


Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Seattle/Tacoma, WA
Issued by NWS Seattle/Tacoma, WA
353 FNUS56 KSEW 111511 FWFSEW Fire Weather Planning Forecast for Western Washington National Weather Service Seattle WA 811 AM PDT Mon Aug 11 2025 ...HEAT ADVISORY IN EFFECT UNTIL 10 PM PDT TUESDAY... .DISCUSSION...This afternoon into Tuesday look to be the driest days with minimum RH values in the 20-35% range, with the lowest values being located within the Cascade valleys and southern lowlands. The warmest temperatures will be in the 90s. Releative humidity recoveries tonight will only be moderate. Troughing will develop on Wednesday, which will help moderate temperatures and increase onshore flow across the region and bring chances for rain by late week. Forecast for 20 foot wind speed (valleys and ridge tops) are 10 minute averages reflecting RAWS winds. WAZ649-112330- North and Central Coastal Strip- 811 AM PDT Mon Aug 11 2025 ...HEAT ADVISORY IN EFFECT UNTIL 10 PM PDT TUESDAY... .Today... * Sky/weather...........Sunny. Areas of fog in the morning. * Max temperature.......75-85. * Min humidity..........45-60 percent. * 20-foot winds......... * Valleys/lwr slopes..Northeast winds around 3 mph shifting to the northwest around 7 mph in the afternoon. * Ridges/upr slopes...East winds around 4 mph shifting to the northwest around 7 mph in the afternoon. * Mixing height.........500-1000 ft AGL. * Transport winds.......Northeast around 5 mph shifting to the north in the afternoon. * CWR (>0.25)...........0 percent. * Chance of Lightning...0 percent. .TONIGHT... * Sky/weather...........Mostly clear. * Min temperature.......56-66. * Max humidity..........77-92 percent. * 20-foot winds......... * Valleys/lwr slopes..Northwest winds around 6 mph shifting to the northeast around 3 mph after midnight. * Ridges/upr slopes...North winds 5 to 8 mph. * Mixing height.........300-500 ft AGL. * Transport winds.......North around 10 mph shifting to the northeast after midnight. * CWR (>0.25)...........0 percent. * Chance of Lightning...0 percent. .TUESDAY... * Sky/weather...........Sunny. * Max temperature.......71-81. * Min humidity..........51-66 percent. * 20-foot winds......... * Valleys/lwr slopes..Light winds becoming northwest around 9 mph in the afternoon. * Ridges/upr slopes...Northwest winds 3 to 12 mph. Gusts up to 25 mph in the afternoon. * Mixing height.........300-800 ft AGL. * Transport winds.......Southeast around 5 mph shifting to the west in the afternoon. * CWR (>0.25)...........0 percent. * Chance of Lightning...0 percent. .TUESDAY NIGHT...Partly cloudy. Lows in the upper 50s. Northwest winds 8 to 12 mph. .WEDNESDAY...Cooler. Partly sunny. Highs in the mid 60s. West winds 5 to 8 mph. .WEDNESDAY NIGHT...Mostly cloudy with slight chance of rain. Lows in the mid 50s. West winds 4 to 7 mph. .THURSDAY...Mostly cloudy with a chance of rain. Highs 60 to 70. Light winds becoming southwest around 5 mph in the afternoon. .THURSDAY NIGHT...Mostly cloudy. Slight chance of rain in the evening, then chance of rain after midnight. Lows in the upper 50s. South winds around 3 mph. .FRIDAY...Rain likely. Highs in the mid 60s. South winds around 5 mph. .SATURDAY...Mostly cloudy with rain likely. Lows in the upper 50s. Highs 61 to 71. .SUNDAY...Mostly cloudy. Chance of rain. Lows in the mid 50s. Highs 62 to 72. .8 TO 14 day Outlook for Aug 18 - 24, 2025 Near normal temperatures and near normal precipitation. $$ WAZ650-112330- North Coastal Lowlands- 811 AM PDT Mon Aug 11 2025 ...HEAT ADVISORY IN EFFECT UNTIL 10 PM PDT TUESDAY... .Today... * Sky/weather...........Sunny. Areas of fog in the morning. * Max temperature.......79-89. * Min humidity..........38-53 percent. * 20-foot winds......... * Valleys/lwr slopes..Northeast