323
FNUS56 KSEW 082057
FWFSEW
FIRE WEATHER PLANNING FORECAST FOR WESTERN WASHINGTON
NATIONAL WEATHER SERVICE SEATTLE WA
157 PM PDT TUE SEP 8 2026
DISCUSSION
DRY, WARM CONDITIONS CONTINUE THROUGH WEDNESDAY.
WEAK OFFSHORE FLOW IS EXPECTED TONIGHT WHICH WILL REDUCE OVERNIGHT
RELATIVE HUMIDITY RECOVERIES OVER THE CASCADE CREST. A BRIEF PERIOD
OF ELEVATED FIRE CONDITIONS ON WEDNESDAY WITH LOWER MINIMUM RH
VALUES OVER THE CASCADES. ONSHORE FLOW RETURNS THURSDAY AND CONTINUES
THROUGH THE WEEKEND WITH COOLER CONDITIONS AND PRECIPITATION
POTENTIAL ON SATURDAY.
FORECAST FOR 20 FOOT WIND SPEED (VALLEYS AND RIDGE TOPS) ARE 10
MINUTE AVERAGES REFLECTING RAWS WINDS.
WAZ649-091115-
NORTH AND CENTRAL COASTAL STRIP-
157 PM PDT TUE SEP 8 2026
TONIGHT
* SKY/WEATHER...........PARTLY CLOUDY.
* MIN TEMPERATURE.......48-58.
* MAX HUMIDITY..........92-100 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..NORTHWEST WINDS AROUND 4 MPH IN THE EVENING
BECOMING LIGHT.
* RIDGES/UPR SLOPES...NORTHWEST WINDS AROUND 4 MPH IN THE EVENING
BECOMING LIGHT.
* MIXING HEIGHT.........400-600 FT AGL.
* TRANSPORT WINDS.......NORTH 5 TO 10 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
WEDNESDAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......65-75.
* MIN HUMIDITY..........66-81 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..LIGHT WINDS BECOMING NORTHWEST AROUND 4 MPH
IN THE AFTERNOON.
* RIDGES/UPR SLOPES...LIGHT WINDS BECOMING NORTHWEST AROUND 3 MPH
IN THE AFTERNOON.
* MIXING HEIGHT.........400-1000 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.
WEDNESDAY NIGHT
* SKY/WEATHER...........MOSTLY CLOUDY.
* MIN TEMPERATURE.......52-62.
* MAX HUMIDITY..........89-100 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..NORTHWEST WINDS 5 TO 8 MPH. GUSTS UP TO 25
MPH AFTER MIDNIGHT.
* RIDGES/UPR SLOPES...NORTHWEST WINDS 6 TO 9 MPH.
* MIXING HEIGHT.........600-700 FT AGL.
* TRANSPORT WINDS.......NORTHWEST AROUND 10 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
THURSDAY
* SKY/WEATHER...........PARTLY SUNNY.
* MAX TEMPERATURE.......58-68.
* MIN HUMIDITY..........67-82 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..NORTHWEST WINDS 7 TO 10 MPH. GUSTS UP TO 25
MPH IN THE MORNING.
* RIDGES/UPR SLOPES...NORTHWEST WINDS 6 TO 9 MPH.
* MIXING HEIGHT.........1600-2600 FT AGL.
* TRANSPORT WINDS.......NORTHWEST AROUND 10 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 50S. NORTHWEST
WINDS 5 TO 8 MPH.
FRIDAY
MOSTLY CLOUDY. HIGHS IN THE MID 60S. WEST WINDS 3 TO
6 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH SLIGHT CHANCE OF RAIN. LOWS IN
THE LOWER 50S. LIGHT WINDS.
SATURDAY
PARTLY SUNNY WITH A CHANCE OF RAIN. HIGHS IN THE MID
60S. NORTHEAST WINDS AROUND 3 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN IN THE
EVENING. LOWS IN THE LOWER 50S. WEST WINDS AROUND 3 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. SOUTHWEST WINDS
AROUND 4 MPH.
MONDAY
PARTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS 63 TO 73.
TUESDAY
PARTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS 64 TO 74.
