Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Seattle/Tacoma, WA
Issued by NWS Seattle/Tacoma, WA
502
FNUS56 KSEW 202213
FWFSEW
Fire Weather Planning Forecast for Western Washington
National Weather Service Seattle WA
313 PM PDT Wed Aug 20 2025
.DISCUSSION...A warming and drying trend starts over western
Washington Thursday and remains in place into the weekend.
Temperatures will steadily warm with humidities dropping down into
the 20-30 percent range across the Cascades and areas south of the
Sound by Friday and Saturday. Overnight RH recoveries will be
diminished during this time frame as well. Warm and dry conditions
will continue into early next week, with Saturday and Sunday likely
being the warmest and driest of the days.
Forecast for 20 foot wind speed (valleys and ridge tops) are 10
minute averages reflecting RAWS winds.
WAZ649-211130-
North and Central Coastal Strip-
313 PM PDT Wed Aug 20 2025
.Tonight...
* Sky/weather...........Partly cloudy.
* Min temperature.......46-56.
* Max humidity..........82-97 percent.
* 20-foot winds.........
* Valleys/lwr slopes..North winds 4 to 7 mph.
* Ridges/upr slopes...North winds 4 to 7 mph.
* Mixing height.........400-800 ft AGL.
* Transport winds.......North around 10 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...0 percent.
.THURSDAY...
* Sky/weather...........Mostly sunny.
* Max temperature.......64-74.
* Min humidity..........53-68 percent.
* 20-foot winds.........
* Valleys/lwr slopes..Light winds becoming northwest around 6 mph
in the afternoon.
* Ridges/upr slopes...Northeast winds 3 to 5 mph shifting to the
northwest in the afternoon.
* Mixing height.........500-1100 ft AGL.
* Transport winds.......North 5 to 10 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...0 percent.
.THURSDAY NIGHT...
* Sky/weather...........Mostly clear.
* Min temperature.......Around 55.
* Max humidity..........77-92 percent.
* 20-foot winds.........
* Valleys/lwr slopes..North winds 4 to 7 mph.
* Ridges/upr slopes...North winds 4 to 7 mph.
* Mixing height.........400-600 ft AGL.
* Transport winds.......North 5 to 10 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...0 percent.
.FRIDAY...
* Sky/weather...........Sunny.
* Max temperature.......70-80.
* Min humidity..........50-65 percent.
* 20-foot winds.........
* Valleys/lwr slopes..North winds 3 to 6 mph.
* Ridges/upr slopes...North winds 3 to 6 mph.
* Mixing height.........400-800 ft AGL.
* Transport winds.......North around 5 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...0 percent.
.FRIDAY NIGHT...Mostly clear. Lows in the upper 50s. Northwest winds
4 to 7 mph.
.SATURDAY...Sunny. Highs 72 to 82. Northwest winds 3 to 6 mph.
.SATURDAY NIGHT...Partly cloudy. Lows in the upper 50s. Northwest
winds around 4 mph.
.SUNDAY...Mostly sunny. Highs 70 to 80. Northwest winds around
3 mph.
.SUNDAY NIGHT...Partly cloudy. Lows in the mid 50s. Northwest winds
around 4 mph.
.MONDAY...Mostly sunny. Highs 67 to 77. West winds around 3 mph.
.TUESDAY...Partly cloudy. Lows in the mid 50s. Highs 66 to 76.
.WEDNESDAY...Mostly cloudy. Lows in the mid 50s. Highs 65 to 75.
.8 TO 14 day Outlook for Aug 28 - Sep 03, 2025
Above normal temperatures and above normal precipitation.
$$
WAZ650-211130-
North Coastal Lowlands-
313 PM PDT Wed Aug 20 2025
.Tonight...
* Sky/weather...........Partly cloudy.
* Min temperature.......47-57.
* Max humidity..........74-89 percent.
* 20-foot winds.........
* Valleys/lwr slopes..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.........500-1200 ft AGL.
* Transport winds.......North 5 to 10 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...0 percent.
.THURSDAY...
* Sky/weather...........Mostly sunny.
* Max temperature.......68-78.
* Min humidity..........48-63 percent.
* 20-foot winds.........
* Valleys/lwr slopes..Light winds becoming northwest around 4 mph
in the afternoon.
* Ridges/upr slopes...Northeast winds 3 to 5 mph.
