Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Seattle/Tacoma, WA
Issued by NWS Seattle/Tacoma, WA
327
FNUS56 KSEW 172210
FWFSEW
Fire Weather Planning Forecast for Western Washington
National Weather Service Seattle WA
310 PM PDT Sun Aug 17 2025
.DISCUSSION...Scattered showers will continue to taper off today.
Cooler and cloudier conditions through Tuesday, with a warming and
drying trend for the latter half of the week with minimum relative
humidity values dipping back below 30 percent starting Thursday.
Forecast for 20 foot wind speed (valleys and ridge tops) are 10
minute averages reflecting RAWS winds.
WAZ649-181115-
North and Central Coastal Strip-
310 PM PDT Sun Aug 17 2025
.Tonight...
* Sky/weather...........Mostly cloudy.
* Min temperature.......50-60.
* Max humidity..........89-near 100 percent.
* 20-foot winds.........
* Valleys/lwr slopes..Light winds.
* Ridges/upr slopes...Light winds.
* Mixing height.........400-700 ft AGL.
* Transport winds.......West around 5 mph shifting to the south
after midnight.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...0 percent.
.MONDAY...
* Sky/weather...........Partly sunny. Slight chance of rain.
* Max temperature.......61-71.
* Min humidity..........70-85 percent.
* 20-foot winds.........
* Valleys/lwr slopes..South winds 4 to 7 mph.
* Ridges/upr slopes...South winds 4 to 7 mph.
* Mixing height.........700-1700 ft AGL.
* Transport winds.......South 10 to 15 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...1 percent.
.MONDAY NIGHT...
* Sky/weather...........Mostly cloudy. Chance of rain in the
evening. Slight chance of rain after midnight.
* Min temperature.......Around 57.
* Max humidity..........90-near 100 percent.
* 20-foot winds.........
* Valleys/lwr slopes..South winds 3 to 6 mph.
* Ridges/upr slopes...South winds 4 to 7 mph.
* Mixing height.........500-1000 ft AGL.
* Transport winds.......South around 10 mph.
* CWR (>0.25)...........5 percent.
* Chance of Lightning...0 percent.
.TUESDAY...
* Sky/weather...........Mostly cloudy. Chance of rain.
* Max temperature.......60-70.
* Min humidity..........75-90 percent.
* 20-foot winds.........
* Valleys/lwr slopes..Southeast winds around 3 mph shifting to the
southwest around 5 mph in the afternoon.
* Ridges/upr slopes...Southeast winds around 5 mph shifting to the
southwest in the afternoon.
* Mixing height.........600-1400 ft AGL.
* Transport winds.......South around 10 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...2 percent.
.TUESDAY NIGHT...Mostly cloudy. Slight chance of rain in the
evening. Lows in the mid 50s. West winds around 3 mph in the evening
becoming light.
.WEDNESDAY...Mostly sunny. Highs 64 to 74. Light winds becoming
northwest around 6 mph in the afternoon.
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 50s. Northwest
winds around 4 mph.
.THURSDAY...Sunny. Highs 67 to 77. North winds around 3 mph.
.THURSDAY NIGHT...Mostly clear. Lows in the mid 50s. North winds
around 4 mph.
.FRIDAY...Sunny. Highs 71 to 81. North winds around 3 mph.
.SATURDAY...Mostly clear. Lows in the mid 50s. Highs 69 to 79.
.SUNDAY...Partly cloudy. Lows in the mid 50s. Highs 66 to 76.
.8 TO 14 day Outlook for Aug 25 - 31, 2025
Above normal temperatures and above normal precipitation.
$$
WAZ650-181115-
North Coastal Lowlands-
310 PM PDT Sun Aug 17 2025
.Tonight...
* Sky/weather...........Mostly cloudy.
* Min temperature.......48-58.
* Max humidity..........81-96 percent.
* 20-foot winds.........
* Valleys/lwr slopes..Light winds.
* Ridges/upr slopes...Light winds.
* Mixing height.........500-1400 ft AGL.
* Transport winds.......West around 5 mph shifting to the south
after midnight.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...2 percent.
.MONDAY...
* Sky/weather...........Partly sunny. Slight chance of rain.
* Max temperature.......62-72...except 59-69 ridges.
* Min humidity..........63-78 percent.
* 20-foot winds.........
* Valleys/lwr slopes..South winds 3 to 6 mph.
* Ridges/upr slopes...South winds 3 to 6 mph.
* Mixing height.........1500-2500 ft AGL.
* Transport winds.......South 5 to 10 mph.
* CWR (>0.25)...........5 percent.