.8 TO 14 DAY OUTLOOK FOR 8-14 DAY OUTLOOK TABLE
ABOVE NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
WAZ650-091115-
NORTH COASTAL LOWLANDS-
157 PM PDT TUE SEP 8 2026
TONIGHT
* SKY/WEATHER...........MOSTLY CLEAR.
* MIN TEMPERATURE.......49-59.
* MAX HUMIDITY..........80-95 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..LIGHT WINDS.
* RIDGES/UPR SLOPES...NORTH WINDS AROUND 3 MPH IN THE EVENING
BECOMING LIGHT.
* MIXING HEIGHT.........300-800 FT AGL.
* TRANSPORT WINDS.......NORTH AROUND 5 MPH SHIFTING TO THE
NORTHEAST AFTER MIDNIGHT.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
WEDNESDAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......66-76.
* MIN HUMIDITY..........58-73 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..LIGHT WINDS BECOMING WEST AROUND 3 MPH IN THE
AFTERNOON.
* RIDGES/UPR SLOPES...LIGHT WINDS.
* MIXING HEIGHT.........600-1600 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.
WEDNESDAY NIGHT
* SKY/WEATHER...........MOSTLY CLOUDY.
* MIN TEMPERATURE.......50-60.
* MAX HUMIDITY..........79-94 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..NORTHWEST WINDS 3 TO 6 MPH. GUSTS UP TO 25
MPH AFTER MIDNIGHT.
* RIDGES/UPR SLOPES...NORTHWEST WINDS 3 TO 6 MPH.
* MIXING HEIGHT.........500-700 FT AGL.
* TRANSPORT WINDS.......NORTHWEST AROUND 10 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
THURSDAY
* SKY/WEATHER...........PARTLY SUNNY.
* MAX TEMPERATURE.......58-68.
* MIN HUMIDITY..........62-77 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..WEST WINDS 4 TO 7 MPH. GUSTS UP TO 25 MPH IN
THE MORNING.
* RIDGES/UPR SLOPES...WEST WINDS 4 TO 7 MPH.
* MIXING HEIGHT.........1300-2300 FT AGL.
* TRANSPORT WINDS.......WEST AROUND 10 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S. WEST WINDS
AROUND 4 MPH IN THE EVENING BECOMING LIGHT.
FRIDAY
MOSTLY CLOUDY. HIGHS 58 TO 68. LIGHT WINDS BECOMING
SOUTHWEST AROUND 3 MPH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN AFTER MIDNIGHT.
LOWS AROUND 50. LIGHT WINDS.
SATURDAY
PARTLY SUNNY. SLIGHT CHANCE OF RAIN IN THE MORNING, THEN
CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS 63 TO 73. LIGHT WINDS.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S. LIGHT WINDS.
SUNDAY
MOSTLY SUNNY. HIGHS 64 TO 74. LIGHT WINDS.
MONDAY
PARTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS 65 TO 75.
TUESDAY
PARTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS 66 TO 76.
.8 TO 14 DAY OUTLOOK FOR 8-14 DAY OUTLOOK TABLE
ABOVE NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
WAZ651-091115-
CENTRAL COASTAL LOWLANDS-
157 PM PDT TUE SEP 8 2026
TONIGHT
* SKY/WEATHER...........MOSTLY CLEAR.
* MIN TEMPERATURE.......47-57.
* MAX HUMIDITY..........85-100 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..LIGHT WINDS.
* RIDGES/UPR SLOPES...LIGHT WINDS.
* MIXING HEIGHT.........300-1000 FT AGL.
* TRANSPORT WINDS.......NORTHWEST AROUND 5 MPH SHIFTING TO THE
NORTHEAST AFTER MIDNIGHT.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
WEDNESDAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......70-80...EXCEPT 67-77 RIDGES.
* MIN HUMIDITY..........51-66 PERCENT...EXCEPT 61-70 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.........900-1900 FT AGL.
* TRANSPORT WINDS.......NORTHEAST AROUND 5 MPH SHIFTING TO THE
NORTHWEST IN THE AFTERNOON.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
WEDNESDAY NIGHT
* SKY/WEATHER...........MOSTLY CLOUDY.