* Mixing height.........900-1900 ft AGL.
* Transport winds.......North around 5 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...0 percent.
.THURSDAY NIGHT...
* Sky/weather...........Mostly clear.
* Min temperature.......52-62.
* Max humidity..........64-79 percent.
* 20-foot winds.........
* Valleys/lwr slopes..North winds 3 to 5 mph.
* Ridges/upr slopes...Northeast winds 3 to 6 mph.
* Mixing height.........500-1000 ft AGL.
* Transport winds.......North around 5 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...0 percent.
.FRIDAY...
* Sky/weather...........Sunny.
* Max temperature.......74-84.
* Min humidity..........41-56 percent.
* 20-foot winds.........
* Valleys/lwr slopes..Northeast winds around 3 mph shifting to the
northwest in the afternoon.
* Ridges/upr slopes...Northeast winds 3 to 6 mph.
* Mixing height.........600-1600 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.
.FRIDAY NIGHT...Clear. Lows 57 to 67. North winds 3 to 5 mph.
.SATURDAY...Sunny. Highs 79 to 89. Light winds becoming northwest
around 4 mph in the afternoon.
.SATURDAY NIGHT...Mostly clear. Lows 55 to 65. Light winds.
.SUNDAY...Sunny. Highs 76 to 86. Light winds.
.SUNDAY NIGHT...Mostly clear. Lows 54 to 64. Light winds.
.MONDAY...Mostly sunny. Highs 73 to 83. Light winds.
.TUESDAY...Partly cloudy. Lows 53 to 63. Highs 72 to 82.
.WEDNESDAY...Partly cloudy. Lows 53 to 63. Highs 70 to 80.
.8 TO 14 day Outlook for Aug 28 - Sep 03, 2025
Above normal temperatures and above normal precipitation.
$$
WAZ651-211130-
Central Coastal Lowlands-
313 PM PDT Wed Aug 20 2025
.Tonight...
* Sky/weather...........Mostly clear.
* Min temperature.......46-56.
* Max humidity..........80-95 percent.
* 20-foot winds.........
* Valleys/lwr slopes..Northwest winds around 3 mph in the evening
becoming light.
* Ridges/upr slopes...Northwest winds around 3 mph in the evening
becoming light.
* Mixing height.........400-1300 ft AGL.
* Transport winds.......Northwest around 5 mph shifting to the
north after midnight.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...0 percent.
.THURSDAY...
* Sky/weather...........Sunny.
* Max temperature.......72-82.
* Min humidity..........41-56 percent...except 49-58 percent
ridges.
* 20-foot winds.........
* Valleys/lwr slopes..Light winds becoming northwest around 3 mph
in the afternoon.
* Ridges/upr slopes...Light winds.
* Mixing height.........600 ft AGL increasing to 2600 ft AGL in the
afternoon.
* Transport winds.......North around 5 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...0 percent.
.THURSDAY NIGHT...
* Sky/weather...........Clear.
* Min temperature.......51-61.
* Max humidity..........72-87 percent.
* 20-foot winds.........
* Valleys/lwr slopes..North winds 3 to 4 mph.
* Ridges/upr slopes...Light winds becoming northeast around 3 mph
after midnight.
* Mixing height.........400-1200 ft AGL.
* Transport winds.......North around 5 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...0 percent.
.FRIDAY...
* Sky/weather...........Sunny.
* Max temperature.......79-89.
* Min humidity..........35-50 percent.
* 20-foot winds.........
* Valleys/lwr slopes..Northeast winds 3 to 5 mph.
* Ridges/upr slopes...Northeast winds around 4 mph in the morning
becoming light.
* Mixing height.........700-1700 ft AGL.
* Transport winds.......Northeast around 5 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...0 percent.
.FRIDAY NIGHT...Clear. Lows around 60. Northwest winds around 3 mph
in the evening becoming light.
.SATURDAY...Sunny. Highs 83 to 93. Light winds becoming northwest
around 3 mph in the afternoon.
.SATURDAY NIGHT...Partly cloudy. Lows 54 to 64. Light winds.
.SUNDAY...Mostly sunny. Highs 81 to 91 valleys...76 to 86 ridges.
Light winds.
.SUNDAY NIGHT...Mostly clear. Lows in the upper 50s. Light winds.
.MONDAY...Mostly sunny. Highs 77 to 87 valleys...72 to 82 ridges.