* Chance of Lightning...1 percent.
.MONDAY NIGHT...
* Sky/weather...........Mostly cloudy. Chance of rain in the
evening, then slight chance of rain after midnight.
* Min temperature.......49-59.
* Max humidity..........81-96 percent.
* 20-foot winds.........
* Valleys/lwr slopes..South winds 3 to 5 mph.
* Ridges/upr slopes...South winds 3 to 6 mph.
* Mixing height.........700-1700 ft AGL.
* Transport winds.......South around 10 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...1 percent.
.TUESDAY...
* Sky/weather...........Mostly cloudy. Chance of rain.
* Max temperature.......62-72.
* Min humidity..........65-80 percent...except 70-85 percent
ridges.
* 20-foot winds.........
* Valleys/lwr slopes..Light winds becoming southwest around 4 mph
in the afternoon.
* Ridges/upr slopes...Southeast winds around 3 mph shifting to the
southwest around 4 mph in the afternoon.
* Mixing height.........1200-2200 ft AGL.
* Transport winds.......South 5 to 10 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...2 percent.
.TUESDAY NIGHT...Mostly cloudy. Slight chance of rain in the
evening. Lows in the lower 50s. West winds around 3 mph in the
evening becoming light.
.WEDNESDAY...Mostly sunny. Highs 66 to 76. Light winds becoming west
around 4 mph in the afternoon.
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 50s. Light winds.
.THURSDAY...Sunny. Highs 71 to 81. Light winds.
.THURSDAY NIGHT...Clear. Lows 50 to 60. North winds around 3 mph.
.FRIDAY...Sunny. Highs 76 to 86. Light winds.
.SATURDAY...Mostly clear. Lows 53 to 63. Highs 75 to 85.
.SUNDAY...Mostly clear. Lows 52 to 62. Highs 71 to 81.
.8 TO 14 day Outlook for Aug 25 - 31, 2025
Above normal temperatures and above normal precipitation.
$$
WAZ651-181115-
Central Coastal Lowlands-
310 PM PDT Sun Aug 17 2025
.Tonight...
* Sky/weather...........Mostly cloudy.
* Min temperature.......Around 53.
* Max humidity..........85-100 percent.
* 20-foot winds.........
* Valleys/lwr slopes..West winds up to 3 mph.
* Ridges/upr slopes...West winds up to 3 mph.
* Mixing height.........500-1500 ft AGL.
* Transport winds.......West around 5 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...0 percent.
.MONDAY...
* Sky/weather...........Partly sunny.
* Max temperature.......61-71.
* Min humidity..........63-78 percent...except 70-85 percent
ridges.
* 20-foot winds.........
* Valleys/lwr slopes..Light winds becoming southwest around 5 mph
in the afternoon.
* Ridges/upr slopes...Light winds becoming southwest around 5 mph
in the afternoon.
* Mixing height.........1000 ft AGL increasing to 3100 ft AGL in
the afternoon.
* Transport winds.......Southwest 5 to 10 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...1 percent.
.MONDAY NIGHT...
* Sky/weather...........Mostly cloudy.
* Min temperature.......Around 54.
* Max humidity..........85-100 percent.
* 20-foot winds.........
* Valleys/lwr slopes..Southwest winds around 3 mph in the evening
becoming light.
* Ridges/upr slopes...West winds around 3 mph in the evening
becoming light.
* Mixing height.........600-1600 ft AGL.
* Transport winds.......Southwest 5 to 10 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...0 percent.
.TUESDAY...
* Sky/weather...........Mostly cloudy. Slight chance of rain.
* Max temperature.......63-73.
* Min humidity..........65-80 percent...except 70-84 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.........700 ft AGL increasing to 2700 ft AGL in the
afternoon.
* Transport winds.......Southwest around 5 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...3 percent.
.TUESDAY NIGHT...Mostly cloudy. Lows in the mid 50s. West winds
around 4 mph in the evening becoming light.
.WEDNESDAY...Warmer. Mostly sunny. Highs 70 to 80 valleys...64 to
74 ridges. Light winds becoming west around 4 mph in the afternoon.
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 50s. Light winds.
.THURSDAY...Sunny. Highs 75 to 85 valleys...69 to 79 ridges. Light
winds.
.THURSDAY NIGHT...Clear. Lows in the lower 50s. Light winds.
.FRIDAY...Warmer, sunny. Highs 81 to 91 valleys...76 to 86 ridges.
Light winds.
.SATURDAY...Mostly clear. Lows 52 to 62. Highs 79 to 89.
