


Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Seattle/Tacoma, WA
Issued by NWS Seattle/Tacoma, WA
918 FNUS56 KSEW 131454 FWFSEW Fire Weather Planning Forecast for Western Washington National Weather Service Seattle WA 754 AM PDT Wed Aug 13 2025 .DISCUSSION...Troughing will develop today for increasing onshore flow across the region leading to a drop in temperatures and increasing relative humidity. A frontal system late in the week will bring wetting rains to the entirety of the region. Drier conditions and moderating temperatures are expected early next week. Forecast for 20 foot wind speed (valleys and ridge tops) are 10 minute averages reflecting RAWS winds. WAZ649-132330- North and Central Coastal Strip- 754 AM PDT Wed Aug 13 2025 .Today... * Sky/weather...........Partly sunny. Slight chance of showers in the afternoon. * Max temperature.......58-68. * Min 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.........700-900 ft AGL. * Transport winds.......West around 10 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...1 percent. .TONIGHT... * Sky/weather...........Mostly cloudy. * Min temperature.......51-61. * Max humidity..........89-near 100 percent. * 20-foot winds......... * Valleys/lwr slopes..West winds 3 to 6 mph. * Ridges/upr slopes...West winds 3 to 6 mph. * Mixing height.........600-800 ft AGL. * Transport winds.......Northwest around 10 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...2 percent. .THURSDAY... * Sky/weather...........Mostly cloudy. Chance of showers in the afternoon. * Max temperature.......57-67. * Min humidity..........77-92 percent. * 20-foot winds......... * Valleys/lwr slopes..Light winds becoming south around 5 mph in the afternoon. * Ridges/upr slopes...South winds 3 to 6 mph. * Mixing height.........700-1400 ft AGL. * Transport winds.......West around 5 mph shifting to the south in the afternoon. * CWR (>0.25)...........15 percent. * Chance of Lightning...2 percent. .THURSDAY NIGHT...Rain. Lows in the upper 50s. South winds 5 to 8 mph. .FRIDAY...Rain. Highs 61 to 71. South winds 8 to 12 mph. .FRIDAY NIGHT...Rain. Lows in the upper 50s. South winds 5 to 8 mph. .SATURDAY...Rain in the morning, then rain likely in the afternoon. Highs 62 to 72. South winds 4 to 7 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 in the upper 60s. South winds around 3 mph. .MONDAY...Mostly cloudy. Slight chance of showers. Patchy fog after midnight. Lows in the mid 50s. Highs 63 to 73. .TUESDAY...Mostly cloudy. Lows in the mid 50s. Highs 64 to 74. .8 TO 14 day Outlook for Aug 20 - 26 2025 Above normal temperatures and near normal precipitation. $$ WAZ650-132330- North Coastal Lowlands- 754 AM PDT Wed Aug 13 2025 .Today... * Sky/weather...........Mostly sunny. Slight chance of showers in the afternoon. * Max temperature.......63-73...except 58-68 ridges. * Min humidity..........68-83 percent...except 75-90 percent ridges. * 20-foot winds......... * Valleys/lwr slopes..West winds 4 to 7 mph. * Ridges/upr slopes...West winds 4 to 7 mph. * Mixing height.........1000-1400 ft AGL. * Transport winds.......West around 10 mph. * CWR (>0.25)...........5 percent. * Chance of Lightning...2 percent. .TONIGHT... * Sky/weather...........Mostly cloudy. * Min temperature.......47-57. * Max humidity..........81-96 percent...except 88-near 100 percent ridges. * 20-foot winds......... * Valleys/lwr slopes..West winds around 4 mph in the evening becoming light. * Ridges/upr slopes...West winds 3 to 6 mph. * Mixing height.........800-1200 ft AGL. * Transport winds.......West 5 to 10 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...2 percent. .THURSDAY... * Sky/weather...........Mostly cloudy. Chance of showers in the afternoon. * Max temperature.......57-67. * Min humidity..........69-84 