FNUS56 KSEW 231025 FWFSEW Fire Weather Planning Forecast for Western Washington National Weather Service Seattle WA 325 AM PDT Sun Aug 23 2026 .DISCUSSION...Isolated showers and thunderstorms will remain possible across the North Cascades through this morning before decreasing this afternoon. Any storms that do occur will be capable of producing abundant lightning and gusty outflow winds. Warm and dry conditions commence Monday and Tuesday with upper ridging over the region and a thermal trough at the surface. Offshore flow will allow RHs to dip into the low 20s across the Cascades by Tuesday. Onshore flow and chances of precipitation return by midweek as another upper level trough approaches the area. Forecast for 20 foot wind speed (valleys and ridge tops) are 10 minute averages reflecting RAWS winds. WAZ649-232315- North and Central Coastal Strip- 325 AM PDT Sun Aug 23 2026 .TODAY... * Sky/weather...........Partly sunny. * Max temperature.......58-68. * Min humidity..........79-94 percent. * 20-foot winds......... * Valleys/lwr slopes..Light winds becoming west around 5 mph in the afternoon. * Ridges/upr slopes...Southwest winds 3 to 5 mph. * Mixing height.........600-1400 ft AGL. * Transport winds.......West around 5 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...3 percent. .TONIGHT... * Sky/weather...........Mostly cloudy. * Min temperature.......Around 54. * Max humidity..........94-100 percent. * 20-foot winds......... * Valleys/lwr slopes..North winds 4 to 7 mph. * Ridges/upr slopes...Northwest winds 4 to 7 mph. * Mixing height.........400-800 ft AGL. * Transport winds.......North 5 to 10 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...0 percent. .MONDAY... * Sky/weather...........Mostly sunny. * Max temperature.......65-75. * Min humidity..........66-81 percent. * 20-foot winds......... * Valleys/lwr slopes..North winds 3 to 6 mph. * Ridges/upr slopes...Northwest winds 3 to 6 mph. * Mixing height.........600-1200 ft AGL. * Transport winds.......North 5 to 10 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...0 percent. .MONDAY NIGHT...Partly cloudy. Lows in the mid 50s. North winds 3 to 7 mph. .TUESDAY...Mostly sunny. Highs 65 to 75. Light winds becoming southwest around 5 mph in the afternoon. .TUESDAY NIGHT...Mostly cloudy. Lows in the mid 50s. South winds 3 to 5 mph. .WEDNESDAY...Mostly cloudy with slight chance of showers. Highs in the mid 60s. South winds 4 to 7 mph. .WEDNESDAY NIGHT...Mostly cloudy. Slight chance of rain in the evening, then chance of rain after midnight. Lows in the mid 50s. South winds around 4 mph. .THURSDAY...Partly sunny. Slight chance of rain in the morning. Highs 60 to 70. South winds around 5 mph. .FRIDAY...Mostly cloudy. Lows in the mid 50s. Highs 60 to 70. .SATURDAY...Mostly cloudy. Lows in the mid 50s. Highs 60 to 70. .8 TO 14 Day Outlook for western Washington Near normal temperatures and above normal precipitation. $$ WAZ650-232315- North Coastal Lowlands- 325 AM PDT Sun Aug 23 2026 .TODAY... * Sky/weather...........Partly sunny. * Max temperature.......61-71...except 58-68 ridges. * Min humidity..........75-90 percent. * 20-foot winds......... * Valleys/lwr slopes..Light winds becoming west around 3 mph in the afternoon. * Ridges/upr slopes...West winds 3 to 5 mph. * Mixing height.........900-1900 ft AGL. * Transport winds.......West around 5 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...4 percent. .TONIGHT... * Sky/weather...........Mostly cloudy then becoming partly cloudy. * Min temperature.......48-58. * Max humidity..........81-96 percent...except 88-near 100 percent ridges. * 20-foot winds......... * Valleys/lwr slopes..Northwest winds around 3 mph in the evening