442
FNUS56 KSEW 052200
FWFSEW
FIRE WEATHER PLANNING FORECAST FOR WESTERN WASHINGTON
NATIONAL WEATHER SERVICE SEATTLE WA
300 PM PDT SAT SEP 5 2026
DISCUSSION
BROAD LOW PRESSURE OVER THE PACIFIC NORTHWEST WILL
KEEP CHANCES FOR SHOWERS AND ISOLATED THUNDERSTORMS IN THE FORECAST
THROUGH SUNDAY. WETTING RAINS AND INCREASED FUEL MOISTURE WILL KEEP
FIRE WEATHER CONCERNS MINIMAL. DRIER AND WARMER CONDITIONS EXPECTED
FOR THE BEGINNING OF NEXT WEEK. A WEAK SYSTEM WILL BRUSH THE AREA
THURSDAY FOR ADDITIONAL CHANCES OF RAIN FOR THE END OF THE WEEK.
FORECAST FOR 20 FOOT WIND SPEED (VALLEYS AND RIDGE TOPS) ARE 10
MINUTE AVERAGES REFLECTING RAWS WINDS.
WAZ649-061200-
NORTH AND CENTRAL COASTAL STRIP-
300 PM PDT SAT SEP 5 2026
TONIGHT
* SKY/WEATHER...........PARTLY CLOUDY.
* MIN TEMPERATURE.......47-57.
* MAX HUMIDITY..........90-100 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..NORTHWEST WINDS AROUND 3 MPH IN THE EVENING
BECOMING LIGHT.
* RIDGES/UPR SLOPES...NORTHWEST WINDS AROUND 3 MPH IN THE EVENING
BECOMING LIGHT.
* MIXING HEIGHT.........400-700 FT AGL.
* TRANSPORT WINDS.......NORTH AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...5 PERCENT.
SUNDAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......61-71.
* MIN HUMIDITY..........70-85 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..LIGHT WINDS BECOMING NORTHWEST AROUND 6 MPH
IN THE AFTERNOON.
* RIDGES/UPR SLOPES...LIGHT WINDS BECOMING NORTHWEST AROUND 5 MPH
IN THE AFTERNOON.
* MIXING HEIGHT.........500-1200 FT AGL.
* TRANSPORT WINDS.......NORTHWEST 5 TO 10 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...2 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER...........MOSTLY CLOUDY.
* MIN TEMPERATURE.......51-61.
* MAX HUMIDITY..........88-100 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..NORTHWEST WINDS 4 TO 7 MPH.
* RIDGES/UPR SLOPES...NORTHWEST WINDS 4 TO 7 MPH.
* MIXING HEIGHT.........500-900 FT AGL.
* TRANSPORT WINDS.......NORTHWEST 5 TO 10 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...1 PERCENT.
LABOR DAY
* SKY/WEATHER...........MOSTLY CLOUDY.
* MAX TEMPERATURE.......57-67.
* MIN HUMIDITY..........77-92 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..SOUTHWEST WINDS 3 TO 6 MPH.
* RIDGES/UPR SLOPES...SOUTHWEST WINDS 3 TO 6 MPH.
* MIXING HEIGHT.........800-1800 FT AGL.
* TRANSPORT WINDS.......WEST 5 TO 10 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...3 PERCENT.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 50S. WEST WINDS
AROUND 3 MPH IN THE EVENING BECOMING LIGHT.
TUESDAY
WARMER. MOSTLY SUNNY. HIGHS 64 TO 74. LIGHT WINDS
BECOMING NORTHWEST AROUND 4 MPH IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. NORTH WINDS
AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS 68 TO 78. NORTH WINDS AROUND 3 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. NORTHWEST
WINDS AROUND 5 MPH.
THURSDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHWEST WINDS
AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN. LOWS IN THE MID 50S.
HIGHS IN THE MID 60S.
SATURDAY
MOSTLY CLOUDY. CHANCE OF RAIN. LOWS IN THE MID 50S.
HIGHS IN THE UPPER 60S.
.8 TO 14 DAY OUTLOOK FOR SEP 12 - 18 2026
BELOW NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.
WAZ650-061200-
NORTH COASTAL LOWLANDS-
300 PM PDT SAT SEP 5 2026
TONIGHT
* SKY/WEATHER...........PARTLY CLOUDY.
* MIN TEMPERATURE.......44-54.
* MAX HUMIDITY..........82-97 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..NORTH WINDS UP TO 3 MPH.
* RIDGES/UPR SLOPES...NORTH WINDS UP TO 3 MPH.
* MIXING HEIGHT.........300-900 FT AGL.
* TRANSPORT WINDS.......NORTH AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...6 PERCENT.
SUNDAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......63-73.
* MIN HUMIDITY..........58-73 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..LIGHT WINDS BECOMING WEST AROUND 4 MPH IN THE
AFTERNOON.
* RIDGES/UPR SLOPES...LIGHT WINDS BECOMING NORTHWEST AROUND 4 MPH
IN THE AFTERNOON.
* MIXING HEIGHT.........900-1900 FT AGL.
* TRANSPORT WINDS.......NORTHEAST AROUND 5 MPH SHIFTING TO THE
NORTHWEST IN THE AFTERNOON.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...2 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER...........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* MIN TEMPERATURE.......46-56.
