Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Seattle/Tacoma, WA
Issued by NWS Seattle/Tacoma, WA
332
FNUS56 KSEW 212147
FWFSEW
Fire Weather Planning Forecast for Western Washington
National Weather Service Seattle WA
247 PM PDT Thu Aug 21 2025
...HEAT ADVISORY IN EFFECT FROM 11 AM FRIDAY TO 5 AM PDT TUESDAY...
...EXTREME HEAT WARNING IN EFFECT FROM 11 AM FRIDAY TO 5 AM PDT
TUESDAY...
...FIRE WEATHER WATCH IN EFFECT FROM SATURDAY MORNING THROUGH
SATURDAY EVENING...
...FIRE WEATHER WATCH IN EFFECT FROM SATURDAY MORNING THROUGH SUNDAY
EVENING...
.DISCUSSION...A warming and drying trend continues over western Washington
into the weekend bringing widespread hot and dry conditions that will
last at least through Sunday for most locations. Temperatures will warm to
the upper 90s and humidities will drop to the 15-30 percent range
across portions of the Cascades, Olympics, and areas south of the
Sound. Overnight RH recoveries will be poor to moderate. Saturday
and Sunday will likely be the warmest and driest of the days. Warm
and dry conditions will continue into early next week.
Forecast for 20 foot wind speed (valleys and ridge tops) are 10
minute averages reflecting RAWS winds.
WAZ649-221145-
North and Central Coastal Strip-
247 PM PDT Thu Aug 21 2025
...HEAT ADVISORY IN EFFECT FROM 11 AM FRIDAY TO 5 AM PDT TUESDAY...
.Tonight...
* Sky/weather...........Partly cloudy.
* Min temperature.......50-60.
* Max humidity..........74-89 percent.
* 20-foot winds.........
* Valleys/lwr slopes..North winds 4 to 7 mph.
* Ridges/upr slopes...Northwest winds around 7 mph shifting to the
northeast around 5 mph after midnight.
* Mixing height.........400-500 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.......73-83.
* Min humidity..........46-61 percent.
* 20-foot winds.........
* Valleys/lwr slopes..Northeast winds around 3 mph shifting to the
north around 5 mph in the afternoon.
* Ridges/upr slopes...Northeast winds 3 to 5 mph.
* Mixing height.........400-800 ft AGL.
* Transport winds.......Northeast 5 to 10 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...0 percent.
.FRIDAY NIGHT...
* Sky/weather...........Mostly clear.
* Min temperature.......55-65.
* Max humidity..........68-83 percent.
* 20-foot winds.........
* Valleys/lwr slopes..North winds 3 to 6 mph.
* Ridges/upr slopes...North winds 3 to 6 mph.
* Mixing height.........300-400 ft AGL.
* Transport winds.......North 5 to 10 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...0 percent.
.SATURDAY...
* Sky/weather...........Sunny.
* Max temperature.......73-83.
* Min humidity..........44-59 percent.
* 20-foot winds.........
* Valleys/lwr slopes..North winds 3 to 6 mph.
* Ridges/upr slopes...North winds 3 to 6 mph.
* Mixing height.........300-700 ft AGL.
* Transport winds.......North around 5 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...0 percent.
.SATURDAY NIGHT...Partly cloudy. Lows around 60. Northwest winds
3 to 6 mph.
.SUNDAY...Mostly sunny. Highs 72 to 82. Light winds becoming west
around 4 mph in the afternoon.
.SUNDAY NIGHT...Partly cloudy. Lows in the upper 50s. Light winds.
.MONDAY...Mostly sunny. Highs 70 to 80. Southwest winds around
3 mph.
.MONDAY NIGHT...Partly cloudy. Lows in the upper 50s. Northwest
winds around 3 mph.
.TUESDAY...Mostly sunny. Highs 68 to 78. West winds around 3 mph.
.WEDNESDAY...Partly cloudy. Patchy fog. Lows in the upper 50s. Highs
66 to 76.
.THURSDAY...Mostly cloudy. Lows in the mid 50s. Highs in the upper
60s.
.8 TO 14 day Outlook for Aug 29 - Sep 04, 2025
Above normal temperatures and above normal precipitation.
$$
WAZ650-221145-
North Coastal Lowlands-
247 PM PDT Thu Aug 21 2025
...HEAT ADVISORY IN EFFECT FROM 11 AM FRIDAY TO 5 AM PDT TUESDAY...
.Tonight...
* Sky/weather...........Partly cloudy.