.SUNDAY...Mostly clear. Lows in the mid 50s. Highs 75 to
85 valleys...70 to 80 ridges.
.8 TO 14 day Outlook for Aug 25 - 31, 2025
Above normal temperatures and above normal precipitation.
$$
WAZ652-181115-
West Portion of the Olympic Mountains-
310 PM PDT Sun Aug 17 2025
.Tonight...
* Sky/weather...........Mostly cloudy.
* Min temperature.......43-53.
* Max humidity..........78-93 percent.
* 20-foot winds.........
* Valleys/lwr slopes..Downslope/downvalley 1 to 2 mph.
* Ridges/upr slopes...Light winds.
* Mixing height.........300-1100 ft AGL.
* Transport winds.......Southwest around 5 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...3 percent.
* Freezing level........11000 Feet.
.MONDAY...
* Sky/weather...........Partly sunny. Slight chance of rain in the
afternoon.
* Max temperature.......59-69...except 55-65 ridges.
* Min humidity..........65-80 percent.
* 20-foot winds.........
* Valleys/lwr slopes..Upslope/upvalley 2 to 5 mph.
* Ridges/upr slopes...South winds 3 to 6 mph.
* Mixing height.........1200-2200 ft AGL.
* Transport winds.......South 5 to 10 mph.
* CWR (>0.25)...........5 percent.
* Chance of Lightning...1 percent.
* Freezing level........10000 Feet.
.MONDAY NIGHT...
* Sky/weather...........Mostly cloudy. Slight chance of rain
through the night.
* Min temperature.......48-58...except 45-55 ridges.
* Max humidity..........77-92 percent.
* 20-foot winds.........
* Valleys/lwr slopes..Downslope/downvalley 3 to 4 mph.
* Ridges/upr slopes...Southwest winds around 4 mph shifting to the
southeast around 3 mph after midnight.
* Mixing height.........300-1200 ft AGL.
* Transport winds.......South around 5 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...1 percent.
* Freezing level........11000 Feet.
.TUESDAY...
* Sky/weather...........Mostly cloudy. Slight chance of rain.
* Max temperature.......61-71...except 56-66 ridges.
* Min humidity..........67-82 percent.
* 20-foot winds.........
* Valleys/lwr slopes..Upslope/upvalley 2 to 4 mph.
* Ridges/upr slopes...Southeast winds around 3 mph shifting to the
southwest around 4 mph in the afternoon.
* Mixing height.........400 ft AGL increasing to 2400 ft AGL in the
afternoon.
* Transport winds.......Southwest around 5 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...1 percent.
* Freezing level........10500 Feet.
.TUESDAY NIGHT...Mostly cloudy. Slight chance of rain in the
evening. Freezing level 11500 feet. Lows 47 to 57. West winds around
3 mph in the evening becoming light.
.WEDNESDAY...Sunny. Freezing level 11500 feet. Highs 63 to
73 valleys...58 to 68 ridges. Light winds becoming west around 4 mph
in the afternoon.
.WEDNESDAY NIGHT...Mostly clear. Freezing level 12000 feet. Lows in
the lower 50s. North winds around 3 mph.
.THURSDAY...Sunny. Freezing level 13000 feet. Highs 68 to
78 valleys...63 to 73 ridges. North winds around 3 mph.
.THURSDAY NIGHT...Clear. Freezing level 14500 feet. Lows in the mid
50s. North winds around 3 mph.
.FRIDAY...Warmer, sunny. Freezing level 15000 feet. Highs 75 to
85 valleys...70 to 80 ridges. North winds around 3 mph.
.SATURDAY...Clear. Freezing level 15000 feet. Lows around 60. Highs
73 to 83.
.SUNDAY...Clear. Freezing level 14500 feet. Lows in the upper 50s.
Highs 68 to 78.
.8 TO 14 day Outlook for Aug 25 - 31, 2025
Above normal temperatures and above normal precipitation.
$$
WAZ661-181115-
East Portion of the Olympic Mountains-
310 PM PDT Sun Aug 17 2025
.Tonight...
* Sky/weather...........Mostly cloudy.
* Min temperature.......46-56...except 43-53 ridges.
* Max humidity..........79-94 percent.
* 20-foot winds.........
* Valleys/lwr slopes..Downslope/downvalley 2 to 3 mph.
* Ridges/upr slopes...West winds around 3 mph in the evening
becoming light.
* Mixing height.........400-1100 ft AGL.
* Transport winds.......Southwest around 5 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...1 percent.
* Freezing level........11000 Feet.
.MONDAY...
* Sky/weather...........Partly sunny. Slight chance of rain in the
afternoon.