* MAX HUMIDITY..........81-96 PERCENT...EXCEPT 89-100 PERCENT
RIDGES.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..NORTHWEST WINDS AROUND 3 MPH IN THE EVENING
BECOMING LIGHT.
* RIDGES/UPR SLOPES...WEST WINDS 3 TO 5 MPH.
* MIXING HEIGHT.........400-1000 FT AGL.
* TRANSPORT WINDS.......NORTHWEST 5 TO 10 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...2 PERCENT.
LABOR DAY
* SKY/WEATHER...........PARTLY SUNNY. SLIGHT CHANCE OF RAIN IN THE
MORNING.
* MAX TEMPERATURE.......56-66.
* MIN HUMIDITY..........74-89 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..LIGHT WINDS BECOMING SOUTHWEST AROUND 4 MPH
IN THE AFTERNOON.
* RIDGES/UPR SLOPES...SOUTHWEST WINDS 3 TO 5 MPH.
* MIXING HEIGHT.........800-1800 FT AGL.
* TRANSPORT WINDS.......WEST 5 TO 10 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...4 PERCENT.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. LIGHT WINDS.
TUESDAY
WARMER. MOSTLY SUNNY. HIGHS 67 TO 77. LIGHT WINDS
BECOMING NORTHWEST AROUND 3 MPH IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 50S. NORTH WINDS
AROUND 3 MPH.
WEDNESDAY
SUNNY. HIGHS 72 TO 82. LIGHT WINDS.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. LIGHT WINDS.
THURSDAY
MOSTLY SUNNY. HIGHS 66 TO 76. WEST WINDS AROUND 3 MPH.
FRIDAY
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN. LOWS IN THE MID 50S.
HIGHS IN THE UPPER 60S.
SATURDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN. LOWS IN THE LOWER
50S. HIGHS 63 TO 73.
.8 TO 14 DAY OUTLOOK FOR SEP 12 - 18 2026
BELOW NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.
WAZ651-061200-
CENTRAL COASTAL LOWLANDS-
300 PM PDT SAT SEP 5 2026
TONIGHT
* SKY/WEATHER...........PARTLY CLOUDY. SLIGHT CHANCE OF RAIN IN THE
EVENING.
* MIN TEMPERATURE.......43-53.
* MAX HUMIDITY..........88-100 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..NORTH WINDS UP TO 3 MPH.
* RIDGES/UPR SLOPES...LIGHT WINDS BECOMING NORTHEAST AROUND 3 MPH
AFTER MIDNIGHT.
* MIXING HEIGHT.........300-1000 FT AGL.
* TRANSPORT WINDS.......NORTH AROUND 5 MPH.
* CWR (>0.25)...........5 PERCENT.
* CHANCE OF LIGHTNING...10 PERCENT.
SUNDAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......63-73.
* MIN HUMIDITY..........57-72 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..LIGHT WINDS BECOMING WEST AROUND 4 MPH IN THE
AFTERNOON.
* RIDGES/UPR SLOPES...LIGHT WINDS BECOMING WEST AROUND 3 MPH IN THE
AFTERNOON.
* MIXING HEIGHT.........500 FT AGL INCREASING TO 2700 FT AGL IN THE
AFTERNOON.
* TRANSPORT WINDS.......SOUTHEAST AROUND 5 MPH SHIFTING TO THE WEST
IN THE AFTERNOON.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...2 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER...........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* MIN TEMPERATURE.......45-55.
* MAX HUMIDITY..........89-100 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..WEST WINDS 4 TO 7 MPH.
* RIDGES/UPR SLOPES...WEST WINDS 4 TO 7 MPH.
* MIXING HEIGHT.........500-1200 FT AGL.
* TRANSPORT WINDS.......WEST AROUND 10 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...2 PERCENT.
LABOR DAY
* SKY/WEATHER...........PARTLY SUNNY.
* MAX TEMPERATURE.......57-67.
* MIN HUMIDITY..........74-89 PERCENT...EXCEPT 87-92 PERCENT
RIDGES.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..WEST WINDS 3 TO 6 MPH.
* RIDGES/UPR SLOPES...WEST WINDS 3 TO 6 MPH.
* MIXING HEIGHT.........1100-2100 FT AGL.
* TRANSPORT WINDS.......WEST AROUND 10 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...4 PERCENT.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. WEST WINDS
AROUND 4 MPH IN THE EVENING BECOMING LIGHT.
TUESDAY...WARMER. MOSTLY SUNNY. HIGHS 70 TO 80 VALLEYS
IN THE
UPPER 60S RIDGES. NORTH WINDS UP TO 3 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 50S. LIGHT WINDS.
WEDNESDAY...WARMER, SUNNY. HIGHS 76 TO 86 VALLEYS
70 TO
80 RIDGES. NORTHEAST WINDS AROUND 3 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. NORTHWEST
WINDS AROUND 3 MPH.
THURSDAY...MOSTLY SUNNY. HIGHS 69 TO 79 VALLEYS
IN THE UPPER 60S
RIDGES. WEST WINDS AROUND 4 MPH.
FRIDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN. LOWS IN THE MID 50S.
HIGHS IN THE UPPER 60S VALLEYS...IN THE LOWER 60S RIDGES.
SATURDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN. LOWS IN THE LOWER
50S. HIGHS IN THE UPPER 60S VALLEYS...IN THE LOWER 60S RIDGES.
