


Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Seattle/Tacoma, WA
Issued by NWS Seattle/Tacoma, WA
548 FNUS56 KSEW 132121 FWFSEW Fire Weather Planning Forecast for Western Washington National Weather Service Seattle WA 221 PM PDT Wed Aug 13 2025 .DISCUSSION...A trough will continue to produce onshore flow for cooler temperatures and good to excellent relative humidity recoveries. Rainfall chances increase beginning later on Thursday. Confidence remains high that a frontal system will produce wetting rains across the entirety of the region Friday into early Saturday. Drier conditions and moderating temperatures will develop early next week. Forecast for 20 foot wind speed (valleys and ridge tops) are 10 minute averages reflecting RAWS winds. WAZ649-141115- North and Central Coastal Strip- 221 PM PDT Wed Aug 13 2025 .Tonight... * Sky/weather...........Mostly cloudy. Patchy dense fog after midnight. * Min temperature.......Around 55. * Max humidity..........89-near 100 percent. * 20-foot winds......... * Valleys/lwr slopes..Northwest winds 3 to 6 mph. * Ridges/upr slopes...Northwest winds 3 to 6 mph. * Mixing height.........500-900 ft AGL. * Transport winds.......Northwest around 10 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...1 percent. .THURSDAY... * Sky/weather...........Mostly cloudy. Patchy dense fog in the morning. Rain in the afternoon. * Max temperature.......58-68. * Min humidity..........76-91 percent. * 20-foot winds......... * Valleys/lwr slopes..South winds 3 to 6 mph. * Ridges/upr slopes...South winds 3 to 6 mph. * Mixing height.........800-1300 ft AGL. * Transport winds.......South 5 to 10 mph. * CWR (>0.25)...........20 percent. * Chance of Lightning...2 percent. .THURSDAY NIGHT... * Sky/weather...........Cloudy. Rain. * Min temperature.......53-63. * Max humidity..........95-100 percent. * 20-foot winds......... * Valleys/lwr slopes..South winds 5 to 8 mph. * Ridges/upr slopes...South winds 6 to 9 mph. * Mixing height.........500-800 ft AGL. * Transport winds.......South around 15 mph. * CWR (>0.25)...........95 percent. * Chance of Lightning...4 percent. .FRIDAY... * Sky/weather...........Cloudy. Rain. * Max temperature.......58-68. * Min humidity..........85-100 percent. * 20-foot winds......... * Valleys/lwr slopes..South winds 8 to 13 mph. Gusts up to 25 mph in the afternoon. * Ridges/upr slopes...South winds 8 to 14 mph with gusts to around 25 mph. * Mixing height.........700-900 ft AGL. * Transport winds.......South around 20 mph. * CWR (>0.25)...........100 percent. * Chance of Lightning...8 percent. .FRIDAY NIGHT...Rain in the evening, then rain likely after midnight. Lows in the upper 50s. Southwest winds 5 to 10 mph. .SATURDAY...Rain likely. Highs 62 to 72. South winds 4 to 7 mph. .SATURDAY NIGHT...Mostly cloudy with a chance of rain. Lows in the mid 50s. South winds around 3 mph. .SUNDAY...Partly sunny with a chance of rain. Highs 62 to 72. South winds around 4 mph. .SUNDAY NIGHT...Mostly cloudy with slight chance of rain. Lows in the mid 50s. Light winds. .MONDAY...Mostly cloudy. Chance of rain in the morning, then slight chance of rain in the afternoon. Highs 62 to 72. South winds around 3 mph. .TUESDAY...Mostly cloudy. Slight chance of rain. Lows in the mid 50s. Highs 63 to 73. .WEDNESDAY...Mostly cloudy. Lows in the mid 50s. Highs 63 to 73. .8 TO 14 day Outlook for Aug 21 - 27 2025 Above normal temperatures and below normal precipitation. $$ WAZ650-141115- North Coastal Lowlands- 221 PM PDT Wed Aug 13 2025 .Tonight... * Sky/weather...........Mostly cloudy. Patchy dense fog after midnight. * Min temperature.......47-57. * Max humidity..........82-97 percent. * 20-foot winds......... * Valleys/lwr slopes..West winds 3 to 5 mph. * Ridges/upr slopes...West winds 3 to 5 mph. * Mixing height.........800-1400 ft AGL. * Transport winds.......West 5 to 10 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...1 percent. .THURSDAY... * Sky/weather...........Partly sunny. Patchy dense fog in the morning. Rain in the afternoon. * Max temperature.......58-68...except 55-65 ridges. * Min humidity..........69-84 percent...except 75-87 percent ridges. * 20-foot winds......... * Valleys/lwr slopes..Light winds