Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Missoula, MT
Issued by NWS Missoula, MT
004 FNUS55 KMSO 050846 FWFMSO Fire Weather Planning Forecast for Wrn Montana and N Cntrl Idaho National Weather Service Missoula MT 246 AM MDT Sun May 5 2024 .DISCUSSION... Idaho (Zones 102 and 103): Cool and showery conditions will develop today and continue through late Wednesday. Widespread 0.25 to 0.50 inch accumulations are expected from this system. The highest elevations have a 90% chance of an inch or more of moisture in the form of snow. Warming and drier conditions develop Thursday potentially through late weekend. Northwest MT (Zones 104 and 105): Cool and showery conditions will develop today through midweek. There is a 50-60% chance of widespread 0.25 inch rain accumulations, while the Glacier Region with wrap around moisture Tuesday and Wednesday has a 40% chance of receiving greater than 0.75 inches, mostly in the form of snow above 4000 feet. Warming and drier conditions develop Thursday potentially through late weekend. West Central MT (Zones 106, 107 and 108): Cool and showery conditions will develop today through midweek. There is a 60-70% chance of widespread 0.25 inch rain accumulations, while the Bitterroot Range has a 60% chance of receiving greater than 0.75 inches, mostly in the form of snow above 5000 feet. Warming and drier conditions develop Thursday potentially through late weekend. Southwest MT (Zones 109, 110 and 111): Very breezy east winds Sunday transition to westerly Monday. Total accumulations by Wednesday have a 40% chance of 0.50 inch or greater while 0.25 inch is 80 to 90%. Warming and drier conditions develop Thursday potentially through late weekend. View Fire Weather Briefing videos on our YouTube channel at https://www.youtube.com/NWSMissoula IDZ102-103-060900- Palouse/Hells Canyon-Clearwater/Nez Perce- 146 AM PDT Sun May 5 2024 .TODAY... * Sky/Weather.........Mostly cloudy. Rain. Snow level 6500 feet. * Max Temperature.....55-65 valleys and 40-50 ridges. * Min Humidity........49-59 percent. * 20-Foot Winds....... * Lower Elevation......Southwest 10-20 mph in the morning becoming variable less than 7 mph. * Ridge Top............South 15-25 mph becoming southwest 10-15 mph in the afternoon. * Haines Index........2 very low. * LAL.................1. * CWR (> 0.10 Inch)...50 percent. .TONIGHT... * Sky/Weather.........Rain showers and slight chance of thunderstorms in the evening. Snow and rain after midnight. Snow level 5500 feet. * Min Temperature.....30-40. * Max Humidity........81-91 percent. * 20-Foot Winds....... * Lower Elevation......West 5-10 mph increasing to 10-20 mph after midnight. * Ridge Top............West 20-30 mph. * LAL.................1 in the Palouse/Hells Canyon...and 3 in the Clearwater/Nez Perce. * CWR (> 0.10 Inch)...90 percent. .MONDAY... * Sky/Weather.........Mostly cloudy. Snow and rain in the morning, then rain showers, snow showers and slight chance of thunderstorms in the afternoon. Snow level 4500 feet. * Max Temperature.....50-60 valleys and 35-45 ridges. * Min Humidity........52-62 percent. * 20-Foot Winds....... * Lower Elevation......West 15-25 mph. * Ridge Top............West 20-30 mph. * Haines Index........3 very low. * LAL.................3. * CWR (> 0.10 Inch)...30 percent in the Palouse/Hells Canyon...and 90 percent in the Clearwater/Nez Perce. .TUESDAY...Mostly cloudy with snow showers, rain showers and slight chance of thunderstorms. Lows 30-40. Highs 40-50. Min humidities 40-50 percent. West winds 20-30 mph. .WEDNESDAY...Mostly cloudy with chance of