becoming light. * Ridges/upr slopes...Northwest winds 3 to 5 mph. * Mixing height.........400-1100 ft AGL. * Transport winds.......North around 5 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...0 percent. .MONDAY... * Sky/weather...........Mostly sunny. * Max temperature.......68-78. * Min humidity..........61-76 percent. * 20-foot winds......... * Valleys/lwr slopes..Light winds becoming northwest around 4 mph in the afternoon. * Ridges/upr slopes...Northeast winds 3 to 6 mph. * Mixing height.........900-1900 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. .MONDAY NIGHT...Mostly clear. Lows 53 to 63. Northwest winds around 4 mph in the evening becoming light. .TUESDAY...Mostly sunny. Highs 72 to 82. Light winds becoming southwest around 3 mph in the afternoon. .TUESDAY NIGHT...Mostly cloudy. Lows in the mid 50s. Southwest winds 3 to 5 mph. .WEDNESDAY...Cooler. Mostly cloudy. Slight chance of showers in the morning, then chance of showers in the afternoon. Highs in the upper 60s. South winds 3 to 6 mph. .WEDNESDAY NIGHT...Mostly cloudy. Slight chance of rain in the evening, then chance of rain after midnight. Lows in the mid 50s. South winds around 3 mph. .THURSDAY...Partly sunny with a chance of rain. Highs 61 to 71. Southwest winds around 4 mph. .FRIDAY...Partly cloudy. Slight chance of rain. Lows in the lower 50s. Highs 62 to 72. .SATURDAY...Partly cloudy. Lows in the lower 50s. Highs 62 to 72. .8 TO 14 Day Outlook for western Washington Near normal temperatures and above normal precipitation. $$ WAZ651-232315- Central Coastal Lowlands- 325 AM PDT Sun Aug 23 2026 .TODAY... * Sky/weather...........Partly sunny. * Max temperature.......62-72. * Min humidity..........67-82 percent...except 77-86 percent ridges. * 20-foot winds......... * Valleys/lwr slopes..Light winds becoming west around 4 mph in the afternoon. * Ridges/upr slopes...Light winds becoming west around 3 mph in the afternoon. * Mixing height.........800 ft AGL increasing to 3000 ft AGL in the afternoon. * Transport winds.......West around 5 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...4 percent. .TONIGHT... * Sky/weather...........Partly cloudy. * Min temperature.......Around 54. * Max humidity..........82-97 percent. * 20-foot winds......... * Valleys/lwr slopes..Northwest winds around 4 mph in the evening becoming light. * Ridges/upr slopes...Northwest winds around 3 mph in the evening becoming light. * Mixing height.........400-1400 ft AGL. * Transport winds.......Northwest around 5 mph shifting to the north after midnight. * CWR (>0.25)...........0 percent. * Chance of Lightning...0 percent. .MONDAY... * Sky/weather...........Mostly sunny. * Max temperature.......75-85...except 72-82 ridges. * Min humidity..........47-62 percent...except 55-68 percent ridges. * 20-foot winds......... * Valleys/lwr slopes..Light winds becoming north around 3 mph in the afternoon. * Ridges/upr slopes...Light winds. * Mixing height.........700 ft AGL increasing to 2900 ft AGL in the afternoon. * Transport winds.......Northeast around 5 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...0 percent. .MONDAY NIGHT...Mostly clear. Lows in the upper 50s. Light winds. .TUESDAY...Mostly sunny. Highs 74 to 84 valleys...69 to 79 ridges. Light winds becoming southwest around 4 mph in the afternoon. .TUESDAY NIGHT...Mostly cloudy. Lows in the mid 50s. Southwest winds 4 to 7 mph. .WEDNESDAY...Cooler. Mostly cloudy. Slight chance of showersin the afternoon. Highs in the upper 60s valleys...in the lower 60s ridges. Southwest winds 3 to 6 mph. .WEDNESDAY NIGHT...Mostly cloudy. Chance of rain after midnight. Lows in the mid 50s. Southwest winds around 3 mph. .THURSDAY...Mostly