Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Seattle/Tacoma, WA
Issued by NWS Seattle/Tacoma, WA
750 FNUS56 KSEW 052331 FWFSEW Fire Weather Planning Forecast for Western Washington National Weather Service Seattle WA 330 PM PST Fri Dec 5 2025 ...WIND ADVISORY IN EFFECT UNTIL 7 AM PST SATURDAY... .DISCUSSION... The weather pattern has transitioned into an active phase as a series of system bring rain, high elevation snow and wind into the region through the end of the weekend. A strong atmospheric river is still on track to region the area by Monday and last into at least the midweek time frame. This system will bring very significant rainfall and likely 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. WAZ649-061200- North and Central Coastal Strip- 330 PM PST Fri Dec 5 2025 .Tonight... * Sky/weather..........Mostly cloudy. Rain showers and slight chance of thunderstorms in the evening, then chance of rain after midnight. * Chance of precip.....75%. * Min temperature......42-52. * Max humidity.........88-100 percent. * 20-foot winds........ * Valleys/lwr slopes..West winds 14 to 17 mph with gusts to around 40 mph. * Ridges/upr slopes...West winds 14 to 19 mph with gusts to around 45 mph. * Mixing height........600-800 ft AGL. * Transport winds......West 25 to 30 mph. .SATURDAY... * Sky/weather..........Mostly cloudy. Rain in the morning, then rain likely in the afternoon. * Chance of precip.....85%. * Max temperature......46-56. * Min humidity.........83-96 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 8 to 11 mph with gusts to around 35 mph. * Mixing height........800-1800 ft AGL. * Transport winds......West 15 to 20 mph. .SATURDAY NIGHT... * Sky/weather..........Mostly cloudy. Rain. * Chance of precip.....95%. * Min temperature......41-51. * Max humidity.........93-100 percent. * 20-foot winds........ * Valleys/lwr slopes..South winds 6 to 9 mph. Gusts up to 25 mph after midnight. * Ridges/upr slopes...South winds 6 to 11 mph. Gusts up to 25 mph after midnight. * Mixing height........700-1000 ft AGL. * Transport winds......Southwest around 10 mph shifting to the south after midnight. .SUNDAY... * Sky/weather..........Cloudy. Rain. * Chance of precip.....100%. * Max temperature......47-57. * Min humidity.........90-100 percent. * 20-foot winds........ * Valleys/lwr slopes..Southwest winds 8 to 11 mph. Gusts up to 25 mph in the morning. * Ridges/upr slopes...Southwest winds 9 to 12 mph with gusts to around 30 mph. * Mixing height........800-1000 ft AGL. * Transport winds......Southwest around 15 mph. .MONDAY THROUGH WEDNESDAY...Rain. Lows in the upper 40s. Highs in the mid 50s. Southwest winds 6 to 15 mph. .THURSDAY THROUGH FRIDAY...Rain. Lows in the mid 40s. Highs in the lower 50s. .8 TO 14 day Outlook for Dec 13 - 19 2025 Above normal temperatures and above normal precipitation. $$ WAZ650-061200- North Coastal Lowlands- 330 PM PST Fri Dec 5 2025 .Tonight... * Sky/weather..........Mostly cloudy. Rain showers and slight chance of thunderstorms in the evening, then rain likely after midnight. * Chance of precip.....85%. * Min temperature......38-48. * Max humidity.........87-100 percent. * 20-foot winds........ * Valleys/lwr slopes..West winds 12 to 15 mph with gusts to around 45 mph. * Ridges/upr slopes...West winds 12 to 15 mph with gusts to around 45 mph. * Mixing height........700-900 ft AGL. * Transport winds......West 20 to 25 mph. .SATURDAY... * Sky/weather..........Mostly cloudy. Rain showers and slight chance of thunderstorms in the morning, then chance of rain in the afternoon. * Chance of precip.....75%. * Max temperature......41-51. * Min humidity.........85-100 percent. * 20-foot winds........ * Valleys/lwr slopes..West winds 6 to 9 mph with gusts to around 30 mph. * Ridges/upr slopes...West winds 6 to 9 mph with gusts to around 35 mph. * Mixing height........900-1900 ft AGL. * Transport winds......West around 15 mph. .SATURDAY NIGHT... * Sky/weather..........Mostly cloudy. Rain. * Chance of precip.....95%. * Min temperature......38-48. * Max humidity.........85-100 percent. * 20-foot winds........ * Valleys/lwr slopes..South winds 4 to 7 mph. Gusts up to 25 mph after midnight. * Ridges/upr slopes...South winds 5 to 9 mph. Gusts up to 25 mph after midnight. * Mixing height........700-900 ft AGL. * Transport winds......South around 10 mph. .SUNDAY... * Sky/weather..........Cloudy. Rain. * Chance of precip.....100%. * Max temperature......44-54. * Min humidity.........83-98 percent...except 88-100 percent ridges. * 20-foot winds........ * Valleys/lwr slopes..Southwest winds 7 to 10 mph with gusts to around 25 mph. * Ridges/upr slopes...Southwest winds 7 to 10 mph with gusts to around 30 mph. * Mixing height........700-900 ft AGL. * Transport winds......South around 10 mph shifting to the southwest in the afternoon. .MONDAY THROUGH WEDNESDAY...Rain. Lows in the mid 40s. Highs 48 to 58. Southwest winds 6 to 13 mph. .THURSDAY THROUGH FRIDAY...Rain. Lows in the mid 40s. Highs 46 to 56. .8 TO 14 day Outlook for Dec 13 - 19 2025 Above normal temperatures and above normal precipitation. $$ WAZ651-061200- Central Coastal Lowlands- 330 PM PST Fri Dec 5 2025 .Tonight... * Sky/weather..........Mostly cloudy. Rain showers and slight chance of thunderstorms in the evening, then chance of rain after midnight. * Chance of precip.....75%. * Min temperature......37-47. * Max humidity.........94-100 percent. * 20-foot winds........ * Valleys/lwr slopes..West winds 13 to 16 mph with gusts to around 40 mph. * Ridges/upr slopes...West winds 13 to 16 mph with gusts to around 40 mph. * Mixing height........500-800 ft AGL. * Transport winds......West 20 to 25 mph. .SATURDAY... * Sky/weather..........Mostly cloudy. Rain in the morning, then rain likely in the afternoon. * Chance of precip.....85%. * Max temperature......42-52. * Min humidity.........87-100 percent. * 20-foot winds........ * Valleys/lwr slopes..West winds 7 to 10 mph with gusts to around 25 mph. * Ridges/upr slopes...West winds 7 to 10 mph with gusts to around 30 mph. * Mixing height........700-1700 ft AGL. * Transport winds......West around 15 mph. .SATURDAY NIGHT... * Sky/weather..........Mostly cloudy. Rain. * Chance of precip.....95%. * Min temperature......37-47. * Max humidity.........98 percent. * 20-foot winds........ * Valleys/lwr slopes..South winds 4 to 7 mph. * Ridges/upr slopes...South winds 4 to 7 mph. * Mixing height........500-800 ft AGL. * Transport winds......Southwest around 5 mph shifting to the south after midnight. .SUNDAY... * Sky/weather..........Cloudy. Rain. * Chance of precip.....100%. * Max temperature......43-53. * Min humidity.........90-100 percent. * 20-foot winds........ * Valleys/lwr slopes..South winds around 7 mph shifting to the southwest around 8 mph in the afternoon. * Ridges/upr slopes...South winds around 8 mph shifting to the southwest in the afternoon. * Mixing height........500-1100 ft AGL. * Transport winds......South around 10 mph shifting to the southwest in the afternoon. .MONDAY THROUGH WEDNESDAY...Rain. Lows in the upper 40s. Highs in the mid 50s. Southwest winds 6 to 14 mph. .THURSDAY THROUGH FRIDAY...Rain. Lows in the mid 40s. Highs in the lower 50s. .8 TO 14 day Outlook for Dec 13 - 19 2025 Above normal temperatures and above normal precipitation. $$ WAZ652-061200- West Portion of the Olympic Mountains- 330 PM PST Fri Dec 5 2025 .Tonight... * Sky/weather..........Cloudy. Rain and snow in the evening, then rain and snow likely after midnight. * Chance of precip.....85%. * Min temperature......31-41. * Max humidity.........85-100 percent. * 20-foot winds........ * Valleys/lwr slopes..West winds 14 to 18 mph with gusts to around 40 mph. * Ridges/upr slopes...West winds 14 to 18 mph with gusts to around 45 mph. * Snow level...........4500 feet. * Mixing height........600-700 ft AGL. * Transport winds......West 20 to 25 mph. .SATURDAY... * Sky/weather..........Mostly cloudy. Snow in the morning. Rain through the day. Snow likely in the afternoon. * Chance of precip.....100%. * Max temperature......34-44. * Min humidity.........85-100 percent. * 20-foot winds........ * Valleys/lwr slopes..West winds 7 to 12 mph with gusts to around 30 mph. * Ridges/upr slopes...West winds 7 to 12 mph. Gusts up to 35 mph. * Snow level...........4000 feet. * Mixing height........700-1200 ft AGL. * Transport winds......West 15 to 20 mph. .SATURDAY NIGHT... * Sky/weather..........Mostly cloudy. Rain and snow. * Chance of precip.....95%. * Min temperature......30-40. * Max humidity.........85-100 percent. * 20-foot winds........ * Valleys/lwr slopes..South winds 5 to 8 mph. * Ridges/upr slopes...South winds 6 to 9 mph. Gusts up to 25 mph after midnight. * Snow level...........4000 feet. * Mixing height........500-800 ft AGL. * Transport winds......Southwest around 10 mph. .SUNDAY... * Sky/weather..........Cloudy. Snow in the morning. Rain through the day. Slight chance of snow in the afternoon. * Chance of precip.....100%. * Max temperature......36-46. * Min humidity.........81-96 percent. * 20-foot winds........ * Valleys/lwr slopes..Southwest winds 7 to 10 mph. Gusts up to 25 mph in the morning. * Ridges/upr slopes...Southwest winds 7 to 10 mph with gusts to around 25 mph. * Snow level...........5000 feet. * Mixing height........400-500 ft AGL. * Transport winds......Southwest around 15 mph. .MONDAY...Rain and snow. Snow level 5500 feet. Lows 37 to 47. Highs 42 to 52. Southwest winds 8 to 14 mph. .TUESDAY THROUGH WEDNESDAY...Rain and slight chance of snow. Snow level 6000 feet. Lows 36 to 46. Highs 40 to 50. Southwest winds 7 to 10 mph. .THURSDAY THROUGH FRIDAY...Rain and slight chance of snow. Snow level 6000 feet. Lows 35 to 45. Highs 40 to 50. .8 TO 14 day Outlook for Dec 13 - 19 2025 Above normal temperatures and above normal precipitation. $$ WAZ661-061200- East Portion of the Olympic Mountains- 330 PM PST Fri Dec 5 2025 .Tonight... * Sky/weather..........Mostly cloudy. Rain and snow in the evening, then rain and snow likely after midnight. * Chance of precip.....85%. * Min temperature......30-40. * Max humidity.........80-95 percent. * 20-foot winds........ * Valleys/lwr slopes..West winds 13 to 18 mph with gusts to around 45 mph. * Ridges/upr slopes...West winds 13 to 18 mph with gusts to around 45 mph. * Snow level...........4500 feet. * Mixing height........600-800 ft AGL. * Transport winds......West around 25 mph. .SATURDAY... * Sky/weather..........Mostly cloudy. Snow in the morning. Rain likely through the day. Snow likely in the afternoon. * Chance of precip.....80%. * Max temperature......39-49...except 33-43 ridges. * Min humidity.........79-94 percent. * 20-foot winds........ * Valleys/lwr slopes..West winds 8 to 13 mph with gusts to around 35 mph. * Ridges/upr slopes...West winds 8 to 13 mph with gusts to around 35 mph. * Snow level...........4000 feet. * Mixing height........700-1400 ft AGL. * Transport winds......West 15 to 20 mph. .SATURDAY NIGHT... * Sky/weather..........Mostly cloudy. Rain and snow. * Chance of precip.....90%. * Min temperature......30-40. * Max humidity.........82-97 percent. * 20-foot winds........ * Valleys/lwr slopes..Southwest winds 6 to 9 mph. * Ridges/upr slopes...Southwest winds 6 to 9 mph. * Snow level...........3500 feet. * Mixing height........500-800 ft AGL. * Transport winds......Southwest around 10 mph. .SUNDAY... * Sky/weather..........Cloudy. Rain and snow. * Chance of precip.....100%. * Max temperature......41-51...except 36-46 ridges. * Min humidity.........81-96 percent...except 74-89 percent ridges. * 20-foot winds........ * Valleys/lwr slopes..Southwest winds 7 to 10 mph. Gusts up to 25 mph in the afternoon. * Ridges/upr slopes...Southwest winds 8 to 11 mph with gusts to around 25 mph. * Snow level...........5000 feet. * Mixing height........500-800 ft AGL. * Transport winds......Southwest around 15 mph. .MONDAY THROUGH TUESDAY...Rain and snow. Snow level 5750 feet. Lows 34 to 44. Highs 43 to 53 valleys...36 to 46 ridges. Southwest winds 8 to 14 mph. .WEDNESDAY...Rain and slight chance of snow. Snow level 6500 feet. Lows 34 to 44. Highs 39 to 49. Southwest winds around 9 mph. .THURSDAY THROUGH FRIDAY...Rain and slight chance of snow. Snow level 6000 feet. Lows 33 to 43. Highs 42 to 52 valleys...35 to 45 ridges. .8 TO 14 day Outlook for Dec 13 - 19 2025 Above normal temperatures and above normal precipitation. $$ WAZ653-061200- Strait of Juan De Fuca and Northwest Interior Lowlands- 330 PM PST Fri Dec 5 2025 ...WIND ADVISORY IN EFFECT UNTIL 7 AM PST SATURDAY... .Tonight... * Sky/weather..........Mostly cloudy. Rain in the evening, then rain likely after midnight. * Chance of precip.....85%. * Min temperature......38-48. * Max humidity.........82-97 percent. * 20-foot winds........Southwest winds 11 to 14 mph with gusts to around 40 mph. * Mixing height........600-700 ft AGL. * Transport winds......West around 20 mph. .SATURDAY... * Sky/weather..........Mostly cloudy. Rain likely. * Chance of precip.....70%. * Max temperature......44-54. * Min humidity.........80-95 percent. * 20-foot winds........Southwest winds 8 to 11 mph. Gusts up to 35 mph. * Mixing height........800-1500 ft AGL. * Transport winds......Southwest around 15 mph. .SATURDAY NIGHT... * Sky/weather..........Mostly cloudy. Rain likely in the evening, then rain after midnight. * Chance of precip.....85%. * Min temperature......37-47. * Max humidity.........84-99 percent. * 20-foot winds........South winds 5 to 8 mph. * Mixing height........700-800 ft AGL. * Transport winds......South around 10 mph. .SUNDAY... * Sky/weather..........Cloudy. Rain. * Chance of precip.....100%. * Max temperature......45-55. * Min humidity.........81-96 percent. * 20-foot winds........South winds 8 to 11 mph. Gusts up to 25 mph in the morning. * Mixing height........900-1100 ft AGL. * Transport winds......South around 15 mph. .MONDAY THROUGH WEDNESDAY...Rain. Lows 40 to 50. Highs in the lower 50s. South winds 6 to 14 mph. .THURSDAY THROUGH FRIDAY...Rain. Lows 38 to 48. Highs 47 to 57. .8 TO 14 day Outlook for Dec 13 - 19 2025 Above normal temperatures and above normal precipitation. $$ WAZ654-061200- Central and South Puget Sound Lowlands- 330 PM PST Fri Dec 5 2025 .Tonight... * Sky/weather..........Mostly cloudy. Chance of rain in the evening, then rain likely after midnight. * Chance of precip.....60%. * Min temperature......38-48. * Max humidity.........81-96 percent. * 20-foot winds........Southwest winds 12 to 15 mph with gusts to around 35 mph. * Mixing height........700-900 ft AGL. * Transport winds......Southwest around 20 mph. .SATURDAY... * Sky/weather..........Mostly cloudy. Rain likely. * Chance of precip.....70%. * Max temperature......43-53. * Min humidity.........78-93 percent. * 20-foot winds........Southwest winds 9 to 12 mph. Gusts up to 25 mph in the morning. * Mixing height........1000-2000 ft AGL. * Transport winds......Southwest around 15 mph. .SATURDAY NIGHT... * Sky/weather..........Mostly