Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Seattle/Tacoma, WA
Issued by NWS Seattle/Tacoma, WA
894 FNUS56 KSEW 042331 FWFSEW Fire Weather Planning Forecast for Western Washington National Weather Service Seattle WA 330 PM PST Thu Dec 4 2025 .DISCUSSION... A very active pattern is underway through the next week with a series of systems bringing rounds of rain, higher elevation snow, and windy conditions through the end of the week and this weekend. A more significant atmospheric river event is on track to reach the area Monday and into early next week for widespread significant rainfall and hydrologic impacts. Coastal flooding due to higher astronomical tides will remain minor into early next week. Forecast for 20 foot wind speed (valleys and ridge tops) are 10 minute averages reflecting RAWS winds. WAZ649-051200- North and Central Coastal Strip- 330 PM PST Thu Dec 4 2025 .Tonight... * Sky/weather..........Cloudy. Rain likely in the evening, then rain after midnight. * Chance of precip.....85%. * Min temperature......43-53. * Max humidity.........98 percent. * 20-foot winds........ * Valleys/lwr slopes..Southwest winds 3 to 6 mph. * Ridges/upr slopes...South winds around 5 mph increasing to around 8 mph after midnight. * Mixing height........400 ft AGL. * Transport winds......Southwest 5 to 10 mph. .FRIDAY... * Sky/weather..........Cloudy. Rain. * Chance of precip.....85%. * Max temperature......48-58. * Min humidity.........88-99 percent. * 20-foot winds........ * Valleys/lwr slopes..West winds 10 to 13 mph with gusts to around 30 mph. * Ridges/upr slopes...West winds 10 to 16 mph. Gusts up to 30 mph increasing to 40 mph in the afternoon. * Mixing height........500-1100 ft AGL. * Transport winds......West 15 to 20 mph. .FRIDAY NIGHT... * Sky/weather..........Cloudy. Rain showers and slight chance of thunderstorms in the evening, then rain after midnight. * Chance of precip.....100%. * Min temperature......42-52. * Max humidity.........88-99 percent. * 20-foot winds........ * Valleys/lwr slopes..West winds 13 to 16 mph with gusts to around 35 mph. * Ridges/upr slopes...West winds 14 to 18 mph with gusts to around 45 mph. * Mixing height........1300 ft AGL. * Transport winds......West around 20 mph. .SATURDAY... * Sky/weather..........Cloudy. Rain. * Chance of precip.....100%. * Max temperature......46-56. * Min humidity.........84-99 percent. * 20-foot winds........ * Valleys/lwr slopes..West winds 8 to 11 mph. Gusts up to 25 mph in the morning. * Ridges/upr slopes...West winds 9 to 12 mph with gusts to around 30 mph. * Mixing height........900-1800 ft AGL. * Transport winds......West around 15 mph. .SUNDAY THROUGH TUESDAY...Rain. Lows in the upper 40s. Highs in the mid 50s. Southwest winds 7 to 12 mph. .WEDNESDAY...Rain. Lows in the upper 40s. Highs in the lower 50s. .THURSDAY...Rain. Lows in the mid 40s. Highs in the lower 50s. .8 TO 14 day Outlook for Dec 12 - 18 2025 Above normal temperatures and above normal precipitation. $$ WAZ650-051200- North Coastal Lowlands- 330 PM PST Thu Dec 4 2025 .Tonight... * Sky/weather..........Cloudy. Rain likely in the evening, then rain after midnight. * Chance of precip.....85%. * Min temperature......40-50. * Max humidity.........87-100 percent. * 20-foot winds........ * Valleys/lwr slopes..Light winds becoming south around 4 mph after midnight. * Ridges/upr slopes...South winds 3 to 6 mph. * Mixing height........600 ft AGL. * Transport winds......South around 5 mph. .FRIDAY... * Sky/weather..........Cloudy. Rain in the morning, then rain likely in the afternoon. * Chance of precip.....85%. * Max temperature......45-55. * Min humidity.........85-100 percent. * 20-foot winds........ * Valleys/lwr slopes..West winds 8 to 11 mph with gusts to around 35 mph. * Ridges/upr slopes...West winds 8 to 14 mph. Gusts up to 30 mph increasing to 40 mph in the afternoon. * Mixing height........600-1300 ft AGL. * Transport winds......Southwest around 10 mph increasing to west around 20 mph in the afternoon. .FRIDAY NIGHT... * Sky/weather..........Cloudy. Rain showers and slight chance of thunderstorms in the evening, then rain after midnight. * Chance of precip.....100%. * Min temperature......38-48. * Max humidity.........85-100 percent. * 20-foot winds........ * Valleys/lwr slopes..West winds 12 to 15 mph with gusts to around 40 mph. * Ridges/upr slopes...West winds 12 to 15 mph with gusts to around 40 mph. * Mixing height........1200-1300 ft AGL. * Transport winds......West around 20 mph. .SATURDAY... * Sky/weather..........Cloudy. Rain. * Chance of precip.....100%. * Max temperature......42-52. * Min humidity.........83-98 percent...except 88-100 percent ridges. * 20-foot winds........ * Valleys/lwr slopes..West winds 7 to 10 mph with gusts to around 30 mph. * Ridges/upr slopes...West winds 7 to 10 mph with gusts to around 30 mph. * Mixing height........900-1800 ft AGL. * Transport winds......West around 15 mph. .SUNDAY THROUGH MONDAY...Rain. Lows in the mid 40s. Highs 47 to 57. Southwest winds 6 to 10 mph. .TUESDAY...Rain. Lows in the mid 40s. Highs 46 to 56. Southwest winds around 8 mph. .WEDNESDAY...Rain. Lows in the mid 40s. Highs 46 to 56. .THURSDAY...Rain. Lows in the mid 40s. Highs 45 to 55. .8 TO 14 day Outlook for Dec 12 - 18 2025 Above normal temperatures and above normal precipitation. $$ WAZ651-051200- Central Coastal Lowlands- 330 PM PST Thu Dec 4 2025 .Tonight... * Sky/weather..........Mostly cloudy. Rain. * Chance of precip.....95%. * Min temperature......38-48. * Max humidity.........98 percent. * 20-foot winds........ * Valleys/lwr slopes..Southwest winds 3 to 5 mph. * Ridges/upr slopes...Southwest winds 3 to 5 mph. * Mixing height........400-500 ft AGL. * Transport winds......West around 5 mph. .FRIDAY... * Sky/weather..........Cloudy. Rain. * Chance of precip.....85%. * Max temperature......45-55. * Min humidity.........92-98 percent. * 20-foot winds........ * Valleys/lwr slopes..West winds 9 to 13 mph with gusts to around 30 mph. * Ridges/upr slopes...West winds 9 to 14 mph with gusts to around 30 mph. * Mixing height........500-1200 ft AGL. * Transport winds......West 15 to 20 mph. .FRIDAY NIGHT... * Sky/weather..........Cloudy. Rain. * Chance of precip.....100%. * Min temperature......37-47. * Max humidity.........93-100 percent. * 20-foot winds........ * Valleys/lwr slopes..West winds 13 to 16 mph with gusts to around 35 mph. * Ridges/upr slopes...West winds 13 to 16 mph with gusts to around 35 mph. * Mixing height........800-1100 ft AGL. * Transport winds......West around 20 mph. .SATURDAY... * Sky/weather..........Cloudy. Rain. * Chance of precip.....95%. * Max temperature......41-51. * Min humidity.........88-100 percent. * 20-foot winds........ * Valleys/lwr slopes..West winds 7 to 10 mph. Gusts up to 25 mph in the morning. * Ridges/upr slopes...West winds 7 to 10 mph. Gusts up to 25 mph in the morning. * Mixing height........700-1700 ft AGL. * Transport winds......West around 15 mph. .SUNDAY THROUGH TUESDAY...Rain. Lows in the mid 40s. Highs in the mid 50s. Southwest winds 6 to 12 mph. .WEDNESDAY...Rain. Lows in the mid 40s. Highs in the lower 50s. .THURSDAY...Rain. Lows in the mid 40s. Highs in the lower 50s. .8 TO 14 day Outlook for Dec 12 - 18 2025 Above normal temperatures and above normal precipitation. $$ WAZ652-051200- West Portion of the Olympic Mountains- 330 PM PST Thu Dec 4 2025 .Tonight... * Sky/weather..........Cloudy. Rain likely. * Chance of precip.....70%. * Min temperature......34-44. * Max humidity.........85-100 percent. * 20-foot winds........ * Valleys/lwr slopes..Downslope/downvalley 3 to 4 mph. * Ridges/upr slopes...Southwest winds 3 to 6 mph. * Snow level...........8000 feet. * Mixing height........300 ft AGL. * Transport winds......Southwest around 5 mph. .FRIDAY... * Sky/weather..........Cloudy. Rain. * Chance of precip.....90%. * Max temperature......39-49. * Min humidity.........85-100 percent. * 20-foot winds........ * Valleys/lwr slopes..West winds 10 to 14 mph with gusts to around 35 mph. * Ridges/upr slopes...West winds 10 to 14 mph with gusts to around 35 mph. * Snow level...........6500 feet. * Mixing height........400-900 ft AGL. * Transport winds......West 15 to 20 mph. .FRIDAY NIGHT... * Sky/weather..........Cloudy. Rain and snow. * Chance of precip.....100%. * Min temperature......31-41. * Max humidity.........85-100 percent. * 20-foot winds........ * Valleys/lwr slopes..West winds 13 to 17 mph with gusts to around 40 mph. * Ridges/upr slopes...West winds 13 to 17 mph with gusts to around 40 mph. * Snow level...........4000 feet. * Mixing height........1100-1200 ft AGL. * Transport winds......West 20 to 25 mph. .SATURDAY... * Sky/weather..........Cloudy. Rain and snow. * Chance of precip.....100%. * Max temperature......34-44. * Min humidity.........80-95 percent. * 20-foot winds........ * Valleys/lwr slopes..West winds 7 to 11 mph. Gusts up to 30 mph in the morning. * Ridges/upr slopes...West winds 7 to 11 mph with gusts to around 30 mph. * Snow level...........4000 feet. * Mixing height........1000-1200 ft AGL. * Transport winds......West around 15 mph. .SUNDAY THROUGH TUESDAY...Rain and snow. Snow level 5500 feet. Lows 35 to 45. Highs 41 to 51. Southwest winds 7 to 12 mph. .WEDNESDAY...Rain and snow. Snow level 6000 feet. Lows 36 to 46. Highs 39 to 49. .THURSDAY...Rain and snow. Snow level 4500 feet. Lows 35 to 45. Highs 38 to 48. .8 TO 14 day Outlook for Dec 12 - 18 2025 Above normal temperatures and above normal precipitation. $$ WAZ661-051200- East Portion of the Olympic Mountains- 330 PM PST Thu Dec 4 2025 .Tonight... * Sky/weather..........Mostly cloudy. Rain likely in the evening, then rain after midnight. * Chance of precip.....85%. * Min temperature......34-44. * Max humidity.........83-98 percent. * 20-foot winds........ * Valleys/lwr slopes..Downslope/downvalley 3 to 4 mph. * Ridges/upr slopes...Southwest winds 3 to 6 mph. * Snow level...........7500 feet. * Mixing height........400 ft AGL. * Transport winds......West 5 to 10 mph. .FRIDAY... * Sky/weather..........Partly sunny. Rain in the morning, then chance of rain in the afternoon. * Chance of precip.....75%. * Max temperature......44-54...except 38-48 ridges. * Min humidity.........82-97 percent...except 76-91 percent ridges. * 20-foot winds........ * Valleys/lwr slopes..West winds 11 to 15 mph. Gusts up to 30 mph increasing to 40 mph in the afternoon. * Ridges/upr slopes...West winds 11 to 16 mph. Gusts up to 30 mph increasing to 40 mph in the afternoon. * Snow level...........6500 feet. * Mixing height........500-1100 ft AGL. * Transport winds......West around 15 mph increasing to around 25 mph in the afternoon. .FRIDAY NIGHT... * Sky/weather..........Mostly cloudy. Rain and snow. * Chance of precip.....100%. * Min temperature......31-41. * Max humidity.........80-95 percent. * 20-foot winds........ * Valleys/lwr slopes..West winds 13 to 17 mph with gusts to around 40 mph. * Ridges/upr slopes...West winds 13 to 17 mph with gusts to around 45 mph. * Snow level...........4000 feet. * Mixing height........1000-1200 ft AGL. * Transport winds......West 20 to 25 mph. .SATURDAY... * Sky/weather..........Mostly cloudy. Rain and snow. * Chance of precip.....95%. * Max temperature......39-49...except 34-44 ridges. * Min humidity.........80-95 percent...except 75-90 percent ridges. * 20-foot winds........ * Valleys/lwr slopes..Southwest winds 8 to 12 mph with gusts to around 30 mph. * Ridges/upr slopes...Southwest winds 8 to 12 mph with gusts to around 30 mph. * Snow level...........4000 feet. * Mixing height........900-1600 ft AGL. * Transport winds......West around 15 mph. .SUNDAY...Rain and snow. Snow level 5000 feet. Lows 31 to 41. Highs 42 to 52 valleys...35 to 45 ridges. Southwest winds 8 to 12 mph. .MONDAY...Rain with snow likely. Snow level 5000 feet. Lows 32 to 42. Highs 44 to 54 valleys...37 to 47 ridges. Southwest winds around 9 mph. .TUESDAY...Rain and snow. Snow level 6000 feet. Lows 34 to 44. Highs 38 to 48. Southwest winds around 11 mph. .WEDNESDAY...Rain and snow. Snow level 6000 feet. Lows 34 to 44. Highs 42 to 52 valleys...35 to 45 ridges. .THURSDAY...Rain and snow. Snow level 5000 feet. Lows 33 to 43. Highs 41 to 51 valleys...34 to 44 ridges. .8 TO 14 day Outlook for Dec 12 - 18 2025 Above normal temperatures and above normal precipitation. $$ WAZ653-051200- Strait of Juan De Fuca and Northwest Interior Lowlands- 330 PM PST Thu Dec 4 2025 .Tonight... * Sky/weather..........Cloudy. Chance of rain in the evening, then rain after midnight. * Chance of precip.....75%. * Min temperature......38-48. * Max humidity.........85-100 percent. * 20-foot winds........Southeast winds 3 to 5 mph. * Mixing height........600-700 ft AGL. * Transport winds......Southeast around 5 mph. .FRIDAY... * Sky/weather..........Partly sunny. Rain. * Chance of precip.....90%. * Max temperature......47-57. * Min humidity.........81-96 percent. * 20-foot winds........Southwest winds 7 to 10 mph. Gusts up to 30 mph in the afternoon. * Mixing height........600-1000 ft AGL. * Transport winds......South around 10 mph shifting to the west in the afternoon. .FRIDAY NIGHT... * Sky/weather..........Mostly cloudy. Rain. * Chance of precip.....100%. * Min temperature......38-48. * Max humidity.........83-98 percent. * 20-foot winds........Southwest winds 10 to 13 mph with gusts to around 30 mph. * Mixing height........1000-1200 ft AGL. * Transport winds......West around 20 mph. .SATURDAY... * Sky/weather..........Mostly cloudy. Rain. * Chance of precip.....100%. * Max temperature......44-54. * Min humidity.........80-95 percent. * 20-foot winds........Southwest winds 7 to 10 mph. Gusts up to 30 mph in the morning. * Mixing height........1100-1700 ft AGL. * Transport winds......Southwest 10 to 15 mph. .SUNDAY THROUGH TUESDAY...Rain. Lows 39 to 49. Highs in the lower 50s. South winds 7 to 11 mph. .WEDNESDAY...Rain. Lows 39 to 49. Highs in the lower 50s. .THURSDAY...Rain likely. Lows in the lower 40s. Highs in the lower 50s. .8 TO 14 day Outlook for Dec 12 - 18 2025 Above normal temperatures and above normal precipitation. $$ WAZ654-051200- Central and South Puget Sound Lowlands- 330 PM PST Thu Dec 4 2025 .Tonight... * Sky/weather..........Mostly cloudy. Chance of rain in the evening, then rain after midnight. * Chance of precip.....75%. * Min temperature......37-47. * Max humidity.........85-100 percent. * 20-foot winds........South winds 3 to 5 mph. * Mixing height........500-700 ft AGL. * Transport winds......South around 5 mph. .FRIDAY... * Sky/weather..........Partly sunny. Rain likely in the morning, then rain in the afternoon. * Chance of precip.....70%. * Max temperature......48-58. * Min humidity.........79-94 percent. * 20-foot winds........Southwest winds 10 to 13 mph with gusts to around 30 mph. * Mixing height........600-1400 ft AGL. * Transport winds......Southwest 15 to 20 mph. .FRIDAY NIGHT... * Sky/weather..........Cloudy. Rain. * Chance