Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Missoula, MT
Issued by NWS Missoula, MT
817 FNUS55 KMSO 221030 FWFMSO Fire Weather Planning Forecast for Wrn Montana and N Cntrl Idaho National Weather Service Missoula MT 430 AM MDT Wed May 22 2024 .DISCUSSION... Idaho (Zones 102 and 103): A low pressure system will be making its way through the region today through Thursday causing widespread precipitation with snow in the higher terrain. A second system is expected on Saturday into Sunday. A ridge of high pressure will build over the region during the first part of next week causing a warming and drying trend. Northwest MT (Zones 104 and 105): A low pressure system will be making its way through the region today through Thursday causing widespread precipitation with snow in the higher terrain. A second system is expected on Saturday into Sunday. A ridge of high pressure will build over the region during the first part of next week causing a warming and drying trend. West Central MT (Zones 106, 107 and 108): A low pressure system will be making its way through the region today through Thursday causing widespread precipitation with snow in the higher terrain. Significant snow fall is expected above 5000 feet by Thursday morning. A second system is expected on Saturday into Sunday. A ridge of high pressure will build over the region during the first part of next week causing a warming and drying trend. Southwest MT (Zones 109, 110 and 111): A low pressure system will be making its way through the region today through Thursday causing widespread precipitation with snow in the higher terrain. Significant snow fall is expected above 5000 feet by Thursday morning. A second system is expected on Saturday into Sunday. A ridge of high pressure will build over the region during the first part of next week causing a warming and drying trend. IDZ102-103-231030- Palouse/Hells Canyon-Clearwater/Nez Perce- 330 AM PDT Wed May 22 2024 .TODAY... * Sky/Weather.........Rain and snow in the morning, then rain showers, snow showers and slight chance of thunderstorms in the afternoon. Snow level 5500 feet. * Max Temperature.....50-60 valleys and 40-45 ridges. * Min Humidity........50-60 percent valleys and 62-72 percent ridges. * 20-Foot Winds....... * Lower Elevation......West 10-20 mph. * Ridge Top............West 10-20 mph. * Haines Index........3 very low. * LAL.................3. * CWR (> 0.10 Inch)...70 percent in the Palouse/Hells Canyon...and 100 percent in the Clearwater/Nez Perce. .TONIGHT... * Sky/Weather.........Mostly cloudy. Rain showers, snow showers and slight chance of thunderstorms. Snow and rain after midnight. Snow level 4500 feet. * Min Temperature.....30-40. * Max Humidity........81-91 percent. * 20-Foot Winds....... * Lower Elevation......West 5-10 mph. * Ridge Top............West 10-15 mph. * LAL.................3. * CWR (> 0.10 Inch)...30 percent in the Palouse/Hells Canyon...and 90 percent in the Clearwater/Nez Perce. .THURSDAY... * Sky/Weather.........Mostly cloudy. Snow likely in the morning. Rain likely. Snow level 5500 feet. * Max Temperature.....55-65 valleys and 40-50 ridges. * Min Humidity........47-57 percent valleys and 60-70 percent ridges. * 20-Foot Winds....... * Lower Elevation......Variable less than 7 mph. * Ridge Top............West 5-10 mph. * Haines Index........3 very low. * LAL.................1. * CWR (> 0.10 Inch)...10 percent. .FRIDAY...Partly cloudy. Lows 35-45. Highs 60-70. Min humidities 35-45 percent. South winds 5-10 mph. .SATURDAY...Cooler. Mostly cloudy with rain and slight