Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Seattle/Tacoma, WA
Issued by NWS Seattle/Tacoma, WA
636 FNUS56 KSEW 202331 FWFSEW Fire Weather Planning Forecast for Western Washington National Weather Service Seattle WA 330 PM PST Thu Nov 20 2025 .DISCUSSION...Drier weather through Friday morning as ridging nudges into Western Washington. A stalled frontal system will be located over British Columbia late Friday through Saturday. A cold front will bring rain and higher elevation mountain snowfall on Sunday. Cooler weather expected on Monday. Another potential system may bring rain, mountain snow midweek. Forecast for 20 foot wind speed (valleys and ridge tops) are 10 minute averages reflecting RAWS winds. WAZ649-211200- North and Central Coastal Strip- 330 PM PST Thu Nov 20 2025 .Tonight... * Sky/weather..........Partly cloudy then becoming mostly cloudy. Slight chance of rain showers in the evening, then chance of rain after midnight. * Chance of precip.....35%. * Min temperature......39-49. * Max humidity.........89-100 percent. * 20-foot winds........ * Valleys/lwr slopes..Southeast winds 4 to 7 mph. * Ridges/upr slopes...Southeast winds 5 to 8 mph. * Mixing height........400-500 ft AGL. * Transport winds......Southeast around 10 mph. .FRIDAY... * Sky/weather..........Mostly cloudy. Chance of rain in the morning, then rain in the afternoon. * Chance of precip.....70%. * Max temperature......47-57. * Min humidity.........86-98 percent. * 20-foot winds........ * Valleys/lwr slopes..South winds 5 to 8 mph. * Ridges/upr slopes...South winds 6 to 9 mph. * Mixing height........500-1000 ft AGL. * Transport winds......South around 10 mph. .FRIDAY NIGHT... * Sky/weather..........Cloudy. Rain. * Chance of precip.....100%. * Min temperature......44-54. * Max humidity.........94-100 percent. * 20-foot winds........ * Valleys/lwr slopes..South winds 5 to 8 mph. * Ridges/upr slopes...South winds 6 to 9 mph. * Mixing height........500-700 ft AGL. * Transport winds......South around 10 mph. .SATURDAY... * Sky/weather..........Cloudy. Rain. * Chance of precip.....100%. * Max temperature......49-59. * Min humidity.........88-99 percent. * 20-foot winds........ * Valleys/lwr slopes..South winds 5 to 8 mph. * Ridges/upr slopes...South winds 6 to 9 mph. * Mixing height........500-1000 ft AGL. * Transport winds......South around 10 mph. .SUNDAY...Rain. Lows in the upper 40s. Highs in the lower 50s. Northwest winds 7 to 10 mph. .MONDAY...Showers. Lows in the lower 40s. Highs around 50. West winds around 5 mph. .TUESDAY...Mostly cloudy with a chance of showers. Lows in the lower 40s. Highs in the upper 40s. East winds around 4 mph. .WEDNESDAY...Rain likely. Lows in the lower 40s. Highs in the lower 50s. .THANKSGIVING DAY...Mostly cloudy with rain likely. Lows in the mid 40s. Highs in the lower 50s. .8 TO 14 day Outlook for Nov 28 - Dec 04, 2025 Below normal temperatures and near normal precipitation. $$ WAZ650-211200- North Coastal Lowlands- 330 PM PST Thu Nov 20 2025 .Tonight... * Sky/weather..........Partly cloudy then becoming mostly cloudy. Slight chance of rain showers in the evening, then chance of rain after midnight. * Chance of precip.....35%. * Min temperature......36-46. * Max humidity.........83-98 percent. * 20-foot winds........ * Valleys/lwr slopes..Southeast winds 3 to 6 mph. * Ridges/upr slopes...Southeast winds 4 to 7 mph. * Mixing height........600-700 ft AGL. * Transport winds......Southeast 5 to 10 mph. .FRIDAY... * Sky/weather..........Mostly cloudy. Chance of rain in the morning, then rain in the afternoon. * Chance of precip.....70%. * Max temperature......43-53. * Min humidity.........83-98 percent. * 20-foot winds........ * Valleys/lwr slopes..Southeast winds 4 to 7 mph. * Ridges/upr slopes...South winds 5 to 8 mph. * Mixing height........600-1100 ft AGL. * Transport winds......South around 10 mph. .FRIDAY NIGHT... * Sky/weather..........Cloudy. Rain. * Chance of precip.....100%. * Min temperature......40-50. * Max humidity.........86-100 percent. * 20-foot winds........ * Valleys/lwr slopes..South winds 4 to 7 mph. * Ridges/upr slopes...South winds 5 to 8 mph. * Mixing height........600-700 ft AGL. * Transport winds......South around 10 mph. .SATURDAY... * Sky/weather..........Cloudy. Rain. * Chance of precip.....100%. * Max temperature......46-56. * Min humidity.........83-98 percent. * 20-foot winds........ * Valleys/lwr slopes..South winds 4 to 7 mph. * Ridges/upr slopes...South winds 5 to 8 mph. * Mixing height........600-1000 ft AGL. * Transport winds......South around 10 mph. .SUNDAY...Rain. Lows in the mid 40s. Highs 46 to 56. West winds 5 to 8 mph. .MONDAY...Showers. Lows around 40. Highs 43 to 53. West winds around 4 mph. .TUESDAY...Mostly cloudy with a chance of showers. Lows in the upper 30s. Highs in the mid 40s. East winds around 3 mph. .WEDNESDAY...Rain likely. Lows around 40. Highs 44 to 54. .THANKSGIVING DAY...Mostly cloudy with rain likely. Lows 38 to 48. Highs 45 to 55. .8 TO 14 day Outlook for Nov 28 - Dec 04, 2025 Below normal temperatures and near normal precipitation. $$ WAZ651-211200- Central Coastal Lowlands- 330 PM PST Thu Nov 20 2025 .Tonight... * Sky/weather..........Partly cloudy then becoming mostly cloudy. Slight chance of rain after midnight. * Chance of precip.....10% increasing to 30% after midnight. * Min temperature......34-44. * Max humidity.........93-100 percent. * 20-foot winds........ * Valleys/lwr slopes..Southeast winds 3 to 4 mph. * Ridges/upr slopes...East winds 3 to 4 mph. * Mixing height........400-500 ft AGL. * Transport winds......Southeast around 5 mph. .FRIDAY... * Sky/weather..........Mostly cloudy. Chance of rain. * Chance of precip.....45%. * Max temperature......43-53. * Min humidity.........85-96 percent. * 20-foot winds........ * Valleys/lwr slopes..South winds 3 to 5 mph. * Ridges/upr slopes...South winds 3 to 5 mph. * Mixing height........400-1000 ft AGL. * Transport winds......Southwest around 5 mph. .FRIDAY NIGHT... * Sky/weather..........Mostly cloudy. Rain likely. * Chance of precip.....70%. * Min temperature......39-49. * Max humidity.........98 percent. * 20-foot winds........ * Valleys/lwr slopes..South winds 3 to 5 mph. * Ridges/upr slopes...South winds 3 to 6 mph. * Mixing height........500-600 ft AGL. * Transport winds......Southwest around 5 mph. .SATURDAY... * Sky/weather..........Mostly cloudy. Rain likely. * Chance of precip.....70%. * Max temperature......45-55. * Min humidity.........88-99 percent. * 20-foot winds........ * Valleys/lwr slopes..South winds 3 to 6 mph. * Ridges/upr slopes...South winds 3 to 6 mph. * Mixing height........400-900 ft AGL. * Transport winds......Southwest around 5 mph. .SUNDAY...Rain. Lows in the mid 40s. Highs in the lower 50s. West winds 5 to 8 mph. .MONDAY...Showers. Lows in the upper 30s. Highs around 50 valleys... in the lower 40s ridges. West winds around 4 mph. .TUESDAY...Mostly cloudy with a chance of showers. Lows in the upper 30s. Highs in the upper 40s. East winds around 3 mph. .WEDNESDAY...Rain likely. Lows in the upper 30s. Highs in the lower 50s. .THANKSGIVING DAY...Mostly cloudy with rain likely. Lows in the lower 40s. Highs in the lower 50s. .8 TO 14 day Outlook for Nov 28 - Dec 04, 2025 Below normal temperatures and near normal precipitation. $$ WAZ652-211200- West Portion of the Olympic Mountains- 330 PM PST Thu Nov 20 2025 .Tonight... * Sky/weather..........Partly cloudy then becoming mostly cloudy. Chance of rain and snow after midnight. * Chance of precip.....10% increasing to 30% after midnight. * Min temperature......29-39. * Max humidity.........82-97 percent. * 20-foot winds........ * Valleys/lwr slopes..Downslope/downvalley 4 to 5 mph. * Ridges/upr slopes...Southeast winds 4 to 7 mph. * Snow level...........4500 feet. * Mixing height........300-400 ft AGL. * Transport winds......South 5 to 10 mph. .FRIDAY... * Sky/weather..........Mostly cloudy. Chance of rain. * Chance of precip.....50%. * Max temperature......38-48. * Min humidity.........80-95 percent. * 20-foot winds........ * Valleys/lwr slopes..Upslope/upvalley 4 to 5 mph. * Ridges/upr slopes...South winds 3 to 6 mph. * Snow level...........7500 feet. * Mixing height........300-500 ft AGL. * Transport winds......Southwest around 10 mph. .FRIDAY NIGHT... * Sky/weather..........Cloudy. Rain. * Chance of precip.....90%. * Min temperature......35-45. * Max humidity.........85-100 percent. * 20-foot winds........ * Valleys/lwr slopes..Downslope/downvalley around 5 mph. * Ridges/upr slopes...South winds 4 to 7 mph. * Snow level...........6500 feet. * Mixing height........300 ft AGL. * Transport winds......South around 5 mph. .SATURDAY... * Sky/weather..........Cloudy. Rain. * Chance of precip.....90%. * Max temperature......39-49. * Min humidity.........81-96 percent. * 20-foot winds........ * Valleys/lwr slopes..Southwest winds 5 to 8 mph. * Ridges/upr slopes...Southwest winds 5 to 8 mph. * Snow level...........6500 feet. * Mixing height........300-600 ft AGL. * Transport winds......South around 10 mph. .SUNDAY...Rain with snow likely. Snow level 5000 feet. Lows 36 to 46. Highs 39 to 49. West winds 6 to 9 mph. .MONDAY...showers. Snow level 2500 feet. Lows 30 to 40. Highs 35 to 45. West winds around 5 mph. .TUESDAY...Mostly cloudy with a chance of showers. Snow level 2500 feet. Lows 28 to 38. Highs 34 to 44. Southeast winds around 4 mph. .WEDNESDAY...Rain and snow likely. Snow level 4500 feet. Lows 30 to 40. Highs 37 to 47. .THANKSGIVING DAY...Mostly cloudy with rain likely and slight chance of snow. Snow level 4500 feet. Lows 34 to 44. Highs 39 to 49. .8 TO 14 day Outlook for Nov 28 - Dec 04, 2025 Below normal temperatures and near normal precipitation. $$ WAZ661-211200- East Portion of the Olympic Mountains- 330 PM PST Thu Nov 20 2025 .Tonight... * Sky/weather..........Partly cloudy. Slight chance of rain and snow after midnight. * Chance of precip.....10% increasing to 20% after midnight. * Min temperature......28-38. * Max humidity.........81-96 percent...except 76-91 percent ridges. * 20-foot winds........ * Valleys/lwr slopes..Downslope/downvalley 3 to 4 mph. * Ridges/upr slopes...Southwest winds 4 to 7 mph. * Snow level...........4000 feet. * Mixing height........400-500 ft AGL. * Transport winds......Southwest 5 to 10 mph. .FRIDAY... * Sky/weather..........Mostly cloudy. Chance of snow in the morning. Chance of rain through the day. * Chance of precip.....50%. * Max temperature......42-52...except 37-47 ridges. * Min humidity.........74-89 percent. * 20-foot winds........ * Valleys/lwr slopes..Upslope/upvalley around 5 mph. * Ridges/upr slopes...Southwest winds 4 to 7 mph. * Snow level...........7000 feet. * Mixing height........400-600 ft AGL. * Transport winds......Southwest around 10 mph. .FRIDAY NIGHT... * Sky/weather..........Mostly cloudy. Rain likely. * Chance of precip.....70%. * Min temperature......35-45. * Max humidity.........80-95 percent. * 20-foot winds........ * Valleys/lwr slopes..Downslope/downvalley around 5 mph. * Ridges/upr slopes...Southwest winds 5 to 8 mph. * Snow level...........6500 feet. * Mixing height........400 ft AGL. * Transport winds......Southwest around 10 mph. .SATURDAY... * Sky/weather..........Mostly cloudy. Rain likely. * Chance of precip.....70%. * Max temperature......40-50. * Min humidity.........78-93 percent. * 20-foot winds........ * Valleys/lwr slopes..Upslope/upvalley around 5 mph. * Ridges/upr slopes...Southwest winds 4 to 7 mph. * Snow level...........6500 feet. * Mixing height........400-800 ft AGL. * Transport winds......Southwest around 10 mph. .SUNDAY...Rain with snow likely. Snow level 5500 feet. Lows 35 to 45. Highs 38 to 48. West winds 6 to 9 mph. .MONDAY...Snow showers likely and showers. Snow level 2500 feet. Lows 27 to 37. Highs 34 to 44. West winds around 6 mph. .TUESDAY...Mostly cloudy with a chance of snow and showers. Snow level 2500 feet. Lows 26 to 36. Highs 37 to 47 valleys...30 to 40 ridges. South winds around 4 mph. .WEDNESDAY...Rain and snow likely. Snow level 4500 feet. Lows 29 to 39. Highs 36 to 46. .THANKSGIVING DAY...Mostly cloudy with a chance of rain and snow. Snow level 4500 feet. Lows 32 to 42. Highs 37 to 47. .8 TO 14 day Outlook for Nov 28 - Dec 04, 2025 Below normal temperatures and near normal precipitation. $$ WAZ653-211200- Strait of Juan De Fuca and Northwest Interior Lowlands- 330 PM PST Thu Nov 20 2025 .Tonight... * Sky/weather..........Partly cloudy then becoming mostly cloudy. Slight chance of rain after midnight. * Chance of precip.....0% increasing to 20% after midnight. * Min temperature......35-45. * Max humidity.........81-96 percent. * 20-foot winds........Southeast winds 4 to 7 mph. * Mixing height........500 ft AGL. * Transport winds......South 5 to 10 mph. .FRIDAY... * Sky/weather..........Mostly cloudy. Chance of rain. * Chance of precip.....50%. * Max temperature......46-56. * Min humidity.........75-90 percent. * 20-foot winds........Southeast winds 6 to 9 mph. * Mixing height........600-900 ft AGL. * Transport winds......South around 10 mph. .FRIDAY NIGHT... * Sky/weather..........Mostly cloudy. Chance of rain in the evening, then rain likely after midnight. * Chance of precip.....60%. * Min temperature......40-50. * Max humidity.........81-96 percent. * 20-foot winds........South winds 6 to 9 mph. * Mixing height........700 ft AGL. * Transport winds......South around 10 mph. .SATURDAY... * Sky/weather..........Mostly cloudy. Rain likely. * Chance of precip.....70%. * Max temperature......49-59. * Min humidity.........76-91 percent. * 20-foot winds........South winds 5 to 8 mph. * Mixing height........700-1100 ft AGL. * Transport winds......South around 10 mph. .SUNDAY...Rain. Lows 41 to 51. Highs in the lower 50s. Southwest winds 6 to 9 mph. .MONDAY...Showers likely. Lows 35 to 45. Highs 44 to 54. Southwest winds around 5 mph. .TUESDAY...Mostly