Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Missoula, MT
Issued by NWS Missoula, MT
011 FNUS55 KMSO 240849 FWFMSO Fire Weather Planning Forecast for Wrn Montana and N Cntrl Idaho National Weather Service Missoula MT 249 AM MDT Fri May 24 2024 .DISCUSSION... Idaho (Zones 102 and 103): Partly cloudy skies today will give way to more unsettled weather starting tonight as another low pressure system moves into north-central Idaho. Northwest MT (Zones 104 and 105): A weak disturbance along the Canadian border will bring showers to northwest Montana this morning and chances for thunderstorms this afternoon. Unsettled weather will continue later on Saturday as another low pressure system moves into the Northern Rockies. West Central MT (Zones 106, 107 and 108): A weak disturbance along the Canadian border will bring chances for rain and thunderstorms today, especially north of about I-90. Unsettled weather will continue later on Saturday as another low pressure system moves into the Northern Rockies. Southwest MT (Zones 109, 110 and 111): A short break from wet weather will take place today under partly cloudy skies. However, unsettled weather will continue later on Saturday as another low pressure system moves into the Northern Rockies. IDZ102-103-250900- Palouse/Hells Canyon-Clearwater/Nez Perce- 149 AM PDT Fri May 24 2024 .TODAY... * Sky/Weather.........Partly cloudy. Slight chance of thunderstorms in the afternoon. Snow level 7000 feet. * Max Temperature.....65-75 valleys and 50-60 ridges. * Min Humidity........31-41 percent valleys and 38-48 percent ridges. * 20-Foot Winds....... * Lower Elevation......Becoming upslope/upvalley 4-8 mph in the afternoon. * Ridge Top............Southwest 5-10 mph. * Haines Index........3 very low. * LAL.................3. * CWR (> 0.10 Inch)...10 percent. .TONIGHT... * Sky/Weather.........Mostly cloudy. Rain showers and slight chance of thunderstorms. Snow level 7500 feet. * Min Temperature.....40-50 valleys and 35-40 ridges. * Max Humidity........83-93 percent. * 20-Foot Winds....... * Lower Elevation......Variable less than 5 mph in the evening becoming downslope/downvalley 1-3 mph. * Ridge Top............West 5-10 mph. * LAL.................3. * CWR (> 0.10 Inch)...50 percent in the Palouse/Hells Canyon...and 70 percent in the Clearwater/Nez Perce. .SATURDAY... * Sky/Weather.........Mostly cloudy. Rain and snow in the morning, then rain showers and slight chance of thunderstorms in the afternoon. Snow level 5500 feet. * Max Temperature.....55-65 valleys and 40-50 ridges. * Min Humidity........49-59 percent valleys and 59-69 percent ridges. * 20-Foot Winds....... * Lower Elevation......West 5-15 mph. * Ridge Top............West 5-15 mph. * Haines Index........2 very low. * LAL.................2. * CWR (> 0.10 Inch)...40 percent in the Palouse/Hells Canyon...and 80 percent in the Clearwater/Nez Perce. .SUNDAY...Partly cloudy with chance of rain. Lows 35-45. Highs 60-70. Min humidities 25-35 percent. Southwest winds 10-15 mph. .MEMORIAL DAY...Mostly clear. Lows 40-50. Highs 70-80. Min humidities 20-30 percent. Southwest winds 5-10 mph. .TUESDAY...Partly cloudy with chance of rain showers and slight chance of thunderstorms. Lows 45-55. Highs 75-85. South winds 5-10 mph. .WEDNESDAY...Cooler. Mostly cloudy. Chance of rain showers and slight chance of thunderstorms. Lows 45-55. Highs 60-70. .THURSDAY...Partly cloudy. Slight chance of rain showers. Lows 