winds around 3 mph shifting to the northwest around 6 mph in the afternoon. * Ridges/upr slopes...Northeast winds 5 to 8 mph. * Mixing height.........900-1900 ft AGL. * Transport winds.......Northeast 5 to 10 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...0 percent. .TONIGHT... * Sky/weather...........Mostly clear. * Min temperature.......60-70. * Max humidity..........62-77 percent...except 57-72 percent ridges. * 20-foot winds......... * Valleys/lwr slopes..Northwest winds around 4 mph shifting to the east around 3 mph after midnight. * Ridges/upr slopes...North winds around 5 mph shifting to the northeast after midnight. * Mixing height.........500-900 ft AGL. * Transport winds.......Northeast 5 to 10 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...0 percent. .TUESDAY... * Sky/weather...........Sunny. * Max temperature.......79-89. * Min humidity..........42-57 percent. * 20-foot winds......... * Valleys/lwr slopes..Light winds becoming west around 8 mph in the afternoon. * Ridges/upr slopes...North winds around 3 mph shifting to the northwest in the afternoon. * Mixing height.........600-1600 ft AGL. * Transport winds.......East around 5 mph shifting to the west in the afternoon. * CWR (>0.25)...........0 percent. * Chance of Lightning...0 percent. .TUESDAY NIGHT...Mostly clear. Lows in the upper 50s. West winds 4 to 7 mph. .WEDNESDAY...Cooler. Partly sunny. Highs 63 to 73 valleys...58 to 68 ridges. West winds 3 to 6 mph. .WEDNESDAY NIGHT...Mostly cloudy with slight chance of rain. Lows in the mid 50s. West winds 3 to 6 mph. .THURSDAY...Mostly cloudy. Slight chance of rain in the morning, then chance of rain in the afternoon. Highs 62 to 72 valleys...57 to 67 ridges. Light winds becoming southwest around 4 mph in the afternoon. .THURSDAY NIGHT...Mostly cloudy with a chance of rain. Lows in the mid 50s. Light winds. .FRIDAY...Rain likely. Highs 59 to 69. South winds around 3 mph. .SATURDAY...Rain likely. Lows in the mid 50s. Highs 62 to 72 valleys...57 to 67 ridges. .SUNDAY...Mostly cloudy. Chance of rain. Lows in the mid 50s. Highs 63 to 73 valleys...58 to 68 ridges. .8 TO 14 day Outlook for Aug 18 - 24, 2025 Near normal temperatures and near normal precipitation. $$ WAZ651-112330- Central Coastal Lowlands- 811 AM PDT Mon Aug 11 2025 ...HEAT ADVISORY IN EFFECT UNTIL 10 PM PDT TUESDAY... .Today... * Sky/weather...........Sunny. Patchy fog in the morning. * Max temperature.......86-96...except 83-93 ridges. * Min humidity..........34-49 percent...except 42-54 percent ridges. * 20-foot winds......... * Valleys/lwr slopes..Northeast winds around 3 mph shifting to the northwest around 4 mph in the afternoon. * Ridges/upr slopes...West winds 3 to 5 mph. * Mixing height.........700 ft AGL increasing to 2900 ft AGL in the afternoon. * Transport winds.......Northeast 5 to 10 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...1 percent. .TONIGHT... * Sky/weather...........Mostly clear. * Min temperature.......60-70. * Max humidity..........67-82 percent. * 20-foot winds......... * Valleys/lwr slopes..West winds around 3 mph shifting to the east after midnight. * Ridges/upr slopes...Northwest winds around 3 mph shifting to the northeast around 5 mph after midnight. * Mixing height.........400-1100 ft AGL. * Transport winds.......Northwest around 5 mph shifting to the east after midnight. * CWR (>0.25)...........0 percent. * Chance of Lightning...1 percent. .TUESDAY... * Sky/weather...........Sunny. * Max temperature.......85-95...except 82-92 ridges. * Min humidity..........34-49 percent...except 42-52 percent ridges. * 20-foot winds......... * Valleys/lwr slopes..East winds around 3 mph shifting to the west around 6 mph in the afternoon. * Ridges/upr slopes...Southeast winds around 4 mph shifting to the west around 6 mph in the afternoon. * Mixing height.........800-1800 ft AGL. * Transport winds.......Southeast around 5 mph shifting to the west in the afternoon. * CWR (>0.25)...........0 percent. * Chance of Lightning...0 percent. .TUESDAY NIGHT...Mostly clear. Lows in the upper 50s. West winds 5 to 8 mph. .WEDNESDAY...Not as warm. Mostly sunny. Highs 65 to 75 valleys... 