


Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Seattle/Tacoma, WA
Issued by NWS Seattle/Tacoma, WA
264 FNUS56 KSEW 122130 FWFSEW Fire Weather Planning Forecast for Western Washington National Weather Service Seattle WA 230 PM PDT Tue Aug 12 2025 ...HEAT ADVISORY IN EFFECT UNTIL 10 PM PDT THIS EVENING... .DISCUSSION...Today will be the last and hottest day of the hot, dry conditions this week for interior areas. Troughing will develop on Wednesday for increasing onshore flow across the region which will lead to a steep drop in temperatures and increasing relative humidity. A frontal system late in the week will bring wetting rains to the entirety of the region. Forecast for 20 foot wind speed (valleys and ridge tops) are 10 minute averages reflecting RAWS winds. WAZ649-131145- North and Central Coastal Strip- 230 PM PDT Tue Aug 12 2025 ...HEAT ADVISORY IN EFFECT UNTIL 10 PM PDT THIS EVENING... .Tonight... * Sky/weather...........Partly cloudy. * Min temperature.......53-63. * Max humidity..........90-100 percent. * 20-foot winds......... * Valleys/lwr slopes..Northwest winds 9 to 12 mph. Gusts up to 25 mph in the evening. * Ridges/upr slopes...Northwest winds 7 to 11 mph. Gusts up to 25 mph in the evening. * Mixing height.........500-600 ft AGL. * Transport winds.......Northwest around 15 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...0 percent. .WEDNESDAY... * Sky/weather...........Partly sunny. * Max temperature.......59-69. * Min humidity..........76-91 percent. * 20-foot winds......... * Valleys/lwr slopes..West winds 7 to 10 mph. * Ridges/upr slopes...West winds 7 to 10 mph. * Mixing height.........800-1100 ft AGL. * Transport winds.......West 10 to 15 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...1 percent. .WEDNESDAY NIGHT... * Sky/weather...........Mostly cloudy. * Min temperature.......Around 56. * Max humidity..........89-near 100 percent. * 20-foot winds......... * Valleys/lwr slopes..Northwest winds 6 to 9 mph. * Ridges/upr slopes...Northwest winds 6 to 9 mph. * Mixing height.........500-1100 ft AGL. * Transport winds.......Northwest around 10 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...1 percent. .THURSDAY... * Sky/weather...........Mostly cloudy. Slight chance of showers in the morning, then chance of showers in the afternoon. * Max temperature.......57-67. * Min humidity..........76-91 percent. * 20-foot winds......... * Valleys/lwr slopes..Southwest winds 3 to 6 mph. * Ridges/upr slopes...Southwest winds 3 to 6 mph. * Mixing height.........800-1500 ft AGL. * Transport winds.......West around 5 mph shifting to the south in the afternoon. * CWR (>0.25)...........10 percent. * Chance of Lightning...2 percent. .THURSDAY NIGHT...Cloudy. Chance of rain in the evening, then rain after midnight. Lows in the upper 50s. South winds 4 to 7 mph. .FRIDAY...Rain. Highs in the mid 60s. South winds 6 to 9 mph. .FRIDAY NIGHT...Rain. Lows in the upper 50s. South winds around 6 mph. .SATURDAY...Mostly cloudy. Showers likely in the morning, then chance of showers in the afternoon. Highs in the mid 60s. Southwest winds around 5 mph. .SATURDAY NIGHT...Mostly cloudy with a chance of showers. Lows in the mid 50s. South winds around 3 mph. .SUNDAY...Partly sunny. Chance of showers in the morning, then slight chance of showers in the afternoon. Highs in the mid 60s. South winds around 3 mph. .MONDAY...Mostly cloudy. Slight chance of showers. Lows in the mid 50s. Highs 62 to 72. .TUESDAY...Partly cloudy. Lows in the lower 50s. Highs 63 to 73. .8 TO 14 day Outlook for Aug 20 - 26 2025 Above normal temperatures and near normal precipitation. $$ WAZ650-131145- North Coastal Lowlands- 230 PM PDT Tue Aug 12 2025 ...HEAT ADVISORY IN EFFECT UNTIL 10 PM PDT THIS EVENING... .Tonight... * Sky/weather...........Partly cloudy. * Min temperature.......53-63. * Max humidity..........76-91 percent. * 20-foot winds......... * Valleys/lwr slopes..West winds 6 to 9 mph. * Ridges/upr slopes...West winds 6 to 9 mph. * Mixing height.........700-1000 ft AGL. * Transport winds.......Northwest around 10 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...0 percent. .WEDNESDAY... * Sky/weather...........Mostly sunny. * Max temperature.......62-72...except 58-68 ridges. * Min humidity..........65-80 percent...except 70-85 percent ridges. * 20-foot