becoming south around 4 mph in the afternoon. * Ridges/upr slopes...South winds 3 to 6 mph. * Mixing height.........1100-1700 ft AGL. * Transport winds.......Southwest 5 to 10 mph. * CWR (>0.25)...........20 percent. * Chance of Lightning...2 percent. .THURSDAY NIGHT... * Sky/weather...........Cloudy. Rain. * Min temperature.......51-61. * Max humidity..........91-100 percent. * 20-foot winds......... * Valleys/lwr slopes..South winds 4 to 7 mph. * Ridges/upr slopes...South winds 5 to 8 mph. * Mixing height.........800-1100 ft AGL. * Transport winds.......South 10 to 15 mph. * CWR (>0.25)...........95 percent. * Chance of Lightning...3 percent. .FRIDAY... * Sky/weather...........Cloudy. Rain. * Max temperature.......58-68. * Min humidity..........85-100 percent. * 20-foot winds......... * Valleys/lwr slopes..South winds 6 to 10 mph. Gusts up to 25 mph in the afternoon. * Ridges/upr slopes...South winds 6 to 12 mph with gusts to around 25 mph. * Mixing height.........1000-1300 ft AGL. * Transport winds.......South 15 to 20 mph. * CWR (>0.25)...........100 percent. * Chance of Lightning...8 percent. .FRIDAY NIGHT...Rain. Lows in the upper 50s. Southwest winds 5 to 8 mph. .SATURDAY...Rain in the morning, then rain likely in the afternoon. Highs 62 to 72 valleys...57 to 67 ridges. South winds 3 to 6 mph. .SATURDAY NIGHT...Mostly cloudy with a chance of rain. Patchy fog after midnight. Lows in the mid 50s. South winds around 3 mph. .SUNDAY...Partly sunny with a chance of rain. Highs 63 to 73. South winds around 3 mph. .SUNDAY NIGHT...Mostly cloudy with slight chance of rain. Patchy fog after midnight. Lows in the lower 50s. Light winds. .MONDAY...Partly sunny with a chance of rain. Highs 64 to 74 valleys...59 to 69 ridges. Light winds. .TUESDAY...Mostly cloudy. Slight chance of rain. Patchy fog after midnight. Lows in the lower 50s. Highs 65 to 75. .WEDNESDAY...Partly cloudy. Patchy fog. Lows in the lower 50s. Highs 66 to 76 valleys...61 to 71 ridges. .8 TO 14 day Outlook for Aug 21 - 27 2025 Above normal temperatures and below normal precipitation. $$ WAZ651-141115- Central Coastal Lowlands- 221 PM PDT Wed Aug 13 2025 .Tonight... * Sky/weather...........Mostly cloudy. * Min temperature.......48-58. * Max humidity..........84-near 100 percent. * 20-foot winds......... * Valleys/lwr slopes..West winds 5 to 8 mph. * Ridges/upr slopes...West winds 5 to 8 mph. * Mixing height.........600-1600 ft AGL. * Transport winds.......West 10 to 15 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...1 percent. .THURSDAY... * Sky/weather...........Partly sunny. Chance of rain in the afternoon. * Max temperature.......59-69. * Min humidity..........66-81 percent...except 75-85 percent ridges. * 20-foot winds......... * Valleys/lwr slopes..Southwest winds 3 to 6 mph. * Ridges/upr slopes...Southwest winds 3 to 6 mph. * Mixing height.........1200-2200 ft AGL. * Transport winds.......Southwest 5 to 10 mph. * CWR (>0.25)...........10 percent. * Chance of Lightning...2 percent. .THURSDAY NIGHT... * Sky/weather...........Cloudy. Rain. * Min temperature.......51-61. * Max humidity..........100 percent. * 20-foot winds......... * Valleys/lwr slopes..South winds 3 to 6 mph. * Ridges/upr slopes...South winds 4 to 7 mph. * Mixing height.........800-1300 ft AGL. * Transport winds.......South around 10 mph. * CWR (>0.25)...........80 percent. * Chance of Lightning...3 percent. .FRIDAY... * Sky/weather...........Cloudy. Rain. * Max temperature.......60-70. * Min humidity..........86-100 percent. * 20-foot winds......... * Valleys/lwr slopes..South winds 6 to 10 mph. * Ridges/upr slopes...South winds 6 to 10 mph. * Mixing height.........1000-1500 ft AGL. * Transport winds.......South around 15 mph. * CWR (>0.25)...........100 percent. * Chance of Lightning...5 percent. .FRIDAY NIGHT...Rain in the evening, then rain likely after midnight. Lows in the upper 50s. Southwest winds 5 to 8 mph. .SATURDAY...Rain likely. Highs 65 to 75 valleys...58 to 68 ridges. Southwest winds 4 to 7 mph. .SATURDAY NIGHT...Mostly cloudy with a chance of rain. Patchy fog after midnight. Lows in the mid 50s. Light winds. .SUNDAY...Partly sunny with a chance of rain. Highs 66 to 76 valleys...60 to 70 ridges. Light