60 to 70 ridges. West winds 6 to 9 mph. .WEDNESDAY NIGHT...Mostly cloudy. Slight chance of rain after midnight. Lows in the mid 50s. West winds 5 to 8 mph. .THURSDAY...Mostly cloudy with slight chance of rain. Highs 64 to 74 valleys...58 to 68 ridges. Southwest winds 3 to 6 mph. .THURSDAY NIGHT...Mostly cloudy. Slight chance of rain in the evening, then chance of rain after midnight. Lows in the mid 50s. Light winds. .FRIDAY...Rain likely. Highs 60 to 70. South winds around 3 mph. .SATURDAY...Mostly cloudy with rain likely. Lows in the upper 50s. Highs 64 to 74 valleys...58 to 68 ridges. .SUNDAY...Mostly cloudy. Chance of rain. Lows in the mid 50s. Highs 66 to 76 valleys...60 to 70 ridges. .8 TO 14 day Outlook for Aug 18 - 24, 2025 Near normal temperatures and near normal precipitation. $$ WAZ652-112330- West Portion of the Olympic Mountains- 811 AM PDT Mon Aug 11 2025 .Today... * Sky/weather...........Sunny. * Max temperature.......83-93...except 78-88 ridges. * Min humidity..........33-45 percent. * 20-foot winds......... * Valleys/lwr slopes..North winds around 3 mph shifting to the west around 6 mph in the afternoon. * Ridges/upr slopes...North winds around 4 mph shifting to the northwest around 6 mph in the afternoon. * Mixing height.........1000-2000 ft AGL. * Transport winds.......Northeast 5 to 10 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...0 percent. * Freezing level........16000 Feet. .TONIGHT... * Sky/weather...........Mostly clear. * Min temperature.......62-72...except 59-69 ridges. * Max humidity..........53-68 percent. * 20-foot winds......... * Valleys/lwr slopes..Downslope/downvalley around 5 mph. * Ridges/upr slopes...Northeast winds 4 to 7 mph. * Mixing height.........300-900 ft AGL. * Transport winds.......Northeast around 10 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...0 percent. * Freezing level........16000 Feet. .TUESDAY... * Sky/weather...........Sunny. * Max temperature.......82-92...except 77-87 ridges. * Min humidity..........35-50 percent. * 20-foot winds......... * Valleys/lwr slopes..Northwest winds 4 to 7 mph. * Ridges/upr slopes...Northwest winds 4 to 7 mph. * Mixing height.........300 ft AGL increasing to 2400 ft AGL in the afternoon. * Transport winds.......Northeast around 5 mph shifting to the west in the afternoon. * CWR (>0.25)...........0 percent. * Chance of Lightning...0 percent. * Freezing level........15500 Feet. .TUESDAY NIGHT...Mostly clear. Freezing level 15000 feet. Lows in the mid 50s. Northwest winds 5 to 8 mph. .WEDNESDAY...Cooler, sunny. Freezing level 13500 feet. Highs 59 to 69. West winds 4 to 7 mph. .WEDNESDAY NIGHT...Partly cloudy with slight chance of rain. Freezing level 13500 feet. Lows 47 to 57. West winds 4 to 7 mph. .THURSDAY...Partly sunny with slight chance of rain. Freezing level 12500 feet. Highs 58 to 68 valleys...53 to 63 ridges. West winds 3 to 6 mph. .THURSDAY NIGHT...Mostly cloudy. Slight chance of rain in the evening, then chance of rain after midnight. Freezing level 12000 feet. Lows in the lower 50s. Southwest winds around 3 mph. .FRIDAY...Rain likely. Freezing level 11500 feet. Highs 55 to 65 valleys...50 to 60 ridges. South winds around 4 mph. .SATURDAY...Rain likely. Freezing level 11500 feet. Lows 49 to 59. Highs 57 to 67 valleys...52 to 62 ridges. .SUNDAY...Mostly cloudy. Chance of rain. Freezing level 10000 