FNUS56 KSEW 210955 FWFSEW Fire Weather Planning Forecast for Western Washington National Weather Service Seattle WA 255 AM PDT Sun Jun 21 2026 .DISCUSSION...Warmer and dry weather continues through the middle of the week. Accompanying warm temperatures will be low minimum relative humidity values in the 20 to 30 percent range. Isolated areas in the Chehalis Valley could see relative humidity values in the teens by Tuesday. Additionally, a thermal trough will set up just inland from the coast, creating a conditionally unstable atmosphere through Wednesday. Temperatures begin to cool off Thursday and into the weekend. Forecast for 20 foot wind speed (valleys and ridge tops) are 10 minute averages reflecting RAWS winds. WAZ649-212315- North and Central Coastal Strip- 255 AM PDT Sun Jun 21 2026 .TODAY... * Sky/weather...........Mostly sunny. * Max temperature.......61-71. * Min humidity..........67-82 percent. * 20-foot winds......... * Valleys/lwr slopes..Light winds becoming west around 5 mph in the afternoon. * Ridges/upr slopes...Southwest winds 3 to 6 mph. * Mixing height.........900-1300 ft AGL. * Transport winds.......West around 5 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...0 percent. .TONIGHT... * Sky/weather...........Partly cloudy. Patchy fog after midnight. * Min temperature.......47-57. * Max humidity..........85-100 percent. * 20-foot winds......... * Valleys/lwr slopes..Northwest winds around 5 mph in the evening becoming light. * Ridges/upr slopes...Northwest winds 3 to 6 mph. * Mixing height.........400-800 ft AGL. * Transport winds.......Northwest 5 to 10 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...0 percent. .MONDAY... * Sky/weather...........Mostly sunny. * Max temperature.......71-81. * Min humidity..........50-65 percent. * 20-foot winds......... * Valleys/lwr slopes..Light winds becoming northwest around 5 mph in the afternoon. * Ridges/upr slopes...Light winds becoming northwest around 5 mph in the afternoon. * Mixing height.........500-1200 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 upper 50s. Northwest winds 3 to 6 mph. .TUESDAY...Mostly sunny. Highs 75 to 85. Light winds becoming northwest around 6 mph in the afternoon. .TUESDAY NIGHT...Partly cloudy. Lows in the mid 50s. Northwest winds 5 to 8 mph. .WEDNESDAY...Mostly sunny. Highs 65 to 75. Northwest winds 5 to 8 mph. .WEDNESDAY NIGHT...Mostly cloudy. Lows in the lower 50s. Northwest winds around 8 mph. .THURSDAY...Mostly cloudy. Chance of rain in the afternoon. Highs in the lower 60s. West winds around 6 mph. .FRIDAY...Rain likely. Lows in the lower 50s. Highs in the lower 60s. .SATURDAY...Mostly cloudy. Rain likely. Lows in the lower 50s. Highs in the lower 60s. .8 TO 14 Day Outlook for 8-14 DAY OUTLOOK TABLE Near normal temperatures and above normal precipitation. $$ WAZ650-212315- North Coastal Lowlands- 255 AM PDT Sun Jun 21 2026 .TODAY... * Sky/weather...........Mostly sunny. * Max temperature.......67-77...except 64-74 ridges. * Min humidity..........52-67 percent. * 20-foot winds......... * Valleys/lwr slopes..Light winds becoming west around 4 mph in the afternoon. * Ridges/upr slopes...Light winds becoming west around 4 mph in the afternoon. * Mixing height.........900-1900 ft AGL. * Transport winds.......Northwest around 5 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...0 percent. .TONIGHT... * Sky/weather...........Partly cloudy. * Min temperature.......50-60. * Max humidity..........73-88 percent. * 20-foot winds......... * Valleys/lwrslopes..Northwest