winds......... * Valleys/lwr slopes..West winds 7 to 10 mph. * Ridges/upr slopes...West winds 7 to 10 mph. * Mixing height.........1000-1700 ft AGL. * Transport winds.......West around 10 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...1 percent. .WEDNESDAY NIGHT... * Sky/weather...........Mostly cloudy. * Min temperature.......48-58. * Max humidity..........80-95 percent. * 20-foot winds......... * Valleys/lwr slopes..West winds 5 to 8 mph. * Ridges/upr slopes...West winds 5 to 8 mph. * Mixing height.........700-1700 ft AGL. * Transport winds.......West 5 to 10 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...1 percent. .THURSDAY... * Sky/weather...........Partly sunny. Slight chance of showers in the morning, then chance of showers in the afternoon. * Max temperature.......58-68. * Min humidity..........68-83 percent...except 73-86 percent ridges. * 20-foot winds......... * Valleys/lwr slopes..Light winds becoming southwest around 4 mph in the afternoon. * Ridges/upr slopes...Southwest winds 3 to 6 mph. * Mixing height.........1200-1900 ft AGL. * Transport winds.......Southwest 5 to 10 mph. * CWR (>0.25)...........10 percent. * Chance of Lightning...1 percent. .THURSDAY NIGHT...Cloudy. Chance of rain in the evening, then rain after midnight. Lows in the mid 50s. South winds 3 to 6 mph. .FRIDAY...Rain. Highs 59 to 69. South winds 4 to 7 mph. .FRIDAY NIGHT...Rain. Lows in the upper 50s. South winds around 5 mph. .SATURDAY...Mostly cloudy. Showers likely in the morning, then chance of showers in the afternoon. Highs 62 to 72. Southwest winds around 4 mph. .SATURDAY NIGHT...Mostly cloudy with a chance of showers. Lows in the mid 50s. South winds around 3 mph. .SUNDAY...Partly sunny with a chance of showers. Highs 63 to 73 valleys...58 to 68 ridges. Light winds. .MONDAY...Partly cloudy. Slight chance of showers. Lows in the lower 50s. Highs 64 to 74. .TUESDAY...Partly cloudy. Lows in the lower 50s. Highs 65 to 75. .8 TO 14 day Outlook for Aug 20 - 26 2025 Above normal temperatures and near normal precipitation. $$ WAZ651-131145- Central Coastal Lowlands- 230 PM PDT Tue Aug 12 2025 ...HEAT ADVISORY IN EFFECT UNTIL 10 PM PDT THIS EVENING... .Tonight... * Sky/weather...........Partly cloudy. * Min temperature.......Around 58. * Max humidity..........78-93 percent. * 20-foot winds......... * Valleys/lwr slopes..West winds 7 to 10 mph. * Ridges/upr slopes...West winds 7 to 10 mph. * Mixing height.........700-900 ft AGL. * Transport winds.......West around 10 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...0 percent. .WEDNESDAY... * Sky/weather...........Mostly sunny. * Max temperature.......66-76...except 62-72 ridges. * Min humidity..........66-81 percent. * 20-foot winds......... * Valleys/lwr slopes..West winds 8 to 12 mph. * Ridges/upr slopes...West winds 8 to 12 mph. * Mixing height.........1100-2100 ft AGL. * Transport winds.......West around 15 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...2 percent. .WEDNESDAY NIGHT... * Sky/weather...........Partly cloudy then becoming mostly cloudy. * Min temperature.......49-59. * Max humidity..........82-97 percent. * 20-foot winds......... * Valleys/lwr slopes..West winds 7 to 10 mph. * Ridges/upr slopes...West winds 7 to 10 mph. * Mixing height.........700-1700 ft AGL. * Transport winds.......West 10 to 15 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...0 percent. .THURSDAY... * Sky/weather...........Partly sunny. Slight chance of showers in the afternoon. * Max temperature.......59-69. * Min humidity..........65-80 percent...except 72-85 percent ridges. * 20-foot winds......... * Valleys/lwr slopes..West winds 3 to 6 mph. * Ridges/upr slopes...Southwest winds 3 to 6 mph. * Mixing height.........1300-2300 ft AGL. * Transport winds.......West 5 to 10 mph. * CWR (>0.25)...........5 percent. * Chance of Lightning...1 percent. .THURSDAY NIGHT...Cloudy. Chance of rain in the evening, then rain likely after midnight. Lows in the upper 50s. Southwest winds 3 to 5 mph. .FRIDAY...Rain. Highs 60 to 70. South winds 4 to 7 mph. .FRIDAY NIGHT...Rain. Lows in the upper 50s. Southwest winds around 4 mph. .SATURDAY...Mostly cloudy. Showers likely in the morning, then chance of showers in the afternoon. Highs 64 to 74 valleys...58 to 68 ridges. Southwest winds around 4 mph. .SATURDAY NIGHT...Mostly cloudy with a chance of showers. Lows in the mid 50s. Light winds. .SUNDAY...Partly sunny. Chance of showers in the morning, then slight chance of showers in the afternoon. Highs 65 to 75 valleys... 