.8 TO 14 DAY OUTLOOK FOR SEP 12 - 18 2026
BELOW NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.
WAZ652-061200-
WEST PORTION OF THE OLYMPIC MOUNTAINS-
300 PM PDT SAT SEP 5 2026
TONIGHT
* SKY/WEATHER...........PARTLY CLOUDY. SLIGHT CHANCE OF RAIN IN THE
EVENING.
* MIN TEMPERATURE.......42-52...EXCEPT 39-49 RIDGES.
* MAX HUMIDITY..........80-95 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..DOWNSLOPE/DOWNVALLEY 1 TO 4 MPH.
* 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)...........5 PERCENT.
* CHANCE OF LIGHTNING...10 PERCENT.
* FREEZING LEVEL........8500 FEET.
SUNDAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......61-71...EXCEPT 57-67 RIDGES.
* MIN HUMIDITY..........54-69 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..UPSLOPE/UPVALLEY 3 TO 4 MPH.
* RIDGES/UPR SLOPES...NORTHEAST WINDS AROUND 3 MPH SHIFTING TO THE
WEST AROUND 4 MPH IN THE AFTERNOON.
* MIXING HEIGHT.........600 FT AGL INCREASING TO 3500 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...5 PERCENT.
* FREEZING LEVEL........9000 FEET.
SUNDAY NIGHT
* SKY/WEATHER...........PARTLY CLOUDY.
* MIN TEMPERATURE.......40-50.
* MAX HUMIDITY..........79-94 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..DOWNSLOPE/DOWNVALLEY AROUND 3 MPH.
* RIDGES/UPR SLOPES...NORTH WINDS 3 TO 5 MPH.
* MIXING HEIGHT.........300-1200 FT AGL.
* TRANSPORT WINDS.......NORTHWEST AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...2 PERCENT.
* FREEZING LEVEL........10000 FEET.
LABOR DAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......55-65...EXCEPT 51-61 RIDGES.
* MIN HUMIDITY..........69-84 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..UPSLOPE/UPVALLEY 2 TO 4 MPH.
* RIDGES/UPR SLOPES...WEST WINDS 3 TO 6 MPH.
* MIXING HEIGHT.........900-1900 FT AGL.
* TRANSPORT WINDS.......WEST 5 TO 10 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...4 PERCENT.
* FREEZING LEVEL........10000 FEET.
MONDAY NIGHT
PARTLY CLOUDY. FREEZING LEVEL 11500 FEET. LOWS 42 TO
52. WEST WINDS AROUND 3 MPH IN THE EVENING BECOMING LIGHT.
TUESDAY
WARMER, SUNNY. FREEZING LEVEL 12000 FEET. HIGHS 63 TO
73 VALLEYS...58 TO 68 RIDGES. NORTHEAST WINDS AROUND 3 MPH SHIFTING
TO THE WEST IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLEAR. FREEZING LEVEL 12500 FEET. LOWS IN
THE LOWER 50S. NORTH WINDS AROUND 3 MPH.
WEDNESDAY
WARMER, SUNNY. FREEZING LEVEL 14000 FEET. HIGHS 68 TO
78. NORTHWEST WINDS AROUND 3 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. FREEZING LEVEL 15000 FEET. LOWS IN
THE MID 50S. NORTH WINDS AROUND 3 MPH.
THURSDAY
MOSTLY SUNNY. FREEZING LEVEL 13000 FEET. HIGHS 62 TO 72.
NORTHWEST WINDS AROUND 4 MPH.
FRIDAY
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN. FREEZING LEVEL
10000 FEET. LOWS IN THE LOWER 50S. HIGHS 56 TO 66.
SATURDAY
PARTLY CLOUDY. CHANCE OF RAIN. FREEZING LEVEL
12000 FEET. LOWS AROUND 50. HIGHS 58 TO 68 VALLEYS...53 TO
63 RIDGES.
.8 TO 14 DAY OUTLOOK FOR SEP 12 - 18 2026
BELOW NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.
WAZ661-061200-
EAST PORTION OF THE OLYMPIC MOUNTAINS-
300 PM PDT SAT SEP 5 2026
TONIGHT
* SKY/WEATHER...........PARTLY CLOUDY. SLIGHT CHANCE OF RAIN IN THE
EVENING.
* MIN TEMPERATURE.......42-52...EXCEPT 38-48 RIDGES.
* MAX HUMIDITY..........78-93 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..DOWNSLOPE/DOWNVALLEY 2 TO 3 MPH.
* RIDGES/UPR SLOPES...LIGHT WINDS BECOMING NORTH AROUND 5 MPH AFTER
MIDNIGHT.
* MIXING HEIGHT.........400-1200 FT AGL.
* TRANSPORT WINDS.......NORTHEAST AROUND 5 MPH.
* CWR (>0.25)...........5 PERCENT.
* CHANCE OF LIGHTNING...12 PERCENT.
* FREEZING LEVEL........8500 FEET.
SUNDAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......62-72...EXCEPT 55-65 RIDGES.
* MIN HUMIDITY..........54-69 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..UPSLOPE/UPVALLEY 2 TO 3 MPH.
* RIDGES/UPR SLOPES...NORTH WINDS 3 TO 5 MPH.
* MIXING HEIGHT.........700 FT AGL INCREASING TO 3300 FT AGL IN THE
AFTERNOON.