feet. Lows 47 to 57. Highs 58 to 68 valleys...52 to 62 ridges. .8 TO 14 day Outlook for Aug 18 - 24, 2025 Near normal temperatures and near normal precipitation. $$ WAZ661-112330- East Portion of the Olympic Mountains- 811 AM PDT Mon Aug 11 2025 .Today... * Sky/weather...........Sunny. * Max temperature.......81-91...except 74-84 ridges. * Min humidity..........31-46 percent. * 20-foot winds......... * Valleys/lwr slopes..Northeast winds 4 to 7 mph. * Ridges/upr slopes...Northeast winds 4 to 7 mph. * Mixing height.........900-1900 ft AGL. * Transport winds.......Northeast around 10 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...0 percent. * Freezing level........16000 Feet. .TONIGHT... * Sky/weather...........Mostly clear. * Min temperature.......61-71...except 57-67 ridges. * Max humidity..........54-69 percent...except 46-61 percent ridges. * 20-foot winds......... * Valleys/lwr slopes..Downslope/downvalley 4 to 5 mph. * Ridges/upr slopes...North winds 4 to 7 mph. * Mixing height.........400-1000 ft AGL. * Transport winds.......North around 10 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...0 percent. * Freezing level........16000 Feet. .TUESDAY... * Sky/weather...........Sunny. * Max temperature.......82-92...except 75-85 ridges. * Min humidity..........32-47 percent. * 20-foot winds......... * Valleys/lwr slopes..Northwest winds 4 to 7 mph. * Ridges/upr slopes...Northwest winds 4 to 7 mph. * Mixing height.........500 ft AGL increasing to 2600 ft AGL in the afternoon. * Transport winds.......North around 5 mph shifting to the northwest in the afternoon. * CWR (>0.25)...........0 percent. * Chance of Lightning...0 percent. * Freezing level........15500 Feet. .TUESDAY NIGHT...Cooler, clear. Freezing level 15000 feet. Lows 51 to 61. West winds 3 to 6 mph. .WEDNESDAY...Cooler, sunny. Freezing level 13500 feet. Highs 64 to 74 valleys...57 to 67 ridges. West winds 4 to 7 mph. .WEDNESDAY NIGHT...Cooler. Partly cloudy. Freezing level 13000 feet. Lows 46 to 56. West winds 4 to 7 mph. .THURSDAY...Partly sunny with slight chance of rain. Freezing level 12500 feet. Highs 60 to 70 valleys...53 to 63 ridges. West winds 3 to 6 mph. .THURSDAY NIGHT...Mostly cloudy. Slight chance of rain in the evening, then chance of rain after midnight. Freezing level 12000 feet. Lows 47 to 57. Southwest winds around 3 mph. .FRIDAY...Mostly cloudy. Chance of rain in the morning, then rain likely in the afternoon. Freezing level 11500 feet. Highs 56 to 66 valleys...49 to 59 ridges. Southwest winds around 4 mph. .SATURDAY...Mostly cloudy with rain likely. Freezing level 11500 feet. Lows in the mid 50s valleys...around 50 ridges. Highs 59 to 69 valleys...51 to 61 ridges. .SUNDAY...Mostly cloudy. Chance of rain. Freezing level 10000 feet. Lows 44 to 54. Highs 60 to 70 valleys...51 to 61 ridges. .8 TO 14 day Outlook for Aug 18 - 24, 2025 Near normal temperatures and near normal precipitation. $$ WAZ653-112330- Strait of Juan De Fuca and Northwest Interior Lowlands- 811 AM PDT Mon Aug 11 2025 ...HEAT ADVISORY IN EFFECT UNTIL 10 PM PDT TUESDAY... .Today... * Sky/weather...........Sunny. * Max temperature.......75-85. * Min humidity..........40-55 percent. * 20-foot winds.........Northwest winds 5 to 8 mph. * Mixing height.........700-1100 ft AGL. * Transport winds.......North 10 to 15 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...0 percent. .TONIGHT... * Sky/weather...........Mostly clear. * Min temperature.......58-68. * Max humidity..........63-78 percent. * 20-foot winds.........Northwest winds 3 to 6 mph. * Mixing height.........500-600 ft AGL. * Transport winds.......Northwest around 10 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...0 percent. .TUESDAY... * Sky/weather...........Sunny. * Max