* Max temperature.......61-71...except 54-64 ridges.
* Min humidity..........60-75 percent.
* 20-foot winds.........
* Valleys/lwr slopes..Upslope/upvalley 3 to 5 mph.
* Ridges/upr slopes...Southwest winds 3 to 6 mph.
* Mixing height.........1300-2300 ft AGL.
* Transport winds.......Southwest 5 to 10 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...1 percent.
* Freezing level........10500 Feet.
.MONDAY NIGHT...
* Sky/weather...........Mostly cloudy. Slight chance of rain in the
evening.
* Min temperature.......46-56...except 43-53 ridges.
* Max humidity..........77-92 percent...except 72-87 percent
ridges.
* 20-foot winds.........
* Valleys/lwr slopes..Downslope/downvalley 3 to 4 mph.
* Ridges/upr slopes...Southwest winds 3 to 5 mph.
* Mixing height.........400-1200 ft AGL.
* Transport winds.......Southwest around 5 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...2 percent.
* Freezing level........11000 Feet.
.TUESDAY...
* Sky/weather...........Mostly cloudy. Slight chance of rain.
* Max temperature.......62-72...except 55-65 ridges.
* Min humidity..........63-78 percent.
* 20-foot winds.........
* Valleys/lwr slopes..Upslope/upvalley 2 to 3 mph.
* Ridges/upr slopes...Southwest winds 3 to 5 mph.
* Mixing height.........900-1900 ft AGL.
* Transport winds.......Southwest around 5 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...1 percent.
* Freezing level........11000 Feet.
.TUESDAY NIGHT...Mostly cloudy. Slight chance of rain in the
evening. Freezing level 11500 feet. Lows 46 to 56. West winds around
3 mph in the evening becoming light.
.WEDNESDAY...Mostly sunny. Freezing level 11500 feet. Highs 63 to
73 valleys...55 to 65 ridges. West winds 3 to 5 mph.
.WEDNESDAY NIGHT...Mostly clear. Freezing level 12000 feet. Lows
45 to 55. Northwest winds around 3 mph.
.THURSDAY...Sunny. Freezing level 13000 feet. Highs 67 to
77 valleys...60 to 70 ridges. Northeast winds around 3 mph.
.THURSDAY NIGHT...Clear. Freezing level 14500 feet. Lows 49 to 59.
North winds around 3 mph.
.FRIDAY...Warmer, sunny. Freezing level 15000 feet. Highs 74 to
84 valleys...67 to 77 ridges. Northeast winds around 3 mph.
.SATURDAY...Clear. Freezing level 15000 feet. Lows 53 to 63. Highs
75 to 85 valleys...67 to 77 ridges.
.SUNDAY...Clear. Freezing level 14500 feet. Lows in the upper 50s.
Highs 72 to 82 valleys...64 to 74 ridges.
.8 TO 14 day Outlook for Aug 25 - 31, 2025
Above normal temperatures and above normal precipitation.
$$
WAZ653-181115-
Strait of Juan De Fuca and Northwest Interior Lowlands-
310 PM PDT Sun Aug 17 2025
.Tonight...
* Sky/weather...........Mostly cloudy.
* Min temperature.......49-59.
* Max humidity..........80-95 percent.
* 20-foot winds.........West winds around 3 mph in the evening
becoming light.
* Mixing height.........500-700 ft AGL.
* Transport winds.......West around 5 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...0 percent.
.MONDAY...
* Sky/weather...........Partly sunny. Slight chance of rain in the
afternoon.
* Max temperature.......66-76.
* Min humidity..........54-69 percent.
* 20-foot winds.........South winds 3 to 6 mph.
* Mixing height.........700-1700 ft AGL.
* Transport winds.......South around 5 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...1 percent.
.MONDAY NIGHT...
* Sky/weather...........Mostly cloudy.
* Min temperature.......49-59.
* Max humidity..........78-93 percent.
* 20-foot winds.........West winds around 3 mph shifting to the
south after midnight.
* Mixing height.........500-800 ft AGL.
* Transport winds.......Southwest around 5 mph shifting to the
south after midnight.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...0 percent.
.TUESDAY...
* Sky/weather...........Mostly cloudy. Chance of rain in the
morning. Slight chance of rain in the afternoon.
* Max temperature.......65-75.
* Min humidity..........60-75 percent.
* 20-foot winds.........South winds around 3 mph shifting to the
west around 4 mph in the afternoon.
* Mixing height.........700-1700 ft AGL.
* Transport winds.......South around 5 mph shifting to the
southwest in the afternoon.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...0 percent.