chance of thunderstorms. Lows 40-50. Highs 50-60. Min humidities 40-50 percent. West winds 10-15 mph. .SUNDAY...Partly cloudy with slight chance of rain showers and snow. Lows 35-45. Highs 55-65. Southwest winds 10-15 mph. .MEMORIAL DAY...Warmer. Partly cloudy. Lows 40-50. Highs 70-80. .TUESDAY...Mostly clear. Lows 45-55. Highs 70-80. $$ MTZ104-105-231030- Kootenai-Flathead/Glacier Park- 430 AM MDT Wed May 22 2024 .TODAY... * Sky/Weather.........Rain and snow in the morning, then rain showers and slight chance of thunderstorms in the afternoon. Snow level 6500 feet. * Max Temperature.....50-55 valleys and 35-45 ridges. * Min Humidity........56-66 percent valleys and 76-86 percent ridges. * 20-Foot Winds....... * Lower Elevation......Variable less than 7 mph. * Ridge Top............South 5-10 mph becoming west 5-15 mph in the afternoon. * Haines Index........2 very low. * LAL.................3. * CWR (> 0.10 Inch)...90 percent. .TONIGHT... * Sky/Weather.........Partly cloudy. Rain showers, snow and slight chance of thunderstorms. Chance of rain after midnight. Snow level 6000 feet. * Min Temperature.....30-40. * Max Humidity........83-93 percent. * 20-Foot Winds....... * Lower Elevation......Northwest 10-15 mph. * Ridge Top............North 10-20 mph. * LAL.................2 in the Kootenai...and 3 in the Flathead/Glacier Park. * CWR (> 0.10 Inch)...60 percent in the Kootenai...and 80 percent in the Flathead/Glacier Park. .THURSDAY... * Sky/Weather.........Partly cloudy. Chance of snow in the morning. Rain likely. Slight chance of thunderstorms in the afternoon. Snow level 6000 feet. * Max Temperature.....60-65 valleys and 43-53 ridges. * Min Humidity........37-47 percent valleys and 55-65 percent ridges. * 20-Foot Winds....... * Lower Elevation......Variable less than 7 mph. * Ridge Top............Northwest 5-15 mph. * Haines Index........3 very low. * LAL.................2. * CWR (> 0.10 Inch)...20 percent. .FRIDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Lows 40-50. Highs 55-65. Min humidities 40-50 percent. Southwest winds 10-15 mph. .SATURDAY...Mostly cloudy with chance of rain. Lows 40-50. Highs 50-60. Min humidities 40-50 percent. Southwest winds 10-15 mph. .SUNDAY...Mostly cloudy with chance of snow and slight chance of rain. Lows 35-45. Highs 50-60. Southwest winds 10-20 mph. .MEMORIAL DAY...Partly cloudy. Lows 40-50. Highs 60-70. .TUESDAY...Partly cloudy. Lows 40-50. Highs 65-75. $$ MTZ106-108-231030- West Lolo-East Lolo- 430 AM MDT Wed May 22 2024 .TODAY... * Sky/Weather.........Rain and snow in the morning, then rain showers and slight chance of thunderstorms in the afternoon. Snow level 6500 feet. * Max Temperature.....43-53. * Min Humidity........54-64 percent valleys and 66-76 percent ridges. * 20-Foot Winds....... * Lower Elevation......Variable less than 7 mph. * Ridge Top............Southwest 5-15 mph. * Haines Index........2 very low. * LAL.................2 in the West Lolo...and 3 in the East Lolo. * CWR (> 0.10 Inch)...90 percent in the West Lolo...and 70 percent in the East Lolo. .TONIGHT... * Sky/Weather.........Rain showers, snow showers and slight chance of thunderstorms in the evening, then rain and snow after midnight. Snow level 5500 feet. * Min Temperature.....30-40. * Max Humidity........87-97 percent. * 20-Foot Winds....... * Lower Elevation......West 10-15 mph. * Ridge Top............West 10-20 mph. * LAL.................2 in the West Lolo...and 3 in the East Lolo. * CWR (> 0.10 Inch)...90 percent. .THURSDAY... * Sky/Weather.........Partly cloudy. Snow with rain likely in the