Light winds.
.TUESDAY...Partly cloudy. Lows in the upper 50s. Highs 75 to 85.
.WEDNESDAY...Partly cloudy. Lows in the upper 50s. Highs 73 to 83.
.8 TO 14 day Outlook for Aug 28 - Sep 03, 2025
Above normal temperatures and above normal precipitation.
$$
WAZ652-211130-
West Portion of the Olympic Mountains-
313 PM PDT Wed Aug 20 2025
.Tonight...
* Sky/weather...........Mostly clear.
* Min temperature.......44-54.
* Max humidity..........67-82 percent.
* 20-foot winds.........
* Valleys/lwr slopes..Downslope/downvalley around 3 mph.
* Ridges/upr slopes...North winds around 4 mph shifting to the
northeast after midnight.
* Mixing height.........300-1000 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.
.THURSDAY...
* Sky/weather...........Sunny.
* Max temperature.......70-80...except 64-74 ridges.
* Min humidity..........42-57 percent.
* 20-foot winds.........
* Valleys/lwr slopes..Upslope/upvalley 2 to 3 mph.
* Ridges/upr slopes...Northeast winds around 3 mph shifting to the
west in the afternoon.
* Mixing height.........900-1900 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.
* Freezing level........14000 Feet.
.THURSDAY NIGHT...
* Sky/weather...........Mostly clear.
* Min temperature.......50-60.
* Max humidity..........52-67 percent.
* 20-foot winds.........
* Valleys/lwr slopes..Downslope/downvalley 2 to 5 mph.
* Ridges/upr slopes...Light winds becoming northeast around 6 mph
after midnight.
* Mixing height.........300-1000 ft AGL.
* Transport winds.......Northeast around 5 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...0 percent.
* Freezing level........14500 Feet.
.FRIDAY...
* Sky/weather...........Sunny.
* Max temperature.......77-87...except 71-81 ridges.
* Min humidity..........33-48 percent.
* 20-foot winds.........
* Valleys/lwr slopes..Upslope/upvalley 3 to 5 mph.
* Ridges/upr slopes...Northeast winds 3 to 6 mph shifting to the
northwest in the afternoon.
* Mixing height.........300 ft AGL increasing to 2600 ft AGL in the
afternoon.
* Transport winds.......East around 5 mph shifting to the southwest
in the afternoon.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...0 percent.
* Freezing level........15000 Feet.
.FRIDAY NIGHT...Clear. Freezing level 15500 feet. Lows in the lower
60s. North winds 3 to 5 mph shifting to the northeast after
midnight.
.SATURDAY...Sunny. Freezing level 15000 feet. Highs 79 to
89 valleys...74 to 84 ridges. Northeast winds 3 to 5 mph shifting to
the west in the afternoon.
.SATURDAY NIGHT...Mostly clear. Freezing level 15500 feet. Lows in
the lower 60s. North winds around 3 mph.
.SUNDAY...Sunny. Freezing level 15000 feet. Highs 77 to 87 valleys...
72 to 82 ridges. Northwest winds around 3 mph.
.SUNDAY NIGHT...Mostly clear. Freezing level 15000 feet. Lows around
60. Northwest winds around 3 mph.
.MONDAY...Sunny. Freezing level 14500 feet. Highs 72 to 82.
Southwest winds around 3 mph.
.TUESDAY...Mostly clear. Freezing level 14500 feet. Lows around 60.
Highs 71 to 81.
.WEDNESDAY...Mostly clear. Freezing level 14500 feet. Lows in the
upper 50s. Highs 68 to 78.
.8 TO 14 day Outlook for Aug 28 - Sep 03, 2025
Above normal temperatures and above normal precipitation.
$$
WAZ661-211130-
East Portion of the Olympic Mountains-
313 PM PDT Wed Aug 20 2025
.Tonight...
* Sky/weather...........Mostly clear.
* Min temperature.......43-53.
* Max humidity..........71-86 percent...except 66-81 percent
ridges.
* 20-foot winds.........
* Valleys/lwr slopes..Downslope/downvalley around 3 mph.
* Ridges/upr slopes...North winds 3 to 5 mph.
* Mixing height.........400-1100 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.
.THURSDAY...
* Sky/weather...........Sunny.
* Max temperature.......69-79...except 63-73 ridges.