winds around 3 mph in the evening becoming light. * Ridges/upr slopes...Northwest winds around 4 mph in the evening becoming light. * Mixing height.........400-1000 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.......74-84. * Min humidity..........37-52 percent. * 20-foot winds......... * Valleys/lwr slopes..Light winds becoming northwest around 5 mph in the afternoon. * Ridges/upr slopes...Northeast winds 3 to 6 mph. * Mixing height.........800 ft AGL increasing to 3000 ft AGL in the afternoon. * 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...Partly cloudy. Lows 56 to 66. North winds 3 to 5 mph. .TUESDAY...Warmer. Mostly sunny. Highs 81 to 91 valleys...76 to 86 ridges. Light winds becoming west around 4 mph in the afternoon. .TUESDAY NIGHT...Partly cloudy. Lows 53 to 63. Northwest winds 3 to 6 mph. .WEDNESDAY...Mostly sunny. Highs 70 to 80. Light winds becoming west around 6 mph in the afternoon. .WEDNESDAY NIGHT...Mostly cloudy. Lows in the lower 50s. West winds around 6 mph. .THURSDAY...Partly sunny. Slight chance of rain in the afternoon. Highs 60 to 70. West winds around 5 mph. .FRIDAY...Rain. Lows in the lower 50s. Highs 56 to 66. .SATURDAY...Mostly cloudy with rain likely. Lows in the lower 50s. Highs 57 to 67 valleys...in the upper 50s ridges. .8 TO 14 Day Outlook for 8-14 DAY OUTLOOK TABLE Near normal temperatures and above normal precipitation. $$ WAZ651-212315- Central Coastal Lowlands- 255 AM PDT Sun Jun 21 2026 .TODAY... * Sky/weather...........Partly sunny then becoming sunny. * Max temperature.......70-80...except 67-77 ridges. * Min humidity..........49-64 percent. * 20-foot winds......... * Valleys/lwr slopes..Light winds becoming west around 5 mph in the afternoon. * Ridges/upr slopes...Light winds becoming west around 5 mph in the afternoon. * Mixing height.........1300-2300 ft AGL. * Transport winds.......Northwest around 5 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...0 percent. .TONIGHT... * Sky/weather...........Partly cloudy. Patchy fog after midnight. * Min temperature.......48-58. * Max humidity..........78-93 percent. * 20-foot winds......... * Valleys/lwr slopes..West winds around 4 mph in the evening becoming light. * Ridges/upr slopes...West winds around 5 mph in the evening becoming light. * Mixing height.........400-1100 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.......79-89. * Min humidity..........31-46 percent. * 20-foot winds......... * Valleys/lwr slopes..Light winds becoming northwest around 4 mph in the afternoon. * Ridges/upr slopes...Light winds becoming west around 4 mph in the afternoon. * Mixing height.........800 ft AGL increasing to 3600 ft AGL in the afternoon. * 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 55 to 65. Northwest winds around 4 mph in the evening becoming light. .TUESDAY...Warmer. Mostly sunny. Highs 86 to 96 valleys...80 to 90 ridges. Light winds becoming west around 4 mph in the afternoon. .TUESDAY NIGHT...Partly cloudy. Lows 53 to 63. West winds 4 to 7 mph. .WEDNESDAY...Mostly sunny. Highs 74 to 84. West winds 3 to 9 mph. .WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 50s. West winds around 10 mph. .THURSDAY...Partly sunny. Highs 63 to 73 valleys...58 to 68 ridges. West winds around 8 mph. .FRIDAY...Rain. Lows in the lower 50s. Highs 58 to 68 valleys...in the mid 50s ridges. .SATURDAY...Mostly cloudy. Chance of rain. Lows in the lower 50s. Highs 59 to 69 valleys...in the upper 50s ridges. .8 TO 14 Day Outlook for 8-14 DAY