morning. Slight chance of thunderstorms in the afternoon. Snow level 6000 feet. * Max Temperature.....55-65 valleys and 43-53 ridges. * Min Humidity........39-49 percent valleys and 55-65 percent ridges. * 20-Foot Winds....... * Lower Elevation......Northwest 5-15 mph. * Ridge Top............Northwest 5-15 mph. * Haines Index........3 very low. * LAL.................2. * CWR (> 0.10 Inch)...10 percent in the West Lolo...and 30 percent in the East Lolo. .FRIDAY...Partly cloudy with slight chance of rain. Lows 35-45. Highs 55-65. Min humidities 30-40 percent. Southwest winds 10-15 mph. .SATURDAY...Mostly cloudy with chance of rain and slight chance of thunderstorms. Lows 40-50. Highs 50-60. Min humidities 40-50 percent. Southwest winds 10-15 mph. .SUNDAY...Mostly cloudy with chance of snow and slight chance of rain. Lows 35-45. Highs 55-65. West winds 10-15 mph. .MEMORIAL DAY...Partly cloudy. Lows 35-45. Highs 65-75. .TUESDAY...Mostly clear. Lows 45-55. Highs 70-80. $$ MTZ107-231030- Flathead Reservation- 430 AM MDT Wed May 22 2024 .TODAY... * Sky/Weather.........Rain in the morning, then rain showers and slight chance of thunderstorms in the afternoon. Snow level 6500 feet. * Max Temperature.....55-60 valleys and 35-40 ridges. * Min Humidity........63-73 percent valleys and 78-88 percent ridges. * 20-Foot Winds....... * Lower Elevation......Variable less than 7 mph. * Ridge Top............West 5-15 mph. * Haines Index........2 very low. * LAL.................3. * CWR (> 0.10 Inch)...90 percent. .TONIGHT... * Sky/Weather.........Mostly cloudy. Rain showers and slight chance of thunderstorms in the evening, then chance of rain and snow after midnight. Snow level 5500 feet. * Min Temperature.....40-45 valleys and 25-30 ridges. * Max Humidity........88-98 percent valleys and 100 percent ridges. * 20-Foot Winds....... * Lower Elevation......West 5-15 mph. * Ridge Top............West 10-20 mph. * LAL.................3. * CWR (> 0.10 Inch)...90 percent. .THURSDAY... * Sky/Weather.........Partly cloudy. Snow likely in the morning. Chance of rain. Slight chance of thunderstorms in the afternoon. Snow level 6000 feet. * Max Temperature.....60-65 valleys and 40-45 ridges. * Min Humidity........40-50 percent valleys and 52-62 percent ridges. * 20-Foot Winds....... * Lower Elevation......Variable less than 7 mph. * Ridge Top............Northwest 10-15 mph. * Haines Index........3 very low. * LAL.................2. * CWR (> 0.10 Inch)...10 percent. .FRIDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Lows 40-50. Highs 60-70. Min humidities 35-45 percent. Southwest winds 10-15 mph. .SATURDAY...Mostly cloudy with chance of rain. Lows 45-55. Highs 55-65. Min humidities 35-45 percent. Southwest winds 10-15 mph. .SUNDAY...Mostly cloudy with chance of rain. Lows 40-50. Highs 55-65. Southwest winds 10-20 mph. .MEMORIAL DAY...Partly cloudy. Lows 40-50. Highs 65-75. .TUESDAY...Partly cloudy. Lows 45-55. Highs 70-80. $$ MTZ109-231030- Bitterroot- 430 AM MDT Wed May 22 2024 .TODAY... * Sky/Weather.........Rain and snow in the morning, then rain showers, snow showers and chance of thunderstorms in the afternoon. Snow level 6500 feet. * Max Temperature.....55-60 valleys and 40-45 ridges. * Min Humidity........52-62 percent valleys and 63-73 percent ridges. * 20-Foot Winds....... * Lower Elevation......Variable less than 7 mph. * Ridge Top............West 5-15 mph. * Haines Index........2 very low. * LAL.................3. * CWR (> 0.10 Inch)...100 percent in the Darby, Sula, and West Fork Districts...and 80 percent in areas north of