40-50. Highs 60-70. $$ MTZ104-105-250900- Kootenai-Flathead/Glacier Park- 249 AM MDT Fri May 24 2024 .TODAY... * Sky/Weather.........Mostly cloudy. Chance of rain and snow likely in the morning, then rain showers likely and slight chance of thunderstorms in the afternoon. Snow level 7000 feet. * Max Temperature.....60-70 valleys and 45-55 ridges. * Min Humidity........39-49 percent valleys and 57-67 percent ridges. * 20-Foot Winds....... * Lower Elevation......Southwest 10-15 mph. * Ridge Top............Southwest 10-15 mph. * Haines Index........2 very low. * LAL.................3. * CWR (> 0.10 Inch)...20 percent in the Kootenai...and 40 percent in the Flathead/Glacier Park. .TONIGHT... * Sky/Weather.........Partly cloudy. Slight chance of rain showers and thunderstorms in the evening. Snow level 7000 feet. * Min Temperature.....35-45. * Max Humidity........89-99 percent valleys and 80-90 percent ridges. * 20-Foot Winds....... * Lower Elevation......Variable less than 5 mph in the evening becoming downslope/downvalley 1-3 mph. * Ridge Top............Southwest 5-15 mph. * LAL.................3. * CWR (> 0.10 Inch)...10 percent. .SATURDAY... * Sky/Weather.........Mostly cloudy. Chance of rain and snow in the morning, then rain showers likely and slight chance of thunderstorms in the afternoon. Snow level 6500 feet. * Max Temperature.....55-65 valleys and 40-50 ridges. * Min Humidity........42-52 percent valleys and 62-72 percent ridges. * 20-Foot Winds....... * Lower Elevation......Southwest 10-15 mph. * Ridge Top............Southwest 10-15 mph. * Haines Index........2 very low. * LAL.................3. * CWR (> 0.10 Inch)...40 percent. .SUNDAY...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Lows 35-45. Highs 50-60. Min humidities 30-40 percent. Southwest winds 10-20 mph. .MEMORIAL DAY...Partly cloudy. Lows 35-45. Highs 60-70. Min humidities 25-35 percent. Southwest winds 10-20 mph. .TUESDAY...Partly cloudy. Lows 40-50. Highs 70-80. South winds 10-15 mph. .WEDNESDAY...Cooler. Mostly cloudy. Chance of rain. Lows 45-55. Highs 60-70. .THURSDAY...Partly cloudy. Slight chance of rain and snow. Lows 40-50. Highs 55-65. $$ MTZ106-108-250900- West Lolo-East Lolo- 249 AM MDT Fri May 24 2024 .TODAY... * Sky/Weather.........Partly cloudy. Slight chance of thunderstorms in the afternoon. Snow level 7000 feet. * Max Temperature.....60-70 valleys and 50-60 ridges. * Min Humidity........27-37 percent valleys and 39-49 percent ridges. * 20-Foot Winds....... * Lower Elevation......Variable less than 7 mph. * Ridge Top............West 5-15 mph. * Haines Index........2 very low. * LAL.................2. * CWR (> 0.10 Inch)...0 percent. .TONIGHT... * Sky/Weather.........Mostly cloudy. Slight chance of rain showers and thunderstorms in the evening. Snow level 7500 feet. * Min Temperature.....35-45. * Max Humidity........87-97 percent valleys and 81-91 percent ridges. * 20-Foot Winds....... * Lower Elevation......West 5-10 mph. * Ridge Top............Southwest 5-10 mph. * LAL.................2 in the West Lolo...and 1 in the East Lolo. * CWR (> 0.10 Inch)...20 percent in the West Lolo...and 0 percent in the East Lolo. .SATURDAY... * Sky/Weather.........Mostly cloudy. Rain likely in the morning, then rain showers and slight chance of thunderstorms in the afternoon. Snow level 6500 feet. * Max Temperature.....50-60 valleys and 43-53 ridges. * Min Humidity........45-55 percent valleys and 61-71 percent ridges. * 20-Foot