cloudy. Chance of rain in the morning, then slight chance of rain in the afternoon. Highs in the upper 60s valleys...in the lower 60s ridges. Southwest winds around 4 mph. .FRIDAY...Partly cloudy. Lows in the lower 50s. Highs in the upper 60s valleys...in the lower 60s ridges. .SATURDAY...Partly cloudy. Lows in the lower 50s. Highs 65 to 75 valleys...in the lower 60s ridges. .8 TO 14 Day Outlook for western Washington Near normal temperatures and above normal precipitation. $$ WAZ652-232315- West Portion of the Olympic Mountains- 325 AM PDT Sun Aug 23 2026 .TODAY... * Sky/weather...........Mostly sunny. * Max temperature.......59-69...except 56-66 ridges. * Min humidity..........67-82 percent. * 20-foot winds......... * Valleys/lwr slopes..Upslope/upvalley 2 to 3 mph. * Ridges/upr slopes...Light winds becoming west around 4 mph in the afternoon. * Mixing height.........1000-2000 ft AGL. * Transport winds.......West around 5 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...4 percent. * Freezing level........11500 Feet. .TONIGHT... * Sky/weather...........Partly cloudy. * Min temperature.......44-54. * Max humidity..........75-90 percent. * 20-foot winds......... * Valleys/lwr slopes..Downslope/downvalley around 3 mph. * Ridges/upr slopes...Northwest winds around 3 mph shifting to the northeast after midnight. * Mixing height.........300-1100 ft AGL. * Transport winds.......North around 5 mph shifting to the northeast after midnight. * CWR (>0.25)...........0 percent. * Chance of Lightning...0 percent. * Freezing level........13000 Feet. .MONDAY... * Sky/weather...........Sunny. * Max temperature.......72-82...except 66-76 ridges. * Min humidity..........48-63 percent. * 20-foot winds......... * Valleys/lwr slopes..Upslope/upvalley around 3 mph. * Ridges/upr slopes...Northeast winds around 4 mph shifting to the west around 3 mph in the afternoon. * Mixing height.........600 ft AGL increasing to 3100 ft AGL in the afternoon. * Transport winds.......Northeast around 5 mph shifting to the southwest in the afternoon. * CWR (>0.25)...........0 percent. * Chance of Lightning...0 percent. * Freezing level........13500 Feet. .MONDAY NIGHT...Mostly clear. Freezing level 13500 feet. Lows in the upper 50s. Light winds becoming northeast around 4 mph after midnight. .TUESDAY...Sunny. Freezing level 13500 feet. Highs 71 to 81. East winds around 3 mph shifting to the southwest around 5 mph in the afternoon. .TUESDAY NIGHT...Partly cloudy. Freezing level 12500 feet. Lows in the mid 50s. Southwest winds 3 to 6 mph. .WEDNESDAY...Mostly sunny with slight chance of showers. Freezing level 12500 feet. Highs 57 to 67. Southwest winds 3 to 6 mph. .WEDNESDAY NIGHT...Mostly cloudy. Slight chance of rain in the evening, then chance of rain after midnight. Freezing level 11500 feet. Lows in the lower 50s. Southwest winds around 4 mph. .THURSDAY...Partly sunny with a chance of rain. Freezing level 10000 feet. Highs 57 to 67 valleys...52 to 62 ridges. Southwest winds around 4 mph. .FRIDAY...Partly cloudy. Slight chance of rain. Freezing level 10500 feet. Lows in the upper 40s. Highs 56 to 66. .SATURDAY...Partly cloudy. Freezing level 11500 feet. Lows in the upper 40s. Highs 57 to 67. .8 TO 14 Day Outlook for western Washington Near normal temperatures and above normal precipitation. $$ WAZ661-232315- East Portion of the Olympic Mountains- 325 AM PDT Sun Aug 23 2026 .TODAY... * Sky/weather...........Mostly sunny. *Max temperature.......61-71...except 56-66 ridges. * Min humidity..........67-82 percent. * 20-foot winds......... * Valleys/lwr slopes..Upslope/upvalley 2 to 3 mph. * Ridges/upr slopes...Light winds becoming west around 3 mph in the afternoon. * Mixing