cloudy with a chance of rain. Lows 33 to 43. Highs in the upper 40s. Southeast winds around 3 mph. .WEDNESDAY...Rain likely. Lows in the upper 30s. Highs in the upper 40s. .THANKSGIVING DAY...Mostly cloudy with a chance of rain. Lows in the lower 40s. Highs in the upper 40s. .8 TO 14 day Outlook for Nov 28 - Dec 04, 2025 Below normal temperatures and near normal precipitation. $$ WAZ654-211200- Central and South Puget Sound Lowlands- 330 PM PST Thu Nov 20 2025 .Tonight... * Sky/weather..........Partly cloudy. Patchy fog after midnight. * Chance of precip.....0%. * Min temperature......34-44. * Max humidity.........80-95 percent. * 20-foot winds........South winds 3 to 5 mph. * Mixing height........500-600 ft AGL. * Transport winds......South around 5 mph. .FRIDAY... * Sky/weather..........Partly sunny. Patchy fog in the morning. Slight chance of rain in the morning, then chance of rain in the afternoon. * Chance of precip.....30%. * Max temperature......44-54. * Min humidity.........77-92 percent. * 20-foot winds........South winds 4 to 7 mph. * Mixing height........500-1200 ft AGL. * Transport winds......Southwest around 10 mph. .FRIDAY NIGHT... * Sky/weather..........Mostly cloudy. Chance of rain. * Chance of precip.....50%. * Min temperature......39-49. * Max humidity.........83-98 percent. * 20-foot winds........South winds 5 to 8 mph. * Mixing height........500-700 ft AGL. * Transport winds......Southwest around 10 mph. .SATURDAY... * Sky/weather..........Mostly cloudy. Chance of rain. * Chance of precip.....50%. * Max temperature......47-57. * Min humidity.........79-94 percent. * 20-foot winds........South winds 5 to 8 mph. * Mixing height........500-1200 ft AGL. * Transport winds......Southwest around 10 mph. .SUNDAY...Rain. Lows in the mid 40s. Highs in the lower 50s. Southwest winds 6 to 9 mph. .MONDAY...Showers likely. Lows 34 to 44. Highs in the upper 40s. Southwest winds around 5 mph. .TUESDAY...Slight chance of showers in the evening. Patchy fog after midnight. Mostly cloudy with a chance of rain. Lows in the upper 30s. Highs in the upper 40s. Light winds. .WEDNESDAY...Rain likely. Lows in the upper 30s. Highs in the upper 40s. .THANKSGIVING DAY...Mostly cloudy with rain likely. Lows in the lower 40s. Highs around 50. .8 TO 14 day Outlook for Nov 28 - Dec 04, 2025 Below normal temperatures and near normal precipitation. $$ WAZ655-211200- Black Hills and Southwest Interior Lowlands- 330 PM PST Thu Nov 20 2025 .Tonight... * Sky/weather..........Partly cloudy. Patchy dense fog. * Chance of precip.....0%. * Min temperature......30-40. * Max humidity.........80-95 percent. * 20-foot winds........Southeast winds 3 to 4 mph. * Mixing height........600-700 ft AGL. * Transport winds......South around 5 mph. .FRIDAY... * Sky/weather..........Partly sunny. Patchy fog in the morning. Slight chance of rain through the day. * Chance of precip.....20%. * Max temperature......45-55. * Min humidity.........71-86 percent. * 20-foot winds........South winds 3 to 5 mph. * Mixing height........600-1200 ft AGL. * Transport winds......South around 5 mph. .FRIDAY NIGHT... * Sky/weather..........Mostly cloudy. Slight chance of rain. * Chance of precip.....20%. * Min temperature......36-46. * Max humidity.........81-96 percent. * 20-foot winds........South winds 3 to 5 mph. * Mixing height........600 ft AGL. * Transport winds......South around 5 mph. .SATURDAY... * Sky/weather..........Mostly cloudy. Slight chance