planning Forecast for Wrn Montana and N Cntrl Idaho National Weather Service Missoula MT 103 AM MDT Mon May 19 2025 .DISCUSSION... Idaho (Zones 102 and 103): Scattered showers diminish by around sunrise with a mostly dry and slightly warmer day compared to Sunday. The next round of precipitation arrives late this afternoon lasting into Tuesday with a decent chance of wetting rains. Westerly winds increase on Tuesday. Wednesday stands out as having the lowest min Rh of the week. The active and unsettled pattern continues Thursday through Saturday with warming and drying likely early next week. Northwest MT (Zones 104 and 105): Today is expected to be mostly dry and slightly warmer day compared to Sunday. The next round of light precipitation arrives late this afternoon lasting into Tuesday with only a slight chance of wetting rains. Southwest to west winds increase slightly on Tuesday. Wednesday stands out as having the lowest min Rh of the week. The active and unsettled pattern continues Thursday through Saturday with warming and drying likely early next week. West Central MT (Zones 106, 107 and 108): Today is expected to be mostly dry and slightly warmer day compared to Sunday. The next round of light precipitation arrives this evening lasting into Tuesday with only a slight chance of wetting rains in the valleys, 30% to 50% on the terrain. Southwest to west winds increase slightly on Tuesday. Wednesday stands out as having the lowest min Rh of the week. The active and unsettled pattern continues Thursday through Saturday with warming and drying likely early next week. Southwest MT (Zones 109, 110 and 111): Today is expected to be mostly dry and slightly warmer day compared to Sunday. The next round of light precipitation arrives this evening lasting into Tuesday with only a slight chance of wetting rains. Southwest to west winds increase slightly on Tuesday. Wednesday stands out as having the lowest min Rh of the week. The active and unsettled pattern continues Thursday through Saturday with warming and drying likely early next week. IDZ102-103-200715- Palouse/Hells Canyon-Clearwater/Nez Perce- 1203 AM PDT Mon May 19 2025 .TODAY... * Sky/Weather.........Partly cloudy. Scattered early morning showers. Slight chance of showers again by late afternoon. Snow level 5500 feet. * Max Temperature.....60-70 valleys and 45-55 ridges. * Min Humidity........36-46 percent valleys and 43-53 percent ridges. * 20-Foot Winds....... * Lower Elevation......Calm to variable less than 7 mph. * Ridge Top............Southwest 5-15 mph. * Mixing Height.......3 kft agl until 0900, then 7 kft agl after 1500. * Transport Winds.....Southwest 10 mph until 1600, then west 15 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...20 percent in the Palouse/Hells Canyon...and 0 percent in the Clearwater/Nez Perce. .TONIGHT... * Sky/Weather.........Partly cloudy. Rain showers and slight chance of thunderstorms in the evening, then rain and snow after midnight. Snow level 6500 feet. * Min Temperature.....40-45 valleys and 30-35 ridges. * Max Humidity........74-84 percent. * 20-Foot Winds....... * Lower Elevation......Southwest 5-10 mph. * Ridge Top............West 10-15 mph. * Mixing Height.......3 kft agl until 2000, then 1-2 kft agl. * Transport Winds.....West 10 mph. * Chance Lightning....20 percent in the Palouse/Hells Canyon...and 15 percent in the Clearwater/Nez Perce. * CWR (> 0.10 Inch)...40 percent in the Palouse/Hells Canyon...and 60 percent in the Clearwater/Nez Perce. .TUESDAY... * Sky/Weather.........Mostly cloudy. Rain and snow early, diminishing in the afternoon. Snow level 5000 feet. * Max Temperature.....55-65 valleys and 40-50 ridges. * Min Humidity........40-50 percent valleys and 49-59 percent ridges. * 20-Foot Winds....... * Lower Elevation......West 5-15 mph. * Ridge Top............West 5-15 mph. * Mixing Height.......3 kft agl until 0900. 