height.........1200-2200 ft AGL. * Transport winds.......West around 5 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...4 percent. * Freezing level........11500 Feet. .TONIGHT... * Sky/weather...........Partly cloudy. * Min temperature.......47-57...except 44-54 ridges. * Max humidity..........79-94 percent. * 20-foot winds......... * Valleys/lwr slopes..Downslope/downvalley around 2 mph. * Ridges/upr slopes...North winds 3 to 4 mph. * Mixing height.........300-1100 ft AGL. * Transport winds.......North around 5 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...0 percent. * Freezing level........13000 Feet. .MONDAY... * Sky/weather...........Sunny. * Max temperature.......70-80...except 65-75 ridges. * Min humidity..........46-61 percent. * 20-foot winds......... * Valleys/lwr slopes..Upslope/upvalley around 3 mph. * Ridges/upr slopes...Northeast winds 3 to 5 mph. * Mixing height.........600 ft AGL increasing to 2800 ft AGL in the afternoon. * Transport winds.......Northeast around 5 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...0 percent. * Freezing level........13500 Feet. .MONDAY NIGHT...Mostly clear. Freezing level 13500 feet. Lows in the upper 50s. North winds 3 to 5 mph. .TUESDAY...Sunny. Freezing level 13500 feet. Highs 74 to 84 valleys...68 to 78 ridges. North winds around 3 mph shifting to the south around 5 mph in the afternoon. .TUESDAY NIGHT...Partly cloudy. Freezing level 13000 feet. Lows 49 to 59. Southwest winds 4 to 7 mph. .WEDNESDAY...Mostly sunny. Slight chance of showers in the afternoon. Freezing level 12500 feet. Highs 62 to 72 valleys...55 to 65 ridges. Southwest winds 4 to 7 mph. .WEDNESDAY NIGHT...Colder. Partly cloudy with slight chance of rain. Freezing level 11500 feet. Lows 44 to 54. Southwest winds around 5 mph. .THURSDAY...Partly sunny. Slight chance of rain in the morning, then chance of rain in the afternoon. Freezing level 10500 feet. Highs 59 to 69 valleys...51 to 61 ridges. Southwest winds around 5 mph. .FRIDAY...Partly cloudy. Slight chance of rain. Freezing level 10500 feet. Lows around 50 valleys...in the mid 40s ridges. Highs 60 to 70 valleys...52 to 62 ridges. .SATURDAY...Partly cloudy. Slight chance of rain. Freezing level 11500 feet. Lows 43 to 53. Highs 60 to 70 valleys...53 to 63 ridges. .8 TO 14 Day Outlook for western Washington Near normal temperatures and above normal precipitation. $$ WAZ653-232315- Strait of Juan De Fuca and Northwest Interior Lowlands- 325 AM PDT Sun Aug 23 2026 .TODAY... * Sky/weather...........Partly sunny. Chance of showers and slight chance of thunderstorms in the morning. * Max temperature.......65-75. * Min humidity..........65-80 percent. * 20-foot winds.........Southwest winds 3 to 6 mph. * Mixing height.........600-1300 ft AGL. * Transport winds.......Southwest around 5 mph. * CWR (>0.25)...........5 percent. * Chance of Lightning...4 percent. .TONIGHT... * Sky/weather...........Partly cloudy. * Min temperature.......47-57. * Max humidity..........85-100 percent. * 20-foot winds.........West winds 3 to 5 mph. * Mixing height.........400-600 ft AGL. * Transport winds.......Northwest around 5 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...0 percent. .MONDAY... * Sky/weather...........Mostly sunny. * Max temperature.......68-78. * Min humidity..........59-74 percent. * 20-foot winds.........Northwest winds 4 to 7 mph. * Mixing height.........600-1200 ft AGL.