OUTLOOK TABLE Near normal temperatures and above normal precipitation. $$ WAZ652-212315- West Portion of the Olympic Mountains- 255 AM PDT Sun Jun 21 2026 .TODAY... * Sky/weather...........Mostly sunny. * Max temperature.......67-77...except 61-71 ridges. * Min humidity..........50-65 percent. * 20-foot winds......... * Valleys/lwr slopes..Upslope/upvalley 2 to 5 mph. * Ridges/upr slopes...Light winds becoming west around 6 mph in the afternoon. * Mixing height.........1000 ft AGL increasing to 3600 ft AGL in the afternoon. * Transport winds.......North 5 to 10 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...1 percent. * Freezing level........10500 Feet. .TONIGHT... * Sky/weather...........Mostly clear. * Min temperature.......47-57. * Max humidity..........61-76 percent. * 20-foot winds......... * Valleys/lwr slopes..Downslope/downvalley around 3 mph. * Ridges/upr slopes...Northwest winds around 4 mph shifting to the northeast around 3 mph after midnight. * Mixing height.........600-1600 ft AGL. * Transport winds.......North around 5 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...0 percent. * Freezing level........11500 Feet. .MONDAY... * Sky/weather...........Mostly sunny. * Max temperature.......75-85...except 69-79 ridges. * Min humidity..........33-48 percent. * 20-foot winds......... * Valleys/lwr slopes..Upslope/upvalley 3 to 5 mph. * Ridges/upr slopes...Northeast winds around 4 mph shifting to the west around 5 mph in the afternoon. * Mixing height.........1200 ft AGL increasing to 5300 ft AGL in the afternoon. * Transport winds.......Northeast around 5 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...0 percent. * Freezing level........12000 Feet. .MONDAY NIGHT...Partly cloudy. Freezing level 12500 feet. Lows 56 to 66. Northwest winds around 4 mph shifting to the northeast around 5 mph after midnight. .TUESDAY...Warmer. Mostly sunny. Freezing level 12000 feet. Highs 78 to 88 valleys...71 to 81 ridges. Northeast winds around 5 mph shifting to the west in the afternoon. .TUESDAY NIGHT...Partly cloudy. Freezing level 12500 feet. Lows around 60. Northwest winds around 6 mph shifting to the north around 4 mph after midnight. .WEDNESDAY...Mostly sunny. Freezing level 12000 feet. Highs 70 to 80 valleys...64 to 74 ridges. West winds 3 to 8 mph. .WEDNESDAY NIGHT...Partly cloudy. Freezing level 12000 feet. Lows in the lower 50s. West winds around 6 mph. .THURSDAY...Partly sunny. Freezing level 11500 feet. Highs 55 to 65. West winds around 6 mph. .FRIDAY...Rain. Freezing level 10000 feet. Lows 44 to 54. Highs 49 to 59. .SATURDAY...Rain likely. Freezing level 6500 feet. Lows 43 to 53. Highs 49 to 59. .8 TO 14 Day Outlook for 8-14 DAY OUTLOOK TABLE Near normal temperatures and above normal precipitation. $$ WAZ661-212315- East Portion of the Olympic Mountains- 255 AM PDT Sun Jun 21 2026 .TODAY... * Sky/weather...........Mostly sunny. * Max temperature.......67-77...except 61-71 ridges. * Min humidity..........48-63 percent. * 20-foot winds......... * Valleys/lwr slopes..Upslope/upvalley 2 to 5 mph. * Ridges/upr slopes...North winds 3 to 6 mph. * Mixing height.........1100 ft AGL increasing to 3700 ft AGL in the afternoon. * Transport winds.......North around 5 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...3 percent. * Freezing level........10500 Feet. .TONIGHT... * Sky/weather...........Mostly clear. * Min temperature.......49-59...except 45-55 ridges. * Max humidity..........64-79 percent...except 57-72 percent ridges. * 20-foot