* Min temperature.......53-63.
* Max humidity..........61-76 percent.
* 20-foot winds.........
* Valleys/lwr slopes..Northeast winds 3 to 6 mph.
* Ridges/upr slopes...North winds around 6 mph shifting to the
northeast after midnight.
* Mixing height.........500-900 ft AGL.
* Transport winds.......North 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.......75-85.
* Min humidity..........40-55 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.........700-1700 ft AGL.
* Transport winds.......Northeast around 5 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...0 percent.
.FRIDAY NIGHT...
* Sky/weather...........Clear.
* Min temperature.......59-69.
* Max humidity..........55-70 percent...except 48-63 percent
ridges.
* 20-foot winds.........
* Valleys/lwr slopes..Northeast winds 3 to 5 mph.
* Ridges/upr slopes...Northeast winds 3 to 6 mph.
* Mixing height.........500-800 ft AGL.
* Transport winds.......Northeast around 5 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...0 percent.
.SATURDAY...
* Sky/weather...........Sunny.
* Max temperature.......78-88.
* Min humidity..........35-50 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.......East around 5 mph shifting to the north in
the afternoon.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...0 percent.
.SATURDAY NIGHT...Partly cloudy. Lows 59 to 69. North winds 3 to
5 mph.
.SUNDAY...Sunny. Highs 79 to 89. Light winds becoming west around
3 mph in the afternoon.
.SUNDAY NIGHT...Partly cloudy. Lows 57 to 67. Light winds.
.MONDAY...Sunny. Highs 76 to 86. Light winds.
.MONDAY NIGHT...Mostly clear. Lows 56 to 66. Light winds.
.TUESDAY...Mostly sunny. Highs 75 to 85. Light winds.
.WEDNESDAY...Partly cloudy. Patchy fog after midnight. Lows 55 to
65. Highs 72 to 82.
.THURSDAY...Partly cloudy. Patchy fog after midnight. Lows in the
upper 50s. Highs 69 to 79.
.8 TO 14 day Outlook for Aug 29 - Sep 04, 2025
Above normal temperatures and above normal precipitation.
$$
WAZ651-221145-
Central Coastal Lowlands-
247 PM PDT Thu Aug 21 2025
...HEAT ADVISORY IN EFFECT FROM 11 AM FRIDAY TO 5 AM PDT TUESDAY...
.Tonight...
* Sky/weather...........Mostly clear.
* Min temperature.......51-61.
* Max humidity..........68-83 percent.
* 20-foot winds.........
* Valleys/lwr slopes..North winds 3 to 5 mph.
* Ridges/upr slopes...Northeast winds 3 to 6 mph.
* Mixing height.........400-1000 ft AGL.
* Transport winds.......Northeast around 5 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...0 percent.
.FRIDAY...
* Sky/weather...........Sunny.
* Max temperature.......81-91.
* Min humidity..........32-47 percent...except 39-48 percent
ridges.
* 20-foot winds.........
* Valleys/lwr slopes..Northeast winds 3 to 5 mph.
* Ridges/upr slopes...East winds around 3 mph in the morning
becoming light.
* Mixing height.........900-1900 ft AGL.
* Transport winds.......Northeast 5 to 10 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...0 percent.
.FRIDAY NIGHT...
* Sky/weather...........Clear.
* Min temperature.......59-69.
* Max humidity..........56-71 percent.
* 20-foot winds.........
* Valleys/lwr slopes..North winds around 3 mph in the evening
becoming light.
* Ridges/upr slopes...Light winds becoming northeast around 5 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.
.SATURDAY...
* Sky/weather...........Sunny.
* Max temperature.......84-94.
* Min humidity..........30-45 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 10 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...0 percent.
.SATURDAY NIGHT...Partly cloudy. Lows 58 to 68. Northwest winds
around 3 mph in the evening becoming light.
.SUNDAY...Mostly sunny. Highs 82 to 92. Light winds becoming west
around 3 mph in the afternoon.
.SUNDAY NIGHT...Partly cloudy. Lows 55 to 65. Light winds.
.MONDAY...Mostly sunny. Highs 80 to 90. Light winds.
.MONDAY NIGHT...Partly cloudy. Lows 55 to 65. Light winds.
.TUESDAY...Mostly sunny. Highs 79 to 89 valleys...74 to 84 ridges.
Light winds.
.WEDNESDAY...Partly cloudy. Patchy fog in the morning. Lows in the
upper 50s. Highs 76 to 86 valleys...71 to 81 ridges.