* Transport winds.......North 5 to 10 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...0 percent. .MONDAY NIGHT...Mostly clear. Lows in the mid 50s. Northwest winds around 4 mph in the evening becoming light. .TUESDAY...Warmer, sunny. Highs 75 to 85. Light winds becoming northwest around 3 mph in the afternoon. .TUESDAY NIGHT...Partly cloudy. Lows 51 to 61. West winds around 5 mph shifting to the southwest around 6 mph after midnight. .WEDNESDAY...Partly sunny. Slight chance of showers in the afternoon. Highs 68 to 78. Southwest winds 5 to 8 mph. .WEDNESDAY NIGHT...Partly cloudy with slight chance of rain. Lows 49 to 59. Southwest winds around 4 mph. .THURSDAY...Partly sunny. Slight chance of rain in the morning, then chance of rain in the afternoon. Highs 64 to 74. South winds around 5 mph. .FRIDAY...Partly cloudy. Slight chance of rain. Lows 48 to 58. Highs 63 to 73. .SATURDAY...Partly cloudy. Slight chance of rain. Lows 47 to 57. Highs 63 to 73. .8 TO 14 Day Outlook for western Washington Near normal temperatures and above normal precipitation. $$ WAZ654-232315- Central and South Puget Sound Lowlands- 325 AM PDT Sun Aug 23 2026 .TODAY... * Sky/weather...........Partly sunny. * Max temperature.......65-75. * Min humidity..........61-76 percent. * 20-foot winds.........South winds 3 to 6 mph. * Mixing height.........1100 ft AGL increasing to 3800 ft AGL in the afternoon. * Transport winds.......Southwest around 5 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...3 percent. .TONIGHT... * Sky/weather...........Partly cloudy. * Min temperature.......48-58. * Max humidity..........81-96 percent. * 20-foot winds.........North winds 3 to 6 mph. * Mixing height.........600-1600 ft AGL. * Transport winds.......North around 5 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...0 percent. .MONDAY... * Sky/weather...........Sunny. Patchy smoke in the afternoon. * Max temperature.......70-80. * Min humidity..........52-67 percent. * 20-foot winds.........Northeast winds 6 to 9 mph. * Mixing height.........1300-2300 ft AGL. * Transport winds.......Northeast around 10 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...0 percent. .MONDAY NIGHT...Mostly clear. Lows in the mid 50s. North winds 3 to 7 mph. .TUESDAY...Warmer, sunny. Highs 80 to 90. Light winds becoming northwest around 4 mph in the afternoon. .TUESDAY NIGHT...Partly cloudy. Lows in the mid 50s. Southwest winds 8 to 11 mph. .WEDNESDAY...Mostly sunny. Highs 70 to 80. Southwest winds 7 to 10 mph. .WEDNESDAY NIGHT...Partly cloudy. Lows 49 to 59. Southwest winds around 7 mph. .THURSDAY...Partly sunny. Slight chance of rain in the afternoon. Highs 67 to 77. Southwest winds around 7 mph. .FRIDAY...Partly cloudy. Lows 47 to 57. Highs 67 to 77. .SATURDAY...Partly cloudy. Lows in the lower 50s. Highs 67 to 77. .8 TO 14 Day Outlook for western Washington Near normal temperatures and above normal precipitation. $$ WAZ655-232315- Black Hills and Southwest Interior Lowlands- 325 AM PDT Sun Aug 23 2026 .TODAY... * Sky/weather...........Partly sunny. * Max temperature.......66-76. * Min humidity..........61-76 percent. * 20-foot winds.........Light winds becoming west around 3 mph in the afternoon. * Mixing height.........1100 ft AGL increasing to 3600 ft AGL in the afternoon. * Transport winds.......West around 5 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...4 percent. .TONIGHT... * Sky/weather...........Partly cloudy. * Min temperature.......48-58. * Max humidity..........80-95 percent. * 20-foot winds.........Light winds. * Mixing height.........700-1700 ft AGL. * Transport winds.......North around 5 mph. * CWR (>0.25)...........0percent. * Chance of Lightning...0 percent. .MONDAY... * Sky/weather...........Mostly sunny. Patchy smoke in the afternoon. * Max temperature.......79-89. * Min humidity..........36-51 percent. * 20-foot winds.........Northeast winds 3 to 6 mph. * Mixing height.........800 ft AGL increasing to 3000 ft AGL in the afternoon. * Transport winds.......Northeast