Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Seattle/Tacoma, WA
Issued by NWS Seattle/Tacoma, WA
501 FNUS56 KSEW 012331 FWFSEW Fire Weather Planning Forecast for Western Washington National Weather Service Seattle WA 330 PM PST Mon Dec 1 2025 .DISCUSSION... Generally quiet weather is expected through Wednesday night or Thursday. The door will open to a series of weather systems beginning Thursday and continuing into next week. Initially the concerns will be gusty winds and the potential for coastal flooding, then transition to a river flood threat with a continued coastal flood threat as we move through the weekend into next week. Active weather is likely to continue through at least the first half of next week. Forecast for 20 foot wind speed (valleys and ridge tops) are 10 minute averages reflecting RAWS winds. WAZ649-021200- North and Central Coastal Strip- 330 PM PST Mon Dec 1 2025 .Tonight... * Sky/weather..........Mostly cloudy. Chance of rain. * Chance of precip.....50%. * Min temperature......39-49. * Max humidity.........91-100 percent. * 20-foot winds........ * Valleys/lwr slopes..Southwest winds around 5 mph shifting to the northwest around 7 mph after midnight. * Ridges/upr slopes...Southwest winds around 6 mph shifting to the northwest around 7 mph after midnight. * Mixing height........500-600 ft AGL. * Transport winds......Southwest around 10 mph shifting to the northwest after midnight. .TUESDAY... * Sky/weather..........Partly sunny. Slight chance of rain in the morning. * Chance of precip.....30% decreasing to 10% in the afternoon. * Max temperature......45-55. * Min humidity.........80-93 percent. * 20-foot winds........ * Valleys/lwr slopes..North winds 4 to 7 mph. * Ridges/upr slopes...North winds 3 to 6 mph. * Mixing height........700-1700 ft AGL. * Transport winds......North 5 to 10 mph. .TUESDAY NIGHT... * Sky/weather..........Mostly cloudy. * Chance of precip.....10%. * Min temperature......36-46. * Max humidity.........86-100 percent. * 20-foot winds........ * Valleys/lwr slopes..East winds 3 to 5 mph. * Ridges/upr slopes...East winds 3 to 6 mph. * Mixing height........500-600 ft AGL. * Transport winds......East around 5 mph. .WEDNESDAY... * Sky/weather..........Mostly cloudy. Slight chance of rain. * Chance of precip.....20%. * Max temperature......43-53. * Min humidity.........81-94 percent. * 20-foot winds........ * Valleys/lwr slopes..Southeast winds 3 to 5 mph. * Ridges/upr slopes...Southeast winds 3 to 5 mph. * Mixing height........500-1100 ft AGL. * Transport winds......Southeast around 5 mph. .THURSDAY...Patchy fog in the evening. Rain. Lows in the lower 40s. Highs in the lower 50s. South winds 3 to 7 mph. .FRIDAY THROUGH SATURDAY...Showers and slight chance of thunderstorms. Lows in the upper 40s. Highs in the lower 50s. West winds 4 to 7 mph. .SUNDAY THROUGH MONDAY...Rain. Lows in the mid 40s. Highs in the lower 50s. .8 TO 14 day Outlook for Dec 09 - 15 2025 Above normal temperatures and above normal precipitation. $$ WAZ650-021200- North Coastal Lowlands- 330 PM PST Mon Dec 1 2025 .Tonight... * Sky/weather..........Mostly cloudy. Rain likely in the evening, then chance of rain after midnight. * Chance of precip.....60%. * Min temperature......36-46. * Max humidity.........86-100 percent. * 20-foot winds........ * Valleys/lwr slopes..South winds around 3 mph shifting to the west after midnight. * Ridges/upr slopes...South winds around 5 mph shifting to the west after midnight. * Mixing height........600 ft AGL. * Transport winds......South around 5 mph shifting to the northwest after midnight. .TUESDAY... * Sky/weather..........Partly sunny. Slight chance of rain in the morning. * Chance of precip.....30% decreasing to 10% in the afternoon. * Max temperature......42-52. * Min humidity.........79-94 percent. * 20-foot winds........ * Valleys/lwr slopes..Northwest winds around 3 mph in the morning becoming light. * Ridges/upr slopes...North winds 3 to 5 mph. * Mixing height........700-1700 ft AGL. * Transport winds......North 5 to 10 mph. .TUESDAY NIGHT... * Sky/weather..........Mostly cloudy. * Chance of precip.....10%. * Min temperature......33-43. * Max humidity.........82-97 percent...except 87-99 percent ridges. * 20-foot winds........ * Valleys/lwr slopes..East winds 3 to 4 mph. * Ridges/upr slopes...East winds 3 to 4 mph. * Mixing height........600-700 ft AGL. * Transport winds......Southeast around 5 mph. .WEDNESDAY... * Sky/weather..........Mostly cloudy. Slight chance of rain. * Chance of precip.....20%. * Max temperature......40-50. * Min humidity.........81-96 percent. * 20-foot winds........ * Valleys/lwr slopes..Light winds. * Ridges/upr slopes...Southeast winds around 3 mph in the morning becoming light. * Mixing height........600-1200 ft AGL. * Transport winds......Southeast around 5 mph shifting to the southwest in the afternoon. .THURSDAY...Patchy fog in the evening. Rain. Lows in the lower 40s. Highs in the upper 40s. Southeast winds 3 to 6 mph. .FRIDAY...Showers and slight chance of thunderstorms. Lows in the mid 40s. Highs 47 to 57. Southwest winds around 5 mph. .SATURDAY...Rain. Lows in the mid 40s. Highs 45 to 55. West winds around 6 mph. .SUNDAY THROUGH MONDAY...Rain. Lows in the mid 40s. Highs 45 to 55. .8 TO 14 day Outlook for Dec 09 - 15 2025 Above normal temperatures and above normal precipitation. $$ WAZ651-021200- Central Coastal Lowlands- 330 PM PST Mon Dec 1 2025 .Tonight... * Sky/weather..........Mostly cloudy. Chance of rain. * Chance of precip.....50%. * Min temperature......34-44. * Max humidity.........92-100 percent. * 20-foot winds........ * Valleys/lwr slopes..West winds 3 to 6 mph. * Ridges/upr slopes...West winds 3 to 6 mph. * Mixing height........400-500 ft AGL. * Transport winds......West 5 to 10 mph. .TUESDAY... * Sky/weather..........Partly sunny. Slight chance of rain. * Chance of precip.....20%. * Max temperature......41-51. * Min humidity.........86-99 percent. * 20-foot winds........ * Valleys/lwr slopes..Northwest winds around 4 mph shifting to the east around 3 mph in the afternoon. * Ridges/upr slopes...Northwest winds around 4 mph in the morning becoming light. * Mixing height........600-1600 ft AGL. * Transport winds......Northwest around 10 mph shifting to the northeast in the afternoon. .TUESDAY NIGHT... * Sky/weather..........Mostly cloudy. * Chance of precip.....0%. * Min temperature......31-41. * Max humidity.........91-100 percent. * 20-foot winds........ * Valleys/lwr slopes..East winds 3 to 4 mph. * Ridges/upr slopes...East winds 3 to 4 mph. * Mixing height........500-600 ft AGL. * Transport winds......East around 5 mph. .WEDNESDAY... * Sky/weather..........Mostly cloudy. Patchy fog in the afternoon. * Chance of precip.....0%. * Max temperature......38-48. * Min humidity.........85-99 percent. * 20-foot winds........ * Valleys/lwr slopes..East winds 3 to 4 mph. * Ridges/upr slopes...East winds around 3 mph in the morning becoming light. * Mixing height........400-1000 ft AGL. * Transport winds......East around 5 mph. .THURSDAY...Patchy fog. Rain. Lows in the upper 30s. Highs around 50. Southeast winds 3 to 5 mph. .FRIDAY THROUGH SATURDAY...Rain. Lows in the mid 40s. Highs in the lower 50s. West winds 3 to 6 mph. .SUNDAY...Rain. Lows in the lower 40s. Highs in the lower 50s valleys...in the mid 40s ridges. .MONDAY...Rain. Lows in the mid 40s. Highs in the mid 50s. .8 TO 14 day Outlook for Dec 09 - 15 2025 Above normal temperatures and above normal precipitation. $$ WAZ652-021200- West Portion of the Olympic Mountains- 330 PM PST Mon Dec 1 2025 .Tonight... * Sky/weather..........Mostly cloudy. Rain likely in the evening, then chance of rain and snow after midnight. * Chance of precip.....60%. * Min temperature......30-40. * Max humidity.........87-100 percent. * 20-foot winds........ * Valleys/lwr slopes..Downslope/downvalley 3 to 4 mph. * Ridges/upr slopes...West winds 3 to 6 mph. * Snow level...........5500 feet. * Mixing height........300 ft AGL. * Transport winds......West 5 to 10 mph. .TUESDAY... * Sky/weather..........Partly sunny. Chance of snow and slight chance of rain in the morning. * Chance of precip.....40% decreasing to 10% in the afternoon. * Max temperature......34-44. * Min humidity.........76-91 percent. * 20-foot winds........ * Valleys/lwr slopes..Upslope/upvalley around 2 mph. * Ridges/upr slopes...Northwest winds around 3 mph in the morning becoming light. * Snow level...........4000 feet. * Mixing height........500-1200 ft AGL. * Transport winds......Northwest 5 to 10 mph. .TUESDAY NIGHT... * Sky/weather..........Mostly cloudy. * Chance of precip.....10%. * Min temperature......28-38. * Max humidity.........80-95 percent. * 20-foot winds........ * Valleys/lwr slopes..Downslope/downvalley around 2 mph. * Ridges/upr slopes...East winds 3 to 4 mph. * Snow level...........3500 feet. * Mixing height........400 ft AGL. * Transport winds......Southeast around 5 mph shifting to the west after midnight. .WEDNESDAY... * Sky/weather..........Mostly cloudy. Slight chance of rain and snow through the day. * Chance of precip.....20%. * Max temperature......33-43. * Min humidity.........77-92 percent. * 20-foot winds........ * Valleys/lwr slopes..Upslope/upvalley around 2 mph. * Ridges/upr slopes...Light winds. * Snow level...........3500 feet. * Mixing height........300-800 ft AGL. * Transport winds......West around 5 mph. .THURSDAY...Rain and slight chance of snow. Snow level 6000 feet. Lows 32 to 42. Highs 38 to 48. South winds 3 to 5 mph. .FRIDAY...Rain and slight chance of snow. Snow level 7000 feet. Lows 37 to 47. Highs 41 to 51. Southwest winds around 7 mph. .SATURDAY...Rain and snow. Snow level 4500 feet. Lows 35 to 45. Highs 37 to 47. West winds around 8 mph. .SUNDAY...Rain and snow. Snow level 4000 feet. Lows 34 to 44. Highs 37 to 47. .MONDAY...Rain and snow. Snow level 4500 feet. Lows 35 to 45. Highs 41 to 51. .8 TO 14 day Outlook for Dec 09 - 15 2025 Above normal temperatures and above normal precipitation. $$ WAZ661-021200- East Portion of the Olympic Mountains- 330 PM PST Mon Dec 1 2025 .Tonight... * Sky/weather..........Mostly cloudy. Slight chance of snow in the evening. Chance of rain through the night. Chance of snow after midnight. * Chance of precip.....50%. * Min temperature......29-39. * Max humidity.........83-98 percent. * 20-foot winds........ * Valleys/lwr slopes..Downslope/downvalley around 4 mph. * Ridges/upr slopes...West winds 3 to 6 mph. * Snow level...........5500 feet. * Mixing height........400 ft AGL. * Transport winds......West around 10 mph. .TUESDAY... * Sky/weather..........Partly sunny. Slight chance of rain and snow in the morning. * Chance of precip.....30% decreasing to 10% in the afternoon. * Max temperature......33-43. * Min humidity.........77-92 percent. * 20-foot winds........ * Valleys/lwr slopes..Upslope/upvalley around 2 mph. * Ridges/upr slopes...North winds 3 to 5 mph. * Snow level...........4000 feet. * Mixing height........500-1000 ft AGL. * Transport winds......North 5 to 10 mph. .TUESDAY NIGHT... * Sky/weather..........Mostly cloudy. * Chance of precip.....0%. * Min temperature......26-36. * Max humidity.........80-95 percent...except 75-90 percent ridges. * 20-foot winds........ * Valleys/lwr slopes..Downslope/downvalley around 2 mph. * Ridges/upr slopes...West winds 3 to 5 mph. * Snow level...........3500 feet. * Mixing height........400-500 ft AGL. * Transport winds......West around 5 mph. .WEDNESDAY... * Sky/weather..........Mostly cloudy. Patchy fog in the afternoon. Slight chance of rain in the afternoon. * Chance of precip.....10%. * Max temperature......33-43. * Min humidity.........77-92 percent. * 20-foot winds........ * Valleys/lwr slopes..Upslope/upvalley around 2 mph. * Ridges/upr slopes...Southwest winds 3 to 4 mph. * Snow level...........3500 feet. * Mixing height........400-800 ft AGL. * Transport winds......West around 5 mph. .THURSDAY...Rain and chance of snow. Snow level 6000 feet. Lows 29 to 39. Highs 36 to 46. Southwest winds 3 to 5 mph. .FRIDAY...Rain and slight chance of snow. Snow level 7000 feet. Lows 34 to 44. Highs 40 to 50. Southwest winds around 7 mph. .SATURDAY...Rain and snow. Snow level 4500 feet. Lows 32 to 42. Highs 37 to 47. Southwest winds around 8 mph. .SUNDAY...Rain and snow. Snow level 4000 feet. Lows 31 to 41. Highs 40 to 50 valleys...33 to 43 ridges. .MONDAY...Rain and snow. Snow level 4500 feet. Lows 32 to 42. Highs 39 to 49. .8 TO 14 day Outlook for Dec 09 - 15 2025 Above normal temperatures and above normal precipitation. $$ WAZ653-021200- Strait of Juan De Fuca and Northwest Interior Lowlands- 330 PM PST Mon Dec 1 2025 .Tonight... * Sky/weather..........Mostly cloudy. Chance of rain. * Chance of precip.....50%. * Min temperature......34-44. * Max humidity.........84-99 percent. * 20-foot winds........Southeast winds around 5 mph shifting to the southwest around 3 mph after midnight. * Mixing height........700 ft AGL. * Transport winds......South around 10 mph. .TUESDAY... * Sky/weather..........Partly sunny. Slight chance of rain in the morning. * Chance of precip.....20% decreasing to 0% in the afternoon. * Max temperature......41-51. * Min humidity.........78-93 percent. * 20-foot winds........Northwest winds 3 to 5 mph. * Mixing height........700-1600 ft AGL. * Transport winds......North around 5 mph. .TUESDAY NIGHT... * Sky/weather..........Mostly cloudy. Patchy fog. * Chance of precip.....0%. * Min temperature......32-42. * Max humidity.........81-96 percent. * 20-foot winds........Light winds. * Mixing height........700-800 ft AGL. * Transport winds......Southeast around 5 mph. .WEDNESDAY... * Sky/weather..........Mostly cloudy. Slight chance of rain in the afternoon. * Chance of precip.....0% increasing to 10% in the afternoon. * Max temperature......40-50. * Min humidity.........77-92 percent. * 20-foot winds........Southeast winds 