.THURSDAY...Partly cloudy. Lows in the mid 50s. Highs 71 to
81 valleys...66 to 76 ridges.
.8 TO 14 day Outlook for Aug 29 - Sep 04, 2025
Above normal temperatures and above normal precipitation.
$$
WAZ652-221145-
West Portion of the Olympic Mountains-
247 PM PDT Thu Aug 21 2025
.Tonight...
* Sky/weather...........Mostly clear.
* Min temperature.......52-62.
* Max humidity..........49-64 percent.
* 20-foot winds.........
* Valleys/lwr slopes..Northeast winds 4 to 8 mph.
* Ridges/upr slopes...Northeast winds 4 to 8 mph.
* Mixing height.........300-700 ft AGL.
* Transport winds.......Northeast 5 to 10 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...0 percent.
* Freezing level........14500 Feet.
.FRIDAY...
* Sky/weather...........Sunny.
* Max temperature.......79-89...except 73-83 ridges.
* Min humidity..........32-47 percent.
* 20-foot winds.........
* Valleys/lwr slopes..Upslope/upvalley 3 to 4 mph.
* Ridges/upr slopes...East winds around 4 mph shifting to the west
around 3 mph in the afternoon.
* Mixing height.........400 ft AGL increasing to 2600 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...
* Sky/weather...........Clear.
* Min temperature.......58-68.
* Max humidity..........40-55 percent.
* 20-foot winds.........
* Valleys/lwr slopes..Northeast winds 4 to 7 mph.
* Ridges/upr slopes...Northeast winds 4 to 7 mph.
* Mixing height.........300-900 ft AGL.
* Transport winds.......East 5 to 10 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...0 percent.
* Freezing level........15500 Feet.
.SATURDAY...
* Sky/weather...........Sunny.
* Max temperature.......82-92...except 76-86 ridges.
* Min humidity..........29-44 percent.
* 20-foot winds.........
* Valleys/lwr slopes..Upslope/upvalley 3 to 5 mph.
* Ridges/upr slopes...East winds around 6 mph shifting to the west
around 3 mph 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........15500 Feet.
.SATURDAY NIGHT...Partly cloudy. Freezing level 15500 feet. Lows in
the upper 60s. Northwest winds around 3 mph shifting to the east
around 5 mph after midnight.
.SUNDAY...Sunny. Freezing level 15000 feet. Highs 77 to 87. East
winds around 4 mph shifting to the west around 3 mph in the
afternoon.
.SUNDAY NIGHT...Mostly clear. Freezing level 15000 feet. Lows in the
mid 60s. Light winds.
.MONDAY...Sunny. Freezing level 14500 feet. Highs 75 to 85.
Southwest winds around 3 mph.
.MONDAY NIGHT...Mostly clear. Freezing level 14500 feet. Lows in the
lower 60s. Light winds.
.TUESDAY...Sunny. Freezing level 14500 feet. Highs 75 to
85 valleys...70 to 80 ridges. Light winds.
.WEDNESDAY...Mostly clear. Freezing level 14500 feet. Lows in the
lower 60s. Highs 71 to 81.
.THURSDAY...Mostly clear. Freezing level 14500 feet. Lows in the
upper 50s. Highs 66 to 76.
.8 TO 14 day Outlook for Aug 29 - Sep 04, 2025
Above normal temperatures and above normal precipitation.
$$
WAZ661-221145-
East Portion of the Olympic Mountains-
247 PM PDT Thu Aug 21 2025
...FIRE WEATHER WATCH IN EFFECT FROM SATURDAY MORNING THROUGH
SATURDAY EVENING...
.Tonight...
* Sky/weather...........Mostly clear.
* Min temperature.......49-59.
* Max humidity..........49-64 percent...except 44-59 percent
ridges.
* 20-foot winds.........
* Valleys/lwr slopes..Northeast winds 5 to 8 mph.
* Ridges/upr slopes...Northeast winds 5 to 8 mph.
* Mixing height.........400-800 ft AGL.
* Transport winds.......Northeast 5 to 10 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...0 percent.
* Freezing level........14500 Feet.
.FRIDAY...
* Sky/weather...........Sunny.
* Max temperature.......77-87...except 72-82 ridges.
* Min humidity..........28-43 percent.
* 20-foot winds.........
* Valleys/lwr slopes..Upslope/upvalley around 5 mph.
* Ridges/upr slopes...Northeast winds 4 to 7 mph.
* Mixing height.........900-1900 ft AGL.
