995
FNUS56 KSEW 211449
FWFSEW
FIRE WEATHER PLANNING FORECAST FOR WESTERN WASHINGTON
NATIONAL WEATHER SERVICE SEATTLE WA
749 AM PDT THU AUG 21 2025
..HEAT ADVISORY IN EFFECT FROM 11 AM FRIDAY TO 5 AM PDT TUESDAY
DISCUSSION
A WARMING AND DRYING TREND STARTS OVER WESTERN
WASHINGTON THURSDAY AND REMAINS IN PLACE INTO THE WEEKEND.
TEMPERATURES WILL WARM AND HUMIDITIES LOWER, DROPPING INTO THE 20-30
PERCENT RANGE ACROSS THE CASCADES AND AREAS SOUTH OF THE SOUND BY
FRIDAY AND SATURDAY. OVERNIGHT RH RECOVERIES WILL ALSO BE ONLY
MODERATE DURING THIS TIME FRAME AS WELL. SATURDAY AND SUNDAY LIKELY
BEING 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.
WAZ649-212345-
NORTH AND CENTRAL COASTAL STRIP-
749 AM PDT THU AUG 21 2025
..HEAT ADVISORY IN EFFECT FROM 11 AM FRIDAY TO 5 AM PDT TUESDAY
TODAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......64-74.
* MIN HUMIDITY..........54-69 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..NORTHWEST WINDS 3 TO 6 MPH.
* RIDGES/UPR SLOPES...NORTHWEST WINDS 3 TO 6 MPH.
* MIXING HEIGHT.........500-1100 FT AGL.
* TRANSPORT WINDS.......NORTH 5 TO 10 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
TONIGHT
* SKY/WEATHER...........MOSTLY CLEAR.
* MIN TEMPERATURE.......49-59.
* MAX HUMIDITY..........76-91 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..NORTH WINDS 3 TO 6 MPH.
* RIDGES/UPR SLOPES...NORTHWEST WINDS AROUND 5 MPH SHIFTING TO THE
NORTHEAST AROUND 4 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.......72-82.
* MIN HUMIDITY..........45-60 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..NORTH WINDS 3 TO 6 MPH.
* RIDGES/UPR SLOPES...NORTH WINDS 3 TO 6 MPH.
* MIXING HEIGHT.........300-800 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
MOSTLY CLEAR. LOWS IN THE UPPER 50S. NORTH WINDS
4 TO 7 MPH.
SATURDAY
SUNNY. HIGHS 75 TO 85. NORTH WINDS 3 TO 6 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 60. NORTHWEST WINDS
4 TO 7 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS 72 TO 82. LIGHT WINDS BECOMING WEST
AROUND 5 MPH IN THE AFTERNOON.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. NORTHWEST
WINDS AROUND 3 MPH.
MONDAY
MOSTLY SUNNY. HIGHS 69 TO 79. WEST WINDS AROUND 3 MPH.
TUESDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS 68 TO 78.
WEDNESDAY
MOSTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS 65 TO 75.
.8 TO 14 DAY OUTLOOK FOR AUG 28 - SEP 03, 2025
ABOVE NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.
WAZ650-212345-
NORTH COASTAL LOWLANDS-
749 AM PDT THU AUG 21 2025
..HEAT ADVISORY IN EFFECT FROM 11 AM FRIDAY TO 5 AM PDT TUESDAY
TODAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......68-78.
* MIN HUMIDITY..........49-64 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..LIGHT WINDS BECOMING NORTHWEST AROUND 4 MPH
IN THE AFTERNOON.
* RIDGES/UPR SLOPES...LIGHT WINDS BECOMING NORTH AROUND 4 MPH IN
THE AFTERNOON.
* MIXING HEIGHT.........900-1900 FT AGL.
* TRANSPORT WINDS.......NORTHEAST AROUND 5 MPH SHIFTING TO THE
NORTH IN THE AFTERNOON.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
TONIGHT
* SKY/WEATHER...........MOSTLY CLEAR.
* MIN TEMPERATURE.......52-62.
* MAX HUMIDITY..........63-78 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..NORTH WINDS AROUND 3 MPH SHIFTING TO THE
NORTHEAST AFTER MIDNIGHT.