of rain in the morning, then chance of rain in the afternoon. * Chance of precip.....35%. * Max temperature......47-57. * Min humidity.........75-90 percent. * 20-foot winds........South winds 3 to 5 mph. * Mixing height........600-1300 ft AGL. * Transport winds......South around 5 mph. .SUNDAY...Rain. Lows in the mid 40s. Highs in the lower 50s. Southwest winds 4 to 7 mph. .MONDAY...Showers likely. Lows in the upper 30s. Highs 44 to 54. Southwest winds around 4 mph. .TUESDAY...Slight chance of showers in the evening. Patchy fog. Mostly cloudy with a chance of rain. Lows in the mid 30s. Highs in the upper 40s. Light winds. .WEDNESDAY...Rain likely. Lows in the upper 30s. Highs around 50. .THANKSGIVING DAY...Mostly cloudy with a chance of rain. Lows in the lower 40s. Highs in the lower 50s. .8 TO 14 day Outlook for Nov 28 - Dec 04, 2025 Below normal temperatures and near normal precipitation. $$ WAZ656-211200- Northeast Puget Sound Lowlands Generally Below 1500 Feet- 330 PM PST Thu Nov 20 2025 .Tonight... * Sky/weather..........Partly cloudy. Slight chance of rain after midnight. * Chance of precip.....0% increasing to 20% after midnight. * Min temperature......32-42. * Max humidity.........80-95 percent. * 20-foot winds........Southeast winds 3 to 5 mph. * Mixing height........1000 ft AGL. * Transport winds......Southeast around 5 mph. .FRIDAY... * Sky/weather..........Partly sunny. Chance of rain. * Chance of precip.....50%. * Max temperature......41-51. * Min humidity.........74-89 percent. * 20-foot winds........Southeast winds 4 to 7 mph. * Mixing height........1000-1300 ft AGL. * Transport winds......Southeast around 5 mph. .FRIDAY NIGHT... * Sky/weather..........Mostly cloudy. Rain likely. * Chance of precip.....70%. * Min temperature......37-47. * Max humidity.........84-99 percent. * 20-foot winds........Southeast winds 4 to 7 mph. * Mixing height........1000-1100 ft AGL. * Transport winds......Southeast 5 to 10 mph. .SATURDAY... * Sky/weather..........Mostly cloudy. Rain likely. * Chance of precip.....70%. * Max temperature......44-54. * Min humidity.........80-95 percent. * 20-foot winds........Southeast winds 4 to 7 mph. * Mixing height........1000-1600 ft AGL. * Transport winds......South 5 to 10 mph. .SUNDAY...Rain. Lows in the mid 40s. Highs 46 to 56. Southwest winds 4 to 7 mph. .MONDAY...Showers. Lows in the upper 30s. Highs 41 to 51. South winds around 3 mph. .TUESDAY...Mostly cloudy with a chance of rain and snow. Lows in the mid 30s. Highs 41 to 51. East winds around 3 mph. .WEDNESDAY...Rain likely and slight chance of snow. Lows in the upper 30s. Highs 42 to 52. .THANKSGIVING DAY...Mostly cloudy with rain likely. Lows around 40. Highs 44 to 54. .8 TO 14 day Outlook for Nov 28 - Dec 04, 2025 Below normal temperatures and near normal precipitation. $$ WAZ657-211200- Southeast Puget Sound Lowlands Generally Below 1500 Feet- 330 PM PST Thu Nov 20 2025 .Tonight... * Sky/weather..........Partly cloudy. * Chance of precip.....0%. * Min temperature......33-43. * Max humidity.........83-98 percent. * 20-foot winds........Southeast winds 3 to 4 mph. * Mixing height........600-800 ft AGL. * Transport winds......Southeast around 5 mph. .FRIDAY... * Sky/weather..........Partly sunny. Slight chance of rain. * Chance of precip.....20%. * Max temperature......46-56. * Min humidity.........70-85 percent. * 20-foot winds........Light winds becoming south around 3 mph in the afternoon. * Mixing height........600-1400 