* Transport winds.......East around 10 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...0 percent.
* Freezing level........15000 Feet.
.FRIDAY NIGHT...
* Sky/weather...........Clear.
* Min temperature.......56-66.
* Max humidity..........43-58 percent...except 37-52 percent
ridges.
* 20-foot winds.........
* Valleys/lwr slopes..Northeast winds 4 to 7 mph.
* Ridges/upr slopes...Northeast winds 4 to 7 mph.
* Mixing height.........400-900 ft AGL.
* Transport winds.......Northeast 5 to 10 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...0 percent.
* Freezing level........15500 Feet.
.SATURDAY...
* Sky/weather...........Sunny.
* Max temperature.......81-91...except 76-86 ridges.
* Min humidity..........26-41 percent.
* 20-foot winds.........
* Valleys/lwr slopes..Northeast winds 3 to 6 mph.
* Ridges/upr slopes...Northeast winds 3 to 6 mph.
* Mixing height.........400 ft AGL increasing to 2500 ft AGL in the
afternoon.
* Transport winds.......East around 5 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...0 percent.
* Freezing level........15500 Feet.
.SATURDAY NIGHT...Partly cloudy. Freezing level 15500 feet. Lows
60 to 70. West winds 3 to 6 mph.
.SUNDAY...Sunny. Freezing level 15000 feet. Highs 80 to 90 valleys...
72 to 82 ridges. West winds around 5 mph shifting to the southwest
around 3 mph in the afternoon.
.SUNDAY NIGHT...Mostly clear. Freezing level 15000 feet. Lows 58 to
68. Light winds.
.MONDAY...Sunny. Freezing level 14500 feet. Highs 77 to 87 valleys...
70 to 80 ridges. Southwest winds around 3 mph.
.MONDAY NIGHT...Mostly clear. Freezing level 14500 feet. Lows 56 to
66. Light winds.
.TUESDAY...Sunny. Freezing level 14500 feet. Highs 76 to
86 valleys...69 to 79 ridges. West winds around 3 mph.
.WEDNESDAY...Mostly clear. Freezing level 14500 feet. Lows 55 to 65.
Highs 74 to 84 valleys...67 to 77 ridges.
.THURSDAY...Mostly clear. Freezing level 14500 feet. Lows 53 to 63.
Highs 70 to 80 valleys...63 to 73 ridges.
.8 TO 14 day Outlook for Aug 29 - Sep 04, 2025
Above normal temperatures and above normal precipitation.
$$
WAZ653-221145-
Strait of Juan De Fuca and Northwest Interior Lowlands-
247 PM PDT Thu Aug 21 2025
...HEAT ADVISORY IN EFFECT FROM 11 AM FRIDAY TO 5 AM PDT TUESDAY...
.Tonight...
* Sky/weather...........Partly cloudy.
* Min temperature.......51-61.
* Max humidity..........62-77 percent.
* 20-foot winds.........Northwest winds 4 to 7 mph.
* Mixing height.........500-600 ft AGL.
* Transport winds.......Northwest around 10 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...0 percent.
.FRIDAY...
* Sky/weather...........Sunny.
* Max temperature.......73-83.
* Min humidity..........43-58 percent.
* 20-foot winds.........North winds 4 to 7 mph.
* Mixing height.........600-900 ft AGL.
* Transport winds.......North around 10 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...0 percent.
.FRIDAY NIGHT...
* Sky/weather...........Mostly clear.
* Min temperature.......56-66.
* Max humidity..........57-72 percent.
* 20-foot winds.........Northwest winds 4 to 7 mph.
* Mixing height.........500-600 ft AGL.
* Transport winds.......North around 10 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...0 percent.
.SATURDAY...
* Sky/weather...........Sunny.
* Max temperature.......75-85.
* Min humidity..........39-54 percent.
* 20-foot winds.........North winds 4 to 7 mph.
* Mixing height.........500-900 ft AGL.
* Transport winds.......North 5 to 10 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...0 percent.
.SATURDAY NIGHT...Partly cloudy. Lows 58 to 68. Northwest winds 3 to
6 mph.
.SUNDAY...Mostly sunny. Highs 78 to 88. North winds 3 to 6 mph.
.SUNDAY NIGHT...Mostly clear. Lows 57 to 67. Light winds.
.MONDAY...Sunny. Highs 75 to 85. Light winds.
.MONDAY NIGHT...Mostly clear. Lows around 60. Light winds.
.TUESDAY...Sunny. Highs 75 to 85. Light winds.