snow and rain. Lows 35-45. Highs 45-55. Min humidities 35-45 percent. West winds 20-30 mph. .THURSDAY...Partly cloudy. Widespread frost. Lows 35-45. Highs 55-65. Northeast winds 5-15 mph. .FRIDAY...Mostly clear. Lows 35-45. Highs 65-75. .SATURDAY...Mostly clear. Lows 40-50. Highs 70-80. $$ MTZ104-105-060900- Kootenai-Flathead/Glacier Park- 246 AM MDT Sun May 5 2024 .TODAY... * Sky/Weather.........Mostly cloudy. Rain likely. * Max Temperature.....60-65 valleys and 45-55 ridges. * Min Humidity........43-53 percent valleys and 51-61 percent ridges. * 20-Foot Winds....... * Lower Elevation......Variable less than 7 mph. * Ridge Top............East 15-25 mph becoming south 5-15 mph in the afternoon. * Haines Index........2 very low. * LAL.................1. * CWR (> 0.10 Inch)...40 percent. .TONIGHT... * Sky/Weather.........Mostly cloudy. Rain. Snow after midnight. Snow level 7000 feet. * Min Temperature.....30-40. * Max Humidity........81-91 percent. * 20-Foot Winds....... * Lower Elevation......Variable less than 5 mph becoming southwest 5-10 mph after midnight. * Ridge Top............West 10-20 mph increasing to 20-30 mph after midnight. * LAL.................1. * CWR (> 0.10 Inch)...30 percent in the Kootenai...and 80 percent in the Flathead/Glacier Park. .MONDAY... * Sky/Weather.........Mostly cloudy. Rain and snow. Snow level 5000 feet. * Max Temperature.....50-60 valleys and 35-45 ridges. * Min Humidity........39-49 percent valleys and 62-72 percent ridges. * 20-Foot Winds....... * Lower Elevation......Southwest 25-35 mph. * Ridge Top............West 30-40 mph. * Haines Index........2 very low. * LAL.................1. * CWR (> 0.10 Inch)...40 percent in the Kootenai...and 60 percent in the Flathead/Glacier Park. .TUESDAY...Mostly cloudy with chance of snow and rain. Lows 30-40. Highs 40-50. Min humidities 45-55 percent. West winds 25-35 mph. .WEDNESDAY...Mostly cloudy with chance of rain and snow. Lows 35-45. Highs 45-55. Min humidities 40-50 percent. West winds 15-25 mph. .THURSDAY...Partly cloudy with chance of rain and snow. Lows 35-45. Highs 55-65. North winds 5-15 mph. .FRIDAY...Mostly clear. Lows 35-45. Highs 60-70. .SATURDAY...Mostly clear. Lows 40-50. Highs 65-75. $$ MTZ106-108-060900- West Lolo-East Lolo- 246 AM MDT Sun May 5 2024 .TODAY... * Sky/Weather.........Mostly cloudy. Chance of rain in the morning. Slight chance of thunderstorms in the afternoon. * Max Temperature.....53-63. * Min Humidity........41-51 percent. * 20-Foot Winds....... * Lower Elevation......Variable less than 7 mph. * Ridge Top............Southeast 15-25 mph becoming southwest 10-20 mph in the afternoon. * Haines Index........2 very low. * LAL.................1 in the West Lolo...and 3 in the East Lolo. * CWR (> 0.10 Inch)...20 percent in the West Lolo...and 60 percent in the East Lolo. .TONIGHT... * Sky/Weather.........Mostly cloudy. Rain showers and slight chance of thunderstorms in the evening, then rain and snow after midnight. Snow level 6500 feet. * Min Temperature.....30-40. * Max Humidity........80-90 percent. * 20-Foot Winds....... * Lower Elevation......West 10-20 mph. * Ridge Top............West 15-25 mph increasing to 30-40 mph after midnight. * LAL.................1 in the West Lolo...and 3 in the East Lolo. * CWR (> 0.10 Inch)...60 percent in the West Lolo...and 80 percent in the East Lolo. .MONDAY... * Sky/Weather.........Mostly cloudy. Snow and rain. Snow level 5000 feet. * Max Temperature.....45-55 valleys and 38-48 ridges. * Min Humidity........44-54 percent valleys and 55-65 percent ridges. * 20-Foot Winds....... * Lower