* Min humidity..........42-57 percent.
* 20-foot winds.........
* Valleys/lwr slopes..Upslope/upvalley around 3 mph.
* Ridges/upr slopes...Northeast winds 3 to 5 mph.
* Mixing height.........700-1700 ft AGL.
* Transport winds.......Northeast around 5 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...0 percent.
* Freezing level........14000 Feet.
.THURSDAY NIGHT...
* Sky/weather...........Mostly clear.
* Min temperature.......50-60...except 47-57 ridges.
* Max humidity..........52-67 percent...except 47-62 percent
ridges.
* 20-foot winds.........
* Valleys/lwr slopes..Downslope/downvalley 2 to 5 mph.
* Ridges/upr slopes...North winds 3 to 6 mph.
* Mixing height.........400-900 ft AGL.
* Transport winds.......Northeast around 5 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...0 percent.
* Freezing level........14500 Feet.
.FRIDAY...
* Sky/weather...........Sunny.
* Max temperature.......76-86...except 71-81 ridges.
* Min humidity..........30-45 percent.
* 20-foot winds.........
* Valleys/lwr slopes..Upslope/upvalley 4 to 5 mph.
* Ridges/upr slopes...Northeast winds 4 to 7 mph.
* Mixing height.........400 ft AGL increasing to 2400 ft AGL in the
afternoon.
* Transport winds.......East around 5 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...0 percent.
* Freezing level........15000 Feet.
.FRIDAY NIGHT...Clear. Freezing level 15500 feet. Lows 56 to 66.
Northwest winds 3 to 6 mph.
.SATURDAY...Sunny. Freezing level 15000 feet. Highs 79 to
89 valleys...71 to 81 ridges. North winds 3 to 6 mph.
.SATURDAY NIGHT...Mostly clear. Freezing level 15500 feet. Lows
57 to 67. West winds around 3 mph.
.SUNDAY...Sunny. Freezing level 15000 feet. Highs 77 to 87 valleys...
70 to 80 ridges. West winds around 3 mph.
.SUNDAY NIGHT...Mostly clear. Freezing level 15000 feet. Lows 55 to
65. West winds around 3 mph.
.MONDAY...Sunny. Freezing level 14500 feet. Highs 75 to 85 valleys...
67 to 77 ridges. Southwest winds around 3 mph.
.TUESDAY...Mostly clear. Freezing level 14500 feet. Lows 54 to 64.
Highs 74 to 84 valleys...67 to 77 ridges.
.WEDNESDAY...Mostly clear. Freezing level 14500 feet. Lows in the
upper 50s. Highs 72 to 82 valleys...65 to 75 ridges.
.8 TO 14 day Outlook for Aug 28 - Sep 03, 2025
Above normal temperatures and above normal precipitation.
$$
WAZ653-211130-
Strait of Juan De Fuca and Northwest Interior Lowlands-
313 PM PDT Wed Aug 20 2025
.Tonight...
* Sky/weather...........Partly cloudy.
* Min temperature.......47-57.
* Max humidity..........75-90 percent.
* 20-foot winds.........West winds 3 to 5 mph.
* Mixing height.........500-700 ft AGL.
* Transport winds.......Northwest around 5 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...0 percent.
.THURSDAY...
* Sky/weather...........Mostly sunny.
* Max temperature.......66-76.
* Min humidity..........49-64 percent.
* 20-foot winds.........Northwest winds 4 to 7 mph.
* Mixing height.........600-1000 ft AGL.
* Transport winds.......North 5 to 10 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...0 percent.
.THURSDAY NIGHT...
* Sky/weather...........Mostly clear.
* Min temperature.......51-61.
* Max humidity..........64-79 percent.
* 20-foot winds.........Northwest winds 3 to 5 mph.
* Mixing height.........500-600 ft AGL.
* Transport winds.......Northwest 5 to 10 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...0 percent.
.FRIDAY...
* Sky/weather...........Sunny.
* Max temperature.......72-82.
* Min humidity..........41-56 percent.
* 20-foot winds.........North winds 4 to 7 mph.
* Mixing height.........500-1000 ft AGL.
* Transport winds.......North 5 to 10 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...0 percent.
.FRIDAY NIGHT...Clear. Lows 56 to 66. Northwest winds 3 to 6 mph.
.SATURDAY...Sunny. Highs 76 to 86. North winds 3 to 6 mph.