cloudy. Rain. * Chance of precip.....90%. * Min temperature......38-48. * Max humidity.........86-100 percent. * 20-foot winds........South winds 6 to 9 mph. * Mixing height........600-900 ft AGL. * Transport winds......Southwest around 10 mph. .SUNDAY... * Sky/weather..........Cloudy. Rain. * Chance of precip.....100%. * Max temperature......44-54. * Min humidity.........81-96 percent. * 20-foot winds........South winds 7 to 10 mph. * Mixing height........700-1200 ft AGL. * Transport winds......South 10 to 15 mph. .MONDAY THROUGH WEDNESDAY...Rain. Lows 42 to 52. Highs in the mid 50s. South winds 7 to 14 mph. .THURSDAY...Rain. Lows in the mid 40s. Highs in the lower 50s. .FRIDAY...Rain likely. Lows in the mid 40s. Highs in the mid 50s. .8 TO 14 day Outlook for Dec 13 - 19 2025 Above normal temperatures and above normal precipitation. $$ WAZ655-061200- Black Hills and Southwest Interior Lowlands- 330 PM PST Fri Dec 5 2025 .Tonight... * Sky/weather..........Mostly cloudy. Rain likely. * Chance of precip.....70%. * Min temperature......37-47. * Max humidity.........86-100 percent. * 20-foot winds........Southwest winds 11 to 14 mph with gusts to around 35 mph. * Mixing height........700-900 ft AGL. * Transport winds......West around 20 mph. .SATURDAY... * Sky/weather..........Mostly cloudy. Rain likely in the morning, then rain showers and slight chance of thunderstorms in the afternoon. * Chance of precip.....85%. * Max temperature......42-52. * Min humidity.........84-99 percent. * 20-foot winds........Southwest winds 7 to 10 mph with gusts to around 25 mph. * Mixing height........900-1900 ft AGL. * Transport winds......West around 15 mph. .SATURDAY NIGHT... * Sky/weather..........Mostly cloudy. Rain. * Chance of precip.....90%. * Min temperature......37-47. * Max humidity.........86-100 percent. * 20-foot winds........South winds 4 to 7 mph. * Mixing height........600-1000 ft AGL. * Transport winds......Southwest around 10 mph. .SUNDAY... * Sky/weather..........Cloudy. Rain. * Chance of precip.....100%. * Max temperature......45-55. * Min humidity.........83-98 percent. * 20-foot winds........South winds 6 to 9 mph. Gusts up to 25 mph in the morning. * Mixing height........700-1400 ft AGL. * Transport winds......South 10 to 15 mph. .MONDAY THROUGH WEDNESDAY...Rain. Lows in the mid 40s. Highs in the mid 50s. South winds 5 to 12 mph. .THURSDAY...Rain. Lows in the mid 40s. Highs in the lower 50s. .FRIDAY...Rain likely. Lows in the mid 40s. Highs in the mid 50s. .8 TO 14 day Outlook for Dec 13 - 19 2025 Above normal temperatures and above normal precipitation. $$ WAZ656-061200- Northeast Puget Sound Lowlands Generally Below 1500 Feet- 330 PM PST Fri Dec 5 2025 .Tonight... * Sky/weather..........Mostly cloudy. Rain. * Chance of precip.....100%. * Min temperature......34-44. * Max humidity.........85-100 percent. * 20-foot winds........Southwest winds 8 to 11 mph with gusts to around 30 mph. * Mixing height........1200-1300 ft AGL. * Transport winds......Southwest 15 to 20 mph. .SATURDAY... * Sky/weather..........Mostly cloudy. Rain. * Chance of precip.....100%. * Max temperature......40-50. * Min humidity.........83-98 percent. * 20-foot winds........Southwest winds 6 to 9 mph with gusts to around 30 mph. * Mixing height........1500-2000 ft AGL. * Transport winds......Southwest around 15 mph. .SATURDAY NIGHT... * Sky/weather..........Mostly cloudy. Rain. * Chance of precip.....95%. * Min temperature......34-44. * Max humidity.........84-99 percent. * 20-foot winds........South winds 4 to 7 mph. * Mixing height........1200-1400 ft AGL. * Transport winds......South around 10 mph. .SUNDAY... * Sky/weather..........Cloudy. Rain. * Chance of precip.....100%. * Max