59 to 69 ridges. Light winds. .MONDAY...Partly cloudy. Lows in the lower 50s. Highs 68 to 78 valleys...62 to 72 ridges. .TUESDAY...Partly cloudy. Lows around 50. Highs 70 to 80 valleys... 63 to 73 ridges. .8 TO 14 day Outlook for Aug 20 - 26 2025 Above normal temperatures and near normal precipitation. $$ WAZ652-131145- West Portion of the Olympic Mountains- 230 PM PDT Tue Aug 12 2025 .Tonight... * Sky/weather...........Partly cloudy. * Min temperature.......50-60. * Max humidity..........72-87 percent. * 20-foot winds......... * Valleys/lwr slopes..Northwest winds 5 to 8 mph. * Ridges/upr slopes...Northwest winds 5 to 8 mph. * Mixing height.........300-1000 ft AGL. * Transport winds.......Northwest around 10 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...0 percent. * Freezing level........15000 Feet. .WEDNESDAY... * Sky/weather...........Mostly sunny. * Max temperature.......62-72...except 58-68 ridges. * Min humidity..........62-77 percent. * 20-foot winds......... * Valleys/lwr slopes..West winds 6 to 9 mph. * Ridges/upr slopes...West winds 6 to 9 mph. * Mixing height.........700-1700 ft AGL. * Transport winds.......West around 10 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...1 percent. * Freezing level........14000 Feet. .WEDNESDAY NIGHT... * Sky/weather...........Partly cloudy then becoming mostly cloudy. * Min temperature.......43-53. * Max humidity..........76-91 percent. * 20-foot winds......... * Valleys/lwr slopes..Northwest winds 5 to 8 mph. * Ridges/upr slopes...Northwest winds 5 to 8 mph. * Mixing height.........300-1300 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. Chance of showers in the afternoon. * Max temperature.......57-67...except 53-63 ridges. * Min humidity..........65-80 percent. * 20-foot winds......... * Valleys/lwr slopes..Upslope/upvalley 3 to 5 mph. * Ridges/upr slopes...Southwest winds 3 to 6 mph. * Mixing height.........500-1500 ft AGL. * Transport winds.......Southwest around 5 mph. * CWR (>0.25)...........5 percent. * Chance of Lightning...1 percent. * Freezing level........12500 Feet. .THURSDAY NIGHT...Mostly cloudy. Chance of rain in the evening, then rain after midnight. Freezing level 12000 feet. Lows 49 to 59. South winds 3 to 6 mph. .FRIDAY...Rain. Freezing level 12000 feet. Highs 53 to 63. South winds 5 to 8 mph. .FRIDAY NIGHT...Rain. Freezing level 12000 feet. Lows 49 to 59. Southwest winds around 5 mph. .SATURDAY...Mostly cloudy. Showers likely in the morning, then chance of showers in the afternoon. Freezing level 11500 feet. Highs 57 to 67 valleys...51 to 61 ridges. Southwest winds around 4 mph. .SATURDAY NIGHT...Mostly cloudy with a chance of showers. Freezing level 11500 feet. Lows 46 to 56. Southwest winds around 3 mph. .SUNDAY...Partly sunny with a chance of showers. Freezing level 10500 feet. Highs 58 to 68 valleys...52 to 62 ridges. South winds around 3 mph. .MONDAY...Partly cloudy. Freezing level 10500 feet. Lows in the upper 40s. Highs 60 to 70 valleys...55 to 65 ridges. .TUESDAY...Partly cloudy. Freezing level 12500 feet. Lows in the upper 40s. Highs 62 to 72 valleys...57 to 67 ridges. .8 TO 14 day Outlook for Aug 20 - 26 2025 Above normal temperatures and near normal precipitation. $$ WAZ661-131145- East Portion of the Olympic Mountains- 230 PM PDT Tue Aug 12 2025 .Tonight... * Sky/weather...........Mostly clear. * Min temperature.......50-60. * Max humidity..........70-85 percent. * 20-foot winds......... * Valleys/lwr slopes..West winds 5 to 8 mph. * Ridges/upr slopes...West winds 5 to 8 mph. * Mixing height.........400-1200 ft AGL. * Transport winds.......West around 10 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...0 percent. * Freezing level........15000 Feet. .WEDNESDAY... * Sky/weather...........Mostly sunny. * Max temperature.......65-75...except 59-69 ridges. * Min humidity..........60-75 percent. * 20-foot winds......... * Valleys/lwr slopes..West winds 7 to 10 mph. * Ridges/upr slopes...West winds 7 to 10 mph. * Mixing height.........1100-2100 ft AGL. * Transport winds.......West around 10 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...0 