percent...except 74-86 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.........1000-1800 ft AGL. * Transport winds.......Southwest 5 to 10 mph. * CWR (>0.25)...........10 percent. * Chance of Lightning...2 percent. .THURSDAY NIGHT...Rain. Lows in the upper 50s. South winds 3 to 6 mph. .FRIDAY...Rain. Highs 62 to 72 valleys...57 to 67 ridges. South winds 6 to 9 mph. .FRIDAY NIGHT...Rain. Lows in the upper 50s. South winds 4 to 7 mph. .SATURDAY...Rain in the morning, then rain likely in the afternoon. Highs 63 to 73 valleys...58 to 68 ridges. South winds 3 to 6 mph. .SATURDAY NIGHT...Mostly cloudy with a chance of showers. Patchy fog after midnight. Lows in the mid 50s. Light winds. .SUNDAY...Partly sunny with a chance of showers. Highs 64 to 74 valleys...59 to 69 ridges. South winds around 3 mph. .MONDAY...Mostly cloudy. Slight chance of showers. Patchy fog. Lows in the lower 50s. Highs 64 to 74. .TUESDAY...Mostly cloudy. Lows in the lower 50s. Highs 66 to 76 valleys...61 to 71 ridges. .8 TO 14 day Outlook for Aug 20 - 26 2025 Above normal temperatures and near normal precipitation. $$ WAZ651-132330- Central Coastal Lowlands- 754 AM PDT Wed Aug 13 2025 .Today... * Sky/weather...........Mostly sunny. * Max temperature.......67-77...except 63-73 ridges. * Min humidity..........72-87 percent. * 20-foot winds......... * Valleys/lwr slopes..West winds 7 to 10 mph. * Ridges/upr slopes...West winds 7 to 10 mph. Gusts up to 25 mph in the morning. * Mixing height.........1100-1800 ft AGL. * Transport winds.......West around 15 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...1 percent. .TONIGHT... * 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 5 to 8 mph. * Ridges/upr slopes...West winds 5 to 8 mph. * Mixing height.........700-1500 ft AGL. * Transport winds.......West around 10 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...2 percent. .THURSDAY... * Sky/weather...........Mostly cloudy. Slight chance of showers in the afternoon. * Max temperature.......59-69...except 56-66 ridges. * Min humidity..........67-82 percent...except 73-86 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.........1100-2100 ft AGL. * Transport winds.......West around 10 mph. * CWR (>0.25)...........5 percent. * Chance of Lightning...1 percent. .THURSDAY NIGHT...Rain. Lows in the upper 50s. South winds 3 to 6 mph. .FRIDAY...Rain. Highs 62 to 72 valleys...in the lower 60s ridges. South winds 5 to 8 mph. .FRIDAY NIGHT...Rain. Lows in the upper 50s. Southwest winds 4 to 7 mph. .SATURDAY...Rain in the morning, then rain likely in the afternoon. Highs 66 to 76 valleys...59 to 69 ridges. Southwest winds 3 to 6 mph. .SATURDAY NIGHT...Mostly cloudy with a chance of showers. Patchy fog after midnight. 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 66 to 76 valleys... 60 to 70 ridges. Light winds. .MONDAY...Mostly cloudy. Patchy fog. Lows in the lower 50s. Highs 68 to 78 valleys...62 to 72 ridges. .TUESDAY...Mostly cloudy. Patchy fog. Lows in the lower 50s. Highs 69 to 79 valleys...64 to 74 ridges. .8 TO 14 day Outlook for Aug 20 - 26 2025 Above normal temperatures and near normal precipitation. $$ WAZ652-132330- West Portion of the Olympic Mountains- 754 AM PDT Wed Aug 13 2025 .Today... * Sky/weather...........Mostly sunny. Slight chance of showers in the afternoon. * Max temperature.......62-72...except 59-69 ridges. * Min humidity..........67-82 percent. * 20-foot winds......... * Valleys/lwr slopes..West winds 5 to 8 mph. * Ridges/upr slopes...West winds 5 to 8 mph. * Mixing height.........700-1500 ft AGL. * Transport winds.......West around 10 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...2 percent. * Freezing level........14000 Feet. .TONIGHT... * Sky/weather...........Partly cloudy then becoming mostly cloudy. * Min