.SATURDAY NIGHT...Mostly clear. Lows around 60. Northwest winds
around 3 mph.
.SUNDAY...Sunny. Highs 75 to 85. Northwest winds around 3 mph.
.SUNDAY NIGHT...Mostly clear. Lows in the upper 50s. West winds
around 3 mph.
.MONDAY...Sunny. Highs 74 to 84. Light winds.
.TUESDAY...Mostly clear. Lows in the upper 50s. Highs 73 to 83.
.WEDNESDAY...Mostly clear. Lows in the upper 50s. Highs 73 to 83.
.8 TO 14 day Outlook for Aug 28 - Sep 03, 2025
Above normal temperatures and above normal precipitation.
$$
WAZ654-211130-
Central and South Puget Sound Lowlands-
313 PM PDT Wed Aug 20 2025
.Tonight...
* Sky/weather...........Mostly clear.
* Min temperature.......47-57.
* Max humidity..........73-88 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.
.THURSDAY...
* Sky/weather...........Sunny.
* Max temperature.......70-80.
* Min humidity..........39-54 percent.
* 20-foot winds.........Northeast winds 4 to 8 mph.
* Mixing height.........1100-2100 ft AGL.
* Transport winds.......North around 10 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...0 percent.
.THURSDAY NIGHT...
* Sky/weather...........Mostly clear.
* Min temperature.......50-60.
* Max humidity..........56-71 percent.
* 20-foot winds.........North winds 5 to 8 mph.
* Mixing height.........400-1300 ft AGL.
* Transport winds.......North around 10 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...0 percent.
.FRIDAY...
* Sky/weather...........Sunny.
* Max temperature.......77-87.
* Min humidity..........30-45 percent.
* 20-foot winds.........North winds 5 to 8 mph.
* Mixing height.........800-1800 ft AGL.
* Transport winds.......Northeast around 10 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...0 percent.
.FRIDAY NIGHT...Clear. Lows around 60. North winds 5 to 8 mph.
.SATURDAY...Warmer, sunny. Highs 84 to 94. North winds 3 to 6 mph.
.SATURDAY NIGHT...Mostly clear. Lows in the lower 60s. North winds
around 3 mph.
.SUNDAY...Sunny. Highs 82 to 92. North winds around 3 mph.
.SUNDAY NIGHT...Mostly clear. Lows around 60. Northwest winds around
3 mph.
.MONDAY...Sunny. Highs 81 to 91. West winds around 3 mph.
.TUESDAY...Mostly clear. Lows in the upper 50s. Highs 80 to 90.
.WEDNESDAY...Mostly clear. Lows in the upper 50s. Highs in the lower
80s.
.8 TO 14 day Outlook for Aug 28 - Sep 03, 2025
Above normal temperatures and above normal precipitation.
$$
WAZ655-211130-
Black Hills and Southwest Interior Lowlands-
313 PM PDT Wed Aug 20 2025
.Tonight...
* Sky/weather...........Mostly clear.
* Min temperature.......46-56.
* Max humidity..........73-88 percent.
* 20-foot winds.........North winds 3 to 5 mph.
* Mixing height.........800-1800 ft AGL.
* Transport winds.......North around 5 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...0 percent.
.THURSDAY...
* Sky/weather...........Sunny.
* Max temperature.......75-85.
* Min humidity..........34-49 percent.
* 20-foot winds.........North winds 3 to 6 mph.
* Mixing height.........1400-2400 ft AGL.
* Transport winds.......Northeast around 10 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...0 percent.
.THURSDAY NIGHT...
* Sky/weather...........Mostly clear.
* Min temperature.......51-61.
* Max humidity..........58-73 percent.
* 20-foot winds.........Northeast winds 4 to 7 mph.
* Mixing height.........600-1600 ft AGL.
* Transport winds.......Northeast around 10 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...0 percent.
.FRIDAY...
* Sky/weather...........Sunny.
* Max temperature.......84-94.
* Min humidity..........22-37 percent.
* 20-foot winds.........Northeast winds 4 to 7 mph.
* Mixing height.........1000-2000 ft AGL.
* Transport winds.......Northeast around 10 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...0 percent.
.FRIDAY NIGHT...Clear. Lows 56 to 66. North winds 3 to 5 mph.
.SATURDAY...Sunny. Highs 88 to 98. North winds 3 to 5 mph.