Winds....... * Lower Elevation......West 5-15 mph. * Ridge Top............West 5-15 mph. * Haines Index........2 very low. * LAL.................1 in the West Lolo...and 3 in the East Lolo. * CWR (> 0.10 Inch)...50 percent. .SUNDAY...Partly cloudy with chance of rain and slight chance of snow. Lows 35-45. Highs 55-65. Min humidities 25-35 percent. West winds 10-15 mph. .MEMORIAL DAY...Partly cloudy. Lows 35-45. Highs 65-75. Min humidities 20-30 percent. Southwest winds 10-15 mph. .TUESDAY...Partly cloudy with slight chance of rain showers and thunderstorms. Lows 45-55. Highs 75-85. Southwest winds 5-10 mph. .WEDNESDAY...Cooler. Mostly cloudy. Chance of rain showers and slight chance of thunderstorms. Lows 45-55. Highs 60-70. .THURSDAY...Partly cloudy. Slight chance of rain. Lows 40-50. Highs 60-70. $$ MTZ107-250900- Flathead Reservation- 249 AM MDT Fri May 24 2024 .TODAY... * Sky/Weather.........Mostly cloudy. Chance of rain in the morning. Slight chance of thunderstorms in the afternoon. Snow level 7000 feet. * Max Temperature.....65-70 valleys and 45-50 ridges. * Min Humidity........42-52 percent valleys and 55-65 percent ridges. * 20-Foot Winds....... * Lower Elevation......Variable less than 7 mph. * Ridge Top............Southwest 10-15 mph. * Haines Index........2 very low. * LAL.................3. * CWR (> 0.10 Inch)...20 percent. .TONIGHT... * Sky/Weather.........Mostly cloudy. Slight chance of rain showers and thunderstorms in the evening. Snow level 7500 feet. * Min Temperature.....45-50 valleys and 35-40 ridges. * Max Humidity........83-93 percent valleys and 89-99 percent ridges. * 20-Foot Winds....... * Lower Elevation......Variable less than 5 mph in the evening becoming downslope/downvalley 1-3 mph. * Ridge Top............West 5-15 mph. * LAL.................2. * CWR (> 0.10 Inch)...10 percent. .SATURDAY... * Sky/Weather.........Mostly cloudy. Rain likely in the morning, then rain showers and slight chance of thunderstorms in the afternoon. Snow level 6500 feet. * Max Temperature.....60-65 valleys and 40-45 ridges. * Min Humidity........45-55 percent valleys and 67-77 percent ridges. * 20-Foot Winds....... * Lower Elevation......Southwest 5-15 mph. * Ridge Top............West 10-20 mph. * Haines Index........2 very low. * LAL.................2. * CWR (> 0.10 Inch)...50 percent in areas west of Highway 93...and 80 percent in the Mission Mtns and areas east of Highway 93. .SUNDAY...Mostly cloudy with chance of rain. Lows 40-50. Highs 60-70. Min humidities 30-40 percent. Southwest winds 5-15 mph. .MEMORIAL DAY...Partly cloudy. Lows 40-50. Highs 70-80. Min humidities 25-35 percent. Southwest winds 10-15 mph. .TUESDAY...Partly cloudy with slight chance of rain showers and thunderstorms. Lows 45-55. Highs 75-85. South winds 5-10 mph. .WEDNESDAY...Cooler. Mostly cloudy. Chance of rain showers and slight chance of thunderstorms. Lows 50-60. Highs 65-75. .THURSDAY...Partly cloudy. Slight chance of rain. Lows 45-55. Highs 60-70. $$ MTZ109-250900- Bitterroot- 249 AM MDT Fri May 24 2024 .TODAY... * Sky/Weather.........Partly cloudy. * Max Temperature.....65-70 valleys and 50-55 ridges. * Min Humidity........27-37 percent valleys and 36-46 percent ridges. * 20-Foot Winds....... * Lower Elevation......Becoming upslope/upvalley 4-8 mph in the afternoon. * Ridge Top............West 5-15 mph. * Haines Index........3 very low. * LAL.................1. * CWR (> 0.10 Inch)...0 