winds. .SUNDAY NIGHT...Mostly cloudy. Slight chance of rain after midnight. Patchy fog after midnight. Lows in the lower 50s. Light winds. .MONDAY...Patchy fog in the morning. Mostly cloudy with slight chance of rain. Highs 67 to 77 valleys...61 to 71 ridges. Light winds. .TUESDAY...Mostly cloudy. Patchy fog. Lows in the lower 50s. Highs 70 to 80 valleys...64 to 74 ridges. .WEDNESDAY...Partly cloudy. Patchy fog. Lows in the lower 50s. Highs 69 to 79 valleys...64 to 74 ridges. .8 TO 14 day Outlook for Aug 21 - 27 2025 Above normal temperatures and below normal precipitation. $$ WAZ652-141115- West Portion of the Olympic Mountains- 221 PM PDT Wed Aug 13 2025 .Tonight... * Sky/weather...........Partly cloudy then becoming mostly cloudy. Patchy dense fog after midnight. * Min temperature.......43-53. * Max humidity..........78-93 percent. * 20-foot winds......... * Valleys/lwr slopes..Downslope/downvalley 4 to 5 mph. * Ridges/upr slopes...West winds 4 to 7 mph. * Mixing height.........400-900 ft AGL. * Transport winds.......West 5 to 10 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...0 percent. * Freezing level........14000 Feet. .THURSDAY... * Sky/weather...........Partly sunny. Rain in the afternoon. * Max temperature.......56-66...except 52-62 ridges. * Min humidity..........64-79 percent. * 20-foot winds......... * Valleys/lwr slopes..Upslope/upvalley 3 to 5 mph. * Ridges/upr slopes...Southwest winds 3 to 6 mph. * Mixing height.........600-1200 ft AGL. * Transport winds.......Southwest 5 to 10 mph. * CWR (>0.25)...........15 percent. * Chance of Lightning...1 percent. * Freezing level........12500 Feet. .THURSDAY NIGHT... * Sky/weather...........Cloudy. Rain. * Min temperature.......45-55. * Max humidity..........85-100 percent. * 20-foot winds......... * Valleys/lwr slopes..South winds 4 to 7 mph. * Ridges/upr slopes...South winds 4 to 7 mph. * Mixing height.........400-700 ft AGL. * Transport winds.......South around 10 mph. * CWR (>0.25)...........95 percent. * Chance of Lightning...3 percent. * Freezing level........12500 Feet. .FRIDAY... * Sky/weather...........Cloudy. Rain. * Max temperature.......56-66...except 52-62 ridges. * Min humidity..........80-95 percent. * 20-foot winds......... * Valleys/lwr slopes..South winds 7 to 10 mph. * Ridges/upr slopes...South winds 7 to 10 mph. * Mixing height.........500-900 ft AGL. * Transport winds.......South 15 to 20 mph. * CWR (>0.25)...........100 percent. * Chance of Lightning...6 percent. * Freezing level........12500 Feet. .FRIDAY NIGHT...Rain. Freezing level 12000 feet. Lows 49 to 59. Southwest winds 7 to 10 mph. .SATURDAY...Rain in the morning, then rain likely in the afternoon. Freezing level 10500 feet. Highs 57 to 67 valleys...51 to 61 ridges. Southwest winds 5 to 8 mph. .SATURDAY NIGHT...Mostly cloudy with a chance of rain. Freezing level 11500 feet. Lows 46 to 56. Southwest winds around 3 mph. .SUNDAY...Partly sunny with a chance of rain. Freezing level 11000 feet. Highs 59 to 69 valleys...53 to 63 ridges. South winds around 3 mph. .SUNDAY NIGHT...Mostly cloudy with slight chance of rain. Freezing level 11500 feet. Lows 46 to 56. Light winds. .MONDAY...Partly sunny with slight chance of rain. Freezing level 10500 feet. Highs 59 to 69 valleys...54 to 64 ridges. Southwest winds around 3 mph. .TUESDAY...Partly cloudy. Slight chance of rain. Freezing level 10500 feet. Lows in the lower 50s. Highs 62 to 72 valleys...56 to 66 ridges. .WEDNESDAY...Partly cloudy. Freezing level 11500 feet. Lows in the lower 50s. Highs 62 to 72 valleys...57 to 67 ridges. .8 TO 14 day Outlook for Aug 21 - 27 2025 Above normal temperatures and below normal precipitation. $$ WAZ661-141115- East Portion of the Olympic Mountains- 221 PM PDT Wed Aug 13 2025 .Tonight... * Sky/weather...........Partly cloudy then becoming mostly cloudy. * Min temperature.......46-56...except 43-53 ridges. * Max humidity..........78-93 percent. * 20-foot winds......... * Valleys/lwr slopes..West winds 4 to 7 mph. * Ridges/upr slopes...West winds 4 to 7 mph. * Mixing height.........400-1100 ft AGL. * Transport winds.......West 5 to 10 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...1 percent. * Freezing level........14000 