temperature.......77-87. * Min humidity..........41-56 percent. * 20-foot winds.........North winds 4 to 7 mph. * Mixing height.........600-1200 ft AGL. * Transport winds.......North around 10 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...0 percent. .TUESDAY NIGHT...Mostly clear. Lows 54 to 64. West winds 4 to 7 mph. .WEDNESDAY...Mostly sunny. Highs 67 to 77. Southwest winds 4 to 7 mph. .WEDNESDAY NIGHT...Partly cloudy. Lows 51 to 61. West winds 5 to 8 mph. .THURSDAY...Partly sunny with slight chance of rain. Highs 65 to 75. South winds 4 to 7 mph. .THURSDAY NIGHT...Mostly cloudy. Slight chance of rain in the evening, then chance of rain after midnight. Lows 52 to 62. Southwest winds around 3 mph. .FRIDAY...Cloudy. Chance of rain in the morning, then rain likely in the afternoon. Highs 62 to 72. South winds around 5 mph. .SATURDAY...Rain likely. Lows 52 to 62. Highs 64 to 74. .SUNDAY...Mostly cloudy. Chance of rain. Lows 50 to 60. Highs 65 to 75. .8 TO 14 day Outlook for Aug 18 - 24, 2025 Near normal temperatures and near normal precipitation. $$ WAZ654-112330- Central and South Puget Sound Lowlands- 811 AM PDT Mon Aug 11 2025 ...HEAT ADVISORY IN EFFECT UNTIL 10 PM PDT TUESDAY... .Today... * Sky/weather...........Sunny. * Max temperature.......81-91. * Min humidity..........33-48 percent. * 20-foot winds.........Northeast winds 5 to 8 mph. * Mixing height.........1200-2200 ft AGL. * Transport winds.......North 10 to 15 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...0 percent. .TONIGHT... * Sky/weather...........Mostly clear. * Min temperature.......59-69. * Max humidity..........62-77 percent. * 20-foot winds.........Northeast winds 3 to 5 mph. * Mixing height.........500-1300 ft AGL. * Transport winds.......North 5 to 10 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...0 percent. .TUESDAY... * Sky/weather...........Sunny. * Max temperature.......83-93. * Min humidity..........29-44 percent. * 20-foot winds.........Northeast winds 3 to 6 mph. * Mixing height.........1200-2200 ft AGL. * Transport winds.......North 5 to 10 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...0 percent. .TUESDAY NIGHT...Mostly clear. Lows around 60. North winds around 5 mph shifting to the southwest around 6 mph after midnight. .WEDNESDAY...Not as warm. Mostly sunny. Highs in the mid 70s. South winds 6 to 9 mph. .WEDNESDAY NIGHT...Partly cloudy. Lows in the upper 50s. Southwest winds 6 to 9 mph. .THURSDAY...Mostly cloudy. Slight chance of rain in the afternoon. Highs in the lower 70s. South winds 5 to 8 mph. .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 5 mph. .FRIDAY...Cloudy. Chance of rain in the morning, then rain likely in the afternoon. Highs in the mid 60s. South winds around 5 mph. .SATURDAY...Rain likely. Lows in the upper 50s. Highs in the lower 70s. .SUNDAY...Mostly cloudy. Chance of rain. Lows in the mid 50s. Highs in the lower 70s. .8 TO 14 day Outlook for Aug 18 - 24, 2025 Near normal temperatures and near normal precipitation. $$ WAZ655-112330- Black Hills and Southwest Interior Lowlands- 811 AM PDT Mon Aug 11 2025 ...HEAT ADVISORY IN EFFECT UNTIL 10 PM PDT TUESDAY... .Today... * Sky/weather...........Sunny. * Max temperature.......88-98. * Min humidity..........28-43 percent. * 20-foot winds.........Northeast winds 4 to 7 mph. * Mixing height.........1000 ft AGL increasing to 3000 ft AGL in the afternoon. * Transport winds.......Northeast around 10 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...0 percent. .TONIGHT... * Sky/weather...........Mostly clear. * Min temperature.......60-70. * Max humidity..........63-78 percent. * 20-foot winds.........North winds 3 to 6 mph. * Mixing height.........700-1700 ft AGL. * Transport winds.......Northeast 5 to 10 