around 10 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...0 percent. .MONDAY NIGHT...Mostly clear. Lows 53 to 63. North winds around 3 mph in the evening becoming light. .TUESDAY...Sunny. Highs 82 to 92. Light winds becoming west around 3 mph in the afternoon. .TUESDAY NIGHT...Partly cloudy. Lows in the mid 50s. West winds 4 to 7 mph. .WEDNESDAY...Partly sunny. Highs 71 to 81. Southwest winds 3 to 5 mph. .WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 50s. West winds around 4 mph. .THURSDAY...Partly sunny. Slight chance of rain in the afternoon. Highs in the lower 70s. Southwest winds around 3 mph. .FRIDAY...Partly cloudy. Lows around 50. Highs in the mid 70s. .SATURDAY...Partly cloudy. Lows around 50. Highs in the mid 70s. .8 TO 14 Day Outlook for western Washington Near normal temperatures and above normal precipitation. $$ WAZ656-232315- Northeast Puget Sound Lowlands Generally Below 1500 Feet- 325 AM PDT Sun Aug 23 2026 .TODAY... * Sky/weather...........Partly sunny. Chance of showers and slight chance of thunderstorms in the morning, then slight chance of showers in the afternoon. * Max temperature.......60-70. * Min humidity..........66-81 percent. * 20-foot winds.........South winds around 3 mph in the morning becoming light. * Mixing height.........1200-2200 ft AGL. * Transport winds.......Southwest around 5 mph. * CWR (>0.25)...........10 percent. * Chance of Lightning...7 percent. .TONIGHT... * Sky/weather...........Partly cloudy. * Min temperature.......46-56. * Max humidity..........77-92 percent. * 20-foot winds.........Light winds. * Mixing height.........300-1300 ft AGL. * Transport winds.......Northwest around 5 mph shifting to the northeast after midnight. * CWR (>0.25)...........0 percent. * Chance of Lightning...0 percent. .MONDAY... * Sky/weather...........Mostly sunny. Patchy smoke. * Max temperature.......73-83. * Min humidity..........45-60 percent. * 20-foot winds.........Light winds becoming northwest around 4 mph in the afternoon. * Mixing height.........1100-2100 ft AGL. * Transport winds.......Northeast around 5 mph shifting to the northwest in the afternoon. * CWR (>0.25)...........0 percent. * Chance of Lightning...0 percent. .MONDAY NIGHT...Mostly clear. Lows 53 to 63. Northwest winds around 3 mph in the evening becoming light. .TUESDAY...Warmer, sunny. Highs 82 to 92. Light winds. .TUESDAY NIGHT...Partly cloudy. Lows in the upper 50s. West winds around 3 mph shifting to the south after midnight. .WEDNESDAY...Mostly sunny. Highs 71 to 81. South winds 3 to 6 mph. .WEDNESDAY NIGHT...Partly cloudy. Slight chance of rain after midnight. Lows in the mid 50s. Southwest winds around 3 mph. .THURSDAY...Partly sunny with slight chance of rain. Highs 67 to 77. South winds around 4 mph. .FRIDAY...Partly cloudy. Lows in the lower 50s. Highs 67 to 77. .SATURDAY...Partly cloudy. Lows in the lower 50s. Highs 67 to 77. .8 TO 14 Day Outlook for western Washington Near normal temperatures and above normal precipitation. $$ WAZ657-232315- Southeast Puget Sound Lowlands Generally Below 1500 Feet- 325 AM PDT Sun Aug 23 2026 .TODAY... * Sky/weather...........Mostly cloudy then becoming mostly sunny. Slight chance of showers in the morning. * Max temperature.......66-76. * Min humidity..........57-72 percent. * 20-foot winds.........Light winds.