percent. * Freezing level........14000 Feet. .WEDNESDAY NIGHT... * Sky/weather...........Partly cloudy. * Min temperature.......46-56...except 43-53 ridges. * Max humidity..........76-91 percent. * 20-foot winds......... * Valleys/lwr slopes..West winds 6 to 9 mph. * Ridges/upr slopes...West winds around 7 mph shifting to the south around 6 mph after midnight. * Mixing height.........400-1300 ft AGL. * Transport winds.......West around 10 mph shifting to the south after midnight. * CWR (>0.25)...........0 percent. * Chance of Lightning...0 percent. * Freezing level........14000 Feet. .THURSDAY... * Sky/weather...........Partly sunny. Slight chance of showers in the afternoon. * Max temperature.......59-69...except 53-63 ridges. * Min humidity..........62-77 percent. * 20-foot winds......... * Valleys/lwr slopes..Upslope/upvalley 3 to 5 mph. * Ridges/upr slopes...Southwest winds 3 to 6 mph. * Mixing height.........700-1700 ft AGL. * Transport winds.......Southwest around 5 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...0 percent. * Freezing level........12500 Feet. .THURSDAY NIGHT...Mostly cloudy. Chance of rain in the evening, then rain likely after midnight. Freezing level 12000 feet. Lows in the mid 50s valleys...around 50 ridges. Southwest winds 4 to 7 mph. .FRIDAY...Rain. Freezing level 12500 feet. Highs 56 to 66 valleys... 50 to 60 ridges. South winds 5 to 8 mph. .FRIDAY NIGHT...Rain. Freezing level 12000 feet. Lows 48 to 58. Southwest winds around 5 mph. .SATURDAY...Mostly cloudy. Showers likely in the morning, then chance of showers in the afternoon. Freezing level 11500 feet. Highs 59 to 69 valleys...51 to 61 ridges. Southwest winds around 5 mph. .SATURDAY NIGHT...Mostly cloudy with a chance of showers. Freezing level 11500 feet. Lows in the lower 50s valleys...42 to 52 ridges. Southwest winds around 4 mph. .SUNDAY...Partly sunny. Chance of showers in the morning, then slight chance of showers in the afternoon. Freezing level 10500 feet. Highs 59 to 69 valleys...51 to 61 ridges. Southwest winds around 4 mph. .MONDAY...Partly cloudy. Freezing level 11000 feet. Lows 43 to 53. Highs 61 to 71 valleys...53 to 63 ridges. .TUESDAY...Partly cloudy. Freezing level 12500 feet. Lows 43 to 53. Highs 63 to 73 valleys...55 to 65 ridges. .8 TO 14 day Outlook for Aug 20 - 26 2025 Above normal temperatures and near normal precipitation. $$ WAZ653-131145- Strait of Juan De Fuca and Northwest Interior Lowlands- 230 PM PDT Tue Aug 12 2025 ...HEAT ADVISORY IN EFFECT UNTIL 10 PM PDT THIS EVENING... .Tonight... * Sky/weather...........Mostly clear. * Min temperature.......53-63. * Max humidity..........72-87 percent. * 20-foot winds.........West winds 6 to 9 mph. * Mixing height.........500-600 ft AGL. * Transport winds.......West around 10 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...0 percent. .WEDNESDAY... * Sky/weather...........Mostly sunny. * Max temperature.......65-75. * Min humidity..........61-76 percent. * 20-foot winds.........West winds 7 to 11 mph. * Mixing height.........700-1400 ft AGL. * Transport winds.......West 10 to 15 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...1 percent. .WEDNESDAY NIGHT... * Sky/weather...........Partly cloudy then becoming mostly cloudy. * Min temperature.......49-59. * Max humidity..........77-92 percent. * 20-foot winds.........West winds 9 to 12 mph. Gusts up to 25 mph in the evening. * Mixing height.........600-900 ft AGL. * Transport winds.......West 10 to 15 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...0 percent. .THURSDAY... * Sky/weather...........Partly sunny. Slight chance of showers in the afternoon. * Max temperature.......62-72. * Min humidity..........63-78 percent. * 20-foot winds.........South winds 4 to 7 mph. * Mixing height.........800-1800 ft AGL. * Transport winds.......South around 10 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...1 percent. .THURSDAY NIGHT...Mostly cloudy. Chance of rain in the evening, then rain likely after midnight. Lows 52 to 62. West winds around 5 mph shifting to the southeast around 4 mph after midnight. .FRIDAY...Rain. Highs 62 to 72. Southeast winds 6 to 9 mph. .FRIDAY NIGHT...Rain. Lows 53 to 63. South winds around 7 mph. .SATURDAY...Showers in the morning, then showers likely in the afternoon. Highs 65 to 75. South