temperature.......44-54. * Max humidity..........77-92 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...2 percent. * Freezing level........14000 Feet. .THURSDAY... * Sky/weather...........Partly sunny. Chance of showers in the afternoon. * Max temperature.......56-66...except 52-62 ridges. * Min humidity..........67-82 percent. * 20-foot winds......... * Valleys/lwr slopes..Upslope/upvalley 3 to 5 mph. * Ridges/upr slopes...Southwest winds 3 to 6 mph. * Mixing height.........500-1200 ft AGL. * Transport winds.......Southwest 5 to 10 mph. * CWR (>0.25)...........10 percent. * Chance of Lightning...1 percent. * Freezing level........12500 Feet. .THURSDAY NIGHT...Rain. Freezing level 12500 feet. Lows 48 to 58. South winds 4 to 7 mph. .FRIDAY...Rain. Freezing level 12500 feet. Highs 57 to 67 valleys... 51 to 61 ridges. South winds 6 to 9 mph. .FRIDAY NIGHT...Rain. Freezing level 12000 feet. Lows 49 to 59. Southwest winds 5 to 8 mph. .SATURDAY...Rain in the morning, then rain likely in the afternoon. Freezing level 11000 feet. Highs 58 to 68 valleys...52 to 62 ridges. Southwest winds 4 to 7 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 11500 feet. Highs 59 to 69 valleys...53 to 63 ridges. Southwest winds around 3 mph. .MONDAY...Partly cloudy. Freezing level 11000 feet. Lows in the upper 40s. Highs 60 to 70 valleys...54 to 64 ridges. .TUESDAY...Partly cloudy. Freezing level 11000 feet. Lows 46 to 56. Highs 62 to 72 valleys...56 to 66 ridges. .8 TO 14 day Outlook for Aug 20 - 26 2025 Above normal temperatures and near normal precipitation. $$ WAZ661-132330- East Portion of the Olympic Mountains- 754 AM PDT Wed Aug 13 2025 .Today... * Sky/weather...........Mostly sunny. Areas of smoke in the morning. * Max temperature.......65-75...except 60-70 ridges. * Min humidity..........60-75 percent. * 20-foot winds......... * Valleys/lwr slopes..West winds 6 to 9 mph. * Ridges/upr slopes...West winds 6 to 9 mph. * Mixing height.........1100-2100 ft AGL. * Transport winds.......West around 10 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...2 percent. * Freezing level........14000 Feet. .TONIGHT... * Sky/weather...........Partly cloudy then becoming mostly cloudy. * Min temperature.......46-56...except 43-53 ridges. * Max humidity..........76-91 percent. * 20-foot winds......... * Valleys/lwr slopes..West winds 3 to 6 mph. * Ridges/upr slopes...West winds 3 to 6 mph. * Mixing height.........500-1100 ft AGL. * Transport winds.......West 5 to 10 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...2 percent. * Freezing level........14000 Feet. .THURSDAY... * Sky/weather...........Partly sunny. Slight chance of showers in the afternoon. * Max temperature.......58-68...except 52-62 ridges. * Min humidity..........64-79 percent. * 20-foot winds......... * Valleys/lwr slopes..Upslope/upvalley 4 to 5 mph. * Ridges/upr slopes...Southwest winds 3 to 6 mph. * Mixing height.........600-1200 ft AGL. * Transport winds.......Southwest around 5 mph. * CWR (>0.25)...........5 percent. * Chance of Lightning...1 percent. * Freezing level........12500 Feet. .THURSDAY NIGHT...Rain likely in the evening, then rain after midnight. Freezing level 12500 feet. Lows 47 to 57. Southwest winds 4 to 7 mph. .FRIDAY...Rain. Freezing level 13000 feet. Highs 59 to 69 valleys... 51 to 61 ridges. South winds 6 to 9 mph. .FRIDAY NIGHT...Rain. Freezing level 12000 feet. Lows in the mid 50s valleys...around 50 ridges. Southwest winds 5 to 8 mph. .SATURDAY...Rain in the morning, then rain likely in the afternoon. Freezing level 11000 feet. Highs 60 to 70 valleys...52 to 62 ridges. Southwest winds 5 to 8 mph. .SATURDAY NIGHT...Mostly cloudy. Chance of showers in the evening, then slight chance of showers after midnight. Freezing level 12000 feet. Lows 45 to 55. West winds around 3 mph. .SUNDAY...Partly sunny. Chance of showers in the morning, then slight chance of showers in the afternoon. Freezing level 11500 feet. Highs 60 to 70 valleys...52 to 62 ridges. Southwest winds around 4 mph. .MONDAY...Partly cloudy. Freezing level 11000 feet. Lows 44 to 54. Highs 62 to 72 valleys...53 to 63 ridges. .TUESDAY...Partly cloudy. Freezing level 11000 feet. Lows 44 to 54. 