* MIN TEMPERATURE.......51-61.
* MAX HUMIDITY..........81-96 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..WEST WINDS 3 TO 6 MPH.
* RIDGES/UPR SLOPES...WEST WINDS 3 TO 6 MPH.
* MIXING HEIGHT.........500-800 FT AGL.
* TRANSPORT WINDS.......NORTHWEST 5 TO 10 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
THURSDAY
* SKY/WEATHER...........PARTLY SUNNY.
* MAX TEMPERATURE.......59-69.
* MIN HUMIDITY..........58-73 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..WEST WINDS 6 TO 9 MPH.
* RIDGES/UPR SLOPES...WEST WINDS 6 TO 9 MPH.
* MIXING HEIGHT.........800 FT AGL INCREASING TO 2800 FT AGL IN THE
AFTERNOON.
* TRANSPORT WINDS.......NORTHWEST AROUND 10 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S. WEST WINDS
5 TO 8 MPH.
FRIDAY...MOSTLY CLOUDY. HIGHS IN THE MID 60S VALLEYS
IN THE UPPER
50S RIDGES. LIGHT WINDS BECOMING WEST AROUND 4 MPH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN AFTER MIDNIGHT.
LOWS AROUND 50. LIGHT WINDS.
SATURDAY
MOSTLY CLOUDY. CHANCE OF RAIN IN THE MORNING, THEN
CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS IN THE UPPER 60S VALLEYS...IN THE LOWER 60S RIDGES.
LIGHT WINDS.
SATURDAY NIGHT
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN IN THE
EVENING. LOWS IN THE LOWER 50S. LIGHT WINDS.
SUNDAY...PARTLY SUNNY. HIGHS AROUND 70 VALLEYS
IN THE MID 60S
RIDGES. LIGHT WINDS.
MONDAY
PARTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS 68 TO
78 VALLEYS...IN THE MID 60S RIDGES.
TUESDAY
PARTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS 69 TO
79 VALLEYS...IN THE UPPER 60S RIDGES.
.8 TO 14 DAY OUTLOOK FOR 8-14 DAY OUTLOOK TABLE
ABOVE NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
WAZ652-091115-
WEST PORTION OF THE OLYMPIC MOUNTAINS-
157 PM PDT TUE SEP 8 2026
TONIGHT
* SKY/WEATHER...........MOSTLY CLEAR.
* MIN TEMPERATURE.......44-54.
* MAX HUMIDITY..........76-91 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..DOWNSLOPE/DOWNVALLEY 2 TO 3 MPH.
* RIDGES/UPR SLOPES...LIGHT WINDS BECOMING EAST AROUND 3 MPH AFTER
MIDNIGHT.
* MIXING HEIGHT.........300-1000 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.
WEDNESDAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......67-77...EXCEPT 63-73 RIDGES.
* MIN HUMIDITY..........50-65 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..UPSLOPE/UPVALLEY 2 TO 3 MPH.
* RIDGES/UPR SLOPES...LIGHT WINDS BECOMING WEST AROUND 3 MPH IN THE
AFTERNOON.
* MIXING HEIGHT.........800-1800 FT AGL.
* TRANSPORT WINDS.......NORTHEAST AROUND 5 MPH SHIFTING TO THE WEST
IN THE AFTERNOON.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
* FREEZING LEVEL........15000 FEET.
WEDNESDAY NIGHT
* SKY/WEATHER...........MOSTLY CLOUDY.
* MIN TEMPERATURE.......46-56.
* MAX HUMIDITY..........75-90 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..DOWNSLOPE/DOWNVALLEY 2 TO 3 MPH.
* RIDGES/UPR SLOPES...NORTHWEST WINDS 3 TO 6 MPH.
* MIXING HEIGHT.........400-800 FT AGL.
* TRANSPORT WINDS.......NORTHWEST AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
* FREEZING LEVEL........14000 FEET.
THURSDAY
* SKY/WEATHER...........PARTLY SUNNY.
* MAX TEMPERATURE.......57-67...EXCEPT 53-63 RIDGES.
* MIN HUMIDITY..........52-67 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 FT AGL INCREASING TO 2600 FT AGL IN THE
AFTERNOON.