* RIDGES/UPR SLOPES...NORTH WINDS AROUND 4 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..........38-53 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..NORTHEAST WINDS AROUND 3 MPH SHIFTING TO THE
NORTH IN THE AFTERNOON.
* RIDGES/UPR SLOPES...NORTHEAST WINDS 3 TO 6 MPH.
* MIXING HEIGHT.........600-1600 FT AGL.
* TRANSPORT WINDS.......NORTHEAST AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
FRIDAY NIGHT
CLEAR. LOWS 58 TO 68. NORTH WINDS 3 TO 6 MPH.
SATURDAY
WARMER, SUNNY. HIGHS 82 TO 92. NORTHEAST WINDS AROUND
3 MPH SHIFTING TO THE NORTHWEST IN THE AFTERNOON.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS 59 TO 69. NORTHWEST WINDS
AROUND 3 MPH IN THE EVENING BECOMING LIGHT.
SUNDAY
SUNNY. HIGHS 78 TO 88. LIGHT WINDS BECOMING WEST AROUND
3 MPH IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS 57 TO 67. LIGHT WINDS.
MONDAY
SUNNY. HIGHS 76 TO 86. LIGHT WINDS.
TUESDAY
MOSTLY CLEAR. LOWS 55 TO 65. HIGHS 75 TO 85.
WEDNESDAY
PARTLY CLOUDY. LOWS 55 TO 65. HIGHS 71 TO 81.
.8 TO 14 DAY OUTLOOK FOR AUG 28 - SEP 03, 2025
ABOVE NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.
WAZ651-212345-
CENTRAL COASTAL LOWLANDS-
749 AM PDT THU AUG 21 2025
..HEAT ADVISORY IN EFFECT FROM 11 AM FRIDAY TO 5 AM PDT TUESDAY
TODAY
* SKY/WEATHER...........SUNNY.
* MAX TEMPERATURE.......71-81.
* MIN HUMIDITY..........42-57 PERCENT...EXCEPT 50-59 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.
TONIGHT
* SKY/WEATHER...........CLEAR.
* MIN TEMPERATURE.......51-61.
* MAX HUMIDITY..........70-85 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 3 MPH
AFTER MIDNIGHT.
* MIXING HEIGHT.........400-1100 FT AGL.
* TRANSPORT WINDS.......NORTHEAST AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
FRIDAY
* SKY/WEATHER...........SUNNY.
* MAX TEMPERATURE.......80-90.
* MIN HUMIDITY..........30-45 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..NORTHEAST WINDS 3 TO 6 MPH.
* RIDGES/UPR SLOPES...NORTHEAST WINDS AROUND 4 MPH IN THE MORNING
BECOMING LIGHT.
* MIXING HEIGHT.........700-1700 FT AGL.
* TRANSPORT WINDS.......NORTHEAST 5 TO 10 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
FRIDAY NIGHT
CLEAR. LOWS 57 TO 67. NORTH WINDS AROUND 3 MPH IN
THE EVENING BECOMING LIGHT.
SATURDAY...WARMER, SUNNY. HIGHS 87 TO 97 VALLEYS
82 TO 92 RIDGES.
NORTHEAST WINDS 3 TO 5 MPH.
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 VALLEYS
77 TO 87 RIDGES.
LIGHT WINDS BECOMING WEST AROUND 3 MPH IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS 55 TO 65. LIGHT WINDS.
MONDAY...SUNNY. HIGHS 80 TO 90 VALLEYS
75 TO 85 RIDGES. LIGHT
WINDS.
TUESDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS 79 TO
89 VALLEYS...74 TO 84 RIDGES.
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.
WAZ652-212345-
WEST PORTION OF THE OLYMPIC MOUNTAINS-
749 AM PDT THU AUG 21 2025
TODAY
* SKY/WEATHER...........SUNNY.
* MAX TEMPERATURE.......69-79...EXCEPT 64-74 RIDGES.
* MIN HUMIDITY..........44-59 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..UPSLOPE/UPVALLEY AROUND 3 MPH.
* RIDGES/UPR SLOPES...NORTHEAST WINDS AROUND 3 MPH SHIFTING TO THE
WEST IN THE AFTERNOON.