Feet. .THURSDAY... * Sky/weather...........Partly sunny. Chance of rain in the afternoon. * Max temperature.......58-68...except 52-62 ridges. * Min humidity..........62-77 percent. * 20-foot winds......... * Valleys/lwr slopes..Southwest winds 4 to 7 mph. * Ridges/upr slopes...Southwest winds 4 to 7 mph. * Mixing height.........700-1300 ft AGL. * Transport winds.......Southwest around 5 mph. * CWR (>0.25)...........5 percent. * Chance of Lightning...1 percent. * Freezing level........12500 Feet. .THURSDAY NIGHT... * Sky/weather...........Mostly cloudy. Rain likely in the evening, then rain after midnight. * Min temperature.......48-58...except 45-55 ridges. * Max humidity..........81-96 percent. * 20-foot winds......... * Valleys/lwr slopes..Downslope/downvalley around 5 mph. * Ridges/upr slopes...South winds 4 to 7 mph. * Mixing height.........400-700 ft AGL. * Transport winds.......Southwest 10 to 15 mph. * CWR (>0.25)...........60 percent. * Chance of Lightning...3 percent. * Freezing level........12500 Feet. .FRIDAY... * Sky/weather...........Cloudy. Rain. * Max temperature.......57-67...except 52-62 ridges. * Min humidity..........79-94 percent. * 20-foot winds......... * Valleys/lwr slopes..South winds 7 to 10 mph. * Ridges/upr slopes...South winds 7 to 10 mph. * Mixing height.........600-1300 ft AGL. * Transport winds.......Southwest around 20 mph. * CWR (>0.25)...........90 percent. * Chance of Lightning...6 percent. * Freezing level........12500 Feet. .FRIDAY NIGHT...Rain. Freezing level 12000 feet. Lows 47 to 57. Southwest winds 7 to 10 mph. .SATURDAY...Rain likely. Freezing level 10500 feet. Highs 59 to 69 valleys...51 to 61 ridges. Southwest winds 5 to 8 mph. .SATURDAY NIGHT...Mostly cloudy with a chance of rain. Freezing level 11500 feet. Lows 45 to 55. West winds around 4 mph. .SUNDAY...Partly sunny with a chance of rain. Freezing level 11500 feet. Highs 60 to 70 valleys...52 to 62 ridges. Southwest winds around 3 mph. .SUNDAY NIGHT...Mostly cloudy. Slight chance of rain after midnight. Freezing level 11500 feet. Lows 44 to 54. West winds around 3 mph. .MONDAY...Partly sunny with slight chance of rain. Freezing level 10500 feet. Highs 61 to 71 valleys...53 to 63 ridges. Southwest winds around 3 mph. .TUESDAY...Partly cloudy. Freezing level 10500 feet. Lows 45 to 55. Highs 63 to 73 valleys...54 to 64 ridges. .WEDNESDAY...Partly cloudy. Freezing level 11500 feet. Lows 45 to 55. Highs 63 to 73 valleys...55 to 65 ridges. .8 TO 14 day Outlook for Aug 21 - 27 2025 Above normal temperatures and below normal precipitation. $$ WAZ653-141115- Strait of Juan De Fuca and Northwest Interior Lowlands- 221 PM PDT Wed Aug 13 2025 .Tonight... * Sky/weather...........Mostly cloudy. * Min temperature.......50-60. * Max humidity..........79-94 percent. * 20-foot winds.........West winds 5 to 8 mph. * Mixing height.........600-700 ft AGL. * Transport winds.......West 10 to 15 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...2 percent. .THURSDAY... * Sky/weather...........Partly sunny. Slight chance of rain in the afternoon. * Max temperature.......62-72. * Min humidity..........65-80 percent. * 20-foot winds.........Southwest winds 4 to 7 mph. * Mixing height.........800-1300 ft AGL. * Transport winds.......South around 10 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...1 percent. .THURSDAY NIGHT... * Sky/weather...........Cloudy. Chance of rain in the evening, then rain after midnight. * Min temperature.......51-61. * Max humidity..........85-100 percent. * 20-foot winds.........Southeast winds 3 to 6 mph. * Mixing height.........500-700 ft AGL. * Transport winds.......Southeast around 10 mph. * CWR (>0.25)...........45 percent. * Chance of Lightning...3 percent. .FRIDAY... * Sky/weather...........Cloudy. Rain. * Max temperature.......62-72. * Min humidity..........77-92 percent. * 20-foot winds.........Southeast winds 8 to 14 mph with gusts to around 25 mph. * Mixing height.........800-1200 ft AGL. * Transport winds.......South around 20 mph. * CWR (>0.25)...........75 percent. * Chance of Lightning...6 percent. .FRIDAY NIGHT...Rain. Lows 53 to 63. South winds 7 to 12 mph. .SATURDAY...Rain in the morning, then rain likely in the