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. $$ WAZ653-132330- Strait of Juan De Fuca and Northwest Interior Lowlands- 754 AM PDT Wed Aug 13 2025 .Today... * Sky/weather...........Mostly sunny. * Max temperature.......66-76. * Min humidity..........63-78 percent. * 20-foot winds.........Southwest winds 6 to 9 mph. * Mixing height.........800-1300 ft AGL. * Transport winds.......Southwest around 10 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...2 percent. .TONIGHT... * Sky/weather...........Partly cloudy then becoming mostly cloudy. Slight chance of showers in the evening. * Min temperature.......49-59. * Max humidity..........78-93 percent. * 20-foot winds.........Southwest winds 5 to 8 mph. * Mixing height.........500-700 ft AGL. * Transport winds.......West around 10 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...2 percent. .THURSDAY... * Sky/weather...........Mostly cloudy. Slight chance of showers in the afternoon. * Max temperature.......62-72. * Min humidity..........65-80 percent. * 20-foot winds.........South winds 4 to 7 mph. * Mixing height.........700-1200 ft AGL. * Transport winds.......Southwest around 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 52 to 62. Southwest winds around 5 mph shifting to the southeast after midnight. .FRIDAY...Rain. Highs 64 to 74. Southeast winds 8 to 13 mph. .FRIDAY NIGHT...Rain. Lows 53 to 63. South winds 7 to 10 mph. .SATURDAY...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 showers. Lows 51 to 61. Southwest winds around 3 mph. .SUNDAY...Partly sunny. Chance of showers in the morning, then slight chance of showers in the afternoon. Highs 66 to 76. South winds around 4 mph. .MONDAY...Mostly cloudy. Lows in the mid 50s. Highs 67 to 77. .TUESDAY...Mostly cloudy. Lows in the mid 50s. Highs 67 to 77. .8 TO 14 day Outlook for Aug 20 - 26 2025 Above normal temperatures and near normal precipitation. $$ WAZ654-132330- Central and South Puget Sound Lowlands- 754 AM PDT Wed Aug 13 2025 .Today... * Sky/weather...........Mostly sunny. * Max temperature.......70-80. * Min humidity..........56-71 percent. * 20-foot winds.........Southwest winds 6 to 9 mph. Gusts up to 25 mph in the afternoon. * Mixing height.........1100 ft AGL increasing to 3100 ft AGL in the afternoon. * Transport winds.......Southwest 10 to 15 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...1 percent. .TONIGHT... * Sky/weather...........Partly cloudy then becoming mostly cloudy. Slight chance of showers in the evening. * Min temperature.......52-62. * Max humidity..........85-100 percent. * 20-foot winds.........South winds 6 to 9 mph. Gusts up to 25 mph in the evening. * Mixing height.........900-1800 ft AGL. * Transport winds.......Southwest around 10 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...2 percent. .THURSDAY... * Sky/weather...........Mostly cloudy. * Max temperature.......63-73. * Min humidity..........58-73 percent. * 20-foot winds.........South winds 6 to 9 mph. * Mixing height.........1500-2500 ft AGL. * Transport winds.......Southwest 10 to 15 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 54 to 64. Southwest winds 6 to 9 mph. .FRIDAY...Rain. Highs 63 to 73. South winds 8 to 13 mph. .FRIDAY NIGHT...Rain. Lows 55 to 65. South winds 10 to 13 mph. .SATURDAY...Rain in the morning, then rain likely in the afternoon. Highs in the lower 