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...1 percent. .TUESDAY... * Sky/weather...........Sunny. * Max temperature.......88-98. * Min humidity..........27-42 percent. * 20-foot winds.........Northeast winds around 3 mph shifting to the northwest around 5 mph in the afternoon. * Mixing height.........800 ft AGL increasing to 2900 ft AGL in the afternoon. * Transport winds.......Northeast around 5 mph shifting to the northwest in the afternoon. * CWR (>0.25)...........0 percent. * Chance of Lightning...0 percent. .TUESDAY NIGHT...Mostly clear. Lows in the upper 50s. West winds 5 to 8 mph. .WEDNESDAY...Not as warm. Mostly sunny. Highs in the mid 70s. Southwest winds 6 to 9 mph. .WEDNESDAY NIGHT...Partly cloudy. Lows in the mid 50s. West winds 5 to 9 mph. .THURSDAY...Mostly cloudy with slight chance of rain. Highs in the lower 70s. Southwest winds 3 to 6 mph. .THURSDAY NIGHT...Mostly cloudy. Slight chance of rain after midnight. Lows in the mid 50s. Southwest winds around 3 mph. .FRIDAY...Cloudy with a chance of rain. Highs in the upper 60s. South winds around 4 mph. .SATURDAY...Mostly cloudy with rain likely. Lows in the upper 50s. Highs 66 to 76. .SUNDAY...Mostly cloudy. Slight chance of rain. Lows in the mid 50s. Highs in the mid 70s. .8 TO 14 day Outlook for Aug 18 - 24, 2025 Near normal temperatures and near normal precipitation. $$ WAZ656-112330- Northeast Puget Sound Lowlands Generally Below 1500 Feet- 811 AM PDT Mon Aug 11 2025 ...HEAT ADVISORY IN EFFECT UNTIL 10 PM PDT TUESDAY... .Today... * Sky/weather...........Sunny. * Max temperature.......82-92. * Min humidity..........30-45 percent. * 20-foot winds.........Northwest winds 3 to 6 mph. * Mixing height.........1700-2700 ft AGL. * Transport winds.......North 5 to 10 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...0 percent. .TONIGHT... * Sky/weather...........Mostly clear. * Min temperature.......60-70. * Max humidity..........62-77 percent. * 20-foot winds.........Northwest winds around 4 mph in the evening becoming light. * Mixing height.........900-1600 ft AGL. * Transport winds.......North 5 to 10 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...0 percent. .TUESDAY... * Sky/weather...........Sunny. * Max temperature.......80-90. * Min humidity..........25-40 percent. * 20-foot winds.........Light winds becoming west around 7 mph in the afternoon. * Mixing height.........1400-2400 ft AGL. * Transport winds.......Northwest 5 to 10 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...0 percent. .TUESDAY NIGHT...Mostly clear. Lows around 60. West winds 4 to 7 mph. .WEDNESDAY...Mostly sunny. Highs 69 to 79. Southwest winds 4 to 7 mph. .WEDNESDAY NIGHT...Mostly cloudy. Lows in the upper 50s. Southwest winds 4 to 7 mph. .THURSDAY...Mostly cloudy. Slight chance of rain in the morning. Highs 66 to 76. Southwest winds 3 to 6 mph. .THURSDAY NIGHT...Mostly cloudy. Chance of rain after midnight. Lows in the upper 50s. South winds around 3 mph. .FRIDAY...Cloudy. Chance of rain in the morning, then rain likely in the afternoon. Highs 61 to 71. South winds around 4 mph. .SATURDAY...Rain likely. Lows in the upper 50s. Highs 65 to 75. .SUNDAY...Mostly cloudy. Chance of rain. Lows in the mid 50s. Highs 68 to 78. .8 TO 14 day Outlook for Aug 18 - 24, 2025 Near normal temperatures and near normal precipitation. $$ WAZ657-112330- Southeast Puget Sound Lowlands Generally Below 1500 Feet- 811 AM PDT Mon Aug 11 2025 ...HEAT ADVISORY IN EFFECT UNTIL 10 PM PDT TUESDAY... .Today... * Sky/weather...........Sunny. * Max temperature.......84-94. * Min humidity..........31-46 percent. * 20-foot winds.........North winds 3 to 6 mph. * Mixing height.........1400-2400 ft AGL. * Transport winds.......North around 10 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...1 