* TRANSPORT WINDS.......NORTH AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...6 PERCENT.
* FREEZING LEVEL........9000 FEET.
SUNDAY NIGHT
* SKY/WEATHER...........PARTLY CLOUDY.
* MIN TEMPERATURE.......43-53...EXCEPT 39-49 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...WEST WINDS 3 TO 6 MPH.
* MIXING HEIGHT.........400-1100 FT AGL.
* TRANSPORT WINDS.......WEST AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...2 PERCENT.
* FREEZING LEVEL........10000 FEET.
LABOR DAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......57-67...EXCEPT 51-61 RIDGES.
* MIN HUMIDITY..........67-82 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..UPSLOPE/UPVALLEY 3 TO 5 MPH.
* RIDGES/UPR SLOPES...WEST WINDS 3 TO 6 MPH.
* MIXING HEIGHT.........400 FT AGL INCREASING TO 2400 FT AGL IN THE
AFTERNOON.
* TRANSPORT WINDS.......WEST 5 TO 10 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...6 PERCENT.
* FREEZING LEVEL........9500 FEET.
MONDAY NIGHT
PARTLY CLOUDY. FREEZING LEVEL 11000 FEET. LOWS
AROUND 50 VALLEYS...40 TO 50 RIDGES. NORTHWEST WINDS AROUND 3 MPH IN
THE EVENING BECOMING LIGHT.
TUESDAY
WARMER, SUNNY. FREEZING LEVEL 12000 FEET. HIGHS 63 TO
73 VALLEYS...56 TO 66 RIDGES. NORTH WINDS 3 TO 5 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. FREEZING LEVEL 12500 FEET. LOWS 46 TO
56. NORTHWEST WINDS AROUND 3 MPH.
WEDNESDAY
WARMER, SUNNY. FREEZING LEVEL 14000 FEET. HIGHS 70 TO
80 VALLEYS...63 TO 73 RIDGES. NORTHWEST WINDS AROUND 3 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. FREEZING LEVEL 14500 FEET. LOWS
49 TO 59. WEST WINDS AROUND 3 MPH.
THURSDAY
MOSTLY SUNNY. FREEZING LEVEL 13000 FEET. HIGHS 65 TO
75 VALLEYS...58 TO 68 RIDGES. WEST WINDS AROUND 3 MPH.
FRIDAY
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN. FREEZING LEVEL
10000 FEET. LOWS 46 TO 56. HIGHS 60 TO 70 VALLEYS...52 TO 62 RIDGES.
SATURDAY
PARTLY CLOUDY. CHANCE OF RAIN. FREEZING LEVEL
12000 FEET. LOWS IN THE LOWER 50S VALLEYS...42 TO 52 RIDGES. HIGHS
60 TO 70 VALLEYS...52 TO 62 RIDGES.
.8 TO 14 DAY OUTLOOK FOR SEP 12 - 18 2026
BELOW NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.
WAZ653-061200-
STRAIT OF JUAN DE FUCA AND NORTHWEST INTERIOR LOWLANDS-
300 PM PDT SAT SEP 5 2026
TONIGHT
* SKY/WEATHER...........PARTLY CLOUDY.
* MIN TEMPERATURE.......46-56.
* MAX HUMIDITY..........80-95 PERCENT.
* 20-FOOT WINDS.........NORTHWEST WINDS 3 TO 4 MPH.
* MIXING HEIGHT.........400-600 FT AGL.
* TRANSPORT WINDS.......NORTHWEST AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...5 PERCENT.
SUNDAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......64-74.
* MIN HUMIDITY..........61-76 PERCENT.
* 20-FOOT WINDS.........LIGHT WINDS BECOMING NORTHWEST AROUND 5 MPH
IN THE AFTERNOON.
* MIXING HEIGHT.........500-1200 FT AGL.
* TRANSPORT WINDS.......NORTHWEST 5 TO 10 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...1 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER...........PARTLY CLOUDY.
* MIN TEMPERATURE.......46-56.
* MAX HUMIDITY..........76-91 PERCENT.
* 20-FOOT WINDS.........WEST WINDS AROUND 5 MPH SHIFTING TO THE
SOUTH AFTER MIDNIGHT.
* MIXING HEIGHT.........400-600 FT AGL.
* TRANSPORT WINDS.......SOUTHWEST 5 TO 10 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...1 PERCENT.
LABOR DAY
* SKY/WEATHER...........MOSTLY SUNNY. SLIGHT CHANCE OF RAIN IN THE
MORNING.
* MAX TEMPERATURE.......62-72.
* MIN HUMIDITY..........66-81 PERCENT.
* 20-FOOT WINDS.........SOUTH WINDS 4 TO 7 MPH.
* MIXING HEIGHT.........600-1600 FT AGL.
* TRANSPORT WINDS.......SOUTH AROUND 10 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...6 PERCENT.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 48 TO 58. SOUTHWEST WINDS 3 TO
5 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS 65 TO 75. LIGHT WINDS BECOMING
NORTHWEST AROUND 5 MPH IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 50S. LIGHT WINDS.
WEDNESDAY
SUNNY. HIGHS 68 TO 78. NORTH WINDS AROUND 4 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. WEST WINDS
AROUND 3 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS 67 TO 77. SOUTHWEST WINDS AROUND
4 MPH.
FRIDAY
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN. LOWS IN THE MID 50S.