* TRANSPORT WINDS.......WEST 5 TO 10 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
* FREEZING LEVEL........12000 FEET.
THURSDAY NIGHT
COLDER. PARTLY CLOUDY. FREEZING LEVEL 10000 FEET.
LOWS 41 TO 51. WEST WINDS 3 TO 6 MPH.
FRIDAY
PARTLY SUNNY. FREEZING LEVEL 9000 FEET. HIGHS 50 TO 60.
LIGHT WINDS BECOMING WEST AROUND 4 MPH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN IN THE EVENING,
THEN CHANCE OF RAIN AFTER MIDNIGHT. FREEZING LEVEL 8500 FEET. LOWS
41 TO 51. LIGHT WINDS.
SATURDAY
PARTLY SUNNY. CHANCE OF RAIN IN THE MORNING, THEN CHANCE
OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
FREEZING LEVEL 8000 FEET. HIGHS 57 TO 67 VALLEYS...52 TO 62 RIDGES.
NORTH WINDS AROUND 3 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN IN THE
EVENING. FREEZING LEVEL 9500 FEET. LOWS 43 TO 53. NORTH WINDS AROUND
3 MPH.
SUNDAY
MOSTLY SUNNY. SLIGHT CHANCE OF RAIN IN THE AFTERNOON.
FREEZING LEVEL 10500 FEET. HIGHS 59 TO 69 VALLEYS...54 TO 64 RIDGES.
WEST WINDS AROUND 3 MPH.
MONDAY
MOSTLY CLEAR. FREEZING LEVEL 12500 FEET. LOWS 43 TO 53.
HIGHS 61 TO 71 VALLEYS...56 TO 66 RIDGES.
TUESDAY
PARTLY CLOUDY. FREEZING LEVEL 12000 FEET. LOWS 45 TO 55.
HIGHS 62 TO 72 VALLEYS...57 TO 67 RIDGES.
.8 TO 14 DAY OUTLOOK FOR 8-14 DAY OUTLOOK TABLE
ABOVE NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
WAZ661-091115-
EAST PORTION OF THE OLYMPIC MOUNTAINS-
157 PM PDT TUE SEP 8 2026
TONIGHT
* SKY/WEATHER...........MOSTLY CLEAR.
* MIN TEMPERATURE.......44-54.
* MAX HUMIDITY..........79-94 PERCENT...EXCEPT 72-87 PERCENT
RIDGES.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..DOWNSLOPE/DOWNVALLEY AROUND 2 MPH.
* RIDGES/UPR SLOPES...NORTH WINDS 3 TO 4 MPH.
* MIXING HEIGHT.........400-900 FT AGL.
* TRANSPORT WINDS.......NORTH AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
* FREEZING LEVEL........14000 FEET.
WEDNESDAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......67-77...EXCEPT 62-72 RIDGES.
* MIN HUMIDITY..........50-65 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.........800-1800 FT AGL.
* TRANSPORT WINDS.......NORTHWEST AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
* FREEZING LEVEL........15000 FEET.
WEDNESDAY NIGHT
* SKY/WEATHER...........MOSTLY CLOUDY.
* MIN TEMPERATURE.......45-55.
* MAX HUMIDITY..........78-93 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..DOWNSLOPE/DOWNVALLEY 2 TO 3 MPH.
* RIDGES/UPR SLOPES...WEST WINDS 3 TO 6 MPH.
* MIXING HEIGHT.........400-800 FT AGL.
* TRANSPORT WINDS.......WEST AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
* FREEZING LEVEL........14000 FEET.
THURSDAY
* SKY/WEATHER...........MOSTLY SUNNY. CHANCE OF RAIN IN THE
AFTERNOON.
* MAX TEMPERATURE.......58-68...EXCEPT 53-63 RIDGES.
* MIN HUMIDITY..........59-74 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 2700 FT AGL IN THE
AFTERNOON.
* TRANSPORT WINDS.......WEST 5 TO 10 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
* FREEZING LEVEL........12000 FEET.