* MIXING HEIGHT.........800-1800 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.
TONIGHT
* SKY/WEATHER...........MOSTLY CLEAR.
* MIN TEMPERATURE.......51-61.
* MAX HUMIDITY..........52-67 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..DOWNSLOPE/DOWNVALLEY 2 TO 5 MPH.
* RIDGES/UPR SLOPES...NORTHEAST WINDS 3 TO 6 MPH.
* MIXING HEIGHT.........300-800 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.......78-88...EXCEPT 72-82 RIDGES.
* MIN HUMIDITY..........29-44 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..UPSLOPE/UPVALLEY 3 TO 4 MPH.
* RIDGES/UPR SLOPES...NORTHEAST WINDS AROUND 4 MPH SHIFTING TO THE
WEST AROUND 3 MPH IN THE AFTERNOON.
* MIXING HEIGHT.........300 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........15000 FEET.
FRIDAY NIGHT
CLEAR. FREEZING LEVEL 15500 FEET. LOWS IN THE MID
60S. NORTHEAST WINDS 3 TO 6 MPH.
SATURDAY
WARMER, SUNNY. FREEZING LEVEL 15500 FEET. HIGHS 79 TO
89. EAST WINDS AROUND 5 MPH SHIFTING TO THE WEST AROUND 3 MPH IN THE
AFTERNOON.
SATURDAY NIGHT
MOSTLY CLEAR. FREEZING LEVEL 15000 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
UPPER 60S. LIGHT WINDS.
MONDAY
SUNNY. FREEZING LEVEL 14500 FEET. HIGHS 75 TO 85.
SOUTHWEST WINDS AROUND 3 MPH.
TUESDAY
MOSTLY CLEAR. FREEZING LEVEL 14500 FEET. LOWS IN THE
LOWER 60S. HIGHS 73 TO 83.
WEDNESDAY
MOSTLY CLEAR. FREEZING LEVEL 15000 FEET. LOWS IN THE
LOWER 60S. HIGHS 69 TO 79.
.8 TO 14 DAY OUTLOOK FOR AUG 28 - SEP 03, 2025
ABOVE NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.
WAZ661-212345-
EAST PORTION OF THE OLYMPIC MOUNTAINS-
749 AM PDT THU AUG 21 2025
TODAY
* SKY/WEATHER...........SUNNY.
* MAX TEMPERATURE.......68-78...EXCEPT 63-73 RIDGES.
* MIN HUMIDITY..........43-58 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.
TONIGHT
* SKY/WEATHER...........MOSTLY CLEAR.
* MIN TEMPERATURE.......52-62...EXCEPT 49-59 RIDGES.
* MAX HUMIDITY..........49-64 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..DOWNSLOPE/DOWNVALLEY 3 TO 5 MPH.
* RIDGES/UPR SLOPES...NORTHEAST WINDS 3 TO 6 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.........800-1800 FT AGL.
* 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 58 TO 68.
NORTH WINDS 4 TO 7 MPH.
SATURDAY
SUNNY. FREEZING LEVEL 15500 FEET. HIGHS 81 TO
91 VALLEYS...74 TO 84 RIDGES. NORTHEAST WINDS 3 TO 6 MPH.
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 79 TO 89 VALLEYS
71 TO 81 RIDGES. WEST WINDS 3 TO 6 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. FREEZING LEVEL 15000 FEET. LOWS 60 TO
70. WEST WINDS AROUND 3 MPH.
MONDAY...SUNNY. FREEZING LEVEL 14500 FEET. HIGHS 77 TO 87 VALLEYS
70 TO 80 RIDGES. SOUTHWEST WINDS AROUND 3 MPH.
TUESDAY
MOSTLY CLEAR. FREEZING LEVEL 14500 FEET. LOWS 56 TO 66.
HIGHS 76 TO 86 VALLEYS...69 TO 79 RIDGES.
WEDNESDAY
MOSTLY CLEAR. FREEZING LEVEL 15000 FEET. LOWS 55 TO 65.
HIGHS 73 TO 83 VALLEYS...66 TO 76 RIDGES.
.8 TO 14 DAY OUTLOOK FOR AUG 28 - SEP 03, 2025
ABOVE NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.