afternoon. Highs 65 to 75. South winds 5 to 8 mph. .SATURDAY NIGHT...Mostly cloudy with a chance of rain. Lows 50 to 60. Southwest winds around 3 mph. .SUNDAY...Partly sunny with a chance of rain. Highs 66 to 76. South winds around 4 mph. .SUNDAY NIGHT...Mostly cloudy. Lows 50 to 60. Southwest winds around 3 mph. .MONDAY...Partly sunny with slight chance of rain. Highs 66 to 76. South winds around 3 mph. .TUESDAY...Mostly cloudy. Lows in the mid 50s. Highs 67 to 77. .WEDNESDAY...Partly cloudy. Lows in the mid 50s. Highs 67 to 77. .8 TO 14 day Outlook for Aug 21 - 27 2025 Above normal temperatures and below normal precipitation. $$ WAZ654-141115- Central and South Puget Sound Lowlands- 221 PM PDT Wed Aug 13 2025 .Tonight... * Sky/weather...........Partly cloudy then becoming mostly cloudy. * Min temperature.......52-62. * Max humidity..........81-96 percent. * 20-foot winds.........South winds 6 to 9 mph. Gusts up to 25 mph in the evening. * Mixing height.........800-1800 ft AGL. * Transport winds.......South 5 to 10 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...1 percent. .THURSDAY... * Sky/weather...........Partly sunny. Slight chance of rain in the afternoon. * Max temperature.......63-73. * Min humidity..........59-74 percent. * 20-foot winds.........Southwest winds 6 to 9 mph. * Mixing height.........1700-2700 ft AGL. * Transport winds.......Southwest 10 to 15 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...1 percent. .THURSDAY NIGHT... * Sky/weather...........Mostly cloudy. Chance of rain in the evening, then rain after midnight. * Min temperature.......53-63. * Max humidity..........87-100 percent. * 20-foot winds.........South winds 7 to 10 mph. * Mixing height.........900-1400 ft AGL. * Transport winds.......South 10 to 15 mph. * CWR (>0.25)...........45 percent. * Chance of Lightning...3 percent. .FRIDAY... * Sky/weather...........Cloudy. Rain. * Max temperature.......61-71. * Min humidity..........74-89 percent. * 20-foot winds.........South winds 9 to 15 mph. Gusts up to 25 mph in the afternoon. * Mixing height.........1200-1800 ft AGL. * Transport winds.......South around 20 mph. * CWR (>0.25)...........75 percent. * Chance of Lightning...5 percent. .FRIDAY NIGHT...Rain. Lows 54 to 64. South winds 10 to 14 mph. .SATURDAY...Rain likely. Highs in the lower 70s. Southwest winds 8 to 11 mph. .SATURDAY NIGHT...Mostly cloudy. Chance of rain in the evening, then slight chance of rain after midnight. Lows in the mid 50s. Southwest winds around 5 mph. .SUNDAY...Partly sunny. Slight chance of rain in the morning, then chance of rain in the afternoon. Highs in the mid 70s. Southwest winds around 4 mph. .SUNDAY NIGHT...Partly cloudy. Lows in the mid 50s. Southwest winds around 3 mph. .MONDAY...Partly sunny. Highs in the mid 70s. Southwest winds around 3 mph. .TUESDAY...Partly cloudy. Lows 50 to 60. Highs in the mid 70s. .WEDNESDAY...Partly cloudy. Lows in the mid 50s. Highs 71 to 81. .8 TO 14 day Outlook for Aug 21 - 27 2025 Above normal temperatures and below normal precipitation. $$ WAZ655-141115- Black Hills and Southwest Interior Lowlands- 221 PM PDT Wed Aug 13 2025 .Tonight... * Sky/weather...........Partly cloudy then becoming mostly cloudy. * Min temperature.......49-59. * Max humidity..........81-96 percent. * 20-foot winds.........West winds 6 to 9 mph. * Mixing height.........1100-2100 ft AGL. * Transport winds.......West 10 to 15 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...1 percent. .THURSDAY... * Sky/weather...........Partly sunny. Chance of rain in the afternoon. * Max temperature.......63-73. * Min humidity..........57-72 percent. * 20-foot winds.........Southwest winds 4 to 7 mph. * Mixing height.........1900-2900 ft AGL. * Transport winds.......Southwest around 10 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...2 percent. .THURSDAY NIGHT... * Sky/weather...........Mostly cloudy. Chance of rain in the evening, then rain after midnight. * Min temperature.......53-63. * Max humidity..........88-100 percent. * 20-foot winds.........Southwest winds 3 to 6 mph. * Mixing height.........900-1500 ft AGL. * Transport winds.......Southwest 10 to 15 mph. * CWR (>0.25)...........50 percent. * Chance of Lightning...3 