.WEDNESDAY...Mostly clear. Lows 55 to 65. Highs 74 to 84.
.THURSDAY...Mostly clear. Lows in the upper 50s. Highs 72 to 82.
.8 TO 14 day Outlook for Aug 29 - Sep 04, 2025
Above normal temperatures and above normal precipitation.
$$
WAZ654-221145-
Central and South Puget Sound Lowlands-
247 PM PDT Thu Aug 21 2025
...HEAT ADVISORY IN EFFECT FROM 11 AM FRIDAY TO 5 AM PDT TUESDAY...
.Tonight...
* Sky/weather...........Mostly clear.
* Min temperature.......52-62.
* Max humidity..........56-71 percent.
* 20-foot winds.........Northeast winds 6 to 9 mph.
* Mixing height.........500-1100 ft AGL.
* Transport winds.......North around 10 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...0 percent.
.FRIDAY...
* Sky/weather...........Sunny.
* Max temperature.......79-89.
* Min humidity..........30-45 percent.
* 20-foot winds.........North winds 5 to 8 mph.
* Mixing height.........800-1800 ft AGL.
* Transport winds.......North around 10 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...0 percent.
.FRIDAY NIGHT...
* Sky/weather...........Clear.
* Min temperature.......57-67.
* Max humidity..........50-65 percent.
* 20-foot winds.........North winds 5 to 8 mph.
* Mixing height.........400-1000 ft AGL.
* Transport winds.......North around 10 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...0 percent.
.SATURDAY...
* Sky/weather...........Sunny.
* Max temperature.......82-95.
* Min humidity..........26-41 percent.
* 20-foot winds.........North winds 4 to 7 mph.
* Mixing height.........700-1700 ft AGL.
* Transport winds.......Northeast around 10 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...0 percent.
.SATURDAY NIGHT...Partly cloudy. Lows 59 to 69. North winds 4 to
7 mph.
.SUNDAY...Mostly sunny. Highs 85 to 95. North winds 3 to 6 mph.
.SUNDAY NIGHT...Mostly clear. Lows 58 to 68. Northwest winds around
3 mph.
.MONDAY...Sunny. Highs 83 to 93. West winds around 3 mph.
.MONDAY NIGHT...Mostly clear. Lows in the lower 60s. Northwest winds
around 3 mph.
.TUESDAY...Sunny. Highs 82 to 92. West winds around 3 mph.
.WEDNESDAY...Mostly clear. Lows in the lower 60s. Highs in the mid
80s.
.THURSDAY...Partly cloudy. Lows in the upper 50s. Highs in the lower
80s.
.8 TO 14 day Outlook for Aug 29 - Sep 04, 2025
Above normal temperatures and above normal precipitation.
$$
WAZ655-221145-
Black Hills and Southwest Interior Lowlands-
247 PM PDT Thu Aug 21 2025
...HEAT ADVISORY IN EFFECT FROM 11 AM FRIDAY TO 5 AM PDT TUESDAY...
.Tonight...
* Sky/weather...........Clear.
* Min temperature.......52-62.
* Max humidity..........58-73 percent.
* 20-foot winds.........Northeast winds 5 to 8 mph.
* Mixing height.........600-1500 ft AGL.
* Transport winds.......Northeast around 10 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...0 percent.
.FRIDAY...
* Sky/weather...........Sunny.
* Max temperature.......85-95.
* Min humidity..........21-36 percent.
* 20-foot winds.........Northeast winds 4 to 7 mph.
* Mixing height.........1200-2200 ft AGL.
* Transport winds.......Northeast around 10 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...0 percent.
.FRIDAY NIGHT...
* Sky/weather...........Clear.
* Min temperature.......58-68.
* Max humidity..........49-64 percent.
* 20-foot winds.........Northeast winds 3 to 6 mph.
* Mixing height.........500-1300 ft AGL.
* Transport winds.......Northeast around 10 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...0 percent.
.SATURDAY...
* Sky/weather...........Sunny.
* Max temperature.......89-99.
* Min humidity..........18-33 percent.
* 20-foot winds.........Northeast winds 3 to 6 mph.
* Mixing height.........900-1900 ft AGL.
* Transport winds.......Northeast around 10 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...0 percent.
.SATURDAY NIGHT...Partly cloudy. Lows 60 to 70. North winds 3 to
5 mph.
.SUNDAY...Mostly sunny. Highs in the lower 90s. Light winds becoming
northwest around 3 mph in the afternoon.