7 kft agl after 1300. * Transport Winds.....West 15 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...0 percent in the Palouse/Hells Canyon...and 20 percent in the Clearwater/Nez Perce. .WEDNESDAY...Partly cloudy with slight chance of rain. Chance of rain 20 percent. Lows 35-45. Highs 60-70. Min humidities 25-35 percent. Southwest winds 10-15 mph. .THURSDAY...Mostly cloudy with chance of rain. Chance of rain 50 percent. Lows 40-50. Highs 55-65. Min humidities 30-40 percent. North winds 5-10 mph. .FRIDAY...Partly cloudy with chance of rain. Chance of rain 30 percent. Lows 40-50. Highs 65-75. West winds 5-10 mph. .SATURDAY...Mostly cloudy with chance of rain. Chance of rain 40 percent. Lows 45-55. Highs 60-70. .SUNDAY...Partly cloudy with slight chance of rain. Chance of rain 20 percent. Lows 40-50. Highs 65-75. $$ MTZ104-105-200715- Kootenai-Flathead/Glacier Park- 103 AM MDT Mon May 19 2025 .TODAY... * Sky/Weather.........Partly cloudy. Slight chance of snow in the afternoon. Snow level 5500 feet. * Max Temperature.....60-65 valleys and 40-50 ridges. * Min Humidity........35-45 percent valleys and 54-64 percent ridges. * 20-Foot Winds....... * Lower Elevation......Southwest 10-20 mph. * Ridge Top............Southwest 10-20 mph. * Mixing Height.......1-2 kft agl until 0800. 7 kft agl after 1500. * Transport Winds.....Southwest 15 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...0 percent. .TONIGHT... * Sky/Weather.........Partly cloudy. Chance of rain and snow. Snow level 6000 feet. * Min Temperature.....30-40. * Max Humidity........91-100 percent valleys and 77-87 percent ridges. * 20-Foot Winds....... * Lower Elevation......Southwest 5-10 mph becoming variable less than 5 mph after midnight. * Ridge Top............West 10-20 mph. * Mixing Height.......6 kft agl until 1900. 1-2 kft agl after 2100. * Transport Winds.....West 15 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...10 percent. .TUESDAY... * Sky/Weather.........Mostly cloudy. Rain and snow likely. Snow level 5500 feet. * Max Temperature.....55-60 valleys and 40-50 ridges. * Min Humidity........33-43 percent valleys and 54-64 percent ridges. * 20-Foot Winds....... * Lower Elevation......Southwest 10-20 mph. * Ridge Top............Southwest 15-25 mph. * Mixing Height.......2 kft agl until 0800. 7 kft agl after 1500. * Transport Winds.....West 20 mph until 1600, then 25 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...10 percent. .WEDNESDAY...Partly cloudy with chance of rain and slight chance of snow. Chance of precipitation 30 percent. Lows 35-45. Highs 50-60. Min humidities 25-35 percent. Southwest winds 10-20 mph. .THURSDAY...Partly cloudy with chance of rain. Chance of rain 30 percent. Lows 35-45. Highs 55-65. Min humidities 30-40 percent. Southwest winds 10-15 mph. .FRIDAY...Partly cloudy with slight chance of rain. Chance of rain 20 percent. Lows 40-50. Highs 60-70. Southwest winds 5-10 mph. .SATURDAY...Mostly cloudy with chance of rain. Chance of rain 40 percent. Lows 40-50. Highs 60-70. .SUNDAY...Partly cloudy with chance of rain. Chance of rain 30 percent. Lows 40-50. Highs 60-70. $$ MTZ106-108-200715- West Lolo-East Lolo- 103 AM MDT Mon May 19 2025 .TODAY... * Sky/Weather.........Partly cloudy. * Max Temperature.....48-58. * Min Humidity........30-40 percent valleys and 42-52 percent ridges. * 20-Foot Winds....... * Lower Elevation......West 5-15 mph. * Ridge Top............West 10-20 mph. * Mixing Height.......1-2 kft agl until 0800. 8 kft agl after 1500. * Transport Winds.....West 15 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...0 percent. .TONIGHT... * Sky/Weather.........Mostly cloudy. Rain likely and chance of snow. Snow level 6500 feet. * Min Temperature.....30-40. * Max Humidity........88-98 percent valleys and 78-88 percent ridges. * 20-Foot Winds....... * Lower Elevation......West 10-15 mph. * Ridge Top............West 10-20 mph. * Mixing Height.......7 kft agl until 1900. 