percent. .FRIDAY... * Sky/weather...........Cloudy. Rain. * Max temperature.......60-70. * Min humidity..........80-95 percent. * 20-foot winds.........South winds 6 to 10 mph. * Mixing height.........1200-1800 ft AGL. * Transport winds.......South 15 to 20 mph. * CWR (>0.25)...........75 percent. * Chance of Lightning...5 percent. .FRIDAY NIGHT...Rain. Lows in the upper 50s. Southwest winds 6 to 9 mph. .SATURDAY...Rain likely. Highs in the lower 70s. Southwest winds 4 to 7 mph. .SATURDAY NIGHT...Mostly cloudy. Chance of rain in the evening, then slight chance of rain after midnight. Patchy fog after midnight. Lows in the mid 50s. Light winds. .SUNDAY...Patchy fog in the morning. Partly sunny with slight chance of rain. Highs in the mid 70s. Light winds. .SUNDAY NIGHT...Mostly cloudy. Patchy fog after midnight. Lows in the lower 50s. Light winds. .MONDAY...Partly sunny. Patchy fog in the morning. Highs in the mid 70s. Light winds. .TUESDAY...Partly cloudy. Patchy fog after midnight. Lows in the lower 50s. Highs in the upper 70s. .WEDNESDAY...Partly cloudy. Patchy fog after midnight. Lows in the lower 50s. Highs in the upper 70s. .8 TO 14 day Outlook for Aug 21 - 27 2025 Above normal temperatures and below normal precipitation. $$ WAZ656-141115- Northeast Puget Sound Lowlands Generally Below 1500 Feet- 221 PM PDT Wed Aug 13 2025 .Tonight... * Sky/weather...........Mostly cloudy. Slight chance of rain in the evening. * Min temperature.......47-57. * Max humidity..........82-97 percent. * 20-foot winds.........Southwest winds 3 to 6 mph. * Mixing height.........1300-2100 ft AGL. * Transport winds.......West 5 to 10 mph. * CWR (>0.25)...........5 percent. * Chance of Lightning...6 percent. .THURSDAY... * Sky/weather...........Mostly cloudy. Chance of rain in the afternoon. * Max temperature.......60-70. * Min humidity..........65-80 percent. * 20-foot winds.........Southwest winds 3 to 6 mph. * Mixing height.........2000-3000 ft AGL. * Transport winds.......South 5 to 10 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...3 percent. .THURSDAY NIGHT... * Sky/weather...........Mostly cloudy. Chance of rain in the evening, then rain likely after midnight. * Min temperature.......49-59. * Max humidity..........86-100 percent. * 20-foot winds.........South winds 3 to 6 mph. * Mixing height.........1200-1800 ft AGL. * Transport winds.......South around 10 mph. * CWR (>0.25)...........55 percent. * Chance of Lightning...4 percent. .FRIDAY... * Sky/weather...........Cloudy. Rain. * Max temperature.......59-69. * Min humidity..........82-97 percent. * 20-foot winds.........Southeast winds 6 to 10 mph. * Mixing height.........1500-1900 ft AGL. * Transport winds.......South around 15 mph. * CWR (>0.25)...........85 percent. * Chance of Lightning...5 percent. .FRIDAY NIGHT...Showers and slight chance of thunderstorms in the evening, then rain after midnight. Lows in the upper 50s. South winds 8 to 11 mph. .SATURDAY...Warmer. Rain in the morning, then rain likely in the afternoon. Highs 66 to 76. South winds 5 to 8 mph. .SATURDAY NIGHT...Mostly cloudy with a chance of rain. Lows in the mid 50s. South winds around 3 mph. .SUNDAY...Partly sunny with slight chance of rain. Highs 69 to 79. South winds around 3 mph. .SUNDAY NIGHT...Mostly cloudy. Lows in the mid 50s. South winds around 3 mph. .MONDAY...Partly sunny. Slight chance of rain in the morning. Highs 69 to 79. Light winds. .TUESDAY...Mostly cloudy. Lows in the mid 50s. Highs 71 to 81. .WEDNESDAY...Partly cloudy. Lows in the mid 50s. Highs 70 to 80. .8 TO 14 day Outlook for Aug 21 - 27 2025 Above normal temperatures and below normal precipitation. $$ WAZ657-141115- Southeast Puget Sound Lowlands Generally Below 1500 Feet- 221 PM PDT Wed Aug 13 2025 .Tonight... * Sky/weather...........Mostly cloudy. Slight chance of rain in the evening. * Min temperature.......49-59. * Max humidity..........82-97 percent. * 20-foot winds.........Southwest winds 5 to 8 mph. * Mixing height.........1600-2600 ft AGL. * Transport winds.......Southwest around 10 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...4 percent. .THURSDAY... * Sky/weather...........Partly sunny. Chance of rain in the afternoon. * Max