temperature......40-50. * Min humidity.........81-96 percent. * 20-foot winds........Southeast winds 5 to 8 mph. * Mixing height........1200-1300 ft AGL. * Transport winds......South around 10 mph. .MONDAY THROUGH WEDNESDAY...Rain. Lows in the mid 40s. Highs 46 to 56. Southeast winds 5 to 9 mph. .THURSDAY THROUGH FRIDAY...Rain. Lows in the lower 40s. Highs 45 to 55. .8 TO 14 day Outlook for Dec 13 - 19 2025 Above normal temperatures and above normal precipitation. $$ WAZ657-061200- Southeast Puget Sound Lowlands Generally Below 1500 Feet- 330 PM PST Fri Dec 5 2025 .Tonight... * Sky/weather..........Mostly cloudy. Rain likely in the evening, then rain after midnight. * Chance of precip.....85%. * Min temperature......39-49. * Max humidity.........88-100 percent. * 20-foot winds........Southwest winds 10 to 13 mph with gusts to around 30 mph. * Mixing height........900-1200 ft AGL. * Transport winds......Southwest 20 to 25 mph. .SATURDAY... * Sky/weather..........Mostly cloudy. Rain likely in the morning, then rain in the afternoon. * Chance of precip.....85%. * Max temperature......42-52. * Min humidity.........83-98 percent. * 20-foot winds........Southwest winds 7 to 10 mph with gusts to around 25 mph. * Mixing height........1200-2100 ft AGL. * Transport winds......Southwest 15 to 20 mph. .SATURDAY NIGHT... * Sky/weather..........Mostly cloudy. Rain likely in the evening, then rain after midnight. * Chance of precip.....80%. * Min temperature......38-48. * Max humidity.........89-100 percent. * 20-foot winds........South winds 4 to 7 mph. * Mixing height........800-1200 ft AGL. * Transport winds......South 10 to 15 mph. .SUNDAY... * Sky/weather..........Cloudy. Rain. * Chance of precip.....100%. * Max temperature......44-54. * Min humidity.........85-100 percent. * 20-foot winds........South winds 5 to 8 mph. * Mixing height........700-1200 ft AGL. * Transport winds......South 10 to 15 mph. .MONDAY THROUGH WEDNESDAY...Rain. Lows in the upper 40s. Highs in the mid 50s. South winds 5 to 9 mph. .THURSDAY...Rain. Lows in the mid 40s. Highs in the lower 50s. .FRIDAY...Rain likely. Lows in the mid 40s. Highs in the mid 50s. .8 TO 14 day Outlook for Dec 13 - 19 2025 Above normal temperatures and above normal precipitation. $$ WAZ658-061200- West Slopes of the North Cascades Generally above 1500 Feet- 330 PM PST Fri Dec 5 2025 .Tonight... * Sky/weather..........Cloudy. Snow and rain. * Chance of precip.....100%. * Min temperature......32-42...except 26-36 ridges. * Max humidity.........81-96 percent. * 20-foot winds........ * Valleys/lwr slopes..Southwest winds 9 to 13 mph with gusts to around 30 mph. * Ridges/upr slopes...Southwest winds 9 to 14 mph with gusts to around 35 mph. * Snow level...........4000 feet. * Mixing height........800-900 ft AGL. * Transport winds......West around 20 mph. .SATURDAY... * Sky/weather..........Mostly cloudy. Snow and rain. * Chance of precip.....100%. * Max temperature......35-45...except 29-39 ridges. * Min humidity.........79-94 percent. * 20-foot winds........ * Valleys/lwr slopes..Southwest winds 6 to 12 mph with gusts to around 30 mph. * Ridges/upr slopes...Southwest winds 6 to 12 mph with gusts to around 35 mph. * Snow level...........3500 feet. * Mixing height........900-1300 ft AGL. * Transport winds......West 15 to 20 mph. .SATURDAY NIGHT... * Sky/weather..........Mostly cloudy. Snow and rain. * Chance of precip.....95%. * Min temperature......31-41...except 26-36 ridges. * Max 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. Gusts up to 25 mph in the evening. * Snow level...........3500 feet. * Mixing height........800-900 ft AGL. * Transport winds......Southwest 10 to 15 mph. .SUNDAY... * Sky/weather..........Cloudy. Rain and snow. * Chance of precip.....100%. * Max temperature......37-47...except 31-41 ridges. * Min humidity.........77-92 percent. * 20-foot winds........ * Valleys/lwr slopes..South winds 5 to 8 mph. * Ridges/upr slopes...South winds 6 to 9 mph. * Snow level...........4500 feet. * Mixing height........700 ft AGL. * Transport winds......Southwest around 10 mph. .MONDAY THROUGH WEDNESDAY...Rain and snow. Snow level 5250 feet. Lows 32 to 42. Highs 40 to 50 valleys...32 to 42 ridges. South winds 7 to 10 mph. .THURSDAY...Snow and rain. Snow level 5000 feet. Lows 29 to 39. Highs 37 to 47 valleys...30 to 40 ridges. .FRIDAY...Snow and rain. Snow level 5000 feet. Lows 30 to 40. Highs 40 to 50 valleys...33 to 43 ridges. .8 TO 14 day Outlook for Dec 13 - 19 2025 Above normal temperatures and above normal precipitation. $$ WAZ659-061200- West Slopes of the Central Cascades Generally above 1500 Feet- 330 PM PST Fri Dec 5 2025 .Tonight... * Sky/weather..........Mostly cloudy. Rain and snow. * Chance of precip.....100%. * Min temperature......34-44...except 27-37 ridges. * Max humidity.........85-100 percent. * 20-foot winds........ * Valleys/lwr slopes..Southwest winds 12 to 17 mph with gusts to around 40 mph. * Ridges/upr slopes...Southwest winds 12 to 18 mph with gusts to around 45 mph. * Snow level...........4500 feet. * Mixing height........1000-1100 ft AGL. * Transport winds......West around 25 mph. .SATURDAY... * Sky/weather..........Mostly cloudy. Rain and snow likely in the morning, then rain and snow in the afternoon. * Chance of precip.....85%. * Max temperature......37-47...except 30-40 ridges. * Min humidity.........76-91 percent. * 20-foot winds........ * Valleys/lwr slopes..Southwest winds 8 to 14 mph with gusts to around 35 mph. * Ridges/upr slopes...West winds 8 to 14 mph with gusts to around 40 mph. * Snow level...........4000 feet. * Mixing height........1100-1500 ft AGL. * Transport winds......West around 20 mph. .SATURDAY NIGHT... * Sky/weather..........Mostly cloudy. Rain and snow. * Chance of precip.....95%. * Min temperature......33-43...except 27-37 ridges. * Max humidity.........85-100 percent. * 20-foot winds........ * Valleys/lwr slopes..Downslope/downvalley around 5 mph. * Ridges/upr slopes...Southwest winds 5 to 8 mph. Gusts up to 30 mph in the evening. * Snow level...........4000 feet. * Mixing height........800-1100 ft AGL. * Transport winds......Southwest 10 to 15 mph. .SUNDAY... * Sky/weather..........Cloudy. Snow in the morning. Rain through the day. Slight chance of snow in the afternoon. * Chance of precip.....100%. * Max temperature......40-50...except 32-42 ridges. * Min humidity.........83-98 percent...except 78-93 percent ridges. * 20-foot winds........ * Valleys/lwr slopes..South winds 5 to 8 mph. Gusts up to 25 mph in the morning. * Ridges/upr slopes...Southwest winds 6 to 9 mph with gusts to around 25 mph. * Snow level...........5500 feet. * Mixing height........600-1100 ft AGL. * Transport winds......Southwest 10 to 15 mph. .MONDAY...Rain and snow. Snow level 6000 feet. Lows 38 to 48 valleys...in the mid 30s ridges. Highs 45 to 55 valleys...in the lower 40s ridges. Southwest winds 6 to 9 mph. .TUESDAY THROUGH WEDNESDAY...Rain and slight chance of snow. Snow level 6750 feet. Lows 38 to 48 valleys...in the mid 30s ridges. Highs 43 to 53 valleys...around 40 ridges. Southwest winds 7 to 10 mph. .THURSDAY...Rain and slight chance of snow. Snow level 6500 feet. Lows 35 to 45. Highs 42 to 52 valleys...31 to 41 ridges. .FRIDAY...Rain likely and slight chance of snow. Snow level 6000 feet. Lows 34 to 44. Highs 45 to 55 valleys...38 to 48 ridges. .8 TO 14 day Outlook for Dec 13 - 19 2025 Above normal temperatures and above normal precipitation. $$ www.weather.gov/seattle