winds around 6 mph. .SATURDAY NIGHT...Mostly cloudy with a chance of showers. Lows 50 to 60. Southwest winds around 4 mph. .SUNDAY...Partly sunny. Chance of showers in the morning, then slight chance of showers in the afternoon. Highs 65 to 75. South winds around 4 mph. .MONDAY...Partly cloudy. Lows 49 to 59. Highs 65 to 75. .TUESDAY...Partly cloudy. Lows in the lower 50s. Highs 66 to 76. .8 TO 14 day Outlook for Aug 20 - 26 2025 Above normal temperatures and near normal precipitation. $$ WAZ654-131145- Central and South Puget Sound Lowlands- 230 PM PDT Tue Aug 12 2025 ...HEAT ADVISORY IN EFFECT UNTIL 10 PM PDT THIS EVENING... .Tonight... * Sky/weather...........Mostly clear. * Min temperature.......54-64. * Max humidity..........77-92 percent. * 20-foot winds.........Northeast winds around 6 mph shifting to the west around 5 mph after midnight. * Mixing height.........500-1500 ft AGL. * Transport winds.......North around 10 mph shifting to the west after midnight. * CWR (>0.25)...........0 percent. * Chance of Lightning...0 percent. .WEDNESDAY... * Sky/weather...........Mostly sunny. * Max temperature.......69-79. * Min humidity..........54-69 percent. * 20-foot winds.........South winds 6 to 9 mph. * Mixing height.........1600-2600 ft AGL. * Transport winds.......Southwest 10 to 15 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...1 percent. .WEDNESDAY NIGHT... * Sky/weather...........Partly cloudy then becoming mostly cloudy. * Min temperature.......51-61. * Max humidity..........82-97 percent. * 20-foot winds.........Southwest winds around 9 mph shifting to the southeast around 7 mph after midnight. * Mixing height.........1000-2000 ft AGL. * Transport winds.......Southwest around 10 mph shifting to the south after midnight. * CWR (>0.25)...........0 percent. * Chance of Lightning...0 percent. .THURSDAY... * Sky/weather...........Mostly cloudy. * Max temperature.......63-73. * Min humidity..........57-72 percent. * 20-foot winds.........South winds 5 to 8 mph. * Mixing height.........1200 ft AGL increasing to 3500 ft AGL in the afternoon. * Transport winds.......Southwest around 10 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...0 percent. .THURSDAY NIGHT...Mostly cloudy. Chance of rain in the evening, then rain likely after midnight. Lows in the upper 50s. Southwest winds 5 to 8 mph. .FRIDAY...Rain. Highs in the mid 60s. South winds 7 to 10 mph. .FRIDAY NIGHT...Rain. Lows 55 to 65. South winds around 8 mph. .SATURDAY...Showers in the morning, then showers likely in the afternoon. Highs in the lower 70s. Southwest winds around 7 mph. .SATURDAY NIGHT...Mostly cloudy. Chance of showers in the evening, then slight chance of showers after midnight. Lows 51 to 61. Southwest winds around 5 mph. .SUNDAY...Partly sunny with slight chance of showers. Highs in the lower 70s. Southwest winds around 4 mph. .MONDAY...Partly cloudy. Lows 49 to 59. Highs in the mid 70s. .TUESDAY...Partly cloudy. Lows 48 to 58. Highs in the mid 70s. .8 TO 14 day Outlook for Aug 20 - 26 2025 Above normal temperatures and near normal precipitation. $$ WAZ655-131145- Black Hills and Southwest Interior Lowlands- 230 PM PDT Tue Aug 12 2025 ...HEAT ADVISORY IN EFFECT UNTIL 10 PM PDT THIS EVENING... .Tonight... * Sky/weather...........Partly cloudy. * Min temperature.......54-64. * Max humidity..........77-92 percent. * 20-foot winds.........West winds 5 to 8 mph. * Mixing height.........700-1700 ft AGL. * Transport winds.......West around 10 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...0 percent. .WEDNESDAY... * Sky/weather...........Mostly sunny. * Max temperature.......69-79. * Min humidity..........52-67 percent. * 20-foot winds.........Southwest winds 6 to 11 mph. * Mixing height.........1600-2600 ft AGL. * Transport winds.......West 10 to 15 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...1 percent. .WEDNESDAY NIGHT... * Sky/weather...........Partly cloudy. * Min temperature.......49-59. * Max humidity..........82-97 percent. * 20-foot winds.........West winds 7 to 10 mph. * Mixing height.........1100-2100 ft AGL. * Transport winds.......West 10 to 15 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...0 percent. .THURSDAY... * Sky/weather...........Partly sunny. Slight chance of showers in the afternoon. * Max temperature.......63-73. * Min