temperature.......65-75. * Min humidity..........56-71 percent. * 20-foot winds.........Southwest winds 4 to 7 mph. * Mixing height.........2400-3400 ft AGL. * Transport winds.......Southwest around 10 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...1 percent. .THURSDAY NIGHT... * Sky/weather...........Mostly cloudy. Chance of rain in the evening, then rain likely after midnight. * Min temperature.......51-61. * Max humidity..........88-100 percent. * 20-foot winds.........Southwest winds 3 to 6 mph. * Mixing height.........1200-1800 ft AGL. * Transport winds.......South 10 to 15 mph. * CWR (>0.25)...........45 percent. * Chance of Lightning...4 percent. .FRIDAY... * Sky/weather...........Cloudy. Rain. * Max temperature.......61-71. * Min humidity..........81-96 percent. * 20-foot winds.........South winds 5 to 9 mph. * Mixing height.........1500-1800 ft AGL. * Transport winds.......South around 15 mph. * CWR (>0.25)...........75 percent. * Chance of Lightning...5 percent. .FRIDAY NIGHT...Rain. Lows around 60. South winds 6 to 9 mph. .SATURDAY...Rain likely. Highs in the lower 70s. Southwest winds 4 to 7 mph. .SATURDAY NIGHT...Mostly cloudy. Chance of rain in the evening, then slight chance of rain after midnight. Patchy fog after midnight. Lows in the mid 50s. Southwest winds around 3 mph. .SUNDAY...Patchy fog in the morning. Partly sunny with slight chance of rain. Highs in the mid 70s. Light winds. .SUNDAY NIGHT...Mostly cloudy. Lows 51 to 61. Light winds. .MONDAY...Partly sunny. Highs in the mid 70s. Light winds. .TUESDAY...Partly cloudy. Lows 50 to 60. Highs in the upper 70s. .WEDNESDAY...Partly cloudy. Lows 50 to 60. Highs in the mid 70s. .8 TO 14 day Outlook for Aug 21 - 27 2025 Above normal temperatures and below normal precipitation. $$ WAZ658-141115- West Slopes of the North Cascades Generally above 1500 Feet- 221 PM PDT Wed Aug 13 2025 .Tonight... * Sky/weather...........Mostly cloudy. Slight chance of rain in the evening. * Min temperature.......48-58...except 43-53 ridges. * Max humidity..........81-96 percent. * 20-foot winds......... * Valleys/lwr slopes..West winds 4 to 8 mph. * Ridges/upr slopes...West winds 4 to 8 mph. * Mixing height.........700-1600 ft AGL. * Transport winds.......West 5 to 10 mph. * CWR (>0.25)...........5 percent. * Chance of Lightning...9 percent. * Freezing level........13000 Feet. .THURSDAY... * Sky/weather...........Partly sunny. Slight chance of rain in the afternoon. * Max temperature.......61-71...except 55-65 ridges. * Min humidity..........62-77 percent. * 20-foot winds......... * Valleys/lwr slopes..Upslope/upvalley 3 to 5 mph. * Ridges/upr slopes...Southwest winds 4 to 7 mph. * Mixing height.........1000-2000 ft AGL. * Transport winds.......Southwest 5 to 10 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...4 percent. * Freezing level........12500 Feet. .THURSDAY NIGHT... * Sky/weather...........Mostly cloudy. Slight chance of rain in the evening, then rain likely after midnight. * Min temperature.......49-59...except 44-54 ridges. * Max humidity..........85-100 percent. * 20-foot winds......... * Valleys/lwr slopes..Downslope/downvalley around 5 mph. * Ridges/upr slopes...South winds 5 to 8 mph. * Mixing height.........700-1300 ft AGL. * Transport winds.......Southwest around 10 mph. * CWR (>0.25)...........45 percent. * Chance of Lightning...3 percent. * Freezing level........12000 Feet. .FRIDAY... * Sky/weather...........Cloudy. Rain. * Max temperature.......59-69...except 51-61 ridges. * Min humidity..........79-94 percent. * 20-foot winds......... * Valleys/lwr slopes..South winds 6 to 9 mph. * Ridges/upr slopes...South winds 6 to 9 mph. * Mixing height.........700-1000 ft AGL. * Transport winds.......South around 15 mph. * CWR (>0.25)...........90 percent. * Chance of Lightning...5 percent. * Freezing level........12000 Feet. .FRIDAY NIGHT...Showers and slight chance of thunderstorms in the evening, then rain after midnight. Freezing level 11500 feet. Lows 52 to 62 valleys...in the lower 50s ridges. Southwest winds 7 to 10 mph. .SATURDAY...Rain in the morning, then rain likely in the afternoon. Freezing level 10000 feet. Highs 59 to 69 valleys...51 to 61 ridges. Southwest winds 6 to 9 