


Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Seattle/Tacoma, WA
Issued by NWS Seattle/Tacoma, WA
445 FNUS56 KSEW 181038 FWFSEW Fire Weather Planning Forecast for Western Washington National Weather Service Seattle WA 338 AM PDT Tue Mar 18 2025 .DISCUSSION....Temporary weak upper level ridge building over Western Washington today. The ridge will shift east tonight with the next front approaching the area Wednesday. Front moving through Wednesday night into early Thursday morning with rain and locally windy conditions. Another system riding a somewhat strong jet stream will reach the area Thursday night into Friday followed by a system Saturday. Possible atmospheric river setting up Sunday before lifting north Monday. Forecast for 20 foot wind speed (valleys and ridge tops) are 10 minute averages reflecting RAWS winds. WAZ649-182315- North and Central Coastal Strip- 338 AM PDT Tue Mar 18 2025 .TODAY... * Sky/weather..........Partly sunny. Chance of rain showers in the morning, then rain showers likely in the afternoon. * Chance of precip.....60%. * Max temperature......41-51. * Min humidity.........73-83 percent. * 20-foot winds........ * Valleys/lwr slopes..South winds 3 to 6 mph. * Ridges/upr slopes...South winds 3 to 7 mph. Gusts up to 25 mph in the afternoon. * Mixing height........700 ft AGL increasing to 2900 ft AGL in the afternoon. * Transport winds......South around 5 mph increasing to around 15 mph in the afternoon. .TONIGHT... * Sky/weather..........Mostly cloudy. Chance of rain showers in the evening, then rain after midnight. * Chance of precip.....70%. * Min temperature......37-47. * Max humidity.........85-95 percent. * 20-foot winds........ * Valleys/lwr slopes..Southeast winds 8 to 11 mph with gusts to around 30 mph. * Ridges/upr slopes...Southeast winds 8 to 11 mph. Gusts up to 35 mph. * Mixing height........700-1300 ft AGL. * Transport winds......South 15 to 20 mph. .WEDNESDAY... * Sky/weather..........Cloudy. Rain. * Chance of precip.....100%. * Max temperature......42-52. * Min humidity.........79-91 percent. * 20-foot winds........ * Valleys/lwr slopes..Southeast winds 13 to 16 mph. Gusts up to 35 mph increasing to 45 mph in the afternoon. * Ridges/upr slopes...Southeast winds 13 to 16 mph. Gusts up to 40 mph increasing to 50 mph in the afternoon. * Mixing height........1300-2300 ft AGL. * Transport winds......Southeast 25 to 30 mph. .THURSDAY...Showers. Lows in the lower 40s. Highs in the upper 40s. South winds 7 to 17 mph. .FRIDAY...Showers and slight chance of thunderstorms. Lows in the mid 40s. Highs in the upper 40s. Southwest winds 9 to 12 mph. .SATURDAY...Showers. Lows in the lower 40s. Highs in the upper 40s. South winds 4 to 8 mph. .SUNDAY...Rain. Lows in the lower 40s. Highs around 50. .MONDAY...Rain. Lows in the upper 40s. Highs in the mid 50s. .8 TO 14 day Outlook for Mar 25 - 31 2025 Above normal temperatures and above normal precipitation. $$ WAZ650-182315- North Coastal Lowlands- 338 AM PDT Tue Mar 18 2025 .TODAY... * Sky/weather..........Partly sunny. Slight chance of rain showers in the morning, then chance of rain showers in the afternoon. * Chance of precip.....35%. * Max temperature......38-48. * Min humidity.........65-80 percent. * 20-foot winds........ * Valleys/lwr slopes..Light winds becoming south around 5 mph in the afternoon. * Ridges/upr slopes...South winds 3 to 6 mph. * Mixing height........800 ft AGL increasing to 3600 ft AGL in the afternoon. * Transport winds......South 5 to 10 mph. .TONIGHT... * Sky/weather..........Mostly cloudy. Chance of rain showers in the evening, then rain after midnight. * Chance of precip.....70%. * Min temperature......33-43. * Max humidity.........81-96 percent. * 20-foot winds........ * Valleys/lwr slopes..Southeast winds 6 to 9 mph. Gusts up to 30 mph after midnight. * Ridges/upr slopes...Southeast winds 6 to 10 mph with gusts to around 30 mph. * Mixing height........700-1300 ft AGL. * Transport winds......South around 15 mph. .WEDNESDAY... * Sky/weather..........Cloudy. Rain. * Chance of precip.....100%. * Max temperature......38-48. * Min humidity.........75-90 percent. * 20-foot winds........ * Valleys/lwr slopes..Southeast winds 10 to 13 mph with gusts to around 45 mph. * Ridges/upr slopes...Southeast winds 10 to 14 mph with gusts to around 45 mph. * Mixing height........1200-2200 ft AGL. * Transport winds......Southeast 20 to 25 mph. .THURSDAY...Showers. Lows in the upper 30s. Highs 42 to 52. South winds 5 to 13 mph. .FRIDAY...Showers and slight chance of thunderstorms. Lows in the lower 40s. Highs 42 to 52. Southwest winds 6 to 9 mph. .SATURDAY...Showers. Lows in the upper 30s. Highs 43 to 53. South winds 3 to 6 mph. .SUNDAY...Rain. Lows around 40. Highs 44 to 54. .MONDAY...Rain. Lows in the mid 40s. Highs in the lower 50s. .8 TO 14 day Outlook for Mar 25 - 31 2025 Above normal temperatures and above normal precipitation. $$ WAZ651-182315- Central Coastal Lowlands- 338 AM PDT Tue Mar 18 2025 .TODAY... * Sky/weather..........Partly sunny. Slight chance of rain showers in the morning, then chance of rain showers in the afternoon. * Chance of precip.....35%. * Max temperature......38-48. * Min humidity.........71-83 percent. * 20-foot winds........ * Valleys/lwr slopes..Light winds becoming south around 5 mph in the afternoon. * Ridges/upr slopes...Southeast winds around 3 mph shifting to the south around 5 mph in the afternoon. * Mixing height........600 ft AGL increasing to 2800 ft AGL in the afternoon. * Transport winds......South 5 to 10 mph. .TONIGHT... * Sky/weather..........Mostly cloudy. Chance of rain showers in the evening, then rain after midnight. * Chance of precip.....65%. * Min temperature......32-42. * Max humidity.........90-98 percent. * 20-foot winds........ * Valleys/lwr slopes..Southeast winds 5 to 8 mph. Gusts up to 25 mph after midnight. * Ridges/upr slopes...Southeast winds 5 to 8 mph. Gusts up to 25 mph after midnight. * Mixing height........500-1100 ft AGL. * Transport winds......South around 10 mph. .WEDNESDAY... * Sky/weather..........Cloudy. Rain. * Chance of precip.....95%. * Max temperature......38-48. * Min humidity.........79-90 percent. * 20-foot winds........ * Valleys/lwr slopes..Southeast winds 9 to 12 mph with gusts to around 30 mph. * Ridges/upr slopes...Southeast winds 9 to 14 mph with gusts to around 35 mph. * Mixing height........900-1900 ft AGL. * Transport winds......Southeast 15 to 20 mph. .THURSDAY...Showers. Lows around 40. Highs in the upper 40s valleys...in the lower 40s ridges. Southwest winds 5 to 13 mph. .FRIDAY...Showers and slight chance of thunderstorms. Lows in the lower 40s. Highs in the upper 40s. Southwest winds 7 to 10 mph. .SATURDAY...Showers. Lows in the upper 30s. Highs around 50 valleys...in the lower 40s ridges. Southwest winds 3 to 7 mph. .SUNDAY...Rain. Lows in the lower 40s. Highs around 50. .MONDAY...Rain. Lows in the mid 40s. Highs in the mid 50s. .8 TO 14 day Outlook for Mar 25 - 31 2025 Above normal temperatures and above normal precipitation. $$ WAZ652-182315- West Portion of the Olympic Mountains- 338 AM PDT Tue Mar 18 2025 .TODAY... * Sky/weather..........Mostly sunny then becoming mostly cloudy. Chance of rain showers and snow showers in the afternoon. * Chance of precip.....10% increasing to 70% in the afternoon. * Max temperature......29-39. * Min humidity.........62-77 percent. * 20-foot winds........ * Valleys/lwr slopes..South winds 4 to 7 mph. * Ridges/upr slopes...South winds 4 to 7 mph. * Snow level...........1500 feet. * Mixing height........500 ft AGL increasing to 2900 ft AGL in the afternoon. * Transport winds......South 5 to 10 mph. .TONIGHT... * Sky/weather..........Mostly cloudy. Chance of rain showers in the evening. Chance of snow showers through the night. Rain showers likely after midnight. * Chance of precip.....60%. * Min temperature......25-35. * Max humidity.........80-95 percent. * 20-foot winds........ * Valleys/lwr slopes..South winds 8 to 11 mph. Gusts up to 30 mph after midnight. * Ridges/upr slopes...South winds 8 to 12 mph. Gusts up to 30 mph after midnight. * Snow level...........2500 feet. * Mixing height........400-800 ft AGL. * Transport winds......South 10 to 15 mph. .WEDNESDAY... * Sky/weather..........Cloudy. Snow and rain. * Chance of precip.....100%. * Max temperature......31-41. * Min humidity.........74-89 percent. * 20-foot winds........ * Valleys/lwr slopes..Southeast winds 14 to 17 mph with gusts to around 45 mph. * Ridges/upr slopes...Southeast winds 15 to 18 mph. Gusts up to 40 mph increasing to 50 mph in the afternoon. * Snow level...........2500 feet. * Mixing height........700-1700 ft AGL. * Transport winds......Southeast 20 to 25 mph. .THURSDAY...showers. Snow level 2500 feet. Lows 29 to 39. Highs 34 to 44. Southwest winds 7 to 17 mph. .FRIDAY...Showers, snow showers and slight chance of thunderstorms. Snow level 3500 feet. Lows 31 to 41. Highs 34 to 44. Southwest winds 10 to 13 mph. .SATURDAY...showers. Snow level 2500 feet. Lows 27 to 37. Highs 35 to 45. Southwest winds 5 to 9 mph. .SUNDAY...Rain and snow. Snow level 4500 feet. Lows 31 to 41. Highs 38 to 48. .MONDAY...Rain. Snow level 7500 feet. Lows 36 to 46. Highs 43 to 53. .8 TO 14 day Outlook for Mar 25 - 31 2025 Above normal temperatures and above normal precipitation. $$ WAZ661-182315- East Portion of the Olympic Mountains- 338 AM PDT Tue Mar 18 2025 .TODAY... * Sky/weather..........Mostly sunny. Chance of rain showers and snow showers in the afternoon. * Chance of precip.....0% increasing to 50% in the afternoon. * Max temperature......35-45...except 29-39 ridges. * Min humidity.........57-72 percent. * 20-foot winds........ * Valleys/lwr slopes..Upslope/upvalley 3 to 4 mph. * Ridges/upr slopes...Southwest winds 4 to 7 mph. Gusts up to 25 mph in the afternoon. * Snow level...........1500 feet. * Mixing height........600 ft AGL increasing to 2900 ft AGL in the afternoon. * Transport winds......Southwest 5 to 10 mph. .TONIGHT... * Sky/weather..........Mostly cloudy. Chance of snow showers and rain showers. * Chance of precip.....50%. * Min temperature......25-35. * Max humidity.........80-95 percent...except 73-88 percent ridges. * 20-foot winds........ * Valleys/lwr slopes..South winds 7 to 10 mph. * Ridges/upr slopes...South winds 7 to 10 mph. Gusts up to 25 mph after midnight. * Snow level...........2500 feet. * Mixing height........500-900 ft AGL. * Transport winds......South 10 to 15 mph. .WEDNESDAY... * Sky/weather..........Cloudy. Snow and rain. * Chance of precip.....95%. * Max temperature......36-46...except 30-40 ridges. * Min humidity.........69-84 percent. * 20-foot winds........ * Valleys/lwr slopes..Southeast winds 11 to 14 mph. Gusts up to 30 mph increasing to 40 mph in the afternoon. * Ridges/upr slopes...Southeast winds 11 to 14 mph. Gusts up to 40 mph increasing to 50 mph in the afternoon. * Snow level...........2500 feet. * Mixing height........800-1800 ft AGL. * Transport winds......South 20 to 25 mph. .THURSDAY...showers. Snow level 2500 feet. Lows 27 to 37. Highs 34 to 44. Southwest winds 9 to 15 mph. .FRIDAY...Snow, showers and slight chance of thunderstorms. Snow level 3500 feet. Lows 29 to 39. Highs 38 to 48 valleys...31 to 41 ridges. Southwest winds 10 to 13 mph. .SATURDAY...showers. Snow level 2500 feet. Lows 25 to 35. Highs 38 to 48 valleys...31 to 41 ridges. Southwest winds 6 to 11 mph. .SUNDAY...Rain and snow. Snow level 4500 feet. Lows 28 to 38. Highs 38 to 48. .MONDAY...Rain. Snow level 7500 feet. Lows 34 to 44. Highs 43 to 53. .8 TO 14 day Outlook for Mar 25 - 31 2025 Above normal temperatures and above normal precipitation. $$ WAZ653-182315- Strait of Juan De Fuca and Northwest Interior Lowlands- 338 AM PDT Tue Mar 18 2025 .TODAY... * Sky/weather..........Mostly sunny. Slight chance of rain showers in the afternoon. * Chance of precip.....0% increasing to 20% in the afternoon. * Max temperature......40-50. * Min humidity.........61-76 percent. * 20-foot winds........South winds 4 to 7 mph. * Mixing height........1000 ft AGL increasing to 3400 ft AGL in the afternoon. * Transport winds......South 5 to 10 mph. .TONIGHT... * Sky/weather..........Mostly cloudy. Slight chance of rain showers in the evening. Chance of rain after midnight. * Chance of precip.....35%. * Min temperature......34-44. * Max humidity.........79-94 percent. * 20-foot winds........Southeast winds 6 to 9 mph. Gusts up to 25 mph after midnight. * Mixing height........700-1300 ft AGL. * Transport winds......Southeast 10 to 15 mph. .WEDNESDAY... * Sky/weather..........Mostly cloudy. Chance of rain in the morning, then rain in the afternoon. * Chance of precip.....75%. * Max temperature......44-54. * Min humidity.........68-83 percent. * 20-foot winds........Southeast winds 11 to 14 mph with gusts to around 35 mph. * Mixing height........1100-2100 ft AGL. * Transport winds......Southeast 15 to 20 mph. .THURSDAY...Showers. Lows 35 to 45. Highs around 50. South winds 8 to 15 mph. .FRIDAY...Rain. Lows 37 to 47. Highs in the upper 40s. South winds 9 to 13 mph. .SATURDAY...Showers. Lows 33 to 43. Highs 45 to 55. South winds 5 to 8 mph. .SUNDAY...Rain. Lows 37 to 47. Highs 46 to 56. .MONDAY...Rain. Lows 41 to 51. Highs 51 to 61. .8 TO 14 day Outlook for Mar 25 - 31 2025 Above normal temperatures and above normal precipitation. $$ WAZ654-182315- Central and South Puget Sound Lowlands- 338 AM PDT Tue Mar 18 2025 .TODAY... * Sky/weather..........Mostly sunny. Chance of rain showers in the afternoon. * Chance of precip.....0% increasing to 40% in the afternoon. * Max temperature......40-50. * Min humidity.........62-77 percent. * 20-foot winds........Light winds becoming south around 6 mph in the afternoon. * Mixing height........700 ft AGL increasing to 3300 ft AGL in the afternoon. * Transport winds......Southwest 5 to 10 mph. .TONIGHT... * Sky/weather..........Mostly cloudy. Chance of rain showers through the night. * Chance of precip.....50%. * Min temperature......32-42. * Max humidity.........82-97 percent. * 20-foot winds........South winds 