WAZ653-212345-
STRAIT OF JUAN DE FUCA AND NORTHWEST INTERIOR LOWLANDS-
749 AM PDT THU AUG 21 2025
..HEAT ADVISORY IN EFFECT FROM 11 AM FRIDAY TO 5 AM PDT TUESDAY
TODAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......66-76.
* MIN HUMIDITY..........50-65 PERCENT.
* 20-FOOT WINDS.........NORTHWEST WINDS 4 TO 7 MPH.
* MIXING HEIGHT.........600-1100 FT AGL.
* TRANSPORT WINDS.......NORTH 5 TO 10 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
TONIGHT
* SKY/WEATHER...........PARTLY CLOUDY.
* MIN TEMPERATURE.......52-62.
* 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.......73-83.
* MIN HUMIDITY..........42-57 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.
FRIDAY NIGHT
CLEAR. LOWS 57 TO 67. NORTHWEST WINDS 4 TO 7 MPH.
SATURDAY
WARMER, SUNNY. HIGHS 79 TO 89. NORTH WINDS 4 TO 7 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS 58 TO 68. NORTHWEST WINDS 3 TO
5 MPH.
SUNDAY
SUNNY. HIGHS 77 TO 87. NORTHWEST WINDS 3 TO 6 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS 57 TO 67. LIGHT WINDS.
MONDAY
SUNNY. HIGHS 76 TO 86. LIGHT WINDS.
TUESDAY
MOSTLY CLEAR. LOWS AROUND 60. HIGHS 75 TO 85.
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS 74 TO 84.
.8 TO 14 DAY OUTLOOK FOR AUG 28 - SEP 03, 2025
ABOVE NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.
WAZ654-212345-
CENTRAL AND SOUTH PUGET SOUND LOWLANDS-
749 AM PDT THU AUG 21 2025
..HEAT ADVISORY IN EFFECT FROM 11 AM FRIDAY TO 5 AM PDT TUESDAY
TODAY
* SKY/WEATHER...........SUNNY.
* MAX TEMPERATURE.......70-80.
* MIN HUMIDITY..........39-54 PERCENT.
* 20-FOOT WINDS.........NORTHEAST WINDS 4 TO 8 MPH.
* MIXING HEIGHT.........1200-2200 FT AGL.
* TRANSPORT WINDS.......NORTH AROUND 10 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
TONIGHT
* SKY/WEATHER...........MOSTLY CLEAR.
* MIN TEMPERATURE.......51-61.
* MAX HUMIDITY..........56-71 PERCENT.
* 20-FOOT WINDS.........NORTH WINDS 5 TO 8 MPH.
* MIXING HEIGHT.........500-1200 FT AGL.
* TRANSPORT WINDS.......NORTH AROUND 10 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
FRIDAY
* SKY/WEATHER...........SUNNY.
* MAX TEMPERATURE.......78-88.
* MIN HUMIDITY..........28-43 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
CLEAR. LOWS IN THE LOWER 60S. NORTH WINDS 5 TO
8 MPH.
SATURDAY
WARMER, SUNNY. HIGHS 86 TO 96. NORTH WINDS 4 TO 7 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. NORTH WINDS
4 TO 7 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS 84 TO 94. LIGHT WINDS BECOMING NORTH
AROUND 5 MPH IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. NORTHWEST WINDS
AROUND 3 MPH.
MONDAY
SUNNY. HIGHS 83 TO 93. WEST WINDS AROUND 3 MPH.
TUESDAY
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS 82 TO 92.
WEDNESDAY
MOSTLY CLEAR. LOWS 56 TO 66. HIGHS IN THE MID 80S.
.8 TO 14 DAY OUTLOOK FOR AUG 28 - SEP 03, 2025
ABOVE NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.
WAZ655-212345-
BLACK HILLS AND SOUTHWEST INTERIOR LOWLANDS-
749 AM PDT THU AUG 21 2025
..HEAT ADVISORY IN EFFECT FROM 11 AM FRIDAY TO 5 AM PDT TUESDAY
TODAY
* SKY/WEATHER...........SUNNY.
* MAX TEMPERATURE.......75-85.
* MIN HUMIDITY..........35-50 PERCENT.