3 to 4 mph. * Mixing height........800-1300 ft AGL. * Transport winds......Southeast around 5 mph. .THURSDAY...Rain. Lows in the upper 30s. Highs in the upper 40s. Southeast winds 3 to 6 mph. .FRIDAY...Rain. Lows in the lower 40s. Highs in the lower 50s. South winds around 6 mph. .SATURDAY...Rain. Lows 39 to 49. Highs around 50. Southwest winds around 6 mph. .SUNDAY THROUGH MONDAY...Rain. Lows 38 to 48. Highs in the lower 50s. .8 TO 14 day Outlook for Dec 09 - 15 2025 Above normal temperatures and above normal precipitation. $$ WAZ654-021200- Central and South Puget Sound Lowlands- 330 PM PST Mon Dec 1 2025 .Tonight... * Sky/weather..........Mostly cloudy. Chance of rain. * Chance of precip.....50%. * Min temperature......33-43. * Max humidity.........84-99 percent. * 20-foot winds........South winds 3 to 5 mph. * Mixing height........500 ft AGL. * Transport winds......Southwest around 5 mph. .TUESDAY... * Sky/weather..........Partly sunny. Chance of rain in the morning. * Chance of precip.....40% decreasing to 10% in the afternoon. * Max temperature......39-49. * Min humidity.........82-97 percent. * 20-foot winds........Light winds becoming northeast around 3 mph in the afternoon. * Mixing height........500-1300 ft AGL. * Transport winds......North around 5 mph. .TUESDAY NIGHT... * Sky/weather..........Mostly cloudy. Patchy fog. * Chance of precip.....0%. * Min temperature......31-41. * Max humidity.........82-97 percent. * 20-foot winds........Northeast winds up to 3 mph. * Mixing height........500-700 ft AGL. * Transport winds......Northeast around 5 mph shifting to the southeast after midnight. .WEDNESDAY... * Sky/weather..........Mostly cloudy. Patchy fog. * Chance of precip.....0%. * Max temperature......38-48. * Min humidity.........80-95 percent. * 20-foot winds........Southeast winds 3 to 4 mph. * Mixing height........700-1300 ft AGL. * Transport winds......East around 5 mph. .THURSDAY...Patchy fog. Mostly cloudy with rain. Lows in the upper 30s. Highs in the upper 40s. South winds 3 to 6 mph. .FRIDAY...Rain. Lows in the mid 40s. Highs in the lower 50s. Southwest winds around 7 mph. .SATURDAY...Rain. Lows 40 to 50. Highs in the lower 50s. Southwest winds around 7 mph. .SUNDAY...Rain. Lows 39 to 49. Highs in the lower 50s. .MONDAY...Rain. Lows in the mid 40s. Highs in the lower 50s. .8 TO 14 day Outlook for Dec 09 - 15 2025 Above normal temperatures and above normal precipitation. $$ WAZ655-021200- Black Hills and Southwest Interior Lowlands- 330 PM PST Mon Dec 1 2025 .Tonight... * Sky/weather..........Mostly cloudy. Chance of rain through the night. Patchy dense fog after midnight. * Chance of precip.....50%. * Min temperature......32-42. * Max humidity.........87-100 percent. * 20-foot winds........Southwest winds 3 to 5 mph. * Mixing height........600 ft AGL. * Transport winds......Southwest 5 to 10 mph. .TUESDAY... * Sky/weather..........Partly sunny. Chance of rain in the morning, then slight chance of rain in the afternoon. Patchy fog in the afternoon. * Chance of precip.....35%. * Max temperature......41-51. * Min humidity.........83-98 percent. * 20-foot winds........Light winds. * Mixing height........700-1300 ft AGL. * Transport winds......West around 5 mph shifting to the northeast in the afternoon. .TUESDAY NIGHT... * Sky/weather..........Mostly cloudy. Patchy fog. * Chance of precip.....0%. * Min temperature......28-38. * Max humidity.........83-98 percent. * 20-foot winds........Northeast winds