mph. .SATURDAY NIGHT...Mostly cloudy. Chance of rain in the evening, then slight chance of rain after midnight. Freezing level 11000 feet. Lows 48 to 58 valleys...43 to 53 ridges. Southwest winds around 4 mph. .SUNDAY...Mostly sunny with slight chance of rain. Freezing level 11500 feet. Highs 63 to 73 valleys...55 to 65 ridges. Southwest winds around 4 mph. .SUNDAY NIGHT...Mostly cloudy. Freezing level 12000 feet. Lows 45 to 55. Southwest winds around 3 mph. .MONDAY...Partly sunny. Freezing level 11000 feet. Highs 64 to 74 valleys...57 to 67 ridges. Southwest winds around 3 mph. .TUESDAY...Mostly cloudy. Freezing level 11000 feet. Lows 45 to 55. Highs 65 to 75 valleys...57 to 67 ridges. .WEDNESDAY...Partly cloudy. Freezing level 11500 feet. Lows in the lower 50s valleys...in the upper 40s ridges. Highs 65 to 75 valleys...57 to 67 ridges. .8 TO 14 day Outlook for Aug 21 - 27 2025 Above normal temperatures and below normal precipitation. $$ WAZ659-141115- West Slopes of the Central Cascades Generally above 1500 Feet- 221 PM PDT Wed Aug 13 2025 .Tonight... * Sky/weather...........Mostly cloudy. Chance of rain in the evening. * Min temperature.......46-56...except 42-52 ridges. * Max humidity..........85-100 percent...except 78-93 percent ridges. * 20-foot winds......... * Valleys/lwr slopes..West winds 5 to 9 mph. * Ridges/upr slopes...West winds 5 to 9 mph. Gusts up to 25 mph in the evening. * Mixing height.........900-1900 ft AGL. * Transport winds.......West 10 to 15 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...3 percent. * Freezing level........14500 Feet. .THURSDAY... * Sky/weather...........Partly sunny. Slight chance of rain in the afternoon. * Max temperature.......62-72...except 55-65 ridges. * Min humidity..........57-72 percent. * 20-foot winds......... * Valleys/lwr slopes..Upslope/upvalley 4 to 5 mph. * Ridges/upr slopes...West winds 4 to 7 mph. * Mixing height.........1300-2300 ft AGL. * Transport winds.......West around 10 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...1 percent. * Freezing level........13500 Feet. .THURSDAY NIGHT... * Sky/weather...........Mostly cloudy. Chance of rain in the evening, then rain likely after midnight. * Min temperature.......49-59...except 44-54 ridges. * Max humidity..........88-100 percent. * 20-foot winds......... * Valleys/lwr slopes..Downslope/downvalley 3 to 4 mph. * Ridges/upr slopes...Southwest winds 3 to 6 mph. * Mixing height.........900-1400 ft AGL. * Transport winds.......Southwest 10 to 15 mph. * CWR (>0.25)...........45 percent. * Chance of Lightning...4 percent. * Freezing level........12500 Feet. .FRIDAY... * Sky/weather...........Cloudy. Rain. * Max temperature.......59-69...except 52-62 ridges. * Min humidity..........74-89 percent. * 20-foot winds......... * Valleys/lwr slopes..South winds 5 to 8 mph. * Ridges/upr slopes...South winds 5 to 8 mph. * Mixing height.........800-1200 ft AGL. * Transport winds.......Southwest 10 to 15 mph. * CWR (>0.25)...........75 percent. * Chance of Lightning...5 percent. * Freezing level........13000 Feet. .FRIDAY NIGHT...Rain. Freezing level 12500 feet. Lows 52 to 62 valleys...in the lower 50s ridges. Southwest winds 5 to 8 mph. .SATURDAY...Mostly cloudy. Rain in the morning, then rain likely in the afternoon. Freezing level 12000 feet. Highs 60 to 70 valleys... 52 to 62 ridges. West winds 4 to 7 mph. .SATURDAY NIGHT...Mostly cloudy. Chance of rain in the evening, then slight chance of rain after midnight. Freezing level 12500 feet. Lows 46 to 56. West winds around 3 mph. .SUNDAY...Mostly sunny with slight chance of rain. Freezing level 12500 feet. Highs 64 to 74 valleys...57 to 67 ridges. Light winds. .SUNDAY NIGHT...Mostly cloudy. Freezing level 12500 feet. Lows 45 to 55. Light winds. .MONDAY...Partly sunny. Freezing level 11500 feet. Highs 65 to 75 valleys...57 to 67 ridges. Light winds. .TUESDAY...Partly cloudy. Freezing level 12000 feet. Lows 45 to 55. Highs 66 to 76 valleys...59 to 69 ridges. .WEDNESDAY...Mostly clear. Freezing level 12500 feet. Lows 44 to 54. Highs 66 to 76 valleys...58 to 68 ridges. .8 TO 14 day Outlook for Aug 21 - 27 2025 Above normal temperatures and below normal precipitation. $$ www.weather.gov/seattle