Elevation......West 25-35 mph. * Ridge Top............West 30-40 mph decreasing to 20-35 mph in the afternoon. * Haines Index........2 very low. * LAL.................1. * CWR (> 0.10 Inch)...40 percent. .TUESDAY...Mostly cloudy with chance of snow and rain. Lows 30-40. Highs 40-50. Min humidities 45-55 percent. West winds 25-35 mph. .WEDNESDAY...Mostly cloudy with chance of snow and rain. Lows 35-45. Highs 45-55. Min humidities 45-55 percent. West winds 25-35 mph. .THURSDAY...Mostly cloudy with chance of rain and snow. Lows 35-45. Highs 55-65. Northwest winds 5-15 mph. .FRIDAY...Mostly clear. Lows 35-45. Highs 60-70. .SATURDAY...Mostly clear. Lows 40-50. Highs 70-80. $$ MTZ107-060900- Flathead Reservation- 246 AM MDT Sun May 5 2024 .TODAY... * Sky/Weather.........Mostly cloudy. Chance of rain. * Max Temperature.....65-70 valleys and 45-50 ridges. * Min Humidity........40-50 percent valleys and 48-58 percent ridges. * 20-Foot Winds....... * Lower Elevation......Becoming southwest 10-15 mph in the afternoon. * Ridge Top............Southeast 20-30 mph becoming west 10-15 mph in the afternoon. * Haines Index........2 very low. * LAL.................1. * CWR (> 0.10 Inch)...20 percent in areas west of Highway 93...and 50 percent in the Mission Mtns and areas east of Highway 93. .TONIGHT... * Sky/Weather.........Mostly cloudy. Rain. Snow level 6500 feet. * Min Temperature.....40-45 valleys and 25-30 ridges. * Max Humidity........79-89 percent valleys and 94 percent ridges. * 20-Foot Winds....... * Lower Elevation......Southwest 10-20 mph. * Ridge Top............West 15-25 mph increasing to 25-35 mph after midnight. * LAL.................1 in areas west of Highway 93...and 3 in the Mission Mtns and areas east of Highway 93. * CWR (> 0.10 Inch)...40 percent in areas west of Highway 93...and 90 percent in the Mission Mtns and areas east of Highway 93. .MONDAY... * Sky/Weather.........Mostly cloudy. Rain and snow. Snow level 5000 feet. * Max Temperature.....55-60 valleys and 30-35 ridges. * Min Humidity........40-50 percent valleys and 61-71 percent ridges. * 20-Foot Winds....... * Lower Elevation......West 20-30 mph. * Ridge Top............West 30-40 mph. * Haines Index........2 very low. * LAL.................1. * CWR (> 0.10 Inch)...20 percent in areas west of Highway 93...and 90 percent in the Mission Mtns and areas east of Highway 93. .TUESDAY...Mostly cloudy with chance of rain and snow. Lows 35-45. Highs 45-55. Min humidities 45-55 percent. West winds 25-35 mph. .WEDNESDAY...Mostly cloudy with chance of rain and snow. Lows 35-45. Highs 45-55. Min humidities 45-55 percent. West winds 20-30 mph. .THURSDAY...Mostly cloudy with slight chance of rain. Lows 40-50. Highs 55-65. North winds 5-15 mph. .FRIDAY...Mostly clear. Lows 40-50. Highs 65-75. .SATURDAY...Mostly clear. Lows 40-50. Highs 70-80. $$ MTZ109-060900- Bitterroot- 246 AM MDT Sun May 5 2024 .TODAY... * Sky/Weather.........Mostly cloudy. Chance of rain and snow in the morning, then rain showers and slight chance of thunderstorms in the afternoon. Snow level 7500 feet. * Max Temperature.....60-65 valleys and 45-50 ridges. * Min Humidity........36-46 percent valleys and 50-60 percent ridges. * 20-Foot Winds....... * Lower Elevation......Becoming southwest 5-15 mph in the afternoon. * Ridge Top............South 15-25 mph becoming southwest 10-15 mph in the afternoon. * Haines Index........2 very low. * LAL.................3. * CWR (> 0.10 Inch)...80 percent in the Darby, Sula, and West Fork Districts...and 60 percent in areas north of Hamilton. .TONIGHT... * Sky/Weather.........Cloudy. Rain