70s. Southwest winds 7 to 10 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 mid 70s. Southwest winds around 4 mph. .MONDAY...Mostly cloudy. Lows in the mid 50s. Highs in the mid 70s. .TUESDAY...Partly cloudy. Lows in the mid 50s. Highs in the mid 70s. .8 TO 14 day Outlook for Aug 20 - 26 2025 Above normal temperatures and near normal precipitation. $$ WAZ655-132330- Black Hills and Southwest Interior Lowlands- 754 AM PDT Wed Aug 13 2025 .Today... * Sky/weather...........Mostly sunny. * Max temperature.......70-80. * Min humidity..........57-72 percent. * 20-foot winds.........Southwest winds 7 to 10 mph. Gusts up to 25 mph in the afternoon. * Mixing height.........1600-2600 ft AGL. * Transport winds.......West 10 to 15 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...1 percent. .TONIGHT... * Sky/weather...........Partly cloudy then becoming mostly cloudy. * Min temperature.......50-60. * Max humidity..........82-97 percent. * 20-foot winds.........West winds 5 to 8 mph. * Mixing height.........1100-2100 ft AGL. * Transport winds.......West around 10 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...2 percent. .THURSDAY... * Sky/weather...........Mostly cloudy. * Max temperature.......63-73. * Min humidity..........57-72 percent. * 20-foot winds.........Southwest winds 4 to 7 mph. * Mixing height.........1800-2800 ft AGL. * Transport winds.......West 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 in the upper 50s. Southwest winds 3 to 6 mph. .FRIDAY...Rain. Highs in the upper 60s. South winds 6 to 9 mph. .FRIDAY NIGHT...Rain. Lows in the upper 50s. South winds 5 to 8 mph. .SATURDAY...Rain in the morning, then rain likely in the afternoon. Highs in the lower 70s. Southwest winds 4 to 7 mph. .SATURDAY NIGHT...Mostly cloudy. Chance of showers in the evening, then slight chance of showers 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 showers. Highs in the mid 70s. Light winds. .MONDAY...Mostly cloudy. Patchy fog after midnight. Lows in the lower 50s. 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. $$ WAZ656-132330- Northeast Puget Sound Lowlands Generally Below 1500 Feet- 754 AM PDT Wed Aug 13 2025 .Today... * Sky/weather...........Mostly sunny. * Max temperature.......67-77. * Min humidity..........59-74 percent. * 20-foot winds.........Southwest winds 4 to 7 mph. * Mixing height.........2200-3200 ft AGL. * Transport winds.......Southwest 5 to 10 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...5 percent. .TONIGHT... * Sky/weather...........Mostly cloudy. Chance of showers in the evening. * Min temperature.......48-58. * Max humidity..........82-97 percent. * 20-foot winds.........West winds 4 to 7 mph. * Mixing height.........1300-1900 ft AGL. * Transport winds.......West 5 to 10 mph. * CWR (>0.25)...........5 percent. * Chance of Lightning...5 percent. .THURSDAY... * Sky/weather...........Mostly cloudy. * Max temperature.......59-69. * Min humidity..........66-81 percent. * 20-foot winds.........Southwest winds 3 to 6 mph. * Mixing height.........1600-2600 ft AGL. * Transport winds.......Southwest 5 to 10 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...4 percent. .THURSDAY NIGHT...Cloudy. Chance of rain in the evening, then rain after midnight. Lows in the upper 50s. South winds 3 to 6 mph. .FRIDAY...Rain. Highs 62 to 72. Southeast winds 6 to 9 mph. .FRIDAY NIGHT...Showers and slight chance of thunderstorms in the evening, then rain after midnight. Lows in the upper 50s. South winds 6 to 9 mph. .SATURDAY...Rain in the morning, then showers likely and slight chance of thunderstorms in the afternoon. Highs 67 to 77. South winds 4 to 7 mph. .SATURDAY NIGHT...Mostly cloudy. Chance of showers in the evening, then slight chance of showers after midnight. Lows in the mid 50s. South