humidity..........55-70 percent. * 20-foot winds.........Southwest winds 3 to 6 mph. * Mixing height.........1300 ft AGL increasing to 3700 ft AGL in the afternoon. * Transport winds.......Southwest around 10 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...1 percent. .THURSDAY NIGHT...Mostly cloudy with a chance of rain. Lows in the upper 50s. West winds around 5 mph shifting to the south around 3 mph after midnight. .FRIDAY...Rain likely in the morning, then rain in the afternoon. Highs in the mid 60s. South winds 4 to 7 mph. .FRIDAY NIGHT...Rain. Lows in the upper 50s. South winds around 5 mph. .SATURDAY...Mostly cloudy. Showers likely in the morning, then chance of showers in the afternoon. Highs 66 to 76. Southwest winds around 5 mph. .SATURDAY NIGHT...Mostly cloudy. Chance of showers in the evening, then slight chance of showers after midnight. Lows in the mid 50s. Southwest winds around 3 mph. .SUNDAY...Partly sunny with slight chance of showers. Highs in the mid 70s. Light winds. .MONDAY...Partly cloudy. Lows in the lower 50s. Highs in the mid 70s. .TUESDAY...Partly cloudy. Lows around 50. Highs in the upper 70s. .8 TO 14 day Outlook for Aug 20 - 26 2025 Above normal temperatures and near normal precipitation. $$ WAZ656-131145- Northeast Puget Sound Lowlands Generally Below 1500 Feet- 230 PM PDT Tue Aug 12 2025 ...HEAT ADVISORY IN EFFECT UNTIL 10 PM PDT THIS EVENING... .Tonight... * Sky/weather...........Mostly clear. * Min temperature.......54-64. * Max humidity..........75-90 percent. * 20-foot winds.........West winds 5 to 8 mph. * Mixing height.........900-1700 ft AGL. * Transport winds.......West around 10 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...0 percent. .WEDNESDAY... * Sky/weather...........Mostly sunny. * Max temperature.......65-75. * Min humidity..........59-74 percent. * 20-foot winds.........West winds 6 to 10 mph. * Mixing height.........1900-2900 ft AGL. * Transport winds.......Southwest around 10 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...3 percent. .WEDNESDAY NIGHT... * Sky/weather...........Mostly cloudy. Slight chance of showers in the evening. * Min temperature.......48-58. * Max humidity..........81-96 percent. * 20-foot winds.........West winds around 8 mph shifting to the southeast around 6 mph after midnight. * Mixing height.........1200-2200 ft AGL. * Transport winds.......West 5 to 10 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...4 percent. .THURSDAY... * Sky/weather...........Partly sunny. * Max temperature.......61-71. * Min humidity..........58-73 percent. * 20-foot winds.........Southwest winds 3 to 6 mph. * Mixing height.........1600 ft AGL increasing to 3800 ft AGL in the afternoon. * Transport winds.......South 5 to 10 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...2 percent. .THURSDAY NIGHT...Mostly cloudy. Slight chance of rain in the evening, then chance of rain after midnight. Lows in the upper 50s. Southwest winds around 4 mph shifting to the southeast after midnight. .FRIDAY...Rain. Highs 61 to 71. Southeast winds 4 to 7 mph. .FRIDAY NIGHT...Rain. Lows in the upper 50s. South winds around 6 mph. .SATURDAY...Showers in the morning, then showers likely in the afternoon. Highs 66 to 76. South winds around 5 mph. .SATURDAY NIGHT...Mostly cloudy with a chance of showers. Lows in the mid 50s. South winds around 3 mph. .SUNDAY...Partly sunny. Chance of showers in the morning, then slight chance of showers in the afternoon. Highs 68 to 78. South winds around 3 mph. .MONDAY...Partly cloudy. Lows in the mid 50s. Highs 69 to 79. .TUESDAY...Partly cloudy. Lows in the lower 50s. Highs 71 to 81. .8 TO 14 day Outlook for Aug 20 - 26 2025 Above normal temperatures and near normal precipitation. $$ WAZ657-131145- Southeast Puget Sound Lowlands Generally Below 1500 Feet- 230 PM PDT Tue Aug 12 2025 ...HEAT ADVISORY IN EFFECT UNTIL 10 PM PDT THIS EVENING... .Tonight... * Sky/weather...........Mostly clear. * Min temperature.......53-63. * Max humidity..........81-96 percent. * 20-foot winds.........North winds around 6 mph shifting to the southwest around 5 mph after midnight. * Mixing height.........700-1700 ft AGL. * Transport winds.......Northwest 5 to 10 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...0 percent. .WEDNESDAY... * Sky/weather...........Mostly