percent. .TONIGHT... * Sky/weather...........Mostly clear. * Min temperature.......58-68. * Max humidity..........72-87 percent. * 20-foot winds.........Northeast winds 3 to 5 mph. * Mixing height.........600-1500 ft AGL. * Transport winds.......North 5 to 10 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...1 percent. .TUESDAY... * Sky/weather...........Sunny. * Max temperature.......86-96. * Min humidity..........25-40 percent. * 20-foot winds.........Light winds becoming northwest around 5 mph in the afternoon. * Mixing height.........800 ft AGL increasing to 2800 ft AGL in the afternoon. * Transport winds.......North around 5 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...0 percent. .TUESDAY NIGHT...Mostly clear. Lows in the lower 60s. North winds around 5 mph shifting to the southwest around 3 mph after midnight. .WEDNESDAY...Not as warm. Mostly sunny. Highs in the mid 70s. Southwest winds 4 to 7 mph. .WEDNESDAY NIGHT...Partly cloudy. Lows 52 to 62. Southwest winds 4 to 7 mph. .THURSDAY...Mostly cloudy. Highs in the lower 70s. Southwest winds 3 to 6 mph. .THURSDAY NIGHT...Mostly cloudy. Slight chance of rain after midnight. Lows 53 to 63. Southwest winds around 3 mph. .FRIDAY...Cloudy with a chance of rain. Highs in the upper 60s. South winds around 3 mph. .SATURDAY...Mostly cloudy with rain likely. Lows in the upper 50s. Highs 66 to 76. .SUNDAY...Mostly cloudy. Slight chance of rain. Lows 52 to 62. Highs in the mid 70s. .8 TO 14 day Outlook for Aug 18 - 24, 2025 Near normal temperatures and near normal precipitation. $$ WAZ658-112330- West Slopes of the North Cascades Generally above 1500 Feet- 811 AM PDT Mon Aug 11 2025 .Today... * Sky/weather...........Sunny. * Max temperature.......80-90...except 76-86 ridges. * Min humidity..........22-37 percent. * 20-foot winds......... * Valleys/lwr slopes..Upslope/upvalley 4 to 5 mph. * Ridges/upr slopes...Northeast winds around 5 mph shifting to the northwest in the afternoon. * Mixing height.........800 ft AGL increasing to 3100 ft AGL in the afternoon. * Transport winds.......Northeast around 10 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...0 percent. * Freezing level........16500 Feet. .TONIGHT... * Sky/weather...........Mostly clear. * Min temperature.......58-68...except 54-64 ridges. * Max humidity..........54-69 percent. * 20-foot winds......... * Valleys/lwr slopes..Downslope/downvalley 4 to 5 mph. * Ridges/upr slopes...North winds around 5 mph shifting to the northeast after midnight. * Mixing height.........500-1400 ft AGL. * Transport winds.......Northeast around 10 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...0 percent. * Freezing level........16000 Feet. .TUESDAY... * Sky/weather...........Sunny. * Max temperature.......81-91...except 76-86 ridges. * Min humidity..........21-36 percent. * 20-foot winds......... * Valleys/lwr slopes..West winds 3 to 7 mph. * Ridges/upr slopes...West winds 3 to 8 mph. * Mixing height.........600 ft AGL increasing to 3100 ft AGL in the afternoon. * Transport winds.......Northeast around 5 mph shifting to the west in the afternoon. * CWR (>0.25)...........0 percent. * Chance of Lightning...1 percent. * Freezing level........15000 Feet. .TUESDAY NIGHT...Cooler. Mostly clear. Freezing level 15000 feet. Lows 54 to 64 valleys...in the mid 50s ridges. West winds 5 to 8 mph. .WEDNESDAY...Cooler. Mostly sunny. Freezing level 13000 feet. Highs 64 to 74 valleys...56 to 66 ridges. Southwest winds 5 to 8 mph. .WEDNESDAY NIGHT...Mostly cloudy. Slight chance of rain after midnight. Freezing level 12500 feet. Lows 50 to 60 valleys...around 50 ridges. West winds 5 to 8 mph. .THURSDAY...Partly sunny. Slight chance of rain in the morning. Freezing level 12000 feet. Highs 61 to 71 valleys...54 to 