.SUNDAY NIGHT...Partly cloudy. Lows 57 to 67. Light winds.
.MONDAY...Sunny. Highs around 90. Light winds.
.MONDAY NIGHT...Mostly clear. Lows 57 to 67. Light winds.
.TUESDAY...Sunny. Highs around 90. Light winds.
.WEDNESDAY...Mostly clear. Lows 55 to 65. Highs in the upper 80s.
.THURSDAY...Partly cloudy. Lows 53 to 63. Highs in the lower 80s.
.8 TO 14 day Outlook for Aug 29 - Sep 04, 2025
Above normal temperatures and above normal precipitation.
$$
WAZ656-221145-
Northeast Puget Sound Lowlands Generally Below 1500 Feet-
247 PM PDT Thu Aug 21 2025
...HEAT ADVISORY IN EFFECT FROM 11 AM FRIDAY TO 5 AM PDT TUESDAY...
.Tonight...
* Sky/weather...........Partly cloudy.
* Min temperature.......54-64.
* Max humidity..........62-77 percent.
* 20-foot winds.........Northwest winds around 4 mph shifting to
the northeast around 5 mph after midnight.
* Mixing height.........900-1400 ft AGL.
* Transport winds.......Northwest around 5 mph shifting to the
northeast after midnight.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...0 percent.
.FRIDAY...
* Sky/weather...........Sunny.
* Max temperature.......82-92.
* Min humidity..........26-41 percent.
* 20-foot winds.........Northeast winds around 3 mph shifting to
the northwest around 4 mph in the afternoon.
* Mixing height.........1500-2500 ft AGL.
* Transport winds.......Northeast around 5 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...0 percent.
.FRIDAY NIGHT...
* Sky/weather...........Mostly clear.
* Min temperature.......58-68.
* Max humidity..........52-67 percent.
* 20-foot winds.........North winds around 3 mph shifting to the
northeast around 5 mph after midnight.
* Mixing height.........900-1400 ft AGL.
* Transport winds.......Northeast 5 to 10 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...0 percent.
.SATURDAY...
* Sky/weather...........Sunny.
* Max temperature.......86-96.
* Min humidity..........22-37 percent.
* 20-foot winds.........Northeast winds around 5 mph shifting to
the northwest around 4 mph in the afternoon.
* Mixing height.........1300-2300 ft AGL.
* Transport winds.......East around 5 mph shifting to the north in
the afternoon.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...0 percent.
.SATURDAY NIGHT...Partly cloudy. Lows 61 to 71. Northwest winds
around 3 mph shifting to the east around 4 mph after midnight.
.SUNDAY...Mostly sunny. Highs 87 to 97. East winds around 3 mph
shifting to the west in the afternoon.
.SUNDAY NIGHT...Partly cloudy. Lows 60 to 70. North winds around
3 mph.
.MONDAY...Sunny. Highs 84 to 94. Light winds.
.MONDAY NIGHT...Mostly clear. Lows 59 to 69. Light winds.
.TUESDAY...Sunny. Highs 83 to 93. Light winds.
.WEDNESDAY...Mostly clear. Lows 57 to 67. Highs 82 to 92.
.THURSDAY...Mostly clear. Lows 56 to 66. Highs 77 to 87.
.8 TO 14 day Outlook for Aug 29 - Sep 04, 2025
Above normal temperatures and above normal precipitation.
$$
WAZ657-221145-
Southeast Puget Sound Lowlands Generally Below 1500 Feet-
247 PM PDT Thu Aug 21 2025
...HEAT ADVISORY IN EFFECT FROM 11 AM FRIDAY TO 5 AM PDT TUESDAY...
.Tonight...
* Sky/weather...........Mostly clear.
* Min temperature.......52-62.
* Max humidity..........66-81 percent.
* 20-foot winds.........North winds around 5 mph shifting to the
northeast around 3 mph after midnight.
* Mixing height.........500-1400 ft AGL.
* Transport winds.......Northeast 5 to 10 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...0 percent.
.FRIDAY...
* Sky/weather...........Sunny.
* Max temperature.......84-94.
* Min humidity..........27-42 percent.
* 20-foot winds.........Light winds becoming north around 4 mph in
the afternoon.
* Mixing height.........1100-2100 ft AGL.
* Transport winds.......Northeast 5 to 10 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...0 percent.
.FRIDAY NIGHT...
* Sky/weather...........Clear.
* Min temperature.......57-67.
* Max humidity..........49-64 percent.