ft AGL. * Transport winds......South around 5 mph. .FRIDAY NIGHT... * Sky/weather..........Mostly cloudy. Slight chance of rain in the evening, then chance of rain after midnight. * Chance of precip.....35%. * Min temperature......38-48. * Max humidity.........84-99 percent. * 20-foot winds........Southeast winds 3 to 5 mph. * Mixing height........600-700 ft AGL. * Transport winds......South around 5 mph. .SATURDAY... * Sky/weather..........Mostly cloudy. Chance of rain. * Chance of precip.....50%. * Max temperature......49-59. * Min humidity.........77-92 percent. * 20-foot winds........South winds 3 to 5 mph. * Mixing height........700-1700 ft AGL. * Transport winds......South around 5 mph. .SUNDAY...Rain. Lows in the mid 40s. Highs in the lower 50s. Southwest winds 3 to 6 mph. .MONDAY...Showers likely. Lows in the upper 30s. Highs in the upper 40s. Southwest winds around 4 mph. .TUESDAY...Slight chance of showers in the evening. Patchy fog. Mostly cloudy with a chance of rain. Lows 32 to 42. Highs in the upper 40s. Light winds. .WEDNESDAY...Rain likely. Lows in the upper 30s. Highs in the upper 40s. .THANKSGIVING DAY...Mostly cloudy with a chance of rain. Lows in the lower 40s. Highs in the lower 50s. .8 TO 14 day Outlook for Nov 28 - Dec 04, 2025 Below normal temperatures and near normal precipitation. $$ WAZ658-211200- West Slopes of the North Cascades Generally above 1500 Feet- 330 PM PST Thu Nov 20 2025 .Tonight... * Sky/weather..........Partly cloudy. Patchy dense fog after midnight. Slight chance of rain and snow after midnight. * Chance of precip.....0% increasing to 20% after midnight. * Min temperature......29-39...except 24-34 ridges. * Max humidity.........80-95 percent. * 20-foot winds........ * Valleys/lwr slopes..Downslope/downvalley around 3 mph. * Ridges/upr slopes...South winds 3 to 6 mph. * Snow level...........4000 feet. * Mixing height........600 ft AGL. * Transport winds......South 5 to 10 mph. .FRIDAY... * Sky/weather..........Partly sunny. Patchy dense fog in the morning. Chance of rain and snow through the day. * Chance of precip.....50%. * Max temperature......38-48...except 32-42 ridges. * Min humidity.........77-92 percent. * 20-foot winds........ * Valleys/lwr slopes..Upslope/upvalley around 3 mph. * Ridges/upr slopes...South winds 3 to 6 mph. * Snow level...........5000 feet. * Mixing height........600-800 ft AGL. * Transport winds......South around 10 mph. .FRIDAY NIGHT... * Sky/weather..........Mostly cloudy. Rain likely in the evening. Snow through the night. Rain after midnight. * Chance of precip.....90%. * Min temperature......31-41. * Max humidity.........82-97 percent. * 20-foot winds........ * Valleys/lwr slopes..Downslope/downvalley around 5 mph. * Ridges/upr slopes...South winds 4 to 7 mph. * Snow level...........6500 feet. * Mixing height........500-600 ft AGL. * Transport winds......South around 10 mph. .SATURDAY... * Sky/weather..........Mostly cloudy. Rain and snow. * Chance of precip.....90%. * Max temperature......41-51...except 35-45 ridges. * Min humidity.........79-94 percent. * 20-foot winds........ * Valleys/lwr slopes..Upslope/upvalley 4 to 5 mph. * Ridges/upr slopes...South winds 3 to 6 mph. * Snow level...........6000 feet. * Mixing height........500-800 ft AGL. * Transport winds......South around 10 mph. .SUNDAY...Rain and snow. Snow level 5000 feet. Lows 37 to 47 valleys...in the mid 30s ridges. Highs 40 to 50 valleys...33 to 43 ridges. Southwest winds 5 to 8 mph. .MONDAY...showers. Snow level 2500 feet. Lows 30 to 40 valleys... 