of precip.....95%. * Min temperature......38-48. * Max humidity.........82-97 percent. * 20-foot winds........Southwest winds 12 to 15 mph with gusts to around 30 mph. * Mixing height........1000-1400 ft AGL. * Transport winds......Southwest 15 to 20 mph. .SATURDAY... * Sky/weather..........Cloudy. Rain. * Chance of precip.....95%. * Max temperature......44-54. * Min humidity.........78-93 percent. * 20-foot winds........Southwest winds 9 to 12 mph. * Mixing height........1100-2100 ft AGL. * Transport winds......Southwest around 15 mph. .SUNDAY THROUGH TUESDAY...Rain. Lows 40 to 50. Highs in the mid 50s. Southwest winds 7 to 12 mph. .WEDNESDAY...Rain. Lows in the mid 40s. Highs in the lower 50s. .THURSDAY...Rain likely. Lows in the mid 40s. Highs in the lower 50s. .8 TO 14 day Outlook for Dec 12 - 18 2025 Above normal temperatures and above normal precipitation. $$ WAZ655-051200- Black Hills and Southwest Interior Lowlands- 330 PM PST Thu Dec 4 2025 .Tonight... * Sky/weather..........Mostly cloudy. Rain. * Chance of precip.....100%. * Min temperature......36-46. * Max humidity.........88-100 percent. * 20-foot winds........South winds 3 to 6 mph. * Mixing height........600-700 ft AGL. * Transport winds......Southwest around 10 mph. .FRIDAY... * Sky/weather..........Mostly cloudy. Rain. * Chance of precip.....100%. * Max temperature......46-56. * Min humidity.........82-97 percent. * 20-foot winds........Southwest winds 9 to 12 mph with gusts to around 30 mph. * Mixing height........700-1500 ft AGL. * Transport winds......Southwest 15 to 20 mph. .FRIDAY NIGHT... * Sky/weather..........Cloudy. Rain. * Chance of precip.....100%. * Min temperature......37-47. * Max humidity.........85-100 percent. * 20-foot winds........Southwest winds 12 to 15 mph with gusts to around 35 mph. * Mixing height........1000-1400 ft AGL. * Transport winds......West 15 to 20 mph. .SATURDAY... * Sky/weather..........Cloudy. Rain. * Chance of precip.....100%. * Max temperature......43-53. * Min humidity.........82-97 percent. * 20-foot winds........Southwest winds 6 to 9 mph. Gusts up to 25 mph in the morning. * Mixing height........1000-2000 ft AGL. * Transport winds......West around 15 mph. .SUNDAY THROUGH TUESDAY...Rain. Lows in the mid 40s. Highs in the mid 50s. Southwest winds 5 to 10 mph. .WEDNESDAY...Rain. Lows in the mid 40s. Highs in the lower 50s. .THURSDAY...Rain likely. Lows in the mid 40s. Highs in the lower 50s. .8 TO 14 day Outlook for Dec 12 - 18 2025 Above normal temperatures and above normal precipitation. $$ WAZ656-051200- Northeast Puget Sound Lowlands Generally Below 1500 Feet- 330 PM PST Thu Dec 4 2025 .Tonight... * Sky/weather..........Mostly cloudy. Chance of rain in the evening, then rain after midnight. * Chance of precip.....75%. * Min temperature......34-44. * Max humidity.........85-100 percent. * 20-foot winds........Light winds becoming southeast around 3 mph after midnight. * Mixing height........1000 ft AGL. * Transport winds......Southeast around 5 mph. .FRIDAY... * Sky/weather..........Mostly cloudy. Rain. * Chance of precip.....100%. * Max temperature......42-52. * Min humidity.........82-97 percent. * 20-foot winds........South winds around 5 mph shifting to the southwest around 7 mph with gusts to around 25 mph in the afternoon. * Mixing height........1000-1400 ft AGL. * Transport winds......South around 10 mph shifting to the southwest in the afternoon. .FRIDAY NIGHT... * Sky/weather..........Cloudy. Rain. * Chance of precip.....100%. * Min temperature......34-44. * Max humidity.........84-99 percent. * 20-foot winds........Southwest winds 7 to 10 mph with gusts to around 25 mph. * Mixing height........1500-1600 ft AGL. * Transport winds......Southwest around 15 