* 20-FOOT WINDS.........NORTHEAST WINDS 3 TO 6 MPH.
* MIXING HEIGHT.........900 FT AGL INCREASING TO 3000 FT AGL IN THE
AFTERNOON.
* TRANSPORT WINDS.......NORTHEAST AROUND 10 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
TONIGHT
* SKY/WEATHER...........CLEAR.
* MIN TEMPERATURE.......51-61.
* MAX HUMIDITY..........59-74 PERCENT.
* 20-FOOT WINDS.........NORTHEAST WINDS 3 TO 6 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..........18-33 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 57 TO 67. NORTHEAST WINDS 3 TO 6 MPH.
SATURDAY
SUNNY. HIGHS IN THE MID 90S. NORTHEAST WINDS 3 TO 6 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS 58 TO 68. 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
MOSTLY CLEAR. LOWS 57 TO 67. LIGHT WINDS.
MONDAY
SUNNY. HIGHS 87 TO 97. LIGHT WINDS.
TUESDAY
MOSTLY CLEAR. LOWS 56 TO 66. HIGHS AROUND 90.
WEDNESDAY
PARTLY CLOUDY. LOWS 56 TO 66. HIGHS 81 TO 91.
.8 TO 14 DAY OUTLOOK FOR AUG 28 - SEP 03, 2025
ABOVE NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.
WAZ656-212345-
NORTHEAST PUGET SOUND LOWLANDS GENERALLY BELOW 1500 FEET-
749 AM PDT THU AUG 21 2025
..HEAT ADVISORY IN EFFECT FROM 11 AM FRIDAY TO 5 AM PDT TUESDAY
TODAY
* SKY/WEATHER...........SUNNY.
* MAX TEMPERATURE.......71-81.
* MIN HUMIDITY..........38-53 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.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
TONIGHT
* SKY/WEATHER...........MOSTLY CLEAR.
* MIN TEMPERATURE.......54-64.
* MAX HUMIDITY..........62-77 PERCENT.
* 20-FOOT WINDS.........NORTHWEST WINDS AROUND 3 MPH SHIFTING TO
THE NORTHEAST 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..........23-38 PERCENT.
* 20-FOOT WINDS.........NORTHEAST WINDS AROUND 3 MPH SHIFTING TO
THE NORTHWEST AROUND 4 MPH IN THE AFTERNOON.
* MIXING HEIGHT.........1400-2400 FT AGL.
* TRANSPORT WINDS.......NORTHEAST AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
FRIDAY NIGHT
CLEAR. LOWS 58 TO 68. NORTHWEST WINDS AROUND 4 MPH
SHIFTING TO THE NORTHEAST AROUND 5 MPH AFTER MIDNIGHT.
SATURDAY
WARMER, SUNNY. HIGHS 88 TO 98. NORTHEAST WINDS AROUND
5 MPH SHIFTING TO THE NORTHWEST AROUND 4 MPH IN THE AFTERNOON.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS 59 TO 69. NORTHWEST WINDS
AROUND 3 MPH SHIFTING TO THE EAST AFTER MIDNIGHT.
SUNDAY
MOSTLY SUNNY. HIGHS 86 TO 96. EAST WINDS AROUND 3 MPH
SHIFTING TO THE WEST AROUND 4 MPH IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS 59 TO 69. NORTH WINDS AROUND
3 MPH.
MONDAY
SUNNY. HIGHS 84 TO 94. LIGHT WINDS.
TUESDAY
MOSTLY CLEAR. LOWS 58 TO 68. HIGHS 83 TO 93.
WEDNESDAY
MOSTLY CLEAR. LOWS 57 TO 67. HIGHS 80 TO 90.
.8 TO 14 DAY OUTLOOK FOR AUG 28 - SEP 03, 2025
ABOVE NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.
WAZ657-212345-
SOUTHEAST PUGET SOUND LOWLANDS GENERALLY BELOW 1500 FEET-
749 AM PDT THU AUG 21 2025
..HEAT ADVISORY IN EFFECT FROM 11 AM FRIDAY TO 5 AM PDT TUESDAY
TODAY
* SKY/WEATHER...........SUNNY.
* MAX TEMPERATURE.......73-83.