winds around 3 mph. .SUNDAY...Partly sunny with slight chance of showers. Highs 69 to 79. South winds around 3 mph. .MONDAY...Mostly cloudy. Lows in the mid 50s. Highs 70 to 80. .TUESDAY...Partly cloudy. Lows in the mid 50s. Highs 71 to 81. .8 TO 14 day Outlook for Aug 20 - 26 2025 Above normal temperatures and near normal precipitation. $$ WAZ657-132330- Southeast Puget Sound Lowlands Generally Below 1500 Feet- 754 AM PDT Wed Aug 13 2025 .Today... * Sky/weather...........Mostly sunny. * Max temperature.......71-81. * Min humidity..........61-76 percent. * 20-foot winds.........Southwest winds 5 to 8 mph. Gusts up to 25 mph in the afternoon. * Mixing height.........1500 ft AGL increasing to 3700 ft AGL in the afternoon. * Transport winds.......Southwest 10 to 15 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...3 percent. .TONIGHT... * Sky/weather...........Mostly cloudy. Slight chance of showers in the evening. * Min temperature.......50-60. * Max humidity..........85-100 percent. * 20-foot winds.........Southwest winds 4 to 7 mph. * Mixing height.........1500-2500 ft AGL. * Transport winds.......Southwest around 10 mph. * CWR (>0.25)...........5 percent. * Chance of Lightning...4 percent. .THURSDAY... * Sky/weather...........Mostly cloudy. * Max temperature.......65-75. * Min humidity..........56-71 percent. * 20-foot winds.........Southwest winds 3 to 6 mph. * Mixing height.........2200-3200 ft AGL. * 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 rain after midnight. Lows in the upper 50s. Southwest winds 3 to 5 mph. .FRIDAY...Rain. Highs in the upper 60s. South winds 5 to 8 mph. .FRIDAY NIGHT...Rain. Lows in the lower 60s. South winds 5 to 8 mph. .SATURDAY...Rain likely. Highs in the lower 70s. Southwest winds 4 to 7 mph. .SATURDAY NIGHT...Mostly cloudy. Chance of showers in the evening, then slight chance of showers after midnight. Patchy fog after midnight. Lows 52 to 62. Light winds. .SUNDAY...Patchy fog in the morning. Partly sunny with slight chance of showers. Highs in the mid 70s. Light winds. .MONDAY...Mostly cloudy. Patchy fog after midnight. Lows 50 to 60. Highs in the upper 70s. .TUESDAY...Partly cloudy. Lows 51 to 61. Highs in the upper 70s. .8 TO 14 day Outlook for Aug 20 - 26 2025 Above normal temperatures and near normal precipitation. $$ WAZ658-132330- West Slopes of the North Cascades Generally above 1500 Feet- 754 AM PDT Wed Aug 13 2025 .Today... * Sky/weather...........Mostly sunny. Areas of smoke in the morning. Slight chance of showers in the afternoon. * Max temperature.......68-78...except 60-70 ridges. * Min humidity..........58-73 percent. * 20-foot winds......... * Valleys/lwr slopes..Southwest winds 6 to 9 mph. * Ridges/upr slopes...Southwest winds 6 to 9 mph. * Mixing height.........1500-2500 ft AGL. * Transport winds.......West 10 to 15 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...6 percent. * Freezing level........13000 Feet. .TONIGHT... * Sky/weather...........Mostly cloudy. Slight chance of showers in the evening. * Min temperature.......48-58...except 44-54 ridges. * Max humidity..........80-95 percent. * 20-foot winds......... * Valleys/lwr slopes..West winds 4 to 7 mph. * Ridges/upr slopes...West winds 4 to 7 mph. * Mixing height.........700-1400 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...........Mostly cloudy. * Max temperature.......61-71...except 54-64 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.........800-1600 ft AGL. * Transport winds.......Southwest 5 to 10 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...6 percent. * Freezing level........12500 Feet. .THURSDAY NIGHT...Mostly cloudy. Slight chance of rain in the evening, then chance of rain after midnight. Freezing level 12000 feet. Lows 50 to 60 valleys...in the upper 40s ridges. Southwest winds 4 to 7 mph. .FRIDAY...Rain. Freezing level 12000 feet. Highs 57 to 67 valleys... 