up to 3 mph. * Mixing height........600-700 ft AGL. * Transport winds......Northeast around 5 mph. .WEDNESDAY... * Sky/weather..........Mostly cloudy. Patchy fog. * Chance of precip.....0%. * Max temperature......39-49. * Min humidity.........76-91 percent. * 20-foot winds........East winds up to 3 mph. * Mixing height........600-1100 ft AGL. * Transport winds......East around 5 mph shifting to the northeast in the afternoon. .THURSDAY...Patchy fog. Mostly cloudy with rain. Lows in the mid 30s. Highs in the upper 40s. South winds up to 5 mph. .FRIDAY THROUGH SATURDAY...Rain. Lows in the mid 40s. Highs in the lower 50s. Southwest winds 3 to 6 mph. .SUNDAY...Rain. Lows in the lower 40s. Highs in the lower 50s. .MONDAY...Rain. Lows in the lower 40s. Highs in the lower 50s. .8 TO 14 day Outlook for Dec 09 - 15 2025 Above normal temperatures and above normal precipitation. $$ WAZ656-021200- Northeast Puget Sound Lowlands Generally Below 1500 Feet- 330 PM PST Mon Dec 1 2025 .Tonight... * Sky/weather..........Mostly cloudy. Rain likely and slight chance of snow in the evening, then chance of rain after midnight. Patchy fog after midnight. * Chance of precip.....60%. * Min temperature......30-40. * Max humidity.........84-99 percent. * 20-foot winds........Southeast winds 3 to 4 mph. * Mixing height........1000 ft AGL. * Transport winds......South around 5 mph. .TUESDAY... * Sky/weather..........Partly sunny. Chance of rain in the morning. Patchy fog through the day. * Chance of precip.....30% decreasing to 10% in the afternoon. * Max temperature......36-46. * Min humidity.........79-94 percent. * 20-foot winds........West winds up to 3 mph. * Mixing height........1000-1700 ft AGL. * Transport winds......Northwest around 5 mph. .TUESDAY NIGHT... * Sky/weather..........Partly cloudy then becoming mostly cloudy. Patchy fog. * Chance of precip.....0%. * Min temperature......27-37. * Max humidity.........80-95 percent. * 20-foot winds........East winds 3 to 4 mph. * Mixing height........1000-1100 ft AGL. * Transport winds......East around 5 mph. .WEDNESDAY... * Sky/weather..........Mostly cloudy. Patchy fog in the morning. Slight chance of rain in the afternoon. * Chance of precip.....0% increasing to 10% in the afternoon. * Max temperature......35-45. * Min humidity.........75-90 percent. * 20-foot winds........Light winds. * Mixing height........1000-1600 ft AGL. * Transport winds......East around 5 mph shifting to the southwest in the afternoon. .THURSDAY...Patchy fog in the evening. Mostly cloudy with rain. Lows in the upper 30s. Highs 40 to 50. Southeast winds 3 to 4 mph. .FRIDAY THROUGH SATURDAY...Rain. Lows in the lower 40s. Highs 45 to 55. Southwest winds 3 to 5 mph. .SUNDAY...Rain. Lows in the lower 40s. Highs 43 to 53. .MONDAY...Rain. Lows in the lower 40s. Highs 45 to 55. .8 TO 14 day Outlook for Dec 09 - 15 2025 Above normal temperatures and above normal precipitation. $$ WAZ657-021200- Southeast Puget Sound Lowlands Generally Below 1500 Feet- 330 PM PST Mon Dec 1 2025 .Tonight... * Sky/weather..........Mostly cloudy. Chance of rain in the evening, then rain likely after midnight. * Chance of precip.....60%. * Min temperature......34-44. * Max humidity.........93-100 percent. * 20-foot winds........South winds 3 to 5 mph. * Mixing height........600-700 ft AGL. * Transport winds......South 5 to 10 mph. .TUESDAY... * Sky/weather..........Partly sunny. Chance of rain in the morning. Patchy fog through the day. * Chance of precip.....50% decreasing to 10% in the afternoon. * Max temperature......39-49. * Min humidity.........84-99 percent. * 20-foot winds........Light winds. * Mixing height........700-1600 ft AGL. * Transport winds......Northwest around 5 mph. .TUESDAY NIGHT... * Sky/weather..........Mostly cloudy. Patchy fog. * Chance of precip.....0%. * Min temperature......30-40. * Max humidity.........84-99 percent. * 20-foot winds........East winds up to 3 mph. * Mixing height........700-800 ft AGL. * Transport winds......East around 5 mph. .WEDNESDAY... * Sky/weather..........Mostly cloudy. Patchy fog in the morning. * Chance of precip.....0%. * Max temperature......39-49. * Min humidity.........78-93 percent. * 20-foot winds........Light winds. * Mixing height........700-1200 ft AGL. * Transport winds......Southeast around 5 mph shifting to the north in the afternoon. .THURSDAY...Patchy fog. Mostly cloudy with rain. Lows in the upper 30s. Highs in the upper 40s. South winds 3 to 4 mph. .FRIDAY...Rain. Lows in the lower 40s. Highs in the lower 50s. South winds around 5 mph. .SATURDAY...Rain. Lows in the mid 40s. Highs in the lower 50s. Southwest winds around 6 mph. .SUNDAY...Rain. Lows 39 to 49. Highs in the lower 50s. .MONDAY...Rain. Lows in the mid 40s. Highs in the lower 50s. .8 TO 14 day Outlook for Dec 09 - 15 2025 Above normal temperatures and above normal precipitation. $$ WAZ658-021200- West Slopes of the North Cascades Generally above 1500 Feet- 330 PM PST Mon Dec 1 2025 .Tonight... * Sky/weather..........Mostly cloudy. Snow and rain in the evening, then snow and rain likely after midnight. * Chance of precip.....85%. * Min temperature......25-35. * Max humidity.........82-97 percent. * 20-foot winds........ * Valleys/lwr slopes..Downslope/downvalley 2 to 3 mph. * Ridges/upr slopes...West winds 3 to 6 mph. * Snow level...........3500 feet. * Mixing height........600 ft AGL. * Transport winds......Southwest around 10 mph. .TUESDAY... * Sky/weather..........Mostly sunny. Chance of snow and rain in the morning. * Chance of precip.....30% decreasing to 10% in the afternoon. * Max temperature......34-44...except 29-39 ridges. * Min humidity.........76-91 percent. * 20-foot winds........ * Valleys/lwr slopes..Upslope/upvalley around 1 mph. * Ridges/upr slopes...Northwest winds up to 3 mph. * Snow level...........3500 feet. * Mixing height........600-1000 ft AGL. * Transport winds......Northwest around 5 mph. .TUESDAY NIGHT... * Sky/weather..........Partly cloudy then becoming mostly cloudy. * Chance of precip.....0%. * Min temperature......20-30. * Max humidity.........76-91 percent. * 20-foot winds........ * Valleys/lwr slopes..Downslope/downvalley around 3 mph. * Ridges/upr slopes...Northeast winds 3 to 6 mph. * Snow level...........3000 feet. * Mixing height........500-600 ft AGL. * Transport winds......Northeast around 5 mph. .WEDNESDAY... * Sky/weather..........Partly sunny. Slight chance of snow through the day. Slight chance of rain in the afternoon. * Chance of precip.....15%. * Max temperature......33-43...except 27-37 ridges. * Min humidity.........72-87 percent. * 20-foot winds........ * Valleys/lwr slopes..Upslope/upvalley 1 to 2 mph. * Ridges/upr slopes...South winds around 4 mph in the morning becoming light. * Snow level...........3000 feet. * Mixing height........500-800 ft AGL. * Transport winds......South around 5 mph shifting to the west in the afternoon. .THURSDAY...Snow and rain. Snow level 3500 feet. Lows 26 to 36. Highs 32 to 42. Southwest winds 3 to 5 mph. .FRIDAY THROUGH SATURDAY...Rain and snow. Snow level 4750 feet. Lows 30 to 40. Highs 38 to 48 valleys...31 to 41 ridges. Southwest winds 5 to 8 mph. .SUNDAY THROUGH MONDAY...Snow and rain. Snow level 3750 feet. Lows 30 to 40. Highs 38 to 48 valleys...31 to 41 ridges. .8 TO 14 day Outlook for Dec 09 - 15 2025 Above normal temperatures and above normal precipitation. $$ WAZ659-021200- West Slopes of the Central Cascades Generally above 1500 Feet- 330 PM PST Mon Dec 1 2025 .Tonight... * Sky/weather..........Mostly cloudy. Chance of rain and snow in the evening, then rain and snow likely after midnight. * Chance of precip.....60%. * Min temperature......30-40...except 25-35 ridges. * Max humidity.........84-99 percent. * 20-foot winds........ * Valleys/lwr slopes..Downslope/downvalley around 3 mph. * Ridges/upr slopes...Southwest winds 3 to 6 mph. * Snow level...........5000 feet. * Mixing height........500-600 ft AGL. * Transport winds......West around 10 mph. .TUESDAY... * Sky/weather..........Mostly cloudy then becoming mostly sunny. Rain likely and slight chance of snow in the morning. * Chance of precip.....70% decreasing to 10% in the afternoon. * Max temperature......35-45...except 28-38 ridges. * Min humidity.........82-97 percent...except 71-86 percent ridges. * 20-foot winds........ * Valleys/lwr slopes..Upslope/upvalley around 2 mph. * Ridges/upr slopes...Northwest winds 3 to 5 mph. * Snow level...........4000 feet. * Mixing height........600-1100 ft AGL. * Transport winds......Northwest 5 to 10 mph. .TUESDAY NIGHT... * Sky/weather..........Partly cloudy then becoming mostly cloudy. Patchy fog in the evening. * Chance of precip.....0%. * Min temperature......26-36...except 20-30 ridges. * Max humidity.........82-97 percent...except 77-92 percent ridges. * 20-foot winds........ * Valleys/lwr slopes..Downslope/downvalley around 2 mph. * Ridges/upr slopes...Light winds becoming southeast around 3 mph after midnight. * Snow level...........3000 feet. * Mixing height........500-600 ft AGL. * Transport winds......East around 5 mph. .WEDNESDAY... * Sky/weather..........Mostly cloudy. Patchy fog in the afternoon. * Chance of precip.....0%. * Max temperature......36-46...except 29-39 ridges. * Min humidity.........72-87 percent. * 20-foot winds........ * Valleys/lwr slopes..Upslope/upvalley 1 to 2 mph. * Ridges/upr slopes...South winds around 3 mph in the morning becoming light. * Snow level...........3500 feet. * Mixing height........500-900 ft AGL. * Transport winds......Southeast around 5 mph shifting to the west in the afternoon. .THURSDAY...Mostly cloudy with rain and chance of snow. Snow level 4500 feet. Lows 27 to 37. Highs 35 to 45. Southwest winds 3 to 4 mph. .FRIDAY...Rain. Snow level 6500 feet. Lows 33 to 43. Highs 42 to 52 valleys...around 40 ridges. Southwest winds around 6 mph. .SATURDAY...Rain and snow. Snow level 5000 feet. Lows 37 to 47 valleys...in the upper 30s ridges. Highs 40 to 50 valleys...30 to 40 ridges. Southwest winds around 8 mph. .SUNDAY...Rain and snow. Snow level 4500 feet. Lows 35 to 45 valleys...in the lower 30s ridges. Highs 39 to 49 valleys...in the mid 30s ridges. .MONDAY...Rain and snow. Snow level 4500 feet. Lows 35 to 45 valleys...in the lower 30s ridges. Highs 42 to 52 valleys...35 to 45 ridges. .8 TO 14 day Outlook for Dec 09 - 15 2025 Above normal temperatures and above normal precipitation. $$ www.weather.gov/seattle