* Mixing height.........1300 ft AGL increasing to 3800 ft AGL in the afternoon. * Transport winds.......West around 5 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...5 percent. .TONIGHT... * Sky/weather...........Mostly clear. * Min temperature.......48-58. * Max humidity..........78-93 percent. * 20-foot winds.........North winds 3 to 4 mph. * Mixing height.........700-1700 ft AGL. * Transport winds.......North around 5 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...0 percent. .MONDAY... * Sky/weather...........Sunny. Patchy smoke in the afternoon. * Max temperature.......76-86. * Min humidity..........45-60 percent. * 20-foot winds.........Light winds becoming north around 5 mph in the afternoon. * Mixing height.........1100-2100 ft AGL. * Transport winds.......North 5 to 10 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...0 percent. .MONDAY NIGHT...Mostly clear. Lows in the upper 50s. North winds around 3 mph in the evening becoming light. .TUESDAY...Sunny. Highs in the upper 80s. Light winds. .TUESDAY NIGHT...Partly cloudy. Slight chance of showers after midnight. Lows in the upper 50s. Southwest winds 3 to 5 mph. .WEDNESDAY...Not as warm. Partly sunny. Highs in the upper 70s. Light winds becoming southwest around 3 mph in the afternoon. .WEDNESDAY NIGHT...Partly cloudy. Lows 50 to 60. Southwest winds around 3 mph. .THURSDAY...Mostly cloudy. Highs in the mid 70s. Southwest winds around 3 mph. .FRIDAY...Partly cloudy. Lows 48 to 58. Highs in the mid 70s. .SATURDAY...Partly cloudy. Lows 48 to 58. Highs in the mid 70s. .8 TO 14 Day Outlook for western Washington Near normal temperatures and above normal precipitation. $$ WAZ658-232315- West Slopes of the North Cascades Generally above 1500 Feet- 325 AM PDT Sun Aug 23 2026 .TODAY... * Sky/weather...........Partly sunny. Slight chance of thunderstorms in the morning. Chance of showers through the day. * Max temperature.......59-69...except 53-63 ridges. * Min humidity..........70-85 percent. * 20-foot winds......... * Valleys/lwr slopes..Upslope/upvalley 3 to 4 mph. * Ridges/upr slopes...West winds 3 to 6 mph. * Mixing height.........1000-1700 ft AGL. * Transport winds.......West around 10 mph. * CWR (>0.25)...........10 percent. * Chance of Lightning...10 percent. * Freezing level........10500 Feet. .TONIGHT... * Sky/weather...........Partly cloudy. Patchy smoke. * Min temperature.......46-56...except 41-51 ridges. * Max humidity..........77-92 percent. * 20-foot winds......... * Valleys/lwr slopes..Downslope/downvalley 2 to 3 mph. * Ridges/upr slopes...West winds around 3 mph shifting to the northeast around 4 mph after midnight. * Mixing height.........300-1100 ft AGL. * Transport winds.......Northwest around 5 mph shifting to the northeast after midnight. * CWR (>0.25)...........0 percent. * Chance of Lightning...0 percent. * Freezing level........13000 Feet. .MONDAY... * Sky/weather...........Sunny. Patchy smoke through the day. * Max temperature.......72-82...except 67-77 ridges. * Min humidity..........43-58 percent. * 20-foot winds......... * Valleys/lwr slopes..Upslope/upvalley around 3 mph. * Ridges/upr slopes...East winds around 4 mph shifting to the west around 3 mph in the afternoon. * Mixing height.........700 ft AGL increasing to 4100 ft AGL in the afternoon. * Transport winds.......East around 5 mph shifting to the south in the afternoon. * CWR (>0.25)...........0 percent. * Chance of Lightning...0 percent. * Freezing level........13000 Feet. .MONDAY NIGHT...Mostly clear. Freezing level 13500 feet. Lows 51 to 61. Northwest winds around 3 mph shifting to the east around 7 mph after midnight. .TUESDAY...Sunny. Freezing level 13500 feet. Highs 78 to 88 valleys...72 to 82 ridges. East winds around 7 mph shifting to the southwest around 3 mph in the afternoon. .TUESDAY NIGHT...Partly cloudy. Freezing level 13500 feet. Lows 51 to 61. Southwest winds 3 to 5 mph. .WEDNESDAY...Mostly sunny. Freezing level 13000 feet. Highs 67 to 77 valleys...60 to 70 ridges. Southwest winds 3 to 6 mph. .WEDNESDAY NIGHT...Cooler. Partly cloudy. Slight