sunny. * Max temperature.......69-79. * Min humidity..........58-73 percent. * 20-foot winds.........Southwest winds 5 to 9 mph. * Mixing height.........1900-2900 ft AGL. * Transport winds.......Southwest 10 to 15 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...1 percent. .WEDNESDAY NIGHT... * Sky/weather...........Mostly cloudy. Slight chance of showers in the evening. * Min temperature.......49-59. * Max humidity..........82-97 percent. * 20-foot winds.........West winds around 9 mph shifting to the south around 7 mph after midnight. * Mixing height.........1600-2600 ft AGL. * Transport winds.......Southwest 10 to 15 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...2 percent. .THURSDAY... * Sky/weather...........Partly sunny. * Max temperature.......65-75. * Min humidity..........53-68 percent. * 20-foot winds.........Southwest winds 3 to 6 mph. * Mixing height.........1700 ft AGL increasing to 4200 ft AGL in the afternoon. * Transport winds.......Southwest around 10 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...1 percent. .THURSDAY NIGHT...Mostly cloudy. Slight chance of rain in the evening, then chance of rain after midnight. Lows 54 to 64. Southwest winds 3 to 5 mph. .FRIDAY...Rain likely in the morning, then rain in the afternoon. Highs in the upper 60s. South winds 4 to 7 mph. .FRIDAY NIGHT...Rain. Lows 56 to 66. South winds around 5 mph. .SATURDAY...Showers likely. Highs 66 to 76. Southwest winds around 4 mph. .SATURDAY NIGHT...Mostly cloudy. Chance of showers in the evening, then slight chance of showers after midnight. Lows 52 to 62. Southwest winds around 3 mph. .SUNDAY...Partly sunny with slight chance of showers. Highs in the mid 70s. Light winds. .MONDAY...Partly cloudy. Lows 50 to 60. Highs in the mid 70s. .TUESDAY...Partly cloudy. Lows in the lower 50s. Highs in the upper 70s. .8 TO 14 day Outlook for Aug 20 - 26 2025 Above normal temperatures and near normal precipitation. $$ WAZ658-131145- West Slopes of the North Cascades Generally above 1500 Feet- 230 PM PDT Tue Aug 12 2025 .Tonight... * Sky/weather...........Mostly clear. * Min temperature.......54-64...except 49-59 ridges. * Max humidity..........73-88 percent. * 20-foot winds......... * Valleys/lwr slopes..West winds around 7 mph shifting to the southwest around 5 mph after midnight. * Ridges/upr slopes...West winds 6 to 9 mph. * Mixing height.........500-1500 ft AGL. * Transport winds.......West around 10 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...0 percent. * Freezing level........15000 Feet. .WEDNESDAY... * Sky/weather...........Mostly sunny. * Max temperature.......66-76...except 59-69 ridges. * Min humidity..........55-70 percent...except 60-75 percent ridges. * 20-foot winds......... * Valleys/lwr slopes..West winds 7 to 11 mph. * Ridges/upr slopes...West winds 7 to 11 mph. * Mixing height.........1200-2200 ft AGL. * Transport winds.......West 10 to 15 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...5 percent. * Freezing level........13000 Feet. .WEDNESDAY NIGHT... * Sky/weather...........Mostly cloudy. Slight chance of showers in the evening. * Min temperature.......48-58...except 44-54 ridges. * Max humidity..........78-93 percent. * 20-foot winds......... * Valleys/lwr slopes..West winds 5 to 8 mph. * Ridges/upr slopes...West winds 5 to 8 mph. * Mixing height.........700-1600 ft AGL. * Transport winds.......West 5 to 10 mph. * CWR (>0.25)...........5 percent. * Chance of Lightning...6 percent. * Freezing level........13000 Feet. .THURSDAY... * Sky/weather...........Partly sunny. * Max temperature.......62-72...except 56-66 ridges. * Min humidity..........57-72 percent. * 20-foot winds......... * Valleys/lwr slopes..Upslope/upvalley 3 to 5 mph. * Ridges/upr slopes...West winds 4 to 7 mph. * Mixing height.........1400-2400 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...Mostly cloudy. Slight chance of rain in the evening, then chance of rain after midnight. Freezing level 11500 feet. Lows in the mid 50s valleys...in the upper 40s ridges. Southwest winds 4 to 7 mph. .FRIDAY...Rain likely in the morning, then rain in the afternoon. Freezing level 12000 feet. Highs 56 to 66 valleys...49 to 59 ridges. South winds 4 to 7 mph. .FRIDAY NIGHT...Rain. Freezing level 12000 feet. Lows in the mid 50s valleys...around 50 ridges. South