4 to 7 mph. * Mixing height........600-1200 ft AGL. * Transport winds......South around 10 mph. .WEDNESDAY... * Sky/weather..........Mostly cloudy. Chance of rain in the morning, then rain in the afternoon. * Chance of precip.....70%. * Max temperature......41-51. * Min humidity.........69-84 percent. * 20-foot winds........South winds 6 to 11 mph. * Mixing height........900-1900 ft AGL. * Transport winds......South 10 to 15 mph. .THURSDAY...Showers. Lows 36 to 46. Highs around 50. Southwest winds 7 to 13 mph. .FRIDAY...Rain. Lows in the lower 40s. Highs around 50. South winds 9 to 12 mph. .SATURDAY...Showers. Lows 33 to 43. Highs in the lower 50s. Southwest winds 5 to 9 mph. .SUNDAY...Rain. Lows in the lower 40s. Highs in the lower 50s. .MONDAY...Rain. Lows in the upper 40s. Highs in the upper 50s. .8 TO 14 day Outlook for Mar 25 - 31 2025 Above normal temperatures and above normal precipitation. $$ WAZ655-182315- Black Hills and Southwest Interior Lowlands- 338 AM PDT Tue Mar 18 2025 .TODAY... * Sky/weather..........Mostly sunny then becoming mostly cloudy. Chance of rain showers through the day. * Chance of precip.....50%. * Max temperature......39-49. * Min humidity.........69-84 percent. * 20-foot winds........Light winds becoming south around 4 mph in the afternoon. * Mixing height........1400-2400 ft AGL. * Transport winds......Southwest 5 to 10 mph. .TONIGHT... * Sky/weather..........Mostly cloudy. Chance of rain showers. * Chance of precip.....50%. * Min temperature......29-39. * Max humidity.........81-96 percent. * 20-foot winds........Southeast winds 4 to 7 mph. * Mixing height........700-1200 ft AGL. * Transport winds......South around 10 mph. .WEDNESDAY... * Sky/weather..........Mostly cloudy. Rain. * Chance of precip.....90%. * Max temperature......42-52. * Min humidity.........68-83 percent. * 20-foot winds........Southeast winds 7 to 14 mph with gusts to around 30 mph. * Mixing height........1100-2100 ft AGL. * Transport winds......Southeast 10 to 15 mph. .THURSDAY...Showers. Lows in the upper 30s. Highs in the upper 40s. Southwest winds 6 to 13 mph. .FRIDAY...Rain. Lows in the lower 40s. Highs in the upper 40s. Southwest winds 7 to 10 mph. .SATURDAY...Showers. Lows in the upper 30s. Highs around 50. Southwest winds 3 to 8 mph. .SUNDAY...Rain. Lows around 40. Highs in the lower 50s. .MONDAY...Rain. Lows in the mid 40s. Highs in the upper 50s. .8 TO 14 day Outlook for Mar 25 - 31 2025 Above normal temperatures and above normal precipitation. $$ WAZ656-182315- Northeast Puget Sound Lowlands Generally Below 1500 Feet- 338 AM PDT Tue Mar 18 2025 .TODAY... * Sky/weather..........Partly sunny. Slight chance of rain showers. * Chance of precip.....20%. * Max temperature......36-46. * Min humidity.........59-74 percent. * 20-foot winds........Light winds becoming south around 4 mph in the afternoon. * Mixing height........1400 ft AGL increasing to 4400 ft AGL in the afternoon. * Transport winds......Southwest 5 to 10 mph. .TONIGHT... * Sky/weather..........Mostly cloudy. Slight chance of rain showers in the evening. Chance of rain after midnight. * Chance of precip.....30%. * Min temperature......28-38. * Max humidity.........74-89 percent. * 20-foot winds........Southeast winds 4 to 7 mph. * Mixing height........1000-1800 ft AGL. * Transport winds......Southeast around 10 mph. .WEDNESDAY... * Sky/weather..........Mostly cloudy. Chance of rain in the morning, then rain in the afternoon. * Chance of precip.....70%. * Max temperature......40-50. * Min