Hamilton. .TONIGHT... * Sky/Weather.........Cloudy. Snow showers, rain showers and slight chance of thunderstorms in the evening, then snow and rain after midnight. Snow level 5000 feet. * Min Temperature.....25-35. * Max Humidity........85-95 percent. * 20-Foot Winds....... * Lower Elevation......West 5-15 mph. * Ridge Top............West 10-20 mph. * LAL.................3. * CWR (> 0.10 Inch)...90 percent. .THURSDAY... * Sky/Weather.........Mostly cloudy. Snow with rain likely. Slight chance of thunderstorms in the afternoon. Snow level 5500 feet. * Max Temperature.....55-60 valleys and 40-45 ridges. * Min Humidity........45-55 percent valleys and 62-72 percent ridges. * 20-Foot Winds....... * Lower Elevation......Northwest 5-15 mph. * Ridge Top............Northwest 5-15 mph. * Haines Index........2 very low. * LAL.................2. * CWR (> 0.10 Inch)...50 percent. .FRIDAY...Partly cloudy with slight chance of rain. Lows 30-40. Highs 55-65. Min humidities 30-40 percent. Southwest winds 10-15 mph. .SATURDAY...Mostly cloudy with rain, snow likely and slight chance of thunderstorms. Lows 35-45. Highs 50-60. Min humidities 40-50 percent. Southwest winds 10-15 mph. .SUNDAY...Mostly cloudy with chance of rain and slight chance of snow. Lows 30-40. Highs 50-60. West winds 10-20 mph. .MEMORIAL DAY...Partly cloudy. Lows 35-45. Highs 60-70. .TUESDAY...Mostly clear. Lows 40-50. Highs 70-80. $$ MTZ110-111-231030- Deerlodge/West Beaverhead-East Beaverhead- 430 AM MDT Wed May 22 2024 .TODAY... * Sky/Weather.........Chance of rain and snow in the morning, then rain showers, chance of thunderstorms and snow showers in the afternoon. Snow level 7000 feet. * Max Temperature.....50-60 valleys and 40-45 ridges. * Min Humidity........39-49 percent valleys and 50-60 percent ridges. * 20-Foot Winds....... * Lower Elevation......Southwest 15-25 mph. * Ridge Top............Southwest 15-25 mph. * Haines Index........3 very low. * LAL.................3. * CWR (> 0.10 Inch)...90 percent. .TONIGHT... * Sky/Weather.........Mostly cloudy. Rain showers in the evening. Snow showers and chance of thunderstorms. Patchy blowing snow after midnight. Snow level 6000 feet. * Min Temperature.....25-30. * Max Humidity........93-100 percent valleys and 85-95 percent ridges. * 20-Foot Winds....... * Lower Elevation......West 10-20 mph. * Ridge Top............West 10-20 mph. * LAL.................3. * CWR (> 0.10 Inch)...100 percent in the Deerlodge/West Beaverhead...and 80 percent in the East Beaverhead. .THURSDAY... * Sky/Weather.........Mostly cloudy. Snow in the morning, then snow showers likely with possible rain showers and thunderstorms in the afternoon. Snow level 6000 feet. * Max Temperature.....45-50 valleys and 35-45 ridges. * Min Humidity........48-58 percent valleys and 58-68 percent ridges. * 20-Foot Winds....... * Lower Elevation......Northwest 10-20 mph. * Ridge Top............Northwest 10-20 mph. * Haines Index........2 very low. * LAL.................2. * CWR (> 0.10 Inch)...70 percent. .FRIDAY...Partly cloudy with slight chance of rain. Lows 25-35. Highs 50-60. Min humidities 25-35 percent. Southwest winds 10-15 mph. .SATURDAY...Mostly cloudy with rain showers likely, chance of thunderstorms and snow. Lows 35-45. Highs 50-60. Min humidities 35-45 percent. Southwest winds 10-20 mph. .SUNDAY...Partly cloudy with chance of rain showers, snow showers and slight chance of thunderstorms. Lows 30-40. Highs 50-60. West winds 10-20 mph. .MEMORIAL DAY...Partly cloudy. Lows 30-40. Highs 60-70. .TUESDAY...Mostly clear. Lows 40-50. Highs 70-80. $$