winds......... * Valleys/lwr slopes..Downslope/downvalley 2 to 3 mph. * Ridges/upr slopes...North winds 3 to 5 mph. * Mixing height.........600-1600 ft AGL. * Transport winds.......North around 5 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...1 percent. * Freezing level........11500 Feet. .MONDAY... * Sky/weather...........Mostly sunny. * Max temperature.......75-85...except 67-77 ridges. * Min humidity..........30-45 percent. * 20-foot winds......... * Valleys/lwr slopes..Upslope/upvalley 3 to 5 mph. * Ridges/upr slopes...Northeast winds 4 to 7 mph. * Mixing height.........1200 ft AGL increasing to 5000 ft AGL in the afternoon. * Transport winds.......Northeast 5 to 10 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...0 percent. * Freezing level........12000 Feet. .MONDAY NIGHT...Mostly clear. Freezing level 12500 feet. Lows 56 to 66 valleys...51 to 61 ridges. Northwest winds 3 to 6 mph. .TUESDAY...Mostly sunny. Freezing level 12000 feet. Highs 77 to 87 valleys...68 to 78 ridges. North winds 3 to 5 mph. .TUESDAY NIGHT...Partly cloudy. Freezing level 12500 feet. Lows 57 to 67 valleys...52 to 62 ridges. Northwest winds 3 to 6 mph. .WEDNESDAY...Mostly sunny. Freezing level 12500 feet. Highs 72 to 82 valleys...64 to 74 ridges. West winds 3 to 6 mph. .WEDNESDAY NIGHT...Cooler. Partly cloudy. Freezing level 12000 feet. Lows 48 to 58. West winds around 6 mph. .THURSDAY...Partly sunny. Slight chance of rain in the afternoon. Freezing level 11500 feet. Highs 60 to 70 valleys...52 to 62 ridges. Southwest winds around 6 mph. .FRIDAY...Rain. Freezing level 10000 feet. Lows in the lower 50s valleys...in the mid 40s ridges. Highs 53 to 63 valleys...45 to 55 ridges. .SATURDAY...Mostly cloudy with rain likely. Freezing level 6500 feet. Lows 42 to 52. Highs 54 to 64 valleys...46 to 56 ridges. .8 TO 14 Day Outlook for 8-14 DAY OUTLOOK TABLE Near normal temperatures and above normal precipitation. $$ WAZ653-212315- Strait of Juan De Fuca and Northwest Interior Lowlands- 255 AM PDT Sun Jun 21 2026 .TODAY... * Sky/weather...........Mostly sunny. * Max temperature.......70-80. * Min humidity..........48-63 percent. * 20-foot winds.........Light winds becoming northwest around 4 mph in the afternoon. * Mixing height.........700-1200 ft AGL. * Transport winds.......Southwest around 5 mph shifting to the northwest in the afternoon. * CWR (>0.25)...........0 percent. * Chance of Lightning...0 percent. .TONIGHT... * Sky/weather...........Mostly clear. * Min temperature.......50-60. * Max humidity..........68-83 percent. * 20-foot winds.........West winds around 3 mph in the evening becoming light. * Mixing height.........400-600 ft AGL. * Transport winds.......West around 5 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...0 percent. .MONDAY... * Sky/weather...........Mostly sunny. * Max temperature.......76-86. * Min humidity..........37-52 percent. * 20-foot winds.........Northwest winds 3 to 6 mph. * Mixing height.........600-1500 ft AGL. * Transport winds.......North 5 to 10 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...0 percent. .MONDAY NIGHT...Partly cloudy. Lows in the upper 50s. West winds 3 to 5 mph. .TUESDAY...Mostly sunny. Highs 80 to 90. Light winds becoming northwest around 5 mph in the afternoon. .TUESDAY NIGHT...Partly cloudy. Lows in the upper 50s. West winds 3 to 6 mph. .WEDNESDAY...Mostly sunny. Highs 76 to 86. Light winds becoming west around 5 mph in the afternoon. .WEDNESDAY NIGHT...Partly cloudy. Lows in the mid 50s. West winds around 8 mph. .THURSDAY...Partly sunny. Slight chance of rain in the afternoon. Highs 65 to 75. Southwest winds around 7 mph. .FRIDAY...Rain likely. Lows 48 to 58. Highs 61 to 71. .SATURDAY...Mostly cloudy with rain likely. Lows 47 to 57. Highs 61 to 71. .8 TO 14 Day Outlook for 8-14 DAY OUTLOOK TABLE Near normal temperatures and above normal precipitation. $$ WAZ654-212315- Central and South Puget Sound Lowlands- 255 AM PDT Sun Jun 21 2026 .TODAY... * Sky/weather...........Mostly sunny. * Max temperature.......70-80. * Min humidity..........44-59 percent. * 20-foot winds.........Light winds becoming north around 4 mph in the afternoon. * Mixing height.........1100 ft AGL increasing to 3400 ft AGL in the afternoon. * Transport winds.......West around 5 mph shifting to the north in the afternoon. * CWR (>0.25)...........0 percent. * Chance of Lightning...1 percent. .TONIGHT... * Sky/weather...........Mostly clear. * Min temperature.......50-60. * Max humidity..........69-84 percent. * 20-foot winds.........North winds around 4 mph in the evening becoming light. * 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...........Mostly sunny. * Max temperature.......76-86. * Min humidity..........30-45 percent. * 20-foot winds.........Northeast winds 3 to 8 mph. * Mixing height.........1000 ft AGL increasing to 4100 ft AGL in the afternoon. * Transport winds.......North 5 to 10 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...0 percent. .MONDAY NIGHT...Mostly clear. Lows 55 to 65. North winds 3 to 7 mph. .TUESDAY...Warmer. Mostly sunny. Highs 85 to 95. Light winds becoming north around 5 mph in the afternoon. .TUESDAY NIGHT...Partly cloudy. Lows 55 to 65. North winds around 6 mph in the evening becoming light. .WEDNESDAY...Sunny. Highs in the mid 80s. Light winds becoming southwest around 5 mph in the afternoon. .WEDNESDAY NIGHT...Partly cloudy. Lows 51 to 61. Southwest winds around 6 mph. .THURSDAY...Cooler. Partly sunny. Highs in the lower 70s. Southwest winds around 6 mph. .FRIDAY...Mostly cloudy with rain likely. Lows in the lower 50s. Highs in the mid 60s. .SATURDAY...Mostly cloudy. Chance of rain. Lows 47 to 57. Highs in the mid 60s. .8 TO 14 Day Outlook for 8-14 DAY OUTLOOK TABLE Near normal temperatures and above normal precipitation. $$ WAZ655-212315- Black Hills and Southwest Interior Lowlands- 255 AM PDT Sun Jun 21 2026 .TODAY... * Sky/weather...........Mostly sunny. * Max temperature.......72-82. * Min humidity..........43-58 percent. * 20-foot winds.........Light winds becoming north around 4 mph in the afternoon. * Mixing height.........1100 ft AGL increasing to 3300 ft AGL in the afternoon. * Transport winds.......North 5 to 10 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...0 percent. .TONIGHT... * Sky/weather...........Partly cloudy. * Min temperature.......47-57. * Max humidity..........71-86 percent. * 20-foot winds.........Northwest winds around 4 mph in the evening becoming light. * Mixing height.........700-1700 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.......83-93. * Min humidity..........25-40 percent. * 20-foot winds.........Light winds becoming north around 5 mph in the afternoon. * Mixing height.........900 ft AGL increasing to 4400 ft AGL in the afternoon. * Transport winds.......Northeast 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 4 mph in the evening becoming light. .TUESDAY...Warmer. Mostly sunny. Highs 89 to 99. Light winds becoming north around 4 mph in the afternoon. .TUESDAY NIGHT...Mostly clear. Lows 53 to 63. Northwest winds around 5 mph in the evening becoming light. .WEDNESDAY...Sunny. Highs in the mid 80s. Light winds becoming west around 6 mph in the afternoon. .WEDNESDAY NIGHT...Cooler. Partly cloudy. Lows 48 to 58. West winds around 7 mph. .THURSDAY...Cooler. Partly sunny. Highs in the lower 70s. Southwest winds around 6 mph. .FRIDAY...Rain likely. Lows in the lower 50s. Highs in the mid 60s. .SATURDAY...Mostly cloudy. Chance of rain. Lows around 50. Highs 60 to 70. .8 TO 14 Day Outlook for 8-14 DAY OUTLOOK TABLE Near normal temperatures and above normal precipitation. $$ WAZ656-212315- Northeast Puget Sound Lowlands Generally Below 1500 Feet- 255 AM PDT Sun Jun 21 2026 .TODAY... * Sky/weather...........Mostly sunny. * Max temperature.......69-79. * Min humidity..........44-59 percent. * 20-foot winds.........Light winds becoming west around 5 mph in the afternoon. * Mixing height.........1600-2600 ft AGL. * Transport winds.......Northwest around 5 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...1 percent. .TONIGHT... * Sky/weather...........Mostly clear. * Min temperature.......49-59. * Max humidity..........72-87 percent. * 20-foot winds.........West winds around 4 mph in the evening becoming light. * Mixing height.........400-1400 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. * Max temperature.......76-86. * Min humidity..........33-48 percent. * 20-foot winds.........Light winds becoming northwest around 5 mph in the afternoon. * Mixing height.........900 ft AGL increasing to 3900 ft AGL in the afternoon. * Transport winds.......North 5 to 10 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...0 percent. .MONDAY NIGHT...Partly cloudy. Lows 55 to 65. Northwest winds around 4 mph in the evening becoming light. .TUESDAY...Warmer. Mostly sunny. Highs 83 to 93. Light winds becoming west around 4 mph in the afternoon. .TUESDAY NIGHT...Partly cloudy. Lows 56 to 66. West winds around 4 mph in the evening becoming light. .WEDNESDAY...Mostly sunny. Highs 79 to 89. Light winds becoming west around 5 mph in the afternoon. .WEDNESDAY NIGHT...Partly cloudy. Lows in the mid 50s. West winds around 5 mph. .THURSDAY...Partly sunny. Highs 68 to 78. Southwest winds around 5 mph. .FRIDAY...Mostly cloudy with rain. Lows in the lower 50s. Highs 59 to 69. .SATURDAY...Rain. Lows in the lower 50s. Highs 59 to 69. .8 TO 14 Day Outlook for 8-14 DAY OUTLOOK TABLE Near normal temperatures and above normal precipitation. $$ WAZ657-212315- Southeast Puget Sound Lowlands Generally Below 1500 Feet- 255 AM PDT Sun Jun 21 2026 .TODAY... * Sky/weather...........Mostly sunny. * Max temperature.......71-81. * Min humidity..........41-56 percent. * 20-foot winds.........Light winds becoming northwest around 4 mph in the afternoon. * Mixing height.........1200 ft AGL increasing to 3300 ft AGL in the afternoon. * Transport winds.......North around 5 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...0 percent. .TONIGHT... * Sky/weather...........Mostly clear. * Min temperature.......48-58. * Max humidity..........72-87 percent. * 20-foot winds.........North winds around 3 mph in the evening becoming light. * Mixing height.........600-1600 ft AGL. * Transport winds.......Northeast around 5 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...0 percent. .MONDAY... * Sky/weather...........Mostly sunny. * Max temperature.......79-89. * Min humidity..........32-47 percent. * 20-foot winds.........Light winds becoming north around 5 mph in the afternoon. * Mixing