1-2 kft agl after 2100. * Transport Winds.....West 15 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...30 percent in the West Lolo...and 10 percent in the East Lolo. .TUESDAY... * Sky/Weather.........Mostly cloudy. Rain and snow likely. Snow level 5500 feet. * Max Temperature.....50-60 valleys and 43-53 ridges. * Min Humidity........35-45 percent valleys and 42-52 percent ridges. * 20-Foot Winds....... * Lower Elevation......West 10-20 mph. * Ridge Top............West 15-25 mph. * Mixing Height.......2 kft agl until 0800. 8 kft agl after 1400. * Transport Winds.....West 20 mph until 1300, then 25 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...10 percent. .WEDNESDAY...Partly cloudy with slight chance of rain. Chance of rain 20 percent. Lows 30-40. Highs 55-65. Min humidities 20-30 percent. West winds 10-20 mph. .THURSDAY...Mostly cloudy with chance of rain. Chance of rain 30 percent. Lows 35-45. Highs 55-65. Min humidities 25-35 percent. Southwest winds 5-10 mph. .FRIDAY...Partly cloudy with slight chance of rain. Chance of rain 20 percent. Lows 40-50. Highs 60-70. West winds 5-10 mph. .SATURDAY...Mostly cloudy with chance of rain. Chance of rain 40 percent. Lows 40-50. Highs 60-70. .SUNDAY...Partly cloudy with chance of rain. Chance of rain 30 percent. Lows 40-50. Highs 65-75. $$ MTZ107-200715- Flathead Reservation- 103 AM MDT Mon May 19 2025 .TODAY... * Sky/Weather.........Partly cloudy. * Max Temperature.....60-65 valleys and 40-45 ridges. * Min Humidity........30-40 percent valleys and 50-60 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 0800. 8 kft agl after 1500. * Transport Winds.....Southwest 15 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...0 percent. .TONIGHT... * Sky/Weather.........Mostly cloudy. Rain likely. Snow level 6500 feet. * Min Temperature.....40-45 valleys and 30-35 ridges. * Max Humidity........80-90 percent valleys and 89-99 percent ridges. * 20-Foot Winds....... * Lower Elevation......Southwest 10-15 mph. * Ridge Top............Southwest 10-15 mph. * Mixing Height.......6 kft agl until 1900. Below 500 ft to 1 kft agl after 2100. * Transport Winds.....Southwest 15 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...10 percent in areas west of Highway 93...and 30 percent in the Mission Mtns and areas east of Highway 93. .TUESDAY... * Sky/Weather.........Mostly cloudy. Snow in the morning. Rain likely. Snow level 5500 feet. * Max Temperature.....60-65 valleys and 35-40 ridges. * Min Humidity........31-41 percent valleys and 54-64 percent ridges. * 20-Foot Winds....... * Lower Elevation......Southwest 10-20 mph. * Ridge Top............West 20-30 mph. * Mixing Height.......2 kft agl until 0800. 8 kft agl after 1400. * Transport Winds.....West 15 mph until 1100, then 20 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...10 percent in areas west of Highway 93...and 50 percent in the Mission Mtns and areas east of Highway 93. .WEDNESDAY...Partly cloudy with slight chance of rain. Chance of rain 20 percent. Lows 35-45. Highs 60-70. Min humidities 20-30 percent. Southwest winds 10-20 mph. .THURSDAY...Mostly cloudy with chance of rain. Chance of rain 30 percent. Lows 40-50. Highs 60-70. Min humidities 25-35 percent. Northwest winds 5-10 mph. .FRIDAY...Partly cloudy with slight chance of rain. Chance of rain 20 percent. Lows 40-50. Highs 65-75. Southwest winds 5-10 mph. .SATURDAY...Mostly cloudy with chance of rain. Chance of rain 40 percent. Lows 45-55. Highs 65-75. .SUNDAY...Partly cloudy with slight chance of rain. Chance of rain 20 percent. Lows 45-55. Highs 65-75. $$ MTZ109-200715- Bitterroot- 103 AM MDT Mon May 19 2025 .TODAY... * Sky/Weather.........Partly cloudy. Slight chance of snow in the afternoon. Snow level 5500 feet. * Max Temperature.....60-65 valleys and 45-50 ridges. * Min Humidity........25-35 percent valleys and 36-46 percent ridges. * 20-Foot Winds....... * Lower Elevation......West 5-15 mph. * Ridge Top............West 5-15 mph. * Mixing Height.......1-2 kft agl until 0800. 