.TUESDAY NIGHT...Mostly cloudy. Slight chance of rain in the
evening. Lows 50 to 60. West winds 3 to 5 mph.
.WEDNESDAY...Mostly sunny. Highs 67 to 77. Light winds becoming
northwest around 5 mph in the afternoon.
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 50s. West winds
around 3 mph.
.THURSDAY...Sunny. Highs 69 to 79. Northwest winds around 4 mph.
.THURSDAY NIGHT...Clear. Lows in the mid 50s. Northwest winds around
3 mph.
.FRIDAY...Sunny. Highs 74 to 84. North winds around 4 mph.
.SATURDAY...Clear. Lows in the upper 50s. Highs 74 to 84.
.SUNDAY...Mostly clear. Lows in the upper 50s. Highs 72 to 82.
.8 TO 14 day Outlook for Aug 25 - 31, 2025
Above normal temperatures and above normal precipitation.
$$
WAZ654-181115-
Central and South Puget Sound Lowlands-
310 PM PDT Sun Aug 17 2025
.Tonight...
* Sky/weather...........Mostly cloudy.
* Min temperature.......51-61.
* Max humidity..........81-96 percent.
* 20-foot winds.........Northwest winds around 3 mph in the evening
becoming light.
* Mixing height.........600-1600 ft AGL.
* Transport winds.......West around 5 mph shifting to the southwest
after midnight.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...0 percent.
.MONDAY...
* Sky/weather...........Partly sunny.
* Max temperature.......67-77.
* Min humidity..........50-65 percent.
* 20-foot winds.........Southwest winds 4 to 8 mph.
* Mixing height.........1100 ft AGL increasing to 4100 ft AGL in
the afternoon.
* Transport winds.......Southwest 5 to 10 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...1 percent.
.MONDAY NIGHT...
* Sky/weather...........Mostly cloudy.
* Min temperature.......51-61.
* Max humidity..........77-92 percent.
* 20-foot winds.........Southwest winds 3 to 6 mph.
* Mixing height.........900-1900 ft AGL.
* Transport winds.......Southwest 5 to 10 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...0 percent.
.TUESDAY...
* Sky/weather...........Mostly cloudy.
* Max temperature.......67-77.
* Min humidity..........55-70 percent.
* 20-foot winds.........Light winds becoming southwest around 5 mph
in the afternoon.
* Mixing height.........700 ft AGL increasing to 3300 ft AGL in the
afternoon.
* Transport winds.......Southwest around 5 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...2 percent.
.TUESDAY NIGHT...Mostly cloudy. Lows in the mid 50s. Northwest winds
around 5 mph in the evening becoming light.
.WEDNESDAY...Mostly sunny. Highs 71 to 81. Light winds becoming
north around 5 mph in the afternoon.
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 50s. North winds
around 4 mph.
.THURSDAY...Sunny. Highs 73 to 83. North winds around 4 mph.
.THURSDAY NIGHT...Clear. Lows in the mid 50s. North winds around
5 mph.
.FRIDAY...Warmer, sunny. Highs 79 to 89. North winds around 4 mph.
.SATURDAY...Clear. Lows 53 to 63. Highs 80 to 90.
.SUNDAY...Mostly clear. Lows 53 to 63. Highs in the lower 80s.
.8 TO 14 day Outlook for Aug 25 - 31, 2025
Above normal temperatures and above normal precipitation.
$$
WAZ655-181115-
Black Hills and Southwest Interior Lowlands-
310 PM PDT Sun Aug 17 2025
.Tonight...
* Sky/weather...........Mostly cloudy.
* Min temperature.......49-59.
* Max humidity..........85-100 percent.
* 20-foot winds.........West winds around 3 mph in the evening
becoming light.
* Mixing height.........800-1800 ft AGL.
* Transport winds.......West around 5 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...0 percent.
.MONDAY...
* Sky/weather...........Partly sunny.
* Max temperature.......66-76.
* Min humidity..........55-70 percent.
* 20-foot winds.........Light winds becoming southwest around 4 mph
in the afternoon.
* Mixing height.........1200 ft AGL increasing to 4400 ft AGL in
the afternoon.
* Transport winds.......Southwest 5 to 10 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...1 percent.
.MONDAY NIGHT...
* Sky/weather...........Partly cloudy then becoming mostly cloudy.
* Min temperature.......47-57.
* Max humidity..........85-100 percent.
* 20-foot winds.........West winds around 3 mph in the evening
becoming light.
* Mixing height.........1000-2000 ft AGL.
* Transport winds.......West 5 to 10 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...0 percent.
.TUESDAY...