THURSDAY NIGHT
COLDER. PARTLY CLOUDY. SLIGHT CHANCE OF RAIN IN
THE EVENING. FREEZING LEVEL 10000 FEET. LOWS 43 TO 53 VALLEYS...
37 TO 47 RIDGES. WEST WINDS 3 TO 5 MPH.
FRIDAY
PARTLY SUNNY. SLIGHT CHANCE OF RAIN IN THE AFTERNOON.
FREEZING LEVEL 9000 FEET. HIGHS 55 TO 65 VALLEYS...46 TO 56 RIDGES.
LIGHT WINDS BECOMING WEST AROUND 4 MPH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN IN THE EVENING, THEN
SLIGHT CHANCE OF RAIN AFTER MIDNIGHT. FREEZING LEVEL 8500 FEET. LOWS
IN THE UPPER 40S VALLEYS...38 TO 48 RIDGES. NORTH WINDS AROUND
3 MPH.
SATURDAY
PARTLY SUNNY. CHANCE OF RAIN IN THE MORNING, THEN CHANCE
OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
FREEZING LEVEL 8500 FEET. HIGHS 58 TO 68 VALLEYS...49 TO 59 RIDGES.
NORTH WINDS AROUND 4 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN IN THE
EVENING. FREEZING LEVEL 9500 FEET. LOWS IN THE UPPER 40S VALLEYS...
39 TO 49 RIDGES. WEST WINDS AROUND 3 MPH.
SUNDAY
MOSTLY SUNNY. SLIGHT CHANCE OF RAIN IN THE AFTERNOON.
FREEZING LEVEL 10500 FEET. HIGHS 60 TO 70 VALLEYS...52 TO 62 RIDGES.
WEST WINDS AROUND 3 MPH.
MONDAY
MOSTLY CLEAR. FREEZING LEVEL 12500 FEET. LOWS AROUND
50 VALLEYS...40 TO 50 RIDGES. HIGHS 61 TO 71 VALLEYS...53 TO
63 RIDGES.
TUESDAY
PARTLY CLOUDY. FREEZING LEVEL 12000 FEET. LOWS 44 TO 54.
HIGHS 63 TO 73 VALLEYS...54 TO 64 RIDGES.
.8 TO 14 DAY OUTLOOK FOR 8-14 DAY OUTLOOK TABLE
ABOVE NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
WAZ653-091115-
STRAIT OF JUAN DE FUCA AND NORTHWEST INTERIOR LOWLANDS-
157 PM PDT TUE SEP 8 2026
TONIGHT
* SKY/WEATHER...........PARTLY CLOUDY.
* MIN TEMPERATURE.......48-58.
* MAX HUMIDITY..........81-96 PERCENT.
* 20-FOOT WINDS.........NORTHWEST WINDS AROUND 3 MPH IN THE EVENING
BECOMING LIGHT.
* MIXING HEIGHT.........400-500 FT AGL.
* TRANSPORT WINDS.......NORTHWEST AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
WEDNESDAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......65-75.
* MIN HUMIDITY..........62-77 PERCENT.
* 20-FOOT WINDS.........LIGHT WINDS BECOMING NORTHWEST AROUND 3 MPH
IN THE AFTERNOON.
* MIXING HEIGHT.........500-900 FT AGL.
* TRANSPORT WINDS.......NORTH AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
WEDNESDAY NIGHT
* SKY/WEATHER...........MOSTLY CLOUDY.
* MIN TEMPERATURE.......49-59.
* MAX HUMIDITY..........79-94 PERCENT.
* 20-FOOT WINDS.........LIGHT WINDS BECOMING SOUTHWEST AROUND 5 MPH
AFTER MIDNIGHT.
* MIXING HEIGHT.........400-500 FT AGL.
* TRANSPORT WINDS.......WEST 5 TO 10 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
THURSDAY
* SKY/WEATHER...........PARTLY SUNNY.
* MAX TEMPERATURE.......62-72.
* MIN HUMIDITY..........59-74 PERCENT.
* 20-FOOT WINDS.........WEST WINDS 4 TO 7 MPH.
* MIXING HEIGHT.........700-1700 FT AGL.