height.........900 ft AGL increasing to 3400 ft AGL in the afternoon. * Transport winds.......North 5 to 10 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...0 percent. .MONDAY NIGHT...Mostly clear. Lows around 60. North winds around 4 mph in the evening becoming light. .TUESDAY...Mostly sunny. Highs in the lower 90s. Light winds becoming northwest around 4 mph in the afternoon. .TUESDAY NIGHT...Partly cloudy. Lows around 60. North winds around 4 mph in the evening becoming light. .WEDNESDAY...Sunny. Highs 83 to 93. Light winds becoming west around 3 mph in the afternoon. .WEDNESDAY NIGHT...Partly cloudy. Lows 51 to 61. Southwest winds around 4 mph. .THURSDAY...Not as warm. Partly sunny. Highs in the mid 70s. Southwest winds around 4 mph. .FRIDAY...Cooler. Mostly cloudy with rain likely. Lows in the lower 50s. Highs in the mid 60s. .SATURDAY...Rain. Lows 47 to 57. Highs 60 to 70. .8 TO 14 Day Outlook for 8-14 DAY OUTLOOK TABLE Near normal temperatures and above normal precipitation. $$ WAZ658-212315- West Slopes of the North Cascades Generally above 1500 Feet- 255 AM PDT Sun Jun 21 2026 .TODAY... * Sky/weather...........Mostly sunny. * Max temperature.......68-78...except 61-71 ridges. * Min humidity..........42-57 percent. * 20-foot winds......... * Valleys/lwr slopes..Light winds becoming northwest around 6 mph in the afternoon. * Ridges/upr slopes...Northwest winds 4 to 8 mph. * Mixing height.........1300 ft AGL increasing to 4400 ft AGL in the afternoon. * Transport winds.......North 5 to 10 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...2 percent. * Freezing level........10000 Feet. .TONIGHT... * Sky/weather...........Mostly clear. * Min temperature.......47-57...except 43-53 ridges. * Max humidity..........68-83 percent. * 20-foot winds......... * Valleys/lwr slopes..Downslope/downvalley 3 to 4 mph. * Ridges/upr slopes...Northwest winds around 6 mph shifting to the northeast around 5 mph after midnight. * Mixing height.........600-1600 ft AGL. * Transport winds.......Northwest around 10 mph shifting to the northeast after midnight. * CWR (>0.25)...........0 percent. * Chance of Lightning...2 percent. * Freezing level........10500 Feet. .MONDAY... * Sky/weather...........Mostly sunny. * Max temperature.......74-84...except 66-76 ridges. * Min humidity..........33-48 percent. * 20-foot winds......... * Valleys/lwr slopes..Upslope/upvalley 3 to 4 mph. * Ridges/upr slopes...Northeast winds around 5 mph shifting to the northwest in the afternoon. * Mixing height.........1600 ft AGL increasing to 6700 ft AGL in the afternoon. * Transport winds.......Northeast around 10 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...0 percent. * Freezing level........10500 Feet. .MONDAY NIGHT...Partly cloudy. Freezing level 11500 feet. Lows 52 to 62. Northwest winds around 5 mph shifting to the east after midnight. .TUESDAY...Mostly sunny. Freezing level 11500 feet. Highs 76 to 86 valleys...68 to 78 ridges. East winds around 6 mph shifting to the west around 5 mph in the afternoon. .TUESDAY NIGHT...Partly cloudy. Freezing level 12000 feet. Lows 53 to 63. West winds around 6 mph shifting to the east around 3 mph after midnight. .WEDNESDAY...Mostly sunny. Freezing level 12000 feet. Highs 73 to 83 valleys...66 to 76 ridges. Light windsbecoming west around 8 mph in the afternoon. .WEDNESDAY NIGHT...Cooler. Partly cloudy. Freezing level 12000 feet. Lows 48 to 58. Southwest winds around 6 mph. .THURSDAY...Partly sunny. Freezing level 12000 feet. Highs 63 to 73 