.SATURDAY NIGHT...Partly cloudy. Lows 57 to 67. Light winds.
.SUNDAY...Sunny. Highs in the lower 90s. Light winds.
.SUNDAY NIGHT...Mostly clear. Lows 55 to 65. Northwest winds around
3 mph.
.MONDAY...Sunny. Highs in the upper 80s. Light winds.
.TUESDAY...Mostly clear. Lows 54 to 64. Highs in the upper 80s.
.WEDNESDAY...Mostly clear. Lows 54 to 64. Highs 80 to 90.
.8 TO 14 day Outlook for Aug 28 - Sep 03, 2025
Above normal temperatures and above normal precipitation.
$$
WAZ656-211130-
Northeast Puget Sound Lowlands Generally Below 1500 Feet-
313 PM PDT Wed Aug 20 2025
.Tonight...
* Sky/weather...........Mostly clear.
* Min temperature.......46-56.
* Max humidity..........75-90 percent.
* 20-foot winds.........Northwest winds around 3 mph in the evening
becoming light.
* Mixing height.........900-1900 ft AGL.
* Transport winds.......Northwest around 5 mph shifting to the
northeast after midnight.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...0 percent.
.THURSDAY...
* Sky/weather...........Sunny.
* Max temperature.......72-82.
* Min humidity..........37-52 percent.
* 20-foot winds.........Light winds becoming northwest around 4 mph
in the afternoon.
* Mixing height.........1400-2400 ft AGL.
* Transport winds.......North around 5 mph shifting to the
northwest in the afternoon.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...0 percent.
.THURSDAY NIGHT...
* Sky/weather...........Mostly clear.
* Min temperature.......52-62.
* Max humidity..........61-76 percent.
* 20-foot winds.........Northwest winds around 3 mph shifting to
the northeast after midnight.
* Mixing height.........900-1500 ft AGL.
* Transport winds.......Northwest around 5 mph shifting to the
northeast after midnight.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...0 percent.
.FRIDAY...
* Sky/weather...........Sunny.
* Max temperature.......81-91.
* Min humidity..........25-40 percent.
* 20-foot winds.........Northeast winds around 3 mph shifting to the
northwest in the afternoon.
* Mixing height.........900 ft AGL increasing to 2900 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.
.FRIDAY NIGHT...Clear. Lows 56 to 66. Northwest winds around 4 mph
shifting to the northeast after midnight.
.SATURDAY...Sunny. Highs 86 to 96. Northeast winds around 4 mph
shifting to the northwest in the afternoon.
.SATURDAY NIGHT...Mostly clear. Lows 58 to 68. North winds around
3 mph.
.SUNDAY...Sunny. Highs 83 to 93. Light winds.
.SUNDAY NIGHT...Mostly clear. Lows 57 to 67. Light winds.
.MONDAY...Sunny. Highs 82 to 92. Light winds.
.TUESDAY...Mostly clear. Lows 56 to 66. Highs 81 to 91.
.WEDNESDAY...Mostly clear. Lows 56 to 66. Highs 79 to 89.
.8 TO 14 day Outlook for Aug 28 - Sep 03, 2025
Above normal temperatures and above normal precipitation.
$$
WAZ657-211130-
Southeast Puget Sound Lowlands Generally Below 1500 Feet-
313 PM PDT Wed Aug 20 2025
.Tonight...
* Sky/weather...........Mostly clear.
* Min temperature.......45-55.
* Max humidity..........79-94 percent.
* 20-foot winds.........North winds around 3 mph in the evening
becoming light.
* Mixing height.........900-1900 ft AGL.
* Transport winds.......North around 5 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...0 percent.
.THURSDAY...
* Sky/weather...........Sunny.
* Max temperature.......73-83.
* Min humidity..........38-53 percent.
* 20-foot winds.........Light winds becoming north around 5 mph in
the afternoon.
* Mixing height.........1200-2200 ft AGL.
* Transport winds.......North 5 to 10 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...0 percent.
.THURSDAY NIGHT...
* Sky/weather...........Mostly clear.
* Min temperature.......51-61.
* Max humidity..........66-81 percent.
* 20-foot winds.........Northeast winds 3 to 5 mph.
* Mixing height.........500-1500 ft AGL.
* Transport winds.......North 5 to 10 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...0 percent.