chance of rain after midnight. Freezing level 12500 feet. Lows in the lower 50s valleys...in the upper 40s ridges. Southwest winds around 6 mph. .THURSDAY...Partly sunny with slight chance of rain. Freezing level 11000 feet. Highs 61 to 71 valleys...53 to 63 ridges. Southwest winds around 5 mph. .FRIDAY...Partly cloudy. Freezing level 10500 feet. Lows 45 to 55 valleys...in the mid 40s ridges. Highs 62 to 72 valleys...54 to 64 ridges. .SATURDAY...Partly cloudy. Slight chance of rain. Freezing level 10500 feet. Lows 45 to 55 valleys...40 to 50 ridges. Highs 62 to 72 valleys...54 to 64 ridges. .8 TO 14 Day Outlook for western Washington Near normal temperatures and above normal precipitation. $$ WAZ659-232315- West Slopes of the Central Cascades Generally above 1500 Feet- 325 AM PDT Sun Aug 23 2026 .TODAY... * Sky/weather...........Partly sunny. Chance of showers in the morning. * Max temperature.......64-74...except 54-64 ridges. * Min humidity..........62-77 percent. * 20-foot winds......... * Valleys/lwr slopes..Upslope/upvalley 2 to 3 mph. * Ridges/upr slopes...West winds 4 to 7 mph. * Mixing height.........1400-2400 ft AGL. * Transport winds.......West 5 to 10 mph. * CWR (>0.25)...........5 percent. * Chance of Lightning...5 percent. * Freezing level........11500 Feet. .TONIGHT... * Sky/weather...........Partly cloudy. * Min temperature.......47-57...except 43-53 ridges. * Max humidity..........65-80 percent. * 20-foot winds......... * Valleys/lwr slopes..Downslope/downvalley around 2 mph. * Ridges/upr slopes...Northwest winds around 3 mph shifting to the east around 4 mph after midnight. * Mixing height.........400-1400 ft AGL. * Transport winds.......North around 5 mph shifting to the northeast after midnight. * CWR (>0.25)...........0 percent. * Chance of Lightning...0 percent. * Freezing level........13500 Feet. .MONDAY... * Sky/weather...........Sunny. Areas of smoke in the morning, then patchy smoke in the afternoon. * Max temperature.......76-86...except 69-79 ridges. * Min humidity..........42-57 percent...except 36-51 percent ridges. * 20-foot winds......... * Valleys/lwr slopes..Upslope/upvalley around 3 mph. * Ridges/upr slopes...East winds around 4 mph shifting to the north around 3 mph in the afternoon. * Mixing height.........700 ft AGL increasing to 4200 ft AGL in the afternoon. * Transport winds.......East around 5 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...0 percent. * Freezing level........13500 Feet. .MONDAY NIGHT...Mostly clear. Freezing level 14000 feet. Lows 53 to 63. Light winds becoming east around 7 mph after midnight. .TUESDAY...Sunny. Freezing level 13500 feet. Highs 79 to 89 valleys...72 to 82 ridges. East winds around 6 mph shifting to the west around 4 mph in the afternoon. .TUESDAY NIGHT...Partly cloudy. Freezing level 13500 feet. Lows 50 to 60. West winds around 3 mph in the evening becoming light. .WEDNESDAY...Mostly sunny. Freezing level 13500 feet. Highs 68 to 78 valleys...60 to 70 ridges. Light winds becoming west around 5 mph in the afternoon. .WEDNESDAY NIGHT...Partly cloudy. Freezing level 13500 feet. Lows 48 to 58 valleys...in the upper 40s ridges. West winds around 4 mph. .THURSDAY...Partly sunny. Freezing level 12000 feet. Highs 63 to 73 valleys...54 to 64 ridges. West winds around 4 mph. .FRIDAY...Partly cloudy. Freezing level 11500 feet. Lows 46 to 56 valleys...in the mid 40s ridges. Highs 64 to 74 valleys...55 to 65 ridges. .SATURDAY...Partly cloudy. Freezing level 12000 feet. Lows 46 to 56 valleys...in the mid 40s ridges. Highs 63 to 73 valleys...55 to 65 ridges. .8 TO 14 Day Outlook for western Washington Near normal temperatures and above normal precipitation. $$ www.weather.gov/seattle