humidity.........60-75 percent. * 20-foot winds........Southeast winds 9 to 12 mph with gusts to around 30 mph. * Mixing height........1300-2300 ft AGL. * Transport winds......Southeast 10 to 15 mph. .THURSDAY...Showers. Lows in the upper 30s. Highs 43 to 53. South winds 6 to 13 mph. .FRIDAY...Rain. Lows 36 to 46. Highs 42 to 52. South winds 7 to 10 mph. .SATURDAY...Showers. Lows in the upper 30s. Highs 44 to 54. South winds 3 to 6 mph. .SUNDAY...Rain. Lows 34 to 44. Highs 44 to 54. .MONDAY...Rain. Lows 40 to 50. Highs 51 to 61. .8 TO 14 day Outlook for Mar 25 - 31 2025 Above normal temperatures and above normal precipitation. $$ WAZ657-182315- Southeast Puget Sound Lowlands Generally Below 1500 Feet- 338 AM PDT Tue Mar 18 2025 .TODAY... * Sky/weather..........Partly sunny. Chance of rain showers in the afternoon. * Chance of precip.....10% increasing to 30% in the afternoon. * Max temperature......39-49. * Min humidity.........65-80 percent. * 20-foot winds........Light winds becoming southwest around 4 mph in the afternoon. * Mixing height........1200 ft AGL increasing to 3900 ft AGL in the afternoon. * Transport winds......Southwest 5 to 10 mph. .TONIGHT... * Sky/weather..........Mostly cloudy. Chance of rain showers in the evening. Chance of rain after midnight. * Chance of precip.....25%. * Min temperature......31-41. * Max humidity.........81-96 percent. * 20-foot winds........Southeast winds 4 to 7 mph. * Mixing height........600-1300 ft AGL. * Transport winds......South around 10 mph. .WEDNESDAY... * Sky/weather..........Mostly cloudy. Chance of rain in the morning, then rain likely in the afternoon. * Chance of precip.....50%. * Max temperature......43-53. * Min humidity.........61-76 percent. * 20-foot winds........Southeast winds 7 to 12 mph. * Mixing height........800-1800 ft AGL. * Transport winds......Southeast 10 to 15 mph. .THURSDAY...Showers. Lows 35 to 45. Highs 44 to 54. Southwest winds 6 to 12 mph. .FRIDAY...Rain. Lows in the lower 40s. Highs 44 to 54. South winds 6 to 9 mph. .SATURDAY...Showers. Lows in the upper 30s. Highs around 50. Southwest winds 4 to 8 mph. .SUNDAY...Rain. Lows 36 to 46. Highs in the lower 50s. .MONDAY...Rain. Lows in the upper 40s. Highs in the upper 50s. .8 TO 14 day Outlook for Mar 25 - 31 2025 Above normal temperatures and above normal precipitation. $$ WAZ658-182315- West Slopes of the North Cascades Generally above 1500 Feet- 338 AM PDT Tue Mar 18 2025 .TODAY... * Sky/weather..........Partly sunny. Chance of snow showers. * Chance of precip.....50%. * Max temperature......32-42...except 25-35 ridges. * Min humidity.........59-74 percent. * 20-foot winds........ * Valleys/lwr slopes..Upslope/upvalley 2 to 4 mph. * Ridges/upr slopes...Southwest winds 5 to 8 mph. * Snow level...........1500 feet. * Mixing height........1000 ft AGL increasing to 3100 ft AGL in the afternoon. * Transport winds......West 5 to 10 mph. .TONIGHT... * Sky/weather..........Partly cloudy then becoming mostly cloudy. Slight chance of snow showers in the evening. Chance of snow after midnight. * Chance of precip.....25%. * Min temperature......23-33...except 16-26 ridges. * Max humidity.........69-84 percent. * 20-foot winds........ * Valleys/lwr slopes..Downslope/downvalley around 5 mph. * Ridges/upr slopes...South winds 6 to 9 mph. * Snow level...........1500 feet. * Mixing height........500-1200 ft AGL. * Transport winds......South around 10 mph. .WEDNESDAY... * Sky/weather..........Mostly cloudy. Chance of snow in the morning, then snow and rain in the afternoon. * Chance of precip.....75%. * Max temperature......36-46...except 29-39 ridges. * Min humidity.........62-77 percent. * 20-foot winds........ * Valleys/lwr slopes..Southeast winds 9 to 12 mph with gusts to around 30 mph. * Ridges/upr slopes...Southeast winds 9 to 13 mph with gusts to around 35 mph. * Snow level...........2500 feet. * Mixing height........600-1600 ft AGL. * Transport winds......Southeast 15 to 20 mph. .THURSDAY...Snow showers and rain. Snow level 2500 feet. Lows 27 to 37. Highs 36 to 46 valleys...in the lower 30s ridges. Southwest winds 8 to 14 mph. .FRIDAY...Snow and rain. Snow level 3000 feet. Lows 27 to 37. Highs 36 to 46 valleys...29 to 39 ridges. South winds 8 to 11 mph. .SATURDAY...showers. Snow level 2000 feet. Lows 25 to 35. Highs 37 to 47 valleys...29 to 39 ridges. Southwest winds 6 to 10 mph. .SUNDAY...Rain and snow. Snow level 3500 feet. Lows 26 to 36. Highs 35 to 45. .MONDAY...Rain and snow. Snow level 6500 feet. Lows 33 to 43. Highs 44 to 54 valleys...37 to 47 ridges. .8 TO 14 day Outlook for Mar 25 - 31 2025 Above normal temperatures and above normal precipitation. $$ WAZ659-182315- West Slopes of the Central Cascades Generally above 1500 Feet- 338 AM PDT Tue Mar 18 2025 .TODAY... * Sky/weather..........Partly sunny. Chance of snow showers through the day. Chance of rain showers in the afternoon. * Chance of precip.....50%. * Max temperature......33-43...except 26-36 ridges. * Min humidity.........67-82 percent. * 20-foot winds........ * Valleys/lwr slopes..Upslope/upvalley 3 to 5 mph. * Ridges/upr slopes...Southwest winds 4 to 7 mph. * Snow level...........2000 feet. * Mixing height........1400-2400 ft AGL. * Transport winds......West around 10 mph. .TONIGHT... * Sky/weather..........Mostly cloudy. Chance of snow showers and rain showers in the evening. * Chance of precip.....30% decreasing to 10% after midnight. * Min temperature......26-36...except 19-29 ridges. * Max humidity.........74-89 percent. * 20-foot winds........ * Valleys/lwr slopes..Southeast winds 4 to 7 mph. * Ridges/upr slopes...Southeast winds 4 to 7 mph. Gusts up to 25 mph after midnight. * Snow level...........2500 feet. * Mixing height........500-1100 ft AGL. * Transport winds......South around 10 mph. .WEDNESDAY... * Sky/weather..........Mostly cloudy. Chance of snow and rain in the morning, then snow and rain in the afternoon. * Chance of precip.....65%. * Max temperature......37-47...except 30-40 ridges. * Min humidity.........67-82 percent. * 20-foot winds........ * Valleys/lwr slopes..Southeast winds 9 to 13 mph with gusts to around 30 mph. * Ridges/upr slopes...Southeast winds 9 to 14 mph with gusts to around 35 mph. * Snow level...........2500 feet. * Mixing height........600-1600 ft AGL. * Transport winds......Southeast 15 to 20 mph. .THURSDAY...showers. Snow level 3000 feet. Lows 28 to 38. Highs 36 to 46 valleys...29 to 39 ridges. Southwest winds 8 to 12 mph. .FRIDAY...Snow and rain. Snow level 3500 feet. Lows 30 to 40. Highs 37 to 47 valleys...30 to 40 ridges. Southwest winds 7 to 11 mph. .SATURDAY...showers. Snow level 2500 feet. Lows 27 to 37. Highs 37 to 47 valleys...in the mid 30s ridges. Southwest winds 6 to 11 mph. .SUNDAY...Rain and snow. Snow level 4500 feet. Lows 29 to 39. Highs 38 to 48. .MONDAY...Rain. Snow level 7500 feet. Lows 35 to 45. Highs 49 to 59 valleys...41 to 51 ridges. .8 TO 14 day Outlook for Mar 25 - 31 2025 Above normal temperatures and above normal precipitation. $$ www.weather.gov/seattle