FNUS56 KSEW 081215 FWFSEW Fire Weather Planning Forecast for Western Washington National Weather Service Seattle WA 415 AM PST Fri Dec 8 2023 .DISCUSSION....Showers will continue to taper through the morning for a brief lull in the active weather this afternoon and evening. The next system will move into the region Saturday into Sunday and will bring moderate to heavy lowland rain, mountain snow, and gusty winds to areas along the Coast and North Interior. A quieter period of weather is expected early next week as upper level ridging moves back into the region. Forecast for 20 foot wind speed (valleys and ridge tops) are 10 minute averages reflecting RAWS winds. WAZ649-090015- North and Central Coastal Strip- 415 AM PST Fri Dec 8 2023 .TODAY... * Sky/weather..........Mostly sunny. Chance of rain showers in the morning. * Chance of precip.....50% decreasing to 0% in the afternoon. * Max temperature......41-51. * Min humidity.........67-82 percent. * 20-foot winds........ * Valleys/lwr slopes..Southeast winds around 5 mph shifting to the south in the afternoon. * Ridges/upr slopes...North winds around 5 mph shifting to the south in the afternoon. * Mixing height........800-1800 ft AGL. * Transport winds......Northwest around 5 mph shifting to the southwest in the afternoon. .TONIGHT... * Sky/weather..........Mostly cloudy. Chance of rain through the night. * Chance of precip.....30%. * Min temperature......32-42. * Max humidity.........85-98 percent. * 20-foot winds........ * Valleys/lwr slopes..Southeast winds 7 to 11 mph. Gusts up to 25 mph after midnight. * Ridges/upr slopes...Southeast winds 7 to 14 mph. Gusts up to 25 mph after midnight. * Mixing height........500-600 ft AGL. * Transport winds......Southeast 10 to 15 mph. .SATURDAY... * Sky/weather..........Cloudy. Rain. * Chance of precip.....100%. * Max temperature......43-53. * Min humidity.........71-86 percent. * 20-foot winds........ * Valleys/lwr slopes..Southeast winds 17 to 20 mph with gusts to around 45 mph. * Ridges/upr slopes...Southeast winds 17 to 24 mph with gusts to around 50 mph. * Mixing height........900-1700 ft AGL. * Transport winds......Southeast around 25 mph. .SUNDAY...Rain. Lows in the lower 40s. Highs in the lower 50s. Southwest winds 6 to 15 mph. .MONDAY...Showers likely. Lows in the mid 40s. Highs around 50. Northwest winds 5 to 8 mph. .TUESDAY...Mostly cloudy. Chance of showers. Lows in the lower 40s. Highs around 50. East winds 6 to 9 mph. .WEDNESDAY THROUGH THURSDAY...Mostly cloudy with rain likely. Lows in the lower 40s. Highs around 50. .8 TO 14 day Outlook for Dec 15 - 21 2023 Above normal temperatures and above normal precipitation. $$ WAZ650-090015- North Coastal Lowlands- 415 AM PST Fri Dec 8 2023 .TODAY... * Sky/weather..........Mostly sunny. Chance of rain showers in the morning. * Chance of precip.....40% decreasing to 0% in the afternoon. * Max temperature......37-47. * Min humidity.........67-82 percent...except 75-83 percent ridges. * 20-foot winds........ * Valleys/lwr slopes..South winds 3 to 5 mph. * Ridges/upr slopes...South winds 3 to 6 mph. * Mixing height........700-1700 ft AGL. * Transport winds......Northwest around 5 mph shifting to the southwest in the afternoon. .TONIGHT... * Sky/weather..........Mostly cloudy. Rain after midnight. * Chance of precip.....30%. * Min temperature......29-39. * Max humidity.........83-98 percent. * 20-foot winds........ * Valleys/lwr slopes..Southeast winds 6 to 9 mph. * Ridges/upr slopes...Southeast winds 6 to 10 mph. * Mixing height........400-500 ft AGL. * Transport winds......Southeast 10 to 15 mph. .SATURDAY... * Sky/weather..........Cloudy. Rain. * Chance of precip.....95%. * Max temperature......39-49. * Min humidity.........67-82 percent. * 20-foot winds........ * Valleys/lwr slopes..Southeast winds 17 to 20 mph with gusts to around 45 mph. * Ridges/upr slopes...Southeast winds 17 to 21 mph with gusts to around 45 mph. * Mixing height........800-1500 ft AGL. * Transport winds......Southeast 20 to 25 mph. .SUNDAY...Rain. Lows in the upper 30s. Highs 46 to 56. Southwest winds 6 to 12 mph. .MONDAY...Rain. Lows in the lower 40s. Highs 44 to 54. Northwest winds 4 to 7 mph. .TUESDAY...Mostly cloudy. Chance of showers. Lows in the upper 30s. Highs 44 to 54. East winds 5 to 8 mph. .WEDNESDAY THROUGH THURSDAY...Mostly cloudy with rain likely. Lows in the upper 30s. Highs 44 to 54. .8 TO 14 day Outlook for Dec 15 - 21 2023 Above normal temperatures and above normal precipitation. $$ WAZ651-090015- Central Coastal Lowlands- 415 AM PST Fri Dec 8 2023 .TODAY... * Sky/weather..........Mostly sunny. Chance of rain showers in the morning. * Chance of precip.....40% decreasing to 0% in the afternoon. * Max temperature......37-47. * Min humidity.........73-88 percent. * 20-foot winds........ * Valleys/lwr slopes..Southwest winds 3 to 6 mph. * Ridges/upr slopes...Southwest winds 3 to 6 mph. * Mixing height........700-1700 ft AGL. * Transport winds......West around 5 mph. .TONIGHT... * Sky/weather..........Mostly cloudy. Slight chance of rain. * Chance of precip.....15%. * Min temperature......28-38. * Max humidity.........91-100 percent. * 20-foot winds........ * Valleys/lwr slopes..East winds 5 to 8 mph. * Ridges/upr slopes...East winds 6 to 9 mph. * Mixing height........400-500 ft AGL. * Transport winds......Southeast around 10 mph. .SATURDAY... * Sky/weather..........Cloudy. Rain. * Chance of precip.....90%. * Max temperature......38-48. * Min humidity.........72-87 percent...except 69-79 percent ridges. * 20-foot winds........ * Valleys/lwr slopes..Southeast winds 9 to 12 mph. * Ridges/upr slopes...Southeast winds 10 to 13 mph with gusts to around 25 mph. * Mixing height........600-1400 ft AGL. * Transport winds......Southeast around 15 mph. .SUNDAY...Rain. Lows in the upper 30s. Highs in the lower 50s. Southwest winds 6 to 10 mph. .MONDAY...Rain. Lows in the lower 40s. Highs around 50. West winds 4 to 7 mph. .TUESDAY...Mostly cloudy. Slight chance of showers. Lows in the upper 30s. Highs in the upper 40s. East winds 5 to 8 mph. .WEDNESDAY...Mostly cloudy with rain likely. Lows in the upper 30s. Highs in the upper 40s. .THURSDAY...Mostly cloudy. Rain likely. Lows in the upper 30s. Highs in the upper 40s. .8 TO 14 day Outlook for Dec 15 - 21 2023 Above normal temperatures and above normal precipitation. $$ WAZ652-090015- West Portion of the Olympic Mountains- 415 AM PST Fri Dec 8 2023 .TODAY... * Sky/weather..........Mostly sunny. Chance of snow showers and rain showers in the morning. * Chance of precip.....40% decreasing to 0% in the afternoon. * Max temperature......28-38. * Min humidity.........64-79 percent. * 20-foot winds........ * Valleys/lwr slopes..Upslope/upvalley 3 to 4 mph. * Ridges/upr slopes...Northwest winds around 5 mph shifting to the southwest around 3 mph in the afternoon. * Snow level...........2000 feet. * Mixing height........600-1600 ft AGL. * Transport winds......Northwest around 5 mph shifting to the southwest in the afternoon. .TONIGHT... * Sky/weather..........Mostly cloudy. Snow and rain after midnight. * Chance of precip.....20%. * Min temperature......22-32. * Max humidity.........82-95 percent. * 20-foot winds........ * Valleys/lwr slopes..Southeast winds 7 to 11 mph. Gusts up to 25 mph after midnight. * Ridges/upr slopes...Southeast winds 7 to 11 mph. Gusts up to 25 mph after midnight. * Snow level...........2000 feet. * Mixing height........500 ft AGL. * Transport winds......Southeast 10 to 15 mph. .SATURDAY... * Sky/weather..........Cloudy. Snow and rain. * Chance of precip.....95%. * Max temperature......33-43. * Min humidity.........60-75 percent. * 20-foot winds........ * Valleys/lwr slopes..Southeast winds 17 to 20 mph with gusts to around 40 mph. * Ridges/upr slopes...Southeast winds 18 to 21 mph with gusts to around 45 mph. * Snow level...........3000 feet. * Mixing height........800-1300 ft AGL. * Transport winds......South around 25 mph. .SUNDAY...Rain and snow. Snow level 6500 feet. Lows 31 to 41. Highs 39 to 49. Southwest winds 6 to 12 mph. .MONDAY...Showers likely and snow. Snow level 4500 feet. Lows 34 to 44. Highs 37 to 47. Northwest winds 4 to 7 mph. .TUESDAY...Mostly cloudy. Slight chance of showers. Snow level 4000 feet. Lows 29 to 39. Highs 38 to 48. East winds 5 to 8 mph. .WEDNESDAY THROUGH THURSDAY...Mostly cloudy with rain and snow likely. Snow level 4750 feet. Lows 32 to 42. Highs 38 to 48. .8 TO 14 day Outlook for Dec 15 - 21 2023 Above normal temperatures and above normal precipitation. $$ WAZ661-090015- East Portion of the Olympic Mountains- 415 AM PST Fri Dec 8 2023 .TODAY... * Sky/weather..........Mostly sunny. Chance of snow showers and rain showers in the morning. * Chance of precip.....30% decreasing to 0% in the afternoon. * Max temperature......28-38. * Min humidity.........65-80 percent...except 60-75 percent ridges. * 20-foot winds........ * Valleys/lwr slopes..Upslope/upvalley 3 to 4 mph. * Ridges/upr slopes...West winds around 5 mph shifting to the south around 4 mph in the afternoon. * Snow level...........2000 feet. * Mixing height........600-1600 ft AGL. * Transport winds......Northwest around 5 mph shifting to the southwest in the afternoon. .TONIGHT... * Sky/weather..........Mostly cloudy. Snow likely after midnight. * Chance of precip.....0% increasing to 10% after midnight. * Min temperature......21-31. * Max humidity.........82-97 percent. * 20-foot winds........ * Valleys/lwr slopes..South winds 6 to 9 mph. * Ridges/upr slopes...South winds 6 to 9 mph. Gusts up to 25 mph after midnight. * Snow level...........1500 feet. * Mixing height........500 ft AGL. * Transport winds......South around 5 mph increasing to around 15 mph after midnight. .SATURDAY... * Sky/weather..........Cloudy. Snow likely in the morning. Rain through the day. Snow in the afternoon. * Chance of precip.....95%. * Max temperature......33-43. * Min humidity.........65-80 percent...except 52-67 percent ridges. * 20-foot winds........ * Valleys/lwr slopes..South winds 15 to 20 mph. Gusts up to 30 mph increasing to 40 mph in the afternoon. * Ridges/upr slopes...South winds 15 to 21 mph with gusts to around 50 mph. * Snow level...........3000 feet. * Mixing height........700-1200 ft AGL. * Transport winds......South 20 to 25 mph. .SUNDAY...Rain and snow. Snow level 6500 feet. Lows 29 to 39. Highs 38 to 48. Southwest winds 6 to 14 mph. .MONDAY...Rain and snow. Snow level 4500 feet. Lows 32 to 42. Highs 35 to 45. Northwest winds 4 to 7 mph. .TUESDAY...Mostly cloudy. Snow level 4000 feet. Lows 27 to 37. Highs 39 to 49 valleys...in the upper 30s ridges. Southeast winds 5 to 8 mph. .WEDNESDAY...Mostly cloudy with rain and snow likely. Snow level 4500 feet. Lows 28 to 38. Highs 36 to 46. .THURSDAY...Mostly cloudy. Snow likely and chance of showers. Snow level 4500 feet. Lows 28 to 38. Highs 35 to 45. .8 TO 14 day Outlook for Dec 15 - 21 2023 Above normal temperatures and above normal precipitation. $$ WAZ653-090015- Strait of Juan De Fuca and Northwest Interior Lowlands- 415 AM PST Fri Dec 8 2023 .TODAY... * Sky/weather..........Mostly sunny. Chance of rain showers in the morning. * Chance of precip.....40% decreasing to 0% in the afternoon. * Max temperature......38-48. * Min humidity.........68-83 percent. * 20-foot winds........Southwest winds around 5 mph shifting to the south around 4 mph in the afternoon. * Mixing height........900-1900 ft AGL. * Transport winds......West around 5 mph shifting to the south in the afternoon. .TONIGHT... * Sky/weather..........Mostly cloudy. Chance of rain after midnight. * Chance of precip.....0% increasing to 10% after midnight. * Min temperature......29-39. * Max humidity.........82-97 percent. * 20-foot winds........Southeast winds 6 to 9 mph. * Mixing height........500-600 ft AGL. * Transport winds......Southeast around 10 mph. .SATURDAY... * Sky/weather..........Cloudy. Rain. * Chance of precip.....95%. * Max temperature......39-49. * Min humidity.........69-84 percent. * 20-foot winds........Southeast winds 12 to 17 mph. Gusts up to 35 mph increasing to 45 mph in the afternoon. * Mixing height........700-1500 ft AGL. * Transport winds......Southeast around 15 mph increasing to south around 25 mph in the afternoon. .SUNDAY...Rain. Lows in the upper 30s. Highs 45 to 55. South winds 6 to 14 mph. .MONDAY...Mostly cloudy with rain likely. Lows 37 to 47. Highs in the upper 40s. North winds 5 to 8 mph. .TUESDAY...Mostly cloudy. Slight chance of showers. Lows 34 to 44. Highs 43 to 53. Northeast winds 4 to 7 mph. .WEDNESDAY...Mostly cloudy with a chance of rain. Lows 32 to 42. Highs in the upper 40s. .THURSDAY...Mostly cloudy. Chance of showers. Lows 34 to 44. Highs in the upper 40s. .8 TO 14 day Outlook for Dec 15 - 21 2023 Above normal temperatures and above normal precipitation. $$ WAZ654-090015- Central and South Puget Sound Lowlands- 415 AM PST Fri Dec 8 2023 .TODAY... * Sky/weather..........Mostly sunny. Chance of rain showers in the morning. * Chance of precip.....30% decreasing to 0% in the afternoon. * Max temperature......37-47. * Min humidity.........71-86 percent. * 20-foot winds........South winds 3 to 5 mph. * Mixing height........600-1600 ft AGL. * Transport winds......South around 5 mph. .TONIGHT... * Sky/weather..........Mostly cloudy. Patchy fog after midnight. * Chance of precip.....0%. * Min temperature......29-39. * Max humidity.........85-100 percent. * 20-foot winds........Southeast winds 3 to 5 mph. * Mixing height........400-500 ft AGL. * Transport winds......Southeast around 5 mph. .SATURDAY... * Sky/weather..........Cloudy. Rain. * Chance of precip.....85%. * Max temperature......37-47. * Min humidity.........69-84 percent. * 20-foot winds........South winds 6 to 9 mph. Gusts up to 