.FRIDAY...
* Sky/weather...........Sunny.
* Max temperature.......82-92.
* Min humidity..........26-41 percent.
* 20-foot winds.........Northeast winds around 3 mph shifting to the
north in the afternoon.
* Mixing height.........900-1900 ft AGL.
* Transport winds.......Northeast around 5 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...0 percent.
.FRIDAY NIGHT...Clear. Lows in the lower 60s. North winds around
4 mph shifting to the northeast after midnight.
.SATURDAY...Sunny. Highs 85 to 95. Light winds becoming north around
4 mph in the afternoon.
.SATURDAY NIGHT...Partly cloudy. Lows in the lower 60s. Light winds.
.SUNDAY...Mostly sunny. Highs in the upper 80s. Light winds.
.SUNDAY NIGHT...Mostly clear. Lows in the lower 60s. Light winds.
.MONDAY...Sunny. Highs in the upper 80s. Light winds.
.TUESDAY...Mostly clear. Lows around 60. Highs in the mid 80s.
.WEDNESDAY...Mostly clear. Lows around 60. Highs in the mid 80s.
.8 TO 14 day Outlook for Aug 28 - Sep 03, 2025
Above normal temperatures and above normal precipitation.
$$
WAZ658-211130-
West Slopes of the North Cascades Generally above 1500 Feet-
313 PM PDT Wed Aug 20 2025
.Tonight...
* Sky/weather...........Mostly clear.
* Min temperature.......44-54...except 40-50 ridges.
* Max humidity..........70-85 percent...except 63-78 percent
ridges.
* 20-foot winds.........
* Valleys/lwr slopes..Downslope/downvalley around 3 mph.
* Ridges/upr slopes...Northwest winds around 4 mph shifting to the
northeast after midnight.
* Mixing height.........500-1300 ft AGL.
* Transport winds.......Northwest around 5 mph shifting to the
northeast after midnight.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...0 percent.
* Freezing level........12500 Feet.
.THURSDAY...
* Sky/weather...........Mostly sunny.
* Max temperature.......72-82...except 67-77 ridges.
* Min humidity..........34-49 percent.
* 20-foot winds.........
* Valleys/lwr slopes..Upslope/upvalley around 3 mph.
* Ridges/upr slopes...Northeast winds around 4 mph shifting to the
west in the afternoon.
* Mixing height.........700 ft AGL increasing to 2900 ft AGL in the
afternoon.
* Transport winds.......East around 5 mph shifting to the southwest
in the afternoon.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...0 percent.
* Freezing level........13500 Feet.
.THURSDAY NIGHT...
* Sky/weather...........Mostly clear.
* Min temperature.......51-61...except 46-56 ridges.
* Max humidity..........53-68 percent...except 45-60 percent
ridges.
* 20-foot winds.........
* Valleys/lwr slopes..North winds 3 to 6 mph shifting to the east after
midnight.
* Ridges/upr slopes...North winds 3 to 6 mph shifting to the east
after midnight.
* Mixing height.........500-1200 ft AGL.
* Transport winds.......North around 5 mph shifting to the east
after midnight.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...0 percent.
* Freezing level........14000 Feet.
.FRIDAY...
* Sky/weather...........Sunny.
* Max temperature.......80-90...except 73-83 ridges.
* Min humidity..........25-40 percent.
* 20-foot winds.........
* Valleys/lwr slopes..East winds 3 to 7 mph.
* Ridges/upr slopes...East winds 3 to 7 mph.
* Mixing height.........500 ft AGL increasing to 4000 ft AGL in the
afternoon.
* Transport winds.......East 5 to 10 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...0 percent.
* Freezing level........14500 Feet.
.FRIDAY NIGHT...Clear. Freezing level 15500 feet. Lows 54 to 64.
Northeast winds 3 to 8 mph.
.SATURDAY...Sunny. Freezing level 15000 feet. Highs 83 to
93 valleys...76 to 86 ridges. East winds 3 to 7 mph shifting to the
west in the afternoon.
.SATURDAY NIGHT...Mostly clear. Freezing level 15000 feet. Lows
56 to 66. Northeast winds around 4 mph.
.SUNDAY...Sunny. Freezing level 15000 feet. Highs 81 to 91 valleys...
75 to 85 ridges. Southwest winds around 3 mph.