* MIN HUMIDITY..........39-54 PERCENT.
* 20-FOOT WINDS.........LIGHT WINDS BECOMING NORTH AROUND 5 MPH IN
THE AFTERNOON.
* MIXING HEIGHT.........1300-2300 FT AGL.
* TRANSPORT WINDS.......NORTH 5 TO 10 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
TONIGHT
* SKY/WEATHER...........MOSTLY CLEAR.
* MIN TEMPERATURE.......52-62.
* MAX HUMIDITY..........66-81 PERCENT.
* 20-FOOT WINDS.........NORTH WINDS AROUND 4 MPH IN THE EVENING
BECOMING LIGHT.
* 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..........23-38 PERCENT.
* 20-FOOT WINDS.........LIGHT WINDS BECOMING 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.
FRIDAY NIGHT
CLEAR. LOWS 57 TO 67. NORTHEAST WINDS 3 TO 5 MPH.
SATURDAY
SUNNY. HIGHS IN THE LOWER 90S. EAST WINDS AROUND 3 MPH
SHIFTING TO THE NORTH AROUND 4 MPH IN THE AFTERNOON.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. NORTH WINDS
AROUND 3 MPH IN THE EVENING BECOMING LIGHT.
SUNDAY
MOSTLY SUNNY. HIGHS AROUND 90. LIGHT WINDS BECOMING
NORTHWEST AROUND 3 MPH IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. LIGHT WINDS.
MONDAY
SUNNY. HIGHS IN THE UPPER 80S. LIGHT WINDS.
TUESDAY
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE UPPER
80S.
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE MID
80S.
.8 TO 14 DAY OUTLOOK FOR AUG 28 - SEP 03, 2025
ABOVE NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.
WAZ658-212345-
WEST SLOPES OF THE NORTH CASCADES GENERALLY ABOVE 1500 FEET-
749 AM PDT THU AUG 21 2025
TODAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......72-82...EXCEPT 66-76 RIDGES.
* MIN HUMIDITY..........35-50 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..UPSLOPE/UPVALLEY AROUND 3 MPH.
* RIDGES/UPR SLOPES...NORTHEAST WINDS AROUND 4 MPH SHIFTING TO THE
WEST AROUND 3 MPH IN THE AFTERNOON.
* MIXING HEIGHT.........700 FT AGL INCREASING TO 2800 FT AGL IN THE
AFTERNOON.
* 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........13500 FEET.
TONIGHT
* SKY/WEATHER...........PARTLY CLOUDY.
* MIN TEMPERATURE.......52-62...EXCEPT 49-59 RIDGES.
* MAX HUMIDITY..........53-68 PERCENT...EXCEPT 46-61 PERCENT
RIDGES.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..DOWNSLOPE/DOWNVALLEY 3 TO 5 MPH.
* RIDGES/UPR SLOPES...NORTH WINDS AROUND 3 MPH SHIFTING TO THE EAST
AFTER MIDNIGHT.
* MIXING HEIGHT.........500-1100 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.......81-91...EXCEPT 73-83 RIDGES.
* MIN HUMIDITY..........22-37 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..UPSLOPE/UPVALLEY 3 TO 5 MPH.
* RIDGES/UPR SLOPES...EAST WINDS 3 TO 7 MPH.
* MIXING HEIGHT.........600 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........14500 FEET.
FRIDAY NIGHT
CLEAR. FREEZING LEVEL 15500 FEET. LOWS 56 TO 66.
NORTHEAST WINDS 5 TO 9 MPH.
SATURDAY
SUNNY. FREEZING LEVEL 15000 FEET. HIGHS 85 TO
95 VALLEYS...77 TO 87 RIDGES. EAST WINDS AROUND 7 MPH SHIFTING TO
THE SOUTH AROUND 3 MPH IN THE AFTERNOON.