* Sky/weather...........Partly sunny.
* Max temperature.......67-77.
* Min humidity..........54-69 percent.
* 20-foot winds.........Light winds becoming northwest around 3 mph
in the afternoon.
* Mixing height.........800 ft AGL increasing to 3600 ft AGL in the
afternoon.
* Transport winds.......West around 5 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...3 percent.
.TUESDAY NIGHT...Mostly cloudy. Lows in the mid 50s. Northwest winds
around 4 mph in the evening becoming light.
.WEDNESDAY...Mostly sunny. Highs in the upper 70s. Light winds
becoming northwest around 4 mph in the afternoon.
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 50s. Light winds.
.THURSDAY...Sunny. Highs 77 to 87. North winds around 3 mph.
.THURSDAY NIGHT...Clear. Lows 50 to 60. North winds around 3 mph.
.FRIDAY...Warmer, sunny. Highs 84 to 94. Northeast winds around
3 mph.
.SATURDAY...Clear. Lows 53 to 63. Highs in the upper 80s.
.SUNDAY...Mostly clear. Lows 51 to 61. Highs in the mid 80s.
.8 TO 14 day Outlook for Aug 25 - 31, 2025
Above normal temperatures and above normal precipitation.
$$
WAZ656-181115-
Northeast Puget Sound Lowlands Generally Below 1500 Feet-
310 PM PDT Sun Aug 17 2025
.Tonight...
* Sky/weather...........Mostly cloudy.
* Min temperature.......49-59.
* Max humidity..........81-96 percent.
* 20-foot winds.........Light winds.
* Mixing height.........1100-2100 ft AGL.
* Transport winds.......Northwest around 5 mph shifting to the
south after midnight.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...0 percent.
.MONDAY...
* Sky/weather...........Partly sunny.
* Max temperature.......64-74.
* Min humidity..........51-66 percent.
* 20-foot winds.........Light winds becoming southwest around 5 mph
in the afternoon.
* Mixing height.........1500 ft AGL increasing to 4400 ft AGL in
the afternoon.
* Transport winds.......South 5 to 10 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...1 percent.
.MONDAY NIGHT...
* Sky/weather...........Mostly cloudy.
* Min temperature.......49-59.
* Max humidity..........79-94 percent.
* 20-foot winds.........Southwest winds around 3 mph in the evening
becoming light.
* Mixing height.........1100-2100 ft AGL.
* Transport winds.......South around 5 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...1 percent.
.TUESDAY...
* Sky/weather...........Partly sunny.
* Max temperature.......64-74.
* Min humidity..........51-66 percent.
* 20-foot winds.........Light winds becoming west around 4 mph in
the afternoon.
* Mixing height.........1200 ft AGL increasing to 3600 ft AGL in
the afternoon.
* Transport winds.......South around 5 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...1 percent.
.TUESDAY NIGHT...Mostly cloudy. Lows in the mid 50s. West winds
around 4 mph in the evening becoming light.
.WEDNESDAY...Warmer. Mostly sunny. Highs 70 to 80. Light winds
becoming west around 4 mph in the afternoon.
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 50s. North winds
around 3 mph.
.THURSDAY...Sunny. Highs 74 to 84. North winds around 3 mph.
.THURSDAY NIGHT...Mostly clear. Lows 51 to 61. North winds around
3 mph.
.FRIDAY...Warmer, sunny. Highs 81 to 91. North winds around 3 mph.
.SATURDAY...Mostly clear. Lows 54 to 64. Highs 81 to 91.
.SUNDAY...Mostly clear. Lows 53 to 63. Highs 78 to 88.
.8 TO 14 day Outlook for Aug 25 - 31, 2025
Above normal temperatures and above normal precipitation.
$$
WAZ657-181115-
Southeast Puget Sound Lowlands Generally Below 1500 Feet-
310 PM PDT Sun Aug 17 2025
.Tonight...
* Sky/weather...........Mostly cloudy.
* Min temperature.......49-59.
* Max humidity..........85-100 percent.
* 20-foot winds.........Light winds.
* Mixing height.........1100-2100 ft AGL.
* Transport winds.......Northwest around 5 mph shifting to the
southwest after midnight.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...0 percent.
.MONDAY...
* Sky/weather...........Partly sunny.
* Max temperature.......69-79.
* Min humidity..........49-64 percent.
* 20-foot winds.........Light winds becoming southwest around 3 mph
in the afternoon.
* Mixing height.........1300 ft AGL increasing to 4500 ft AGL in
the afternoon.
* Transport winds.......Southwest 5 to 10 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...1 percent.