.SUNDAY NIGHT...Mostly clear. Freezing level 14500 feet. Lows 55 to
65. Southwest winds around 3 mph.
.MONDAY...Sunny. Freezing level 14000 feet. Highs 79 to 89 valleys...
72 to 82 ridges. Southwest winds around 3 mph.
.TUESDAY...Mostly clear. Freezing level 14000 feet. Lows 54 to 64.
Highs 78 to 88 valleys...71 to 81 ridges.
.WEDNESDAY...Mostly clear. Freezing level 14000 feet. Lows 54 to 64.
Highs 76 to 86 valleys...69 to 79 ridges.
.8 TO 14 day Outlook for Aug 28 - Sep 03, 2025
Above normal temperatures and above normal precipitation.
$$
WAZ659-211130-
West Slopes of the Central Cascades Generally above 1500 Feet-
313 PM PDT Wed Aug 20 2025
.Tonight...
* Sky/weather...........Mostly clear.
* Min temperature.......42-52.
* Max humidity..........73-88 percent...except 61-76 percent
ridges.
* 20-foot winds.........
* Valleys/lwr slopes..Downslope/downvalley around 3 mph.
* Ridges/upr slopes...Northwest winds around 4 mph shifting to the
northeast after midnight.
* 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.
* Freezing level........13500 Feet.
.THURSDAY...
* Sky/weather...........Sunny.
* Max temperature.......74-84...except 66-76 ridges.
* Min humidity..........33-48 percent.
* 20-foot winds.........
* Valleys/lwr slopes..Upslope/upvalley around 3 mph.
* Ridges/upr slopes...East winds around 3 mph shifting to the
northwest in the afternoon.
* Mixing height.........700 ft AGL increasing to 2800 ft AGL in the
afternoon.
* Transport winds.......East around 5 mph shifting to the northwest
in the afternoon.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...0 percent.
* Freezing level........14500 Feet.
.THURSDAY NIGHT...
* Sky/weather...........Mostly clear.
* Min temperature.......49-59.
* Max humidity..........52-67 percent...except 45-60 percent
ridges.
* 20-foot winds.........
* Valleys/lwr slopes..Downslope/downvalley 3 to 5 mph.
* Ridges/upr slopes...North winds 3 to 7 mph shifting to the east after
midnight.
* Mixing height.........400-1200 ft AGL.
* Transport winds.......Northeast around 5 mph shifting to the east
after midnight.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...0 percent.
* Freezing level........15000 Feet.
.FRIDAY...
* Sky/weather...........Sunny.
* Max temperature.......82-92...except 74-84 ridges.
* Min humidity..........23-38 percent.
* 20-foot winds.........
* Valleys/lwr slopes..Upslope/upvalley 3 to 5 mph.
* Ridges/upr slopes...Northeast winds 3 to 6 mph.
* Mixing height.........400 ft AGL increasing to 3800 ft AGL in the
afternoon.
* Transport winds.......East around 10 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...0 percent.
* Freezing level........15500 Feet.
.FRIDAY NIGHT...Clear. Freezing level 15500 feet. Lows 57 to 67.
East winds 4 to 7 mph.
.SATURDAY...Sunny. Freezing level 15500 feet. Highs 84 to
94 valleys...78 to 88 ridges. East winds 3 to 6 mph shifting to the
north in the afternoon.
.SATURDAY NIGHT...Partly cloudy. Freezing level 15500 feet. Lows
58 to 68. East winds around 3 mph.
.SUNDAY...Mostly sunny. Freezing level 15000 feet. Highs 83 to
93 valleys...76 to 86 ridges. Northwest winds around 3 mph.
.SUNDAY NIGHT...Mostly clear. Freezing level 15000 feet. Lows 56 to
66. Northwest winds around 3 mph.
.MONDAY...Sunny. Freezing level 14500 feet. Highs 79 to 89 valleys...
73 to 83 ridges. Northwest winds around 3 mph.
.TUESDAY...Mostly clear. Freezing level 14500 feet. Lows 55 to 65.
Highs 78 to 88 valleys...71 to 81 ridges.
.WEDNESDAY...Mostly clear. Freezing level 14000 feet. Lows 54 to 64.
Highs 76 to 86 valleys...69 to 79 ridges.
.8 TO 14 day Outlook for Aug 28 - Sep 03, 2025
Above normal temperatures and above normal precipitation.
$$
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