HIGHS 64 TO 74.
SATURDAY
MOSTLY CLOUDY. CHANCE OF RAIN. LOWS IN THE LOWER 50S.
HIGHS 65 TO 75.
.8 TO 14 DAY OUTLOOK FOR SEP 12 - 18 2026
BELOW NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.
WAZ654-061200-
CENTRAL AND SOUTH PUGET SOUND LOWLANDS-
300 PM PDT SAT SEP 5 2026
TONIGHT
* SKY/WEATHER...........PARTLY CLOUDY.
* MIN TEMPERATURE.......47-57.
* MAX HUMIDITY..........78-93 PERCENT.
* 20-FOOT WINDS.........NORTH WINDS 3 TO 5 MPH.
* MIXING HEIGHT.........500-1500 FT AGL.
* TRANSPORT WINDS.......NORTH AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...8 PERCENT.
SUNDAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......65-75.
* MIN HUMIDITY..........55-70 PERCENT.
* 20-FOOT WINDS.........LIGHT WINDS BECOMING NORTH AROUND 4 MPH IN
THE AFTERNOON.
* MIXING HEIGHT.........600 FT AGL INCREASING TO 3300 FT AGL IN THE
AFTERNOON.
* TRANSPORT WINDS.......NORTH AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...2 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER...........PARTLY CLOUDY.
* MIN TEMPERATURE.......47-57.
* MAX HUMIDITY..........79-94 PERCENT.
* 20-FOOT WINDS.........NORTHWEST WINDS AROUND 3 MPH SHIFTING TO
THE SOUTHWEST AFTER MIDNIGHT.
* MIXING HEIGHT.........500-1500 FT AGL.
* TRANSPORT WINDS.......NORTHWEST AROUND 5 MPH SHIFTING TO THE
SOUTH AFTER MIDNIGHT.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...2 PERCENT.
LABOR DAY
* SKY/WEATHER...........PARTLY SUNNY.
* MAX TEMPERATURE.......61-71.
* MIN HUMIDITY..........68-83 PERCENT.
* 20-FOOT WINDS.........SOUTH WINDS 4 TO 7 MPH.
* MIXING HEIGHT.........1200-2200 FT AGL.
* TRANSPORT WINDS.......SOUTHWEST 5 TO 10 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...5 PERCENT.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S. SOUTHWEST
WINDS AROUND 4 MPH IN THE EVENING BECOMING LIGHT.
TUESDAY
WARMER. MOSTLY SUNNY. HIGHS 68 TO 78. LIGHT WINDS
BECOMING NORTHEAST AROUND 5 MPH IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. NORTH WINDS
AROUND 6 MPH.
WEDNESDAY
SUNNY. HIGHS 73 TO 83. NORTHEAST WINDS AROUND 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. NORTH WINDS
AROUND 3 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS 70 TO 80. SOUTHWEST WINDS AROUND
4 MPH.
FRIDAY
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN. LOWS IN THE MID 50S.
HIGHS 66 TO 76.
SATURDAY
MOSTLY CLOUDY. CHANCE OF RAIN. LOWS IN THE LOWER 50S.
HIGHS AROUND 70.
.8 TO 14 DAY OUTLOOK FOR SEP 12 - 18 2026
BELOW NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.
WAZ655-061200-
BLACK HILLS AND SOUTHWEST INTERIOR LOWLANDS-
300 PM PDT SAT SEP 5 2026
TONIGHT
* SKY/WEATHER...........PARTLY CLOUDY.
* MIN TEMPERATURE.......43-53.
* MAX HUMIDITY..........85-100 PERCENT.
* 20-FOOT WINDS.........LIGHT WINDS.
* MIXING HEIGHT.........300-1300 FT AGL.
* TRANSPORT WINDS.......NORTHEAST AROUND 5 MPH.
* CWR (>0.25)...........5 PERCENT.
* CHANCE OF LIGHTNING...9 PERCENT.
SUNDAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......65-75.
* MIN HUMIDITY..........51-66 PERCENT.
* 20-FOOT WINDS.........LIGHT WINDS BECOMING NORTHWEST AROUND 3 MPH
IN THE AFTERNOON.
* MIXING HEIGHT.........600 FT AGL INCREASING TO 3700 FT AGL IN THE
AFTERNOON.
* TRANSPORT WINDS.......NORTH AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...2 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER...........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* MIN TEMPERATURE.......46-56.
* MAX HUMIDITY..........87-100 PERCENT.
* 20-FOOT WINDS.........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.
LABOR DAY
* SKY/WEATHER...........PARTLY SUNNY.
* MAX TEMPERATURE.......60-70.
* MIN HUMIDITY..........66-81 PERCENT.
* 20-FOOT WINDS.........SOUTHWEST WINDS 4 TO 7 MPH.
* MIXING HEIGHT.........700 FT AGL INCREASING TO 2800 FT AGL IN THE
AFTERNOON.
* TRANSPORT WINDS.......SOUTHWEST 5 TO 10 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...4 PERCENT.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 50. WEST WINDS AROUND
3 MPH IN THE EVENING BECOMING LIGHT.
TUESDAY
WARMER. MOSTLY SUNNY. HIGHS 71 TO 81. LIGHT WINDS
BECOMING NORTH AROUND 3 MPH IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 50S. NORTHEAST
WINDS AROUND 3 MPH.