SATURDAY NIGHT
PARTLY CLOUDY. FREEZING LEVEL 15500 FEET. LOWS
58 TO 68. NORTHWEST WINDS AROUND 3 MPH SHIFTING TO THE EAST AROUND
7 MPH AFTER MIDNIGHT.
SUNDAY
MOSTLY SUNNY. FREEZING LEVEL 15000 FEET. HIGHS 83 TO
93 VALLEYS...76 TO 86 RIDGES. EAST WINDS AROUND 6 MPH SHIFTING TO
THE WEST AROUND 4 MPH IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLEAR. FREEZING LEVEL 14500 FEET. LOWS 58 TO
68. SOUTHWEST WINDS AROUND 3 MPH.
MONDAY...SUNNY. FREEZING LEVEL 14500 FEET. HIGHS 81 TO 91 VALLEYS
75 TO 85 RIDGES. SOUTHWEST WINDS AROUND 3 MPH.
TUESDAY
MOSTLY CLEAR. FREEZING LEVEL 14500 FEET. LOWS 56 TO 66.
HIGHS 80 TO 90 VALLEYS...74 TO 84 RIDGES.
WEDNESDAY
MOSTLY CLEAR. FREEZING LEVEL 14500 FEET. LOWS 56 TO 66.
HIGHS 77 TO 87 VALLEYS...70 TO 80 RIDGES.
.8 TO 14 DAY OUTLOOK FOR AUG 28 - SEP 03, 2025
ABOVE NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.
WAZ659-212345-
WEST SLOPES OF THE CENTRAL CASCADES GENERALLY ABOVE 1500 FEET-
749 AM PDT THU AUG 21 2025
TODAY
* SKY/WEATHER...........SUNNY.
* MAX TEMPERATURE.......74-84...EXCEPT 66-76 RIDGES.
* MIN HUMIDITY..........34-49 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..UPSLOPE/UPVALLEY 2 TO 3 MPH.
* RIDGES/UPR SLOPES...EAST WINDS AROUND 3 MPH SHIFTING TO THE
NORTHWEST IN THE AFTERNOON.
* MIXING HEIGHT.........700 FT AGL INCREASING TO 2700 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.
TONIGHT
* SKY/WEATHER...........MOSTLY CLEAR.
* MIN TEMPERATURE.......50-60.
* MAX HUMIDITY..........53-68 PERCENT...EXCEPT 46-61 PERCENT
RIDGES.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..DOWNSLOPE/DOWNVALLEY 3 TO 5 MPH.
* RIDGES/UPR SLOPES...NORTHEAST WINDS AROUND 3 MPH SHIFTING TO THE
EAST AROUND 7 MPH AFTER MIDNIGHT.
* MIXING HEIGHT.........500-1100 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.......83-93...EXCEPT 74-84 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.........600 FT AGL INCREASING TO 3500 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 58 TO 68.
EAST WINDS 4 TO 8 MPH.
SATURDAY
WARMER, SUNNY. FREEZING LEVEL 15500 FEET. HIGHS 87 TO
97 VALLEYS...79 TO 89 RIDGES. EAST WINDS 3 TO 7 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. FREEZING LEVEL 15500 FEET. LOWS
60 TO 70. NORTHEAST WINDS AROUND 3 MPH SHIFTING TO THE EAST AROUND
5 MPH AFTER MIDNIGHT.
SUNDAY
MOSTLY SUNNY. FREEZING LEVEL 15000 FEET. HIGHS 84 TO
94 VALLEYS...78 TO 88 RIDGES. SOUTHEAST WINDS AROUND 4 MPH SHIFTING
TO THE WEST IN THE AFTERNOON.
SUNDAY NIGHT
PARTLY CLOUDY. FREEZING LEVEL 15000 FEET. LOWS 59 TO
69. NORTH WINDS AROUND 3 MPH.
MONDAY...SUNNY. FREEZING LEVEL 14500 FEET. HIGHS 83 TO 93 VALLEYS
76 TO 86 RIDGES. LIGHT WINDS.
TUESDAY
MOSTLY CLEAR. FREEZING LEVEL 14500 FEET. LOWS 57 TO 67.
HIGHS 81 TO 91 VALLEYS...74 TO 84 RIDGES.
WEDNESDAY
PARTLY CLOUDY. FREEZING LEVEL 14500 FEET. LOWS 56 TO
66. HIGHS 77 TO 87 VALLEYS...70 TO 80 RIDGES.
.8 TO 14 DAY OUTLOOK FOR AUG 28 - SEP 03, 2025
ABOVE NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.
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