* TRANSPORT WINDS.......WEST 5 TO 10 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS 47 TO 57. WEST WINDS AROUND
4 MPH SHIFTING TO THE SOUTHWEST AROUND 3 MPH AFTER MIDNIGHT.
FRIDAY
MOSTLY CLOUDY. HIGHS 62 TO 72. SOUTH WINDS 3 TO 6 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH SLIGHT CHANCE OF RAIN. LOWS 47 TO
57. LIGHT WINDS.
SATURDAY
PARTLY SUNNY WITH A CHANCE OF RAIN. HIGHS 64 TO 74.
NORTHWEST WINDS AROUND 5 MPH.
SATURDAY NIGHT
PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN. LOWS IN
THE LOWER 50S. SOUTHWEST WINDS AROUND 3 MPH.
SUNDAY
MOSTLY SUNNY. SLIGHT CHANCE OF RAIN IN THE MORNING. HIGHS
65 TO 75. SOUTH WINDS AROUND 4 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS 65 TO 75.
TUESDAY
PARTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS 66 TO 76.
.8 TO 14 DAY OUTLOOK FOR 8-14 DAY OUTLOOK TABLE
ABOVE NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
WAZ654-091115-
CENTRAL AND SOUTH PUGET SOUND LOWLANDS-
157 PM PDT TUE SEP 8 2026
TONIGHT
* SKY/WEATHER...........MOSTLY CLEAR.
* MIN TEMPERATURE.......49-59.
* MAX HUMIDITY..........79-94 PERCENT.
* 20-FOOT WINDS.........NORTH WINDS 3 TO 5 MPH.
* MIXING HEIGHT.........400-1100 FT AGL.
* TRANSPORT WINDS.......NORTH 5 TO 10 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
WEDNESDAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......69-79.
* MIN HUMIDITY..........51-66 PERCENT.
* 20-FOOT WINDS.........NORTH WINDS 3 TO 6 MPH.
* MIXING HEIGHT.........900-1900 FT AGL.
* TRANSPORT WINDS.......NORTH AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
WEDNESDAY NIGHT
* SKY/WEATHER...........MOSTLY CLOUDY.
* MIN TEMPERATURE.......50-60.
* MAX HUMIDITY..........80-95 PERCENT.
* 20-FOOT WINDS.........LIGHT WINDS.
* MIXING HEIGHT.........400-1000 FT AGL.
* TRANSPORT WINDS.......NORTH AROUND 5 MPH SHIFTING TO THE
SOUTHWEST AFTER MIDNIGHT.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
THURSDAY
* SKY/WEATHER...........PARTLY SUNNY.
* MAX TEMPERATURE.......62-72.
* MIN HUMIDITY..........59-74 PERCENT.
* 20-FOOT WINDS.........LIGHT WINDS BECOMING SOUTH AROUND 5 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 SOUTH IN
THE AFTERNOON.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...1 PERCENT.
THURSDAY NIGHT
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN IN THE
EVENING. LOWS 48 TO 58. WEST WINDS AROUND 5 MPH SHIFTING TO THE
SOUTH AFTER MIDNIGHT.
FRIDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 60S. SOUTH WINDS 4 TO
7 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH SLIGHT CHANCE OF RAIN. LOWS 48 TO
58. NORTHWEST WINDS AROUND 4 MPH.
SATURDAY
MOSTLY CLOUDY. CHANCE OF RAIN IN THE MORNING, THEN
CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS IN THE UPPER 60S. NORTH WINDS AROUND 4 MPH.
SATURDAY NIGHT
PARTLY CLOUDY. CHANCE OF RAIN IN THE EVENING, THEN
SLIGHT CHANCE OF RAIN AFTER MIDNIGHT. LOWS IN THE LOWER 50S.
SOUTHWEST WINDS AROUND 3 MPH.
SUNDAY
MOSTLY SUNNY. SLIGHT CHANCE OF RAIN IN THE MORNING. HIGHS
IN THE LOWER 70S. SOUTH WINDS AROUND 6 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE LOWER
70S.
TUESDAY
PARTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS 68 TO 78.