WEDNESDAY
WARMER, SUNNY. HIGHS 79 TO 89. NORTHEAST WINDS AROUND
3 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. LIGHT WINDS.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS
AROUND 3 MPH.
FRIDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN. LOWS IN THE MID 50S.
HIGHS IN THE LOWER 70S.
SATURDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN. LOWS IN THE LOWER
50S. HIGHS IN THE LOWER 70S.
.8 TO 14 DAY OUTLOOK FOR SEP 12 - 18 2026
BELOW NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.
WAZ656-061200-
NORTHEAST PUGET SOUND LOWLANDS GENERALLY BELOW 1500 FEET-
300 PM PDT SAT SEP 5 2026
TONIGHT
* SKY/WEATHER...........PARTLY CLOUDY.
* MIN TEMPERATURE.......43-53.
* MAX HUMIDITY..........75-90 PERCENT.
* 20-FOOT WINDS.........NORTHEAST WINDS UP TO 3 MPH.
* MIXING HEIGHT.........300-1200 FT AGL.
* TRANSPORT WINDS.......NORTHEAST AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...13 PERCENT.
SUNDAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......62-72.
* MIN HUMIDITY..........49-64 PERCENT.
* 20-FOOT WINDS.........LIGHT WINDS BECOMING WEST AROUND 4 MPH IN
THE AFTERNOON.
* MIXING HEIGHT.........500 FT AGL INCREASING TO 2800 FT AGL IN THE
AFTERNOON.
* TRANSPORT WINDS.......NORTH AROUND 5 MPH SHIFTING TO THE
NORTHWEST IN THE AFTERNOON.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...1 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER...........PARTLY CLOUDY.
* MIN TEMPERATURE.......44-54.
* MAX HUMIDITY..........74-89 PERCENT.
* 20-FOOT WINDS.........WEST WINDS AROUND 3 MPH IN THE EVENING
BECOMING LIGHT.
* MIXING HEIGHT.........300-1100 FT AGL.
* TRANSPORT WINDS.......WEST AROUND 5 MPH SHIFTING TO THE SOUTHEAST
AFTER MIDNIGHT.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...1 PERCENT.
LABOR DAY
* SKY/WEATHER...........PARTLY SUNNY. SLIGHT CHANCE OF RAIN.
* MAX TEMPERATURE.......56-66.
* MIN HUMIDITY..........67-82 PERCENT.
* 20-FOOT WINDS.........SOUTH WINDS 3 TO 5 MPH.
* MIXING HEIGHT.........1000-2000 FT AGL.
* TRANSPORT WINDS.......SOUTH 5 TO 10 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...6 PERCENT.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. LIGHT WINDS.
TUESDAY
WARMER. MOSTLY SUNNY. HIGHS 69 TO 79. LIGHT WINDS
BECOMING NORTHWEST AROUND 3 MPH IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 50S. LIGHT WINDS.
WEDNESDAY
WARMER, SUNNY. HIGHS 75 TO 85. LIGHT WINDS.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. LIGHT WINDS.
THURSDAY
MOSTLY SUNNY. HIGHS 71 TO 81. LIGHT WINDS.
FRIDAY
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN. LOWS IN THE MID 50S.
HIGHS 68 TO 78.
SATURDAY
MOSTLY CLOUDY. CHANCE OF RAIN. LOWS IN THE MID 50S.
HIGHS 67 TO 77.
.8 TO 14 DAY OUTLOOK FOR SEP 12 - 18 2026
BELOW NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.
WAZ657-061200-
SOUTHEAST PUGET SOUND LOWLANDS GENERALLY BELOW 1500 FEET-
300 PM PDT SAT SEP 5 2026
TONIGHT
* SKY/WEATHER...........PARTLY CLOUDY.
* MIN TEMPERATURE.......45-55.
* MAX HUMIDITY..........81-96 PERCENT.
* 20-FOOT WINDS.........NORTHEAST WINDS UP TO 3 MPH.
* MIXING HEIGHT.........300-1200 FT AGL.
* TRANSPORT WINDS.......NORTHEAST AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...10 PERCENT.
SUNDAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......64-74.
* MIN HUMIDITY..........51-66 PERCENT.
* 20-FOOT WINDS.........LIGHT WINDS.
* MIXING HEIGHT.........600 FT AGL INCREASING TO 3200 FT AGL IN THE
AFTERNOON.
* TRANSPORT WINDS.......NORTH AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...3 PERCENT.
SUNDAY NIGHT
* SKY/WEATHER...........PARTLY CLOUDY.
* MIN TEMPERATURE.......47-57.
* MAX HUMIDITY..........81-96 PERCENT.
* 20-FOOT WINDS.........LIGHT WINDS.
* MIXING HEIGHT.........400-1400 FT AGL.
* TRANSPORT WINDS.......NORTH AROUND 5 MPH SHIFTING TO THE SOUTH
AFTER MIDNIGHT.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...2 PERCENT.
LABOR DAY
* SKY/WEATHER...........PARTLY SUNNY.
* MAX TEMPERATURE.......60-70.
* MIN HUMIDITY..........67-82 PERCENT.