* 20-foot winds.........Northeast winds 3 to 5 mph.
* Mixing height.........500-1200 ft AGL.
* Transport winds.......Northeast 5 to 10 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...0 percent.
.SATURDAY...
* Sky/weather...........Sunny.
* Max temperature.......88-98.
* Min humidity..........22-37 percent.
* 20-foot winds.........East winds around 3 mph shifting to the
north around 4 mph 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.
.SATURDAY NIGHT...Partly cloudy. Lows in the mid 60s. North winds
around 3 mph in the evening becoming light.
.SUNDAY...Mostly sunny. Highs in the lower 90s. Light winds becoming
northwest around 3 mph in the afternoon.
.SUNDAY NIGHT...Partly cloudy. Lows in the mid 60s. Light winds.
.MONDAY...Sunny. Highs in the upper 80s. Light winds.
.MONDAY NIGHT...Mostly clear. Lows in the mid 60s. Light winds.
.TUESDAY...Sunny. Highs in the upper 80s. Light winds.
.WEDNESDAY...Mostly clear. Lows in the lower 60s. Highs in the upper
80s.
.THURSDAY...Partly cloudy. Lows around 60. Highs in the lower 80s.
.8 TO 14 day Outlook for Aug 29 - Sep 04, 2025
Above normal temperatures and above normal precipitation.
$$
WAZ658-221145-
West Slopes of the North Cascades Generally above 1500 Feet-
247 PM PDT Thu Aug 21 2025
...FIRE WEATHER WATCH IN EFFECT FROM SATURDAY MORNING THROUGH SUNDAY
EVENING...
...EXTREME HEAT WARNING IN EFFECT FROM 11 AM FRIDAY TO 5 AM PDT
TUESDAY...
.Tonight...
* Sky/weather...........Partly cloudy.
* Min temperature.......52-62...except 49-59 ridges.
* Max humidity..........54-69 percent...except 47-62 percent
ridges.
* 20-foot winds.........
* Valleys/lwr slopes..North winds around 4 mph shifting to the east
around 7 mph after midnight.
* Ridges/upr slopes...North winds around 5 mph shifting to the east
after midnight.
* Mixing height.........500-1100 ft AGL.
* Transport winds.......North around 10 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.......81-94...except 73-83 ridges.
* Min humidity..........20-35 percent.
* 20-foot winds.........
* Valleys/lwr slopes..Upslope/upvalley 3 to 5 mph.
* Ridges/upr slopes...East winds 3 to 7 mph.
* Mixing height.........700 ft AGL increasing to 3800 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...
* Sky/weather...........Mostly clear.
* Min temperature.......57-67...except 54-64 ridges.
* Max humidity..........42-57 percent...except 34-47 percent
ridges.
* 20-foot winds.........
* Valleys/lwr slopes..East winds 4 to 9 mph.
* Ridges/upr slopes...East winds 4 to 10 mph.
* Mixing height.........500-1500 ft AGL.
* Transport winds.......East around 10 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...0 percent.
* Freezing level........15500 Feet.
.SATURDAY...
* Sky/weather...........Sunny.
* Max temperature.......85-98...except 77-87 ridges.
* Min humidity..........15-30 percent.
* 20-foot winds.........
* Valleys/lwr slopes..Northeast winds 3 to 6 mph.
* Ridges/upr slopes...East winds around 9 mph shifting to the south
around 3 mph in the afternoon.
* Mixing height.........500 ft AGL increasing to 3900 ft AGL in the
afternoon.
* Transport winds.......East around 10 mph shifting to the south in
the afternoon.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...0 percent.
* Freezing level........15500 Feet.
.SATURDAY NIGHT...Partly cloudy. Freezing level 15500 feet. Lows
59 to 69. West winds around 3 mph shifting to the east around 7 mph
after midnight.
.SUNDAY...Mostly sunny. Freezing level 15000 feet. Highs 84 to
94 valleys...77 to 87 ridges. East winds around 6 mph shifting to
the southwest around 4 mph in the afternoon.
.SUNDAY NIGHT...Partly cloudy. Freezing level 15000 feet. Lows 58 to
68. Southwest winds around 4 mph.
.MONDAY...Sunny. Freezing level 14500 feet. Highs 81 to 91 valleys...
74 to 84 ridges. Southwest winds around 3 mph.
.MONDAY NIGHT...Mostly clear. Freezing level 14500 feet. Lows 57 to
67. West winds around 3 mph.
.TUESDAY...Sunny. Freezing level 14000 feet. Highs 80 to
90 valleys...73 to 83 ridges. West winds around 3 mph.