25 mph in the afternoon. * Mixing height........400-1100 ft AGL. * Transport winds......South around 10 mph. .SUNDAY...Rain. Lows in the upper 30s. Highs around 50. South winds 6 to 9 mph. .MONDAY...Showers likely. Lows 39 to 49. Highs in the upper 40s. Northeast winds 4 to 7 mph. .TUESDAY...Mostly cloudy. Lows 34 to 44. Highs in the upper 40s. Northeast winds 3 to 6 mph. .WEDNESDAY...Mostly cloudy with a chance of rain. Lows in the mid 30s. Highs in the upper 40s. .THURSDAY...Mostly cloudy. Chance of showers. Lows in the upper 30s. Highs in the upper 40s. .8 TO 14 day Outlook for Dec 15 - 21 2023 Above normal temperatures and above normal precipitation. $$ WAZ655-090015- Black Hills and Southwest Interior Lowlands- 415 AM PST Fri Dec 8 2023 .TODAY... * Sky/weather..........Partly sunny. Chance of rain showers in the morning. * Chance of precip.....40% decreasing to 0% in the afternoon. * Max temperature......36-46. * Min humidity.........78-93 percent. * 20-foot winds........Southwest winds 4 to 7 mph. * Mixing height........800-1800 ft AGL. * Transport winds......Southwest around 5 mph. .TONIGHT... * Sky/weather..........Mostly cloudy. * Chance of precip.....0%. * Min temperature......23-33. * Max humidity.........83-98 percent. * 20-foot winds........Southeast winds 4 to 7 mph. * Mixing height........400-600 ft AGL. * Transport winds......Southeast around 5 mph. .SATURDAY... * Sky/weather..........Cloudy. Rain. * Chance of precip.....85%. * Max temperature......37-47. * Min humidity.........70-85 percent. * 20-foot winds........Southeast winds 8 to 13 mph. Gusts up to 30 mph in the afternoon. * Mixing height........400-1400 ft AGL. * Transport winds......Southeast 10 to 15 mph. .SUNDAY...Rain. Lows in the upper 30s. Highs 45 to 55. South winds 7 to 13 mph. .MONDAY...Showers likely. Lows in the lower 40s. Highs in the upper 40s. West winds 5 to 8 mph. .TUESDAY...Mostly cloudy. Slight chance of showers. Lows in the upper 30s. Highs in the upper 40s. Northeast winds 5 to 8 mph. .WEDNESDAY...Mostly cloudy with a chance of rain. Lows in the mid 30s. Highs in the upper 40s. .THURSDAY...Mostly cloudy. Chance of showers. Lows in the mid 30s. Highs in the upper 40s. .8 TO 14 day Outlook for Dec 15 - 21 2023 Above normal temperatures and above normal precipitation. $$ WAZ656-090015- Northeast Puget Sound Lowlands Generally Below 1500 Feet- 415 AM PST Fri Dec 8 2023 .TODAY... * Sky/weather..........Partly sunny. Rain showers and snow showers likely in the morning. Chance of rain showers and snow showers in the afternoon. * Chance of precip.....60%. * Max temperature......33-43. * Min humidity.........74-89 percent. * 20-foot winds........South winds 3 to 5 mph. * Mixing height........800-1800 ft AGL. * Transport winds......Southwest around 5 mph. .TONIGHT... * Sky/weather..........Mostly cloudy. * Chance of precip.....0%. * Min temperature......22-32. * Max humidity.........83-98 percent. * 20-foot winds........East winds 4 to 7 mph. * Mixing height........400-500 ft AGL. * Transport winds......East 5 to 10 mph. .SATURDAY... * Sky/weather..........Cloudy. Chance of snow in the morning. Rain through the day. * Chance of precip.....70%. * Max temperature......34-44. * Min humidity.........58-73 percent. * 20-foot winds........Southeast winds 8 to 11 mph. Gusts up to 25 mph in the afternoon. * Mixing height........400-1100 ft AGL. * Transport winds......Southeast 10 to 15 mph. .SUNDAY...Rain. Lows