.MONDAY NIGHT...
* Sky/weather...........Partly cloudy then becoming mostly cloudy.
* Min temperature.......48-58.
* Max humidity..........82-97 percent.
* 20-foot winds.........West winds around 3 mph in the evening
becoming light.
* Mixing height.........2700 ft AGL decreasing to 700 ft AGL after
midnight.
* Transport winds.......Southwest around 5 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...1 percent.
.TUESDAY...
* Sky/weather...........Partly sunny.
* Max temperature.......69-79.
* Min humidity..........49-64 percent.
* 20-foot winds.........Light winds becoming west around 3 mph in
the afternoon.
* Mixing height.........900 ft AGL increasing to 3500 ft AGL in the
afternoon.
* Transport winds.......South around 5 mph shifting to the west in
the afternoon.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...2 percent.
.TUESDAY NIGHT...Mostly cloudy. Lows 51 to 61. Northwest winds
around 3 mph in the evening becoming light.
.WEDNESDAY...Mostly sunny. Highs in the mid 70s. Light winds
becoming northwest around 4 mph in the afternoon.
.WEDNESDAY NIGHT...Mostly clear. Lows in the lower 50s. Light winds.
.THURSDAY...Sunny. Highs in the upper 70s. North winds around 3 mph.
.THURSDAY NIGHT...Clear. Lows 51 to 61. Northeast winds around
3 mph.
.FRIDAY...Sunny. Highs in the mid 80s. Light winds.
.SATURDAY...Clear. Lows in the upper 50s. Highs in the mid 80s.
.SUNDAY...Mostly clear. Lows in the upper 50s. Highs in the lower
80s.
.8 TO 14 day Outlook for Aug 25 - 31, 2025
Above normal temperatures and above normal precipitation.
$$
WAZ658-181115-
West Slopes of the North Cascades Generally above 1500 Feet-
310 PM PDT Sun Aug 17 2025
.Tonight...
* Sky/weather...........Mostly cloudy.
* Min temperature.......48-58...except 43-53 ridges.
* Max humidity..........78-93 percent.
* 20-foot winds.........
* Valleys/lwr slopes..Downslope/downvalley around 2 mph.
* Ridges/upr slopes...Southwest winds 3 to 5 mph.
* Mixing height.........500-1500 ft AGL.
* Transport winds.......Southwest around 5 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...1 percent.
* Freezing level........11500 Feet.
.MONDAY...
* Sky/weather...........Partly sunny.
* Max temperature.......64-74...except 57-67 ridges.
* Min humidity..........52-67 percent.
* 20-foot winds.........
* Valleys/lwr slopes..Upslope/upvalley 2 to 5 mph.
* Ridges/upr slopes...Southwest winds 3 to 6 mph.
* Mixing height.........1000 ft AGL increasing to 3100 ft AGL in
the afternoon.
* Transport winds.......Southwest 5 to 10 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...1 percent.
* Freezing level........11000 Feet.
.MONDAY NIGHT...
* Sky/weather...........Mostly cloudy.
* Min temperature.......48-58...except 43-53 ridges.
* Max humidity..........75-90 percent.
* 20-foot winds.........
* Valleys/lwr slopes..Downslope/downvalley 3 to 4 mph.
* Ridges/upr slopes...Southwest winds 4 to 7 mph.
* Mixing height.........500-1500 ft AGL.
* Transport winds.......Southwest 5 to 10 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...2 percent.
* Freezing level........11500 Feet.
.TUESDAY...
* Sky/weather...........Partly sunny.
* Max temperature.......64-74...except 57-67 ridges.
* Min humidity..........52-67 percent.
* 20-foot winds.........
* Valleys/lwr slopes..Upslope/upvalley 2 to 4 mph.
* Ridges/upr slopes...South winds around 3 mph shifting to the west
around 5 mph in the afternoon.
* Mixing height.........700 ft AGL increasing to 2700 ft AGL in the
afternoon.
* Transport winds.......Southwest around 5 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...1 percent.
* Freezing level........11500 Feet.
.TUESDAY NIGHT...Mostly cloudy. Slight chance of rain in the
evening. Freezing level 12000 feet. Lows in the lower 50s valleys...
in the upper 40s ridges. West winds 3 to 6 mph.
.WEDNESDAY...Mostly sunny. Freezing level 12000 feet. Highs 64 to
74 valleys...56 to 66 ridges. West winds 3 to 6 mph.
.WEDNESDAY NIGHT...Mostly clear. Freezing level 12000 feet. Lows
43 to 53. Northwest winds around 4 mph.