8 kft agl after 1200. * Transport Winds.....West 10 mph until 1400, then 15 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...0 percent. .TONIGHT... * Sky/Weather.........Mostly cloudy. Chance of rain and snow. Snow level 6500 feet. * Min Temperature.....30-40. * Max Humidity........74-84 percent. * 20-Foot Winds....... * Lower Elevation......West 5-10 mph becoming variable less than 5 mph after midnight. * Ridge Top............West 10-20 mph. * Mixing Height.......5 kft agl until 1900. 1-2 kft agl after 2100. * Transport Winds.....West 15 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...10 percent. .TUESDAY... * Sky/Weather.........Mostly cloudy. Snow likely and chance of rain. Snow level 5500 feet. * Max Temperature.....55-60 valleys and 45-50 ridges. * Min Humidity........26-36 percent valleys and 39-49 percent ridges. * 20-Foot Winds....... * Lower Elevation......West 10-20 mph. * Ridge Top............West 10-20 mph. * Mixing Height.......2 kft agl until 0800. 8 kft agl after 1300. * Transport Winds.....West 15 mph until 1300, then 20 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...10 percent. .WEDNESDAY...Partly cloudy. Lows 30-40. Highs 55-65. Min humidities 20-30 percent. West winds 10-20 mph. .THURSDAY...Mostly cloudy with rain showers likely with possible snow and thunderstorms. Chance of precipitation 70 percent. Lows 35-45. Highs 55-65. Min humidities 25-35 percent. West winds 10-15 mph. .FRIDAY...Partly cloudy with chance of rain. Chance of rain 30 percent. Lows 35-45. Highs 60-70. West winds 10-15 mph. .SATURDAY...Mostly cloudy with chance of rain. Chance of rain 40 percent. Lows 40-50. Highs 55-65. .SUNDAY...Partly cloudy with chance of rain. Chance of rain 30 percent. Lows 40-50. Highs 60-70. $$ MTZ110-111-200715- Deerlodge/West Beaverhead-East Beaverhead- 103 AM MDT Mon May 19 2025 .TODAY... * Sky/Weather.........Partly cloudy. * Max Temperature.....50-60 valleys and 45-50 ridges. * Min Humidity........26-36 percent. * 20-Foot Winds....... * Lower Elevation......West 5-15 mph. * Ridge Top............West 10-20 mph. * Mixing Height.......2 kft agl until 0800. 8 kft agl after 1400. * Transport Winds.....West 15 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...0 percent. .TONIGHT... * Sky/Weather.........Partly cloudy. Chance of rain and snow. Snow level 7000 feet. * Min Temperature.....25-35. * Max Humidity........82-92 percent valleys and 71-81 percent ridges. * 20-Foot Winds....... * Lower Elevation......West 5-15 mph becoming southwest 5-10 mph after midnight. * Ridge Top............West 10-20 mph. * Mixing Height.......8 kft agl until 1900. Below 500 ft to 1 kft agl after 2100. * Transport Winds.....West 15 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...0 percent. .TUESDAY... * Sky/Weather.........Mostly cloudy. Rain and snow likely. Snow level 6500 feet. * Max Temperature.....50-60 valleys and 45-50 ridges. * Min Humidity........26-36 percent valleys and 34-44 percent ridges. * 20-Foot Winds....... * Lower Elevation......West 10-20 mph. * Ridge Top............West 10-20 mph. * Mixing Height.......1-2 kft agl until 0800. 9 kft agl after 1500. * Transport Winds.....West 15 mph until 1300, then 20 mph. * Chance Lightning....Near 0 percent. * CWR (> 0.10 Inch)...10 percent. .WEDNESDAY...Partly cloudy. Lows 30-40. Highs 55-65. Min humidities 15-25 percent. West winds 10-20 mph. .THURSDAY...Mostly cloudy with rain showers likely with possible snow and thunderstorms. Chance of precipitation 60 percent. Lows 35-45. Highs 55-65. Min humidities 20-30 percent. South winds 10-15 mph. .FRIDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Chance of precipitation 30 percent. Lows 35-45. Highs 60-70. West winds 10-15 mph. .SATURDAY...Mostly cloudy with chance of rain. Chance of rain 30 percent. Lows 40-50. Highs 60-70. .SUNDAY...Partly cloudy with chance of rain. Chance of rain 30 percent. Lows 35-45. Highs 60-70. $$