64 ridges. West winds 4 to 7 mph. .THURSDAY NIGHT...Mostly cloudy. Slight chance of rain after midnight. Freezing level 11500 feet. Lows 50 to 60 valleys...in the upper 40s ridges. Southwest winds around 4 mph. .FRIDAY...Mostly cloudy with a chance of rain. Freezing level 11000 feet. Highs 56 to 66 valleys...49 to 59 ridges. Southwest winds around 4 mph. .SATURDAY...Rain likely. Freezing level 10500 feet. Lows in the mid 50s valleys...around 50 ridges. Highs 58 to 68 valleys...50 to 60 ridges. .SUNDAY...Mostly cloudy. Chance of rain. Freezing level 10000 feet. Lows in the lower 50s valleys...43 to 53 ridges. Highs 61 to 71 valleys...53 to 63 ridges. .8 TO 14 day Outlook for Aug 18 - 24, 2025 Near normal temperatures and near normal precipitation. $$ WAZ659-112330- West Slopes of the Central Cascades Generally above 1500 Feet- 811 AM PDT Mon Aug 11 2025 .Today... * Sky/weather...........Sunny. * Max temperature.......85-95...except 77-87 ridges. * Min humidity..........24-39 percent. * 20-foot winds......... * Valleys/lwr slopes..North winds around 3 mph shifting to the northwest around 6 mph in the afternoon. * Ridges/upr slopes...Northeast winds around 3 mph shifting to the northwest around 5 mph in the afternoon. * Mixing height.........700 ft AGL increasing to 2700 ft AGL in the afternoon. * Transport winds.......Northeast around 5 mph shifting to the northwest in the afternoon. * CWR (>0.25)...........0 percent. * Chance of Lightning...2 percent. * Freezing level........16500 Feet. .TONIGHT... * Sky/weather...........Mostly clear. * Min temperature.......58-68. * Max humidity..........61-76 percent. * 20-foot winds......... * Valleys/lwr slopes..Downslope/downvalley around 5 mph. * Ridges/upr slopes...Northwest winds around 4 mph shifting to the east after midnight. * Mixing height.........400-1200 ft AGL. * Transport winds.......North around 5 mph shifting to the east after midnight. * CWR (>0.25)...........0 percent. * Chance of Lightning...2 percent. * Freezing level........16000 Feet. .TUESDAY... * Sky/weather...........Sunny. * Max temperature.......84-94...except 76-86 ridges. * Min humidity..........23-38 percent. * 20-foot winds......... * Valleys/lwr slopes..Northwest winds 3 to 8 mph. * Ridges/upr slopes...Northwest winds 3 to 8 mph. * Mixing height.........600 ft AGL increasing to 2900 ft AGL in the afternoon. * Transport winds.......Southeast around 5 mph shifting to the northwest in the afternoon. * CWR (>0.25)...........0 percent. * Chance of Lightning...1 percent. * Freezing level........15500 Feet. .TUESDAY NIGHT...Cooler. Mostly clear. Freezing level 15500 feet. Lows 52 to 62. Northwest winds around 6 mph shifting to the west around 5 mph after midnight. .WEDNESDAY...Cooler, sunny. Freezing level 14500 feet. Highs 66 to 76 valleys...59 to 69 ridges. West winds 5 to 8 mph. .WEDNESDAY NIGHT...Cooler. Partly cloudy. Freezing level 14000 feet. Lows 45 to 55. West winds 5 to 8 mph. .THURSDAY...Partly sunny. Freezing level 13000 feet. Highs 61 to 71 valleys...54 to 64 ridges. West winds 4 to 7 mph. .THURSDAY NIGHT...Mostly cloudy. Slight chance of rain after midnight. Freezing level 12500 feet. Lows 46 to 56. West winds around 4 mph. .FRIDAY...Mostly cloudy with a chance of rain. Freezing level 12000 feet. Highs 57 to 67 valleys...50 to 60 ridges. Southwest winds around 3 mph. .SATURDAY...Mostly cloudy with rain likely. Freezing level 11500 feet. Lows 49 to 59. Highs 58 to 68 valleys...51 to 61 ridges. .SUNDAY...Mostly cloudy. Chance of rain. Freezing level 11500 feet. Lows in the lower 50s valleys...in the upper 40s ridges. Highs 62 to 72 valleys...54 to 64 ridges. .8 TO 14 day Outlook for Aug 18 - 24, 2025 Near normal temperatures and near normal precipitation. $$ www.weather.gov/seattle