mph. .SATURDAY... * Sky/weather..........Cloudy. Rain. * Chance of precip.....100%. * Max temperature......39-49. * Min humidity.........81-96 percent. * 20-foot winds........Southwest winds 5 to 8 mph. Gusts up to 25 mph in the morning. * Mixing height........1600-2100 ft AGL. * Transport winds......Southwest 10 to 15 mph. .SUNDAY THROUGH TUESDAY...Rain. Lows 38 to 48. Highs 46 to 56. South winds 5 to 8 mph. .WEDNESDAY...Rain. Lows in the lower 40s. Highs 45 to 55. .THURSDAY...Rain. Lows in the lower 40s. Highs 45 to 55. .8 TO 14 day Outlook for Dec 12 - 18 2025 Above normal temperatures and above normal precipitation. $$ WAZ657-051200- Southeast Puget Sound Lowlands Generally Below 1500 Feet- 330 PM PST Thu Dec 4 2025 .Tonight... * Sky/weather..........Cloudy. Rain. * Chance of precip.....100%. * Min temperature......38-48. * Max humidity.........94-100 percent. * 20-foot winds........Light winds becoming south around 4 mph after midnight. * Mixing height........700 ft AGL. * Transport winds......South 5 to 10 mph. .FRIDAY... * Sky/weather..........Mostly cloudy. Rain. * Chance of precip.....95%. * Max temperature......46-56. * Min humidity.........85-100 percent. * 20-foot winds........Southwest winds 8 to 11 mph with gusts to around 30 mph. * Mixing height........800-1500 ft AGL. * Transport winds......Southwest 15 to 20 mph. .FRIDAY NIGHT... * Sky/weather..........Cloudy. Rain. * Chance of precip.....100%. * Min temperature......39-49. * Max humidity.........88-100 percent. * 20-foot winds........Southwest winds 10 to 13 mph with gusts to around 30 mph. * Mixing height........1500-1700 ft AGL. * Transport winds......Southwest around 20 mph. .SATURDAY... * Sky/weather..........Cloudy. Rain. * Chance of precip.....100%. * Max temperature......42-52. * Min humidity.........83-98 percent. * 20-foot winds........Southwest winds 7 to 10 mph. Gusts up to 25 mph in the morning. * Mixing height........1400-2400 ft AGL. * Transport winds......Southwest 15 to 20 mph. .SUNDAY THROUGH TUESDAY...Rain. Lows in the mid 40s. Highs in the mid 50s. South winds 5 to 9 mph. .WEDNESDAY...Rain. Lows in the mid 40s. Highs in the lower 50s. .THURSDAY...Rain. Lows in the mid 40s. Highs in the lower 50s. .8 TO 14 day Outlook for Dec 12 - 18 2025 Above normal temperatures and above normal precipitation. $$ WAZ658-051200- West Slopes of the North Cascades Generally above 1500 Feet- 330 PM PST Thu Dec 4 2025 .Tonight... * Sky/weather..........Mostly cloudy. Chance of rain in the evening. Chance of snow through the night. Rain likely after midnight. * Chance of precip.....60%. * Min temperature......32-42...except 27-37 ridges. * Max humidity.........83-98 percent. * 20-foot winds........ * Valleys/lwr slopes..Downslope/downvalley 2 to 3 mph. * Ridges/upr slopes...Southwest winds 3 to 6 mph. * Snow level...........5000 feet. * Mixing height........500-600 ft AGL. * Transport winds......Southwest around 5 mph. .FRIDAY... * Sky/weather..........Mostly cloudy. Rain and snow. * Chance of precip.....100%. * Max temperature......38-48...except 32-42 ridges. * Min humidity.........79-94 percent. * 20-foot winds........ * Valleys/lwr slopes..Southwest winds 6 to 10 mph. Gusts up to 25 mph in the afternoon. * Ridges/upr slopes...Southwest winds 6 to 11 mph. Gusts up to 30 mph in the afternoon. * Snow level...........6000 feet. * Mixing height........600-800 ft AGL. * Transport winds......Southwest around 10 mph increasing to west around 20 mph in the afternoon. .FRIDAY NIGHT... * Sky/weather..........Cloudy. Rain and snow. * Chance of precip.....100%. * Min temperature......32-42...except 26-36 ridges. * Max humidity.........80-95 percent. * 20-foot winds........ * Valleys/lwr slopes..Southwest winds 8 to 12 mph with gusts to around 25 mph. * Ridges/upr slopes...Southwest winds 8 to 13 mph with gusts to around 30 mph. * Snow level...........4000 feet. * Mixing height........1000-1100 ft AGL. * Transport winds......West around 20 mph. .SATURDAY... * Sky/weather..........Cloudy. Snow and rain. * Chance of precip.....100%. * Max temperature......35-45...except 30-40 ridges. * Min humidity.........77-92 percent. * 20-foot winds........ * Valleys/lwr slopes..Southwest winds 6 to 11 mph. Gusts up to 25 mph in the morning. * Ridges/upr slopes...Southwest winds 6 to 11 mph with gusts to around 30 mph. * Snow level...........4000 feet. * Mixing height........1000-1200 ft AGL. * Transport winds......West 15 to 20 mph. .SUNDAY THROUGH TUESDAY...Rain and snow. Snow level 4500 feet. Lows 30 to 40. Highs 39 to 49 valleys...32 to 42 ridges. Southwest winds 6 to 9 mph. .WEDNESDAY...Rain and snow. Snow level 5000 feet. Lows 30 to 40. Highs 39 to 49 valleys...31 to 41 ridges. .THURSDAY...Snow and rain. Snow level 4000 feet. Lows 30 to 40. Highs 38 to 48 valleys...31 to 41 ridges. .8 TO 14 day Outlook for Dec 12 - 18 2025 Above normal temperatures and above normal precipitation. $$ WAZ659-051200- West Slopes of the Central Cascades Generally above 1500 Feet- 330 PM PST Thu Dec 4 2025 .Tonight... * Sky/weather..........Cloudy. Rain. * Chance of precip.....100%. * Min temperature......34-44...except 29-39 ridges. * Max humidity.........87-100 percent. * 20-foot winds........ * Valleys/lwr slopes..Downslope/downvalley 3 to 4 mph. * Ridges/upr slopes...Southwest winds 4 to 7 mph. * Snow level...........7000 feet. * Mixing height........600 ft AGL. * Transport winds......Southwest around 10 mph. .FRIDAY... * Sky/weather..........Mostly cloudy. Rain. * Chance of precip.....100%. * Max temperature......42-52...except 34-44 ridges. * Min humidity.........78-93 percent. * 20-foot winds........ * Valleys/lwr slopes..Southwest winds 8 to 14 mph with gusts to around 35 mph. * Ridges/upr slopes...Southwest winds 8 to 14 mph. Gusts up to 30 mph increasing to 40 mph in the afternoon. * Snow level...........7500 feet. * Mixing height........600-1000 ft AGL. * Transport winds......Southwest 15 to 20 mph. .FRIDAY NIGHT... * Sky/weather..........Cloudy. Rain and snow. * Chance of precip.....100%. * Min temperature......35-45...except 27-37 ridges. * Max humidity.........85-100 percent. * 20-foot winds........ * Valleys/lwr slopes..Southwest winds 12 to 16 mph with gusts to around 35 mph. * Ridges/upr slopes...Southwest winds 12 to 18 mph with gusts to around 40 mph. * Snow level...........4500 feet. * Mixing height........1500 ft AGL. * Transport winds......West around 25 mph. .SATURDAY... * Sky/weather..........Cloudy. Rain and snow. * Chance of precip.....100%. * Max temperature......37-47...except 30-40 ridges. * Min humidity.........83-98 percent...except 78-93 percent ridges. * 20-foot winds........ * Valleys/lwr slopes..Southwest winds 8 to 13 mph with gusts to around 30 mph. * Ridges/upr slopes...Southwest winds 8 to 13 mph. Gusts up to 40 mph decreasing to 30 mph in the afternoon. * Snow level...........4000 feet. * Mixing height........1200-1600 ft AGL. * Transport winds......West around 20 mph. .SUNDAY THROUGH TUESDAY...Rain and snow. Snow level 5750 feet. Lows 34 to 44. Highs 43 to 53 valleys...around 40 ridges. Southwest winds 6 to 9 mph. .WEDNESDAY...Rain and snow. Snow level 6500 feet. Lows 35 to 45. Highs 43 to 53 valleys...35 to 45 ridges. .THURSDAY...Rain and snow. Snow level 5000 feet. Lows 37 to 47 valleys...in the mid 30s ridges. Highs 42 to 52 valleys...in the upper 30s ridges. .8 TO 14 day Outlook for Dec 12 - 18 2025 Above normal temperatures and above normal precipitation. $$ www.weather.gov/seattle