.WEDNESDAY...Mostly clear. Freezing level 14500 feet. Lows 56 to 66.
Highs 78 to 88 valleys...71 to 81 ridges.
.THURSDAY...Partly cloudy. Freezing level 14000 feet. Lows 54 to 64.
Highs 74 to 84 valleys...66 to 76 ridges.
.8 TO 14 day Outlook for Aug 29 - Sep 04, 2025
Above normal temperatures and above normal precipitation.
$$
WAZ659-221145-
West Slopes of the Central Cascades Generally above 1500 Feet-
247 PM PDT Thu Aug 21 2025
...FIRE WEATHER WATCH IN EFFECT FROM SATURDAY MORNING THROUGH SUNDAY
EVENING...
...EXTREME HEAT WARNING IN EFFECT FROM 11 AM FRIDAY TO 5 AM PDT
TUESDAY...
.Tonight...
* Sky/weather...........Mostly clear.
* Min temperature.......52-62...except 49-59 ridges.
* Max humidity..........53-68 percent...except 48-63 percent
ridges.
* 20-foot winds.........
* Valleys/lwr slopes..North winds around 4 mph shifting to the east
around 6 mph after midnight.
* Ridges/upr slopes...Northeast winds around 5 mph shifting to the
east around 9 mph after midnight.
* Mixing height.........500-1100 ft AGL.
* Transport winds.......Northeast 5 to 10 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...0 percent.
* Freezing level........15000 Feet.
.FRIDAY...
* Sky/weather...........Sunny.
* Max temperature.......83-95...except 73-83 ridges.
* Min humidity..........20-35 percent.
* 20-foot winds.........
* Valleys/lwr slopes..Upslope/upvalley 3 to 5 mph.
* Ridges/upr slopes...East winds 3 to 6 mph.
* Mixing height.........800 ft AGL increasing to 3900 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...
* Sky/weather...........Mostly clear.
* Min temperature.......55-65.
* Max humidity..........40-55 percent...except 32-47 percent
ridges.
* 20-foot winds.........
* Valleys/lwr slopes..East winds 4 to 8 mph.
* Ridges/upr slopes...East winds 4 to 9 mph.
* Mixing height.........500-1500 ft AGL.
* Transport winds.......East around 10 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...0 percent.
* Freezing level........15500 Feet.
.SATURDAY...
* Sky/weather...........Mostly sunny.
* Max temperature.......87-99...except 79-89 ridges.
* Min humidity..........15-30 percent.
* 20-foot winds.........
* Valleys/lwr slopes..East winds around 6 mph shifting to the
northeast around 3 mph in the afternoon.
* Ridges/upr slopes...East winds 3 to 8 mph.
* Mixing height.........400 ft AGL increasing to 3500 ft AGL in the
afternoon.
* Transport winds.......East 5 to 10 mph.
* CWR (>0.25)...........0 percent.
* Chance of Lightning...0 percent.
* Freezing level........15500 Feet.
.SATURDAY NIGHT...Partly cloudy. Freezing level 15500 feet. Lows
61 to 71. Northeast winds around 3 mph shifting to the east around
6 mph after midnight.
.SUNDAY...Mostly sunny. Freezing level 15000 feet. Highs 84 to
94 valleys...78 to 88 ridges. East winds around 4 mph shifting to
the west in the afternoon.
.SUNDAY NIGHT...Partly cloudy. Freezing level 15000 feet. Lows 59 to
69. Northwest winds around 3 mph.
.MONDAY...Mostly sunny. Freezing level 14500 feet. Highs 82 to
92 valleys...74 to 84 ridges. Light winds.
.MONDAY NIGHT...Partly cloudy. Freezing level 14500 feet. Lows 58 to
68. Northwest winds around 3 mph.
.TUESDAY...Sunny. Freezing level 14500 feet. Highs 81 to
91 valleys...74 to 84 ridges. Northwest winds around 3 mph.
.WEDNESDAY...Mostly clear. Freezing level 14500 feet. Lows 56 to 66.
Highs 78 to 88 valleys...72 to 82 ridges.
.THURSDAY...Partly cloudy. Freezing level 14500 feet. Lows 53 to 63.
Highs 74 to 84 valleys...67 to 77 ridges.
.8 TO 14 day Outlook for Aug 29 - Sep 04, 2025
Above normal temperatures and above normal precipitation.
$$
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