* 20-FOOT WINDS.........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...6 PERCENT.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 48 TO 58. SOUTH WINDS UP TO
3 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S. LIGHT WINDS BECOMING
NORTH AROUND 3 MPH IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 50S. LIGHT WINDS.
WEDNESDAY
SUNNY. HIGHS AROUND 80. LIGHT WINDS.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. LIGHT WINDS.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. LIGHT WINDS.
FRIDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN. LOWS IN THE MID 50S.
HIGHS IN THE LOWER 70S.
SATURDAY
MOSTLY CLOUDY. CHANCE OF RAIN. LOWS 49 TO 59. HIGHS IN
THE LOWER 70S.
.8 TO 14 DAY OUTLOOK FOR SEP 12 - 18 2026
BELOW NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.
WAZ658-061200-
WEST SLOPES OF THE NORTH CASCADES GENERALLY ABOVE 1500 FEET-
300 PM PDT SAT SEP 5 2026
TONIGHT
* SKY/WEATHER...........PARTLY CLOUDY. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING.
* MIN TEMPERATURE.......41-51...EXCEPT 35-45 RIDGES.
* MAX HUMIDITY..........75-90 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..DOWNSLOPE/DOWNVALLEY 2 TO 4 MPH.
* RIDGES/UPR SLOPES...NORTHEAST WINDS 3 TO 6 MPH.
* MIXING HEIGHT.........300-1100 FT AGL.
* TRANSPORT WINDS.......NORTHEAST AROUND 5 MPH.
* CWR (>0.25)...........5 PERCENT.
* CHANCE OF LIGHTNING...15 PERCENT.
* FREEZING LEVEL........9000 FEET.
SUNDAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......61-71...EXCEPT 56-66 RIDGES.
* MIN HUMIDITY..........49-64 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..UPSLOPE/UPVALLEY 2 TO 4 MPH.
* RIDGES/UPR SLOPES...EAST WINDS AROUND 3 MPH SHIFTING TO THE
NORTHWEST AROUND 4 MPH IN THE AFTERNOON.
* MIXING HEIGHT.........700 FT AGL INCREASING TO 4000 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...4 PERCENT.
* FREEZING LEVEL........9500 FEET.
SUNDAY NIGHT
* SKY/WEATHER...........PARTLY CLOUDY.
* MIN TEMPERATURE.......43-53...EXCEPT 36-46 RIDGES.
* MAX HUMIDITY..........74-89 PERCENT...EXCEPT 81-96 PERCENT
RIDGES.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..DOWNSLOPE/DOWNVALLEY 2 TO 3 MPH.
* RIDGES/UPR SLOPES...WEST WINDS AROUND 4 MPH SHIFTING TO THE
SOUTHWEST AROUND 3 MPH AFTER MIDNIGHT.
* MIXING HEIGHT.........400-1400 FT AGL.
* TRANSPORT WINDS.......WEST AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...4 PERCENT.
* FREEZING LEVEL........10000 FEET.
LABOR DAY
* SKY/WEATHER...........PARTLY SUNNY. SLIGHT CHANCE OF RAIN IN THE
AFTERNOON.
* MAX TEMPERATURE.......56-66...EXCEPT 49-59 RIDGES.
* MIN HUMIDITY..........72-87 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..UPSLOPE/UPVALLEY 2 TO 4 MPH.
* RIDGES/UPR SLOPES...WEST WINDS 3 TO 6 MPH.
* MIXING HEIGHT.........1000-2000 FT AGL.
* TRANSPORT WINDS.......WEST 5 TO 10 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...6 PERCENT.
* FREEZING LEVEL........9500 FEET.
MONDAY NIGHT
MOSTLY CLOUDY. FREEZING LEVEL 10500 FEET. LOWS 46 TO
56 VALLEYS...IN THE MID 40S RIDGES. WEST WINDS AROUND 4 MPH SHIFTING
TO THE NORTHWEST AROUND 3 MPH AFTER MIDNIGHT.
TUESDAY
WARMER. MOSTLY SUNNY. FREEZING LEVEL 11500 FEET. HIGHS
66 TO 76 VALLEYS...58 TO 68 RIDGES. NORTHEAST WINDS AROUND 3 MPH
SHIFTING TO THE WEST IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLEAR. FREEZING LEVEL 12000 FEET. LOWS IN
THE LOWER 50S VALLEYS...IN THE UPPER 40S RIDGES. NORTHEAST WINDS
AROUND 4 MPH.
WEDNESDAY
SUNNY. FREEZING LEVEL 13500 FEET. HIGHS 71 TO
81 VALLEYS...64 TO 74 RIDGES. SOUTHWEST WINDS AROUND 4 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. FREEZING LEVEL 14500 FEET. LOWS
48 TO 58. WEST WINDS AROUND 4 MPH.
THURSDAY
MOSTLY SUNNY WITH SLIGHT CHANCE OF RAIN. FREEZING LEVEL
13000 FEET. HIGHS 66 TO 76 VALLEYS...59 TO 69 RIDGES. SOUTHWEST
WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY. CHANCE OF RAIN. FREEZING LEVEL 9500 FEET.
LOWS IN THE LOWER 50S VALLEYS...IN THE UPPER 40S RIDGES. HIGHS 63 TO
73 VALLEYS...55 TO 65 RIDGES.
SATURDAY
MOSTLY CLOUDY. CHANCE OF RAIN. FREEZING LEVEL
11000 FEET. LOWS IN THE LOWER 50S VALLEYS...IN THE MID 40S RIDGES.
HIGHS 61 TO 71 VALLEYS...53 TO 63 RIDGES.