percent. .TONIGHT... * Sky/Weather.........Mostly cloudy. Slight chance of rain showers and thunderstorms in the evening. Chance of snow after midnight. * Min Temperature.....30-40. * Max Humidity........82-92 percent. * 20-Foot Winds....... * Lower Elevation......Variable less than 5 mph in the evening becoming downslope/downvalley 1-3 mph. * Ridge Top............Northwest 5-10 mph becoming southwest after midnight. * LAL.................2. * CWR (> 0.10 Inch)...20 percent. .SATURDAY... * Sky/Weather.........Mostly cloudy. Rain and snow in the morning, then rain showers, snow showers and slight chance of thunderstorms in the afternoon. Snow level 7000 feet. * Max Temperature.....55-60 valleys and 40-45 ridges. * Min Humidity........45-55 percent valleys and 60-70 percent ridges. * 20-Foot Winds....... * Lower Elevation......West 5-15 mph. * Ridge Top............West 5-15 mph. * Haines Index........2 very low. * LAL.................2. * CWR (> 0.10 Inch)...70 percent. .SUNDAY...Partly cloudy with chance of rain and snow. Lows 30-40. Highs 55-65. Min humidities 25-35 percent. West winds 10-15 mph. .MEMORIAL DAY...Mostly clear. Lows 35-45. Highs 65-75. Min humidities 20-30 percent. Southwest winds 10-15 mph. .TUESDAY...Mostly clear. Chance of rain showers and slight chance of thunderstorms. Lows 40-50. Highs 70-80. South winds 5-10 mph. .WEDNESDAY...Cooler. Mostly cloudy. Chance of rain showers and slight chance of thunderstorms. Lows 45-55. Highs 60-70. .THURSDAY...Partly cloudy. Slight chance of rain and snow. Lows 40-50. Highs 55-65. $$ MTZ110-111-250900- Deerlodge/West Beaverhead-East Beaverhead- 249 AM MDT Fri May 24 2024 .TODAY... * Sky/Weather.........Partly cloudy. * Max Temperature.....55-60 valleys and 45-50 ridges. * Min Humidity........28-38 percent. * 20-Foot Winds....... * Lower Elevation......Southwest 5-15 mph. * Ridge Top............Southwest 5-15 mph. * Haines Index........3 very low. * LAL.................1. * CWR (> 0.10 Inch)...0 percent. .TONIGHT... * Sky/Weather.........Partly cloudy. Chance of snow showers, slight chance of rain showers and thunderstorms. * Min Temperature.....30-35. * Max Humidity........81-91 percent valleys and 70-80 percent ridges. * 20-Foot Winds....... * Lower Elevation......Southwest 5-15 mph. * Ridge Top............Southwest 5-15 mph. * LAL.................2. * CWR (> 0.10 Inch)...10 percent. .SATURDAY... * Sky/Weather.........Mostly cloudy. Chance of snow showers in the morning. Rain showers. Chance of thunderstorms in the afternoon. * Max Temperature.....50-60 valleys and 45-50 ridges. * Min Humidity........37-47 percent valleys and 47-57 percent ridges. * 20-Foot Winds....... * Lower Elevation......Southwest 5-15 mph. * Ridge Top............Southwest 5-15 mph. * Haines Index........3 very low. * LAL.................3. * CWR (> 0.10 Inch)...50 percent. .SUNDAY...Partly cloudy with rain showers likely with possible snow showers and thunderstorms. Lows 30-40. Highs 55-65. Min humidities 20-30 percent. West winds 5-15 mph. .MEMORIAL DAY...Mostly clear. Lows 35-45. Highs 65-75. Min humidities 15-25 percent. West winds 10-15 mph. .TUESDAY...Mostly clear. Slight chance of rain showers and thunderstorms. Lows 40-50. Highs 70-80. South winds 10-15 mph. .WEDNESDAY...Partly cloudy. Chance of rain showers and slight chance of thunderstorms. Lows 45-55. Highs 65-75. .THURSDAY...Partly cloudy. Chance of rain showers and slight chance of thunderstorms. Lows 40-50. Highs 60-70. $$