valleys...56 to 66 ridges. Southwest winds around 8 mph. .FRIDAY...Cooler. Mostly cloudy with rain. Freezing level 10000 feet. Lows 47 to 57 valleys...in the mid 40s ridges. Highs 53 to 63 valleys...46 to 56 ridges. .SATURDAY...Rain. Freezing level 7000 feet. Lows in the upper 40s valleys...in the lower 40s ridges. Highs 52 to 62 valleys...44 to 54 ridges. .8 TO 14 Day Outlook for 8-14 DAY OUTLOOK TABLE Near normal temperatures and above normal precipitation. $$ WAZ659-212315- West Slopes of the Central Cascades Generally above 1500 Feet- 255 AM PDT Sun Jun 21 2026 .TODAY... * Sky/weather...........Mostly sunny. Patchy dense fog in the morning. * Max temperature.......70-80...except 61-71 ridges. * Min humidity..........43-58 percent. * 20-foot winds......... * Valleys/lwr slopes..Upslope/upvalley 1 to 5 mph. * Ridges/upr slopes...Northwest winds 3 to 8 mph. * Mixing height.........1100 ft AGL increasing to 3400 ft AGL in the afternoon. * Transport winds.......North 5 to 10 mph. * CWR (>0.25)...........0 percent. * Chance of Lightning...0 percent. * Freezing level........11000 Feet. .TONIGHT... * Sky/weather...........Mostly clear. * Min temperature.......45-55...except 42-52 ridges. * Max humidity..........60-75 percent. * 20-foot winds......... * Valleys/lwr slopes..Downslope/downvalley 2 to 4 mph. * Ridges/upr slopes...Northwest winds around 6 mph shifting to the northeast around 3 mph after midnight. * Mixing height.........600-1600 ft AGL. * Transport winds.......Northwest around 10 mph shifting to the northeast after midnight. * CWR (>0.25)...........0 percent. * Chance of Lightning...0 percent. * Freezing level........12000 Feet. .MONDAY... * Sky/weather...........Mostly sunny. * Max temperature.......77-87...except 68-78 ridges. * Min humidity..........34-49 percent. * 20-foot winds......... * Valleys/lwr slopes..Upslope/upvalley 2 to 5 mph. * Ridges/upr slopes...Northeast winds around 3 mph shifting to the northwest around 5 mph in the afternoon. * Mixing height.........1300 ft AGL increasing to 5300 ft AGL in the afternoon. * Transport winds.......Northeast around 5 mph shifting to the north in the afternoon. * CWR (>0.25)...........0 percent. * Chance of Lightning...0 percent. * Freezing level........12000 Feet. .MONDAY NIGHT...Mostly clear. Freezing level 12500 feet. Lows 53 to 63. Northwest winds around 4 mph shifting to the east around 5 mph after midnight. .TUESDAY...Warmer. Mostly sunny. Freezing level 12000 feet. Highs 80 to 90 valleys...71 to 81 ridges. East winds around 5 mph shifting to the northwest in the afternoon. .TUESDAY NIGHT...Partly cloudy. Freezing level 12500 feet. Lows 53 to 63. Northwest winds around 6 mph in the evening becoming light. .WEDNESDAY...Sunny. Freezing level 12500 feet. Highs 75 to 85 valleys...67 to 77 ridges. Light winds becoming west around 7 mph in the afternoon. .WEDNESDAY NIGHT...Cooler. Partly cloudy. Freezing level 13000 feet. Lows 47 to 57. West winds around 6 mph. .THURSDAY...Partly sunny. Freezing level 13000 feet. Highs 65 to 75 valleys...57 to 67 ridges. West winds around 6 mph. .FRIDAY...Cooler. Mostly cloudy with rain likely. Freezing level 10500 feet. Lows 46 to 56 valleys...in the mid 40s ridges. Highs 54 to 64 valleys...46 to 56 ridges. .SATURDAY...Rain. Freezing level 7000 feet. Lows 44 to 54 valleys... in the lower 40s ridges. Highs 52 to 62 valleys...44 to 54 ridges. .8 TO 14 Day Outlook for 8-14 DAY OUTLOOK TABLE Near normal temperatures and above normal precipitation. $$ www.weather.gov/seattle