.8 TO 14 DAY OUTLOOK FOR SEP 12 - 18 2026
BELOW NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.
WAZ659-061200-
WEST SLOPES OF THE CENTRAL CASCADES GENERALLY ABOVE 1500 FEET-
300 PM PDT SAT SEP 5 2026
TONIGHT
* SKY/WEATHER...........PARTLY CLOUDY.
* MIN TEMPERATURE.......44-54...EXCEPT 35-45 RIDGES.
* MAX HUMIDITY..........73-88 PERCENT...EXCEPT 79-94 PERCENT
RIDGES.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..DOWNSLOPE/DOWNVALLEY 1 TO 3 MPH.
* RIDGES/UPR SLOPES...LIGHT WINDS BECOMING EAST AROUND 5 MPH AFTER
MIDNIGHT.
* MIXING HEIGHT.........300-1100 FT AGL.
* TRANSPORT WINDS.......EAST AROUND 5 MPH.
* CWR (>0.25)...........5 PERCENT.
* CHANCE OF LIGHTNING...11 PERCENT.
* FREEZING LEVEL........9000 FEET.
SUNDAY
* SKY/WEATHER...........MOSTLY SUNNY. CHANCE OF RAIN IN THE
AFTERNOON.
* MAX TEMPERATURE.......62-72...EXCEPT 49-59 RIDGES.
* MIN HUMIDITY..........60-75 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..UPSLOPE/UPVALLEY 2 TO 3 MPH.
* RIDGES/UPR SLOPES...LIGHT WINDS BECOMING NORTHWEST AROUND 3 MPH
IN THE AFTERNOON.
* MIXING HEIGHT.........700 FT AGL INCREASING TO 3200 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...12 PERCENT.
* FREEZING LEVEL........9000 FEET.
SUNDAY NIGHT
* SKY/WEATHER...........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
* MIN TEMPERATURE.......45-55...EXCEPT 36-46 RIDGES.
* MAX HUMIDITY..........74-89 PERCENT...EXCEPT 89-100 PERCENT
RIDGES.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..DOWNSLOPE/DOWNVALLEY AROUND 2 MPH.
* RIDGES/UPR SLOPES...WEST WINDS 3 TO 5 MPH.
* MIXING HEIGHT.........300-1200 FT AGL.
* TRANSPORT WINDS.......WEST AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...5 PERCENT.
* FREEZING LEVEL........9500 FEET.
LABOR DAY
* SKY/WEATHER...........PARTLY SUNNY.
* MAX TEMPERATURE.......59-69...EXCEPT 47-57 RIDGES.
* MIN HUMIDITY..........69-84 PERCENT...EXCEPT 74-89 PERCENT
RIDGES.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..UPSLOPE/UPVALLEY 3 TO 4 MPH.
* RIDGES/UPR SLOPES...WEST WINDS 3 TO 6 MPH.
* MIXING HEIGHT.........500 FT AGL INCREASING TO 2500 FT AGL IN THE
AFTERNOON.
* TRANSPORT WINDS.......WEST 5 TO 10 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...5 PERCENT.
* FREEZING LEVEL........9500 FEET.
MONDAY NIGHT
PARTLY CLOUDY. FREEZING LEVEL 11000 FEET. LOWS 45 TO
55 VALLEYS...IN THE LOWER 40S RIDGES. WEST WINDS AROUND 3 MPH IN THE
EVENING BECOMING LIGHT.
TUESDAY
WARMER. MOSTLY SUNNY. FREEZING LEVEL 12000 FEET. HIGHS
66 TO 76 VALLEYS...58 TO 68 RIDGES. LIGHT WINDS BECOMING NORTHWEST
AROUND 3 MPH IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLEAR. FREEZING LEVEL 12500 FEET. LOWS 48 TO
58 VALLEYS...IN THE UPPER 40S RIDGES. NORTHEAST WINDS AROUND 4 MPH.
WEDNESDAY
WARMER, SUNNY. FREEZING LEVEL 13500 FEET. HIGHS 74 TO
84 VALLEYS...65 TO 75 RIDGES. EAST WINDS AROUND 4 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. FREEZING LEVEL 14500 FEET. LOWS
50 TO 60. SOUTHWEST WINDS AROUND 3 MPH.
THURSDAY
MOSTLY SUNNY. FREEZING LEVEL 14000 FEET. HIGHS 69 TO
79 VALLEYS...61 TO 71 RIDGES. SOUTHWEST WINDS AROUND 4 MPH.
FRIDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN. FREEZING LEVEL
10500 FEET. LOWS 49 TO 59 VALLEYS...IN THE UPPER 40S RIDGES. HIGHS
63 TO 73 VALLEYS...55 TO 65 RIDGES.
SATURDAY
MOSTLY CLOUDY. CHANCE OF RAIN. FREEZING LEVEL
11500 FEET. LOWS 47 TO 57 VALLEYS...IN THE UPPER 40S RIDGES. HIGHS
62 TO 72 VALLEYS...53 TO 63 RIDGES.
.8 TO 14 DAY OUTLOOK FOR SEP 12 - 18 2026
BELOW NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.
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