.THURSDAY...Warmer, sunny. Freezing level 13000 feet. Highs 70 to
80 valleys...63 to 73 ridges. North winds around 3 mph.
.THURSDAY NIGHT...Mostly clear. Freezing level 14000 feet. Lows
48 to 58. North winds around 4 mph.
.FRIDAY...Warmer, sunny. Freezing level 14500 feet. Highs 78 to
88 valleys...70 to 80 ridges. Northeast winds around 4 mph.
.SATURDAY...Clear. Freezing level 15000 feet. Lows 52 to 62. Highs
78 to 88 valleys...71 to 81 ridges.
.SUNDAY...Clear. Freezing level 14500 feet. Lows 52 to 62. Highs
75 to 85 valleys...68 to 78 ridges.
.8 TO 14 day Outlook for Aug 25 - 31, 2025
Above normal temperatures and above normal precipitation.
$$
WAZ659-181115-
West Slopes of the Central Cascades Generally above 1500 Feet-
310 PM PDT Sun Aug 17 2025
.Tonight...
* Sky/weather...........Mostly cloudy.
* Min temperature.......46-56...except 42-52 ridges.
* Max humidity..........85-100 percent...except 78-93 percent
ridges.
* 20-foot winds.........
* Valleys/lwr slopes..Downslope/downvalley 1 to 2 mph.
* Ridges/upr slopes...Northwest winds around 3 mph in the evening
becoming light.
* Mixing height.........600-1600 ft AGL.
* Transport winds.......West around 5 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...0 percent.
* Freezing level........12000 Feet.
.MONDAY...
* Sky/weather...........Partly sunny.
* Max temperature.......65-75...except 56-66 ridges.
* Min humidity..........54-69 percent.
* 20-foot winds.........
* Valleys/lwr slopes..Upslope/upvalley 2 to 4 mph.
* Ridges/upr slopes...Light winds becoming west around 5 mph in the
afternoon.
* Mixing height.........1100 ft AGL increasing to 3200 ft AGL in
the afternoon.
* Transport winds.......Southwest 5 to 10 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...1 percent.
* Freezing level........12000 Feet.
.MONDAY NIGHT...
* Sky/weather...........Partly cloudy.
* Min temperature.......44-54...except 41-51 ridges.
* Max humidity..........75-90 percent.
* 20-foot winds.........
* Valleys/lwr slopes..Downslope/downvalley 2 to 3 mph.
* Ridges/upr slopes...West winds 3 to 5 mph.
* Mixing height.........600-1600 ft AGL.
* Transport winds.......West around 5 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...2 percent.
* Freezing level........12500 Feet.
.TUESDAY...
* Sky/weather...........Mostly sunny.
* Max temperature.......67-77...except 58-68 ridges.
* Min humidity..........49-64 percent.
* 20-foot winds.........
* Valleys/lwr slopes..Upslope/upvalley 2 to 4 mph.
* Ridges/upr slopes...South winds around 3 mph shifting to the
northwest around 4 mph in the afternoon.
* Mixing height.........700 ft AGL increasing to 2800 ft AGL in the
afternoon.
* Transport winds.......West around 5 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...0 percent.
* Freezing level........12500 Feet.
.TUESDAY NIGHT...Partly cloudy. Freezing level 12500 feet. Lows
46 to 56. Northwest winds around 4 mph in the evening becoming
light.
.WEDNESDAY...Mostly sunny. Freezing level 12500 feet. Highs 65 to
75 valleys...57 to 67 ridges. Light winds becoming northwest around
5 mph in the afternoon.
.WEDNESDAY NIGHT...Mostly clear. Freezing level 13000 feet. Lows
44 to 54. North winds around 3 mph.
.THURSDAY...Warmer, sunny. Freezing level 14000 feet. Highs 71 to
81 valleys...64 to 74 ridges. North winds around 3 mph.
.THURSDAY NIGHT...Mostly clear. Freezing level 15000 feet. Lows
50 to 60. Northeast winds around 4 mph.
.FRIDAY...Warmer, sunny. Freezing level 15000 feet. Highs 80 to
90 valleys...72 to 82 ridges. Northeast winds around 3 mph.
.SATURDAY...Clear. Freezing level 15500 feet. Lows 54 to 64. Highs
79 to 89 valleys...73 to 83 ridges.
.SUNDAY...Mostly clear. Freezing level 15000 feet. Lows in the upper
50s. Highs 75 to 85 valleys...68 to 78 ridges.
.8 TO 14 day Outlook for Aug 25 - 31, 2025
Above normal temperatures and above normal precipitation.
$$
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