50 to 60 ridges. South winds 4 to 7 mph. .FRIDAY NIGHT...Showers and slight chance of thunderstorms in the evening, then rain after midnight. Freezing level 11500 feet. Lows in the mid 50s valleys...in the lower 50s ridges. South winds 5 to 8 mph. .SATURDAY...Rain and slight chance of thunderstorms in the morning, then showers likely and slight chance of thunderstorms in the afternoon. Freezing level 10500 feet. Highs 60 to 70 valleys...52 to 62 ridges. Southwest winds 5 to 8 mph. .SATURDAY NIGHT...Mostly cloudy. Chance of showers in the evening, then slight chance of showers after midnight. Freezing level 11500 feet. Lows in the lower 50s valleys...43 to 53 ridges. Southwest winds around 4 mph. .SUNDAY...Mostly sunny with slight chance of showers. Freezing level 12000 feet. Highs 62 to 72 valleys...55 to 65 ridges. Southwest winds around 3 mph. .MONDAY...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. .TUESDAY...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 20 - 26 2025 Above normal temperatures and near normal precipitation. $$ WAZ659-132330- West Slopes of the Central Cascades Generally above 1500 Feet- 754 AM PDT Wed Aug 13 2025 .Today... * Sky/weather...........Mostly sunny. * Max temperature.......69-79...except 62-72 ridges. * Min humidity..........56-71 percent. * 20-foot winds......... * Valleys/lwr slopes..West winds 6 to 9 mph. * Ridges/upr slopes...West winds 6 to 9 mph. Gusts up to 25 mph in the afternoon. * Mixing height.........1000 ft AGL increasing to 3000 ft AGL in the afternoon. * Transport winds.......West 10 to 15 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...1 percent. * Freezing level........14500 Feet. .TONIGHT... * Sky/weather...........Mostly cloudy. Chance of showers in the evening. * Min temperature.......47-57...except 42-52 ridges. * Max humidity..........82-97 percent...except 77-92 percent ridges. * 20-foot winds......... * Valleys/lwr slopes..West winds 4 to 8 mph. * Ridges/upr slopes...West winds 4 to 8 mph. Gusts up to 25 mph in the evening. * Mixing height.........900-1800 ft AGL. * Transport winds.......West 10 to 15 mph. * CWR (>0.25)...........5 percent. * Chance of Lightning...4 percent. * Freezing level........14500 Feet. .THURSDAY... * Sky/weather...........Partly sunny. * Max temperature.......61-71...except 54-64 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.........1100-2100 ft AGL. * Transport winds.......West 5 to 10 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...2 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 49 to 59. Southwest winds 3 to 6 mph. .FRIDAY...Rain. Freezing level 13000 feet. Highs 58 to 68 valleys... 52 to 62 ridges. South winds 4 to 7 mph. .FRIDAY NIGHT...Showers and slight chance of thunderstorms in the evening, then rain after midnight. Freezing level 12500 feet. Lows in the upper 50s valleys...in the lower 50s ridges. Southwest winds 4 to 7 mph. .SATURDAY...Rain likely. Freezing level 12000 feet. Highs 60 to 70 valleys...52 to 62 ridges. West winds 3 to 6 mph. .SATURDAY NIGHT...Mostly cloudy. Chance of showers in the evening, then slight chance of showers after midnight. Freezing level 13000 feet. Lows 46 to 56. Light winds. .SUNDAY...Partly sunny. Slight chance of showers in the morning. Freezing level 12500 feet. Highs 63 to 73 valleys...55 to 65 ridges. Light winds. .MONDAY...Mostly cloudy. Freezing level 12500 feet. Lows 44 to 54. Highs 65 to 75 valleys...58 to 68 ridges. .TUESDAY...Partly cloudy. Freezing level 12500 feet. Lows 45 to 55. Highs 66 to 76 valleys...58 to 68 ridges. .8 TO 14 day Outlook for Aug 20 - 26 2025 Above normal temperatures and near normal precipitation. $$ www.weather.gov/seattle