in the upper 30s. Highs 43 to 53. Southeast winds 6 to 9 mph. .MONDAY...Rain. Lows in the lower 40s. Highs 42 to 52. South winds 3 to 6 mph. .TUESDAY...Mostly cloudy. Slight chance of showers. Lows in the upper 30s. Highs in the upper 40s. East winds 4 to 7 mph. .WEDNESDAY...Mostly cloudy. Rain likely. Lows in the mid 30s. Highs 42 to 52. .THURSDAY...Mostly cloudy. Rain likely. Lows in the upper 30s. Highs in the mid 40s. .8 TO 14 day Outlook for Dec 15 - 21 2023 Above normal temperatures and above normal precipitation. $$ WAZ657-090015- Southeast Puget Sound Lowlands Generally Below 1500 Feet- 415 AM PST Fri Dec 8 2023 .TODAY... * Sky/weather..........Partly sunny. Snow showers likely in the morning. Chance of rain showers through the day. * Chance of precip.....55%. * Max temperature......34-44. * Min humidity.........79-94 percent. * 20-foot winds........South winds 3 to 6 mph. * Mixing height........900-1900 ft AGL. * Transport winds......Southwest around 5 mph. .TONIGHT... * Sky/weather..........Partly cloudy then becoming mostly cloudy. * Chance of precip.....0%. * Min temperature......25-35. * Max humidity.........87-100 percent. * 20-foot winds........Southeast winds 4 to 7 mph. * Mixing height........400-600 ft AGL. * Transport winds......Southeast around 5 mph. .SATURDAY... * Sky/weather..........Cloudy. Rain. * Chance of precip.....70%. * Max temperature......35-45. * Min humidity.........67-82 percent. * 20-foot winds........Southeast winds 5 to 8 mph. * Mixing height........400-1000 ft AGL. * Transport winds......Southeast around 10 mph. .SUNDAY...Rain. Lows in the upper 30s. Highs around 50. South winds 7 to 10 mph. .MONDAY...Rain. Lows in the lower 40s. Highs in the upper 40s. West winds 4 to 7 mph. .TUESDAY...Mostly cloudy. Slight chance of showers. Lows in the upper 30s. Highs in the upper 40s. Northeast winds 3 to 6 mph. .WEDNESDAY...Mostly cloudy with a chance of rain. Lows in the mid 30s. Highs in the upper 40s. .THURSDAY...Mostly cloudy. Chance of showers. Lows in the upper 30s. Highs in the upper 40s. .8 TO 14 day Outlook for Dec 15 - 21 2023 Above normal temperatures and above normal precipitation. $$ WAZ658-090015- West Slopes of the North Cascades Generally above 1500 Feet- 415 AM PST Fri Dec 8 2023 .TODAY... * Sky/weather..........Partly sunny. Snow showers likely in the morning, then chance of snow showers in the afternoon. * Chance of precip.....60%. * Max temperature......29-39...except 22-32 ridges. * Min humidity.........72-87 percent...except 66-81 percent ridges. * 20-foot winds........ * Valleys/lwr slopes..Upslope/upvalley 4 to 5 mph. * Ridges/upr slopes...West winds 4 to 7 mph. * Snow level...........1500 feet. * Mixing height........900-1900 ft AGL. * Transport winds......West 5 to 10 mph. .TONIGHT... * Sky/weather..........Mostly cloudy. * Chance of precip.....0% increasing to 10% after midnight. * Min temperature......20-30...except 14-24 ridges. * Max humidity.........80-95 percent. * 20-foot winds........ * Valleys/lwr slopes..Southeast winds 5 to 8 mph. * Ridges/upr slopes...Southeast winds 5 to 8 mph. * Snow level...........500 feet. * Mixing height........400-500 ft AGL. * Transport winds......Southeast 5 to 10 mph. .SATURDAY... * Sky/weather..........Cloudy. Chance of snow in the morning, then snow and rain in the afternoon. * Chance of precip.....70%. * Max temperature......31-41...except 26-36 ridges. * Min humidity.........54-69 percent. * 20-foot winds........ * Valleys/lwr slopes..Southeast winds 10 to 13 mph with gusts to around 25 mph. * Ridges/upr slopes...Southeast winds 10 to 14 mph with gusts to around 30 mph. * Snow level...........1500 feet. * Mixing height........500-1000 ft AGL. * Transport winds......Southeast around 15 mph. .SUNDAY...Rain and snow. Snow level 4500 feet. Lows 26 to 36. Highs 38 to 48 valleys...in the mid 30s ridges. South winds 7 to 10 mph. .MONDAY...Rain and snow. Snow level 5000 feet. Lows 30 to 40. Highs 37 to 47 valleys...28 to 38 ridges. West winds 4 to 7 mph. .TUESDAY...Mostly cloudy. Chance of showers. Snow level 3500 feet. Lows 26 to 36. Highs 37 to 47 valleys...30 to 40 ridges. Southeast winds 5 to 8 mph. .WEDNESDAY...Mostly cloudy. Chance of rain and snow. Snow level 4000 feet. Lows 25 to 35. Highs 36 to 46 valleys...29 to 39 ridges. .THURSDAY...Mostly cloudy. Rain and snow likely. Snow level 4000 feet. Lows 26 to 36. Highs 36 to 46 valleys...in the mid 30s ridges. .8 TO 14 day Outlook for Dec 15 - 21 2023 Above normal temperatures and above normal precipitation. $$ WAZ659-090015- West Slopes of the Central Cascades Generally above 1500 Feet- 415 AM PST Fri Dec 8 2023 .TODAY... * Sky/weather..........Partly sunny. Snow showers and rain showers likely in the morning, then chance of snow showers in the afternoon. * Chance of precip.....60%. * Max temperature......30-40...except 23-33 ridges. * Min humidity.........72-87 percent...except 60-75 percent ridges. * 20-foot winds........ * Valleys/lwr slopes..West winds 5 to 8 mph. * Ridges/upr slopes...West winds 5 to 8 mph. * Snow level...........2000 feet. * Mixing height........1000-2000 ft AGL. * Transport winds......West around 10 mph. .TONIGHT... * Sky/weather..........Partly cloudy then becoming mostly cloudy. * Chance of precip.....0%. * Min temperature......21-31...except 15-25 ridges. * Max humidity.........76-91 percent. * 20-foot winds........ * Valleys/lwr slopes..Southeast winds 5 to 9 mph. * Ridges/upr slopes...Southeast winds 5 to 9 mph. * Snow level...........1000 feet. * Mixing height........400-600 ft AGL. * Transport winds......Southeast 5 to 10 mph. .SATURDAY... * Sky/weather..........Cloudy. Chance of snow in the morning. Rain through the day. Snow in the afternoon. * Chance of precip.....70%. * Max temperature......30-40. * Min humidity.........52-67 percent. * 20-foot winds........ * Valleys/lwr slopes..Southeast winds 11 to 14 mph with gusts to around 30 mph. * Ridges/upr slopes...Southeast winds 12 to 15 mph with gusts to around 30 mph. * Snow level...........2500 feet. * Mixing height........500-1000 ft AGL. * Transport winds......Southeast around 15 mph. .SUNDAY...Rain and snow. Snow level 6000 feet. Lows 29 to 39. Highs 36 to 46. Southwest winds 8 to 13 mph. .MONDAY...showers. Snow level 5000 feet. Lows 32 to 42. Highs 35 to 45. West winds 5 to 8 mph. .TUESDAY...Mostly cloudy. Chance of showers. Snow level 4000 feet. Lows 27 to 37. Highs 39 to 49 valleys...32 to 42 ridges. East winds 6 to 9 mph. .WEDNESDAY...Mostly cloudy with a chance of rain and snow. Snow level 4500 feet. Lows 28 to 38. Highs 38 to 48 valleys...31 to 41 ridges. .THURSDAY...Mostly cloudy. Snow likely and chance of showers. Snow level 4500 feet. Lows 28 to 38. Highs 38 to 48 valleys...31 to 41 ridges. .8 TO 14 day Outlook for Dec 15 - 21 2023 Above normal temperatures and above normal precipitation. $$ www.weather.gov/seattle