showers, snow showers and slight chance of thunderstorms in the evening, then snow and rain after midnight. Snow level 6000 feet. * Min Temperature.....28-38. * Max Humidity........79-89 percent. * 20-Foot Winds....... * Lower Elevation......West 5-15 mph becoming south after midnight. * Ridge Top............West 20-30 mph increasing to 30-40 mph after midnight. * LAL.................3. * CWR (> 0.10 Inch)...90 percent. .MONDAY... * Sky/Weather.........Mostly cloudy. Snow with rain likely. Snow level 5000 feet. * Max Temperature.....50-55 valleys and 35-40 ridges. * Min Humidity........35-45 percent valleys and 52-62 percent ridges. * 20-Foot Winds....... * Lower Elevation......West 25-35 mph. * Ridge Top............West 25-35 mph. * Haines Index........2 very low. * LAL.................1. * CWR (> 0.10 Inch)...50 percent in the Darby, Sula, and West Fork Districts...and 20 percent in areas north of Hamilton. .TUESDAY...Colder. Mostly cloudy with snow. Lows 25-35. Highs 35-45. Min humidities 40-50 percent. West winds 25-35 mph. .WEDNESDAY...Mostly cloudy with chance of snow and rain. Lows 30-40. Highs 40-50. Min humidities 40-50 percent. West winds 25-35 mph. .THURSDAY...Mostly cloudy with slight chance of rain and snow. Lows 30-40. Highs 50-60. North winds 5-15 mph. .FRIDAY...Mostly clear. Widespread frost. Lows 30-40. Highs 60-70. .SATURDAY...Mostly clear. Lows 35-45. Highs 65-75. $$ MTZ110-111-060900- Deerlodge/West Beaverhead-East Beaverhead- 246 AM MDT Sun May 5 2024 .TODAY... * Sky/Weather.........Mostly cloudy. Chance of rain and snow in the morning, then rain showers and slight chance of thunderstorms in the afternoon. * Max Temperature.....55-60 valleys and 43-53 ridges. * Min Humidity........37-47 percent valleys and 45-55 percent ridges. * 20-Foot Winds....... * Lower Elevation......South 20-30 mph. * Ridge Top............South 20-30 mph. * Haines Index........3 very low. * LAL.................4 in the Deerlodge/West Beaverhead...and 3 in the East Beaverhead. * CWR (> 0.10 Inch)...70 percent in the Deerlodge/West Beaverhead...and 20 percent in the East Beaverhead. .TONIGHT... * Sky/Weather.........Mostly cloudy. Rain showers, snow showers and chance of thunderstorms in the evening, then snow and rain after midnight. Snow level 6500 feet. * Min Temperature.....30-40 valleys and 25-30 ridges. * Max Humidity........78-88 percent. * 20-Foot Winds....... * Lower Elevation......Southwest 15-25 mph. * Ridge Top............Southwest 20-30 mph. * LAL.................4 in the Deerlodge/West Beaverhead...and 3 in the East Beaverhead. * CWR (> 0.10 Inch)...80 percent in the Deerlodge/West Beaverhead...and 60 percent in the East Beaverhead. .MONDAY... * Sky/Weather.........Mostly cloudy. Snow. Chance of rain in the afternoon. Snow level 5500 feet. * Max Temperature.....45-55 valleys and 35-40 ridges. * Min Humidity........34-44 percent valleys and 45-55 percent ridges. * 20-Foot Winds....... * Lower Elevation......West 25-35 mph. * Ridge Top............West 30-40 mph. * Haines Index........2 very low. * LAL.................1. * CWR (> 0.10 Inch)...20 percent. .TUESDAY...Colder. Mostly cloudy with chance of snow. Lows 25-35. Highs 35-45. Min humidities 30-40 percent. West winds 25-35 mph. .WEDNESDAY...Mostly cloudy with snow likely. Lows 30-40. Highs 40-50. Min humidities 40-50 percent. West winds 25-35 mph. .THURSDAY...Mostly cloudy with chance of snow and rain. Lows 30-40. Highs 45-55. North winds 5-15 mph. .FRIDAY...Partly cloudy. Lows 30-40. Highs 55-65. .SATURDAY...Mostly clear. Lows 35-45. Highs 60-70. $$