winds around 5 mph. .SATURDAY...Showers in the morning, then showers likely in the afternoon. Freezing level 11000 feet. Highs 58 to 68 valleys...50 to 60 ridges. Southwest winds around 5 mph. .SATURDAY NIGHT...Mostly cloudy with a chance of showers. Freezing level 11000 feet. Lows 49 to 59 valleys...44 to 54 ridges. Southwest winds around 5 mph. .SUNDAY...Partly sunny. Chance of showers in the morning, then slight chance of showers in the afternoon. Freezing level 11000 feet. Highs 61 to 71 valleys...53 to 63 ridges. Southwest winds around 4 mph. .MONDAY...Partly cloudy. Freezing level 11000 feet. Lows in the lower 50s valleys...41 to 51 ridges. Highs 64 to 74 valleys...57 to 67 ridges. .TUESDAY...Partly cloudy. Freezing level 12500 feet. Lows 46 to 56 valleys...in the mid 40s ridges. Highs 66 to 76 valleys...60 to 70 ridges. .8 TO 14 day Outlook for Aug 20 - 26 2025 Above normal temperatures and near normal precipitation. $$ WAZ659-131145- West Slopes of the Central Cascades Generally above 1500 Feet- 230 PM PDT Tue Aug 12 2025 .Tonight... * Sky/weather...........Mostly clear. * Min temperature.......52-62. * Max humidity..........74-89 percent...except 64-79 percent ridges. * 20-foot winds......... * Valleys/lwr slopes..Northwest winds around 7 mph shifting to the southwest around 5 mph after midnight. * Ridges/upr slopes...Northwest winds 5 to 8 mph. * Mixing height.........400-1400 ft AGL. * Transport winds.......West 5 to 10 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...0 percent. * Freezing level........15500 Feet. .WEDNESDAY... * Sky/weather...........Mostly sunny. * Max temperature.......67-77...except 61-71 ridges. * Min humidity..........56-71 percent. * 20-foot winds......... * Valleys/lwr slopes..West winds 6 to 11 mph. * Ridges/upr slopes...West winds 6 to 11 mph. * Mixing height.........1400-2400 ft AGL. * Transport winds.......West 10 to 15 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...0 percent. * Freezing level........14500 Feet. .WEDNESDAY NIGHT... * Sky/weather...........Partly cloudy then becoming mostly cloudy. Slight chance of showers in the evening. * Min temperature.......46-56...except 41-51 ridges. * Max humidity..........82-97 percent...except 75-90 percent ridges. * 20-foot winds......... * Valleys/lwr slopes..West winds 6 to 9 mph. * Ridges/upr slopes...West winds 6 to 9 mph. * Mixing height.........900-1900 ft AGL. * Transport winds.......West 10 to 15 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...2 percent. * Freezing level........14500 Feet. .THURSDAY... * Sky/weather...........Partly sunny. * Max temperature.......63-73...except 55-65 ridges. * Min humidity..........51-66 percent. * 20-foot winds......... * Valleys/lwr slopes..Upslope/upvalley 3 to 5 mph. * Ridges/upr slopes...West winds 4 to 7 mph. * Mixing height.........1000 ft AGL increasing to 3000 ft AGL in the afternoon. * Transport winds.......West 5 to 10 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...1 percent. * Freezing level........13000 Feet. .THURSDAY NIGHT...Mostly cloudy. Slight chance of rain in the evening, then chance of rain after midnight. Freezing level 12500 feet. Lows in the mid 50s valleys...around 50 ridges. Southwest winds 4 to 7 mph. .FRIDAY...Rain likely. Freezing level 12500 feet. Highs 57 to 67 valleys...51 to 61 ridges. Southwest winds 4 to 7 mph. .FRIDAY NIGHT...Rain. Freezing level 12500 feet. Lows in the upper 50s valleys...in the lower 50s ridges. Southwest winds around 4 mph. .SATURDAY...Showers likely. Freezing level 12500 feet. Highs 59 to 69 valleys...51 to 61 ridges. Southwest winds around 4 mph. .SATURDAY NIGHT...Mostly cloudy. Chance of showers in the evening, then slight chance of showers after midnight. Freezing level 13000 feet. Lows 49 to 59 valleys...in the upper 40s ridges. West winds around 3 mph. .SUNDAY...Partly sunny with slight chance of showers. Freezing level 13000 feet. Highs 62 to 72 valleys...55 to 65 ridges. West winds around 3 mph. .MONDAY...Partly cloudy. Freezing level 12500 feet. Lows 44 to 54. Highs 65 to 75 valleys...58 to 68 ridges. .TUESDAY...Partly cloudy. Freezing level 13000 feet. Lows 44 to 54. Highs 68 to 78 valleys...60 to 70 ridges. .8 TO 14 day Outlook for Aug 20 - 26 2025 Above normal temperatures and near normal precipitation. $$ www.weather.gov/seattle