23 to 33 ridges. Highs 34 to 44 valleys...26 to 36 ridges. West winds around 6 mph. .TUESDAY...Mostly cloudy with a chance of snow showers and rain. Snow level 2000 feet. Lows 26 to 36 valleys...19 to 29 ridges. Highs 35 to 45 valleys...27 to 37 ridges. Southeast winds around 3 mph. .WEDNESDAY THROUGH THANKSGIVING DAY...Snow and rain likely. Snow level 3250 feet. Lows 27 to 37. Highs 37 to 47 valleys...30 to 40 ridges. .8 TO 14 day Outlook for Nov 28 - Dec 04, 2025 Below normal temperatures and near normal precipitation. $$ WAZ659-211200- West Slopes of the Central Cascades Generally above 1500 Feet- 330 PM PST Thu Nov 20 2025 .Tonight... * Sky/weather..........Partly cloudy. Patchy dense fog after midnight. * Chance of precip.....0%. * Min temperature......29-39...except 24-34 ridges. * Max humidity.........80-95 percent...except 75-90 percent ridges. * 20-foot winds........ * Valleys/lwr slopes..Downslope/downvalley around 3 mph. * Ridges/upr slopes...Southeast winds 3 to 6 mph. * Snow level...........4000 feet. * Mixing height........500-700 ft AGL. * Transport winds......South around 5 mph. .FRIDAY... * Sky/weather..........Mostly sunny. Patchy dense fog in the morning. Slight chance of rain in the afternoon. * Chance of precip.....10%. * Max temperature......43-53...except 35-45 ridges. * Min humidity.........70-85 percent. * 20-foot winds........ * Valleys/lwr slopes..Upslope/upvalley 2 to 3 mph. * Ridges/upr slopes...Southwest winds around 3 mph in the morning becoming light. * Snow level...........5000 feet. * Mixing height........500-1000 ft AGL. * Transport winds......Southwest around 5 mph. .FRIDAY NIGHT... * Sky/weather..........Mostly cloudy. Chance of rain. * Chance of precip.....50%. * Min temperature......34-44...except 29-39 ridges. * Max humidity.........79-94 percent. * 20-foot winds........ * Valleys/lwr slopes..Downslope/downvalley around 3 mph. * Ridges/upr slopes...Southeast winds 3 to 6 mph. * Snow level...........7000 feet. * Mixing height........500 ft AGL. * Transport winds......South around 5 mph. .SATURDAY... * Sky/weather..........Partly sunny. Slight chance of rain in the morning, then chance of rain in the afternoon. * Chance of precip.....35%. * Max temperature......46-56...except 38-48 ridges. * Min humidity.........74-89 percent. * 20-foot winds........ * Valleys/lwr slopes..Upslope/upvalley 2 to 3 mph. * Ridges/upr slopes...South winds around 4 mph in the morning becoming light. * Snow level...........6500 feet. * Mixing height........500-1300 ft AGL. * Transport winds......South around 5 mph shifting to the southwest in the afternoon. .SUNDAY...Mostly cloudy with rain and snow. Snow level 5500 feet. Lows 34 to 44. Highs 41 to 51 valleys...in the upper 30s ridges. Southwest winds 4 to 7 mph. .MONDAY...showers. Snow level 3000 feet. Lows 28 to 38. Highs 36 to 46 valleys...in the lower 30s ridges. West winds around 6 mph. .TUESDAY...Mostly cloudy with a chance of snow showers and rain. Snow level 2500 feet. Lows 28 to 38 valleys...in the mid 20s ridges. Highs 37 to 47 valleys...in the mid 30s ridges. Southeast winds around 3 mph. .WEDNESDAY THROUGH THANKSGIVING DAY...Rain and snow likely. Snow level 4500 feet. Lows 31 to 41. Highs 40 to 50 valleys...33 to 43 ridges. .8 TO 14 day Outlook for Nov 28 - Dec 04, 2025 Below normal temperatures and near normal precipitation. $$ www.weather.gov/seattle