.8 TO 14 DAY OUTLOOK FOR 8-14 DAY OUTLOOK TABLE
ABOVE NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
WAZ655-091115-
BLACK HILLS AND SOUTHWEST INTERIOR LOWLANDS-
157 PM PDT TUE SEP 8 2026
TONIGHT
* SKY/WEATHER...........MOSTLY CLEAR.
* MIN TEMPERATURE.......48-58.
* MAX HUMIDITY..........76-91 PERCENT.
* 20-FOOT WINDS.........NORTHEAST WINDS 3 TO 4 MPH.
* MIXING HEIGHT.........400-1300 FT AGL.
* TRANSPORT WINDS.......NORTHEAST AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
WEDNESDAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......74-84.
* MIN HUMIDITY..........42-57 PERCENT.
* 20-FOOT WINDS.........NORTH WINDS 3 TO 4 MPH.
* MIXING HEIGHT.........1000-2000 FT AGL.
* TRANSPORT WINDS.......NORTH AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
WEDNESDAY NIGHT
* SKY/WEATHER...........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* MIN TEMPERATURE.......50-60.
* MAX HUMIDITY..........79-94 PERCENT.
* 20-FOOT WINDS.........WEST WINDS 3 TO 4 MPH.
* MIXING HEIGHT.........400-1100 FT AGL.
* TRANSPORT WINDS.......WEST AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
THURSDAY
* SKY/WEATHER...........PARTLY SUNNY.
* MAX TEMPERATURE.......63-73.
* MIN HUMIDITY..........51-66 PERCENT.
* 20-FOOT WINDS.........WEST WINDS 3 TO 7 MPH.
* MIXING HEIGHT.........600 FT AGL INCREASING TO 3000 FT AGL IN THE
AFTERNOON.
* TRANSPORT WINDS.......WEST 5 TO 10 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 50. WEST WINDS 4 TO
7 MPH.
FRIDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 60S. SOUTHWEST WINDS
3 TO 5 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 50. LIGHT WINDS.
SATURDAY
MOSTLY CLOUDY. CHANCE OF RAIN IN THE MORNING, THEN
CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS 64 TO 74. LIGHT WINDS.
SATURDAY NIGHT
PARTLY CLOUDY. CHANCE OF RAIN IN THE EVENING, THEN
SLIGHT CHANCE OF RAIN AFTER MIDNIGHT. LOWS AROUND 50. LIGHT WINDS.
SUNDAY
PARTLY SUNNY WITH SLIGHT CHANCE OF RAIN. HIGHS 67 TO 77.
SOUTHWEST WINDS AROUND 3 MPH.
MONDAY
MOSTLY CLEAR. LOWS AROUND 50. HIGHS IN THE MID 70S.
TUESDAY
PARTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS IN THE MID
70S.
.8 TO 14 DAY OUTLOOK FOR 8-14 DAY OUTLOOK TABLE
ABOVE NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
WAZ656-091115-
NORTHEAST PUGET SOUND LOWLANDS GENERALLY BELOW 1500 FEET-
157 PM PDT TUE SEP 8 2026
TONIGHT
* SKY/WEATHER...........MOSTLY CLEAR.
* MIN TEMPERATURE.......47-57.
* MAX HUMIDITY..........75-90 PERCENT.
* 20-FOOT WINDS.........LIGHT WINDS.
* MIXING HEIGHT.........300-1000 FT AGL.
* TRANSPORT WINDS.......NORTHWEST AROUND 5 MPH SHIFTING TO THE
NORTHEAST AFTER MIDNIGHT.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
WEDNESDAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......69-79.
* MIN HUMIDITY..........42-57 PERCENT.
* 20-FOOT WINDS.........LIGHT WINDS BECOMING WEST AROUND 3 MPH IN
THE AFTERNOON.
* MIXING HEIGHT.........700-1700 FT AGL.
* TRANSPORT WINDS.......NORTHEAST AROUND 5 MPH SHIFTING TO THE WEST
IN THE AFTERNOON.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
WEDNESDAY NIGHT
* SKY/WEATHER...........MOSTLY CLOUDY.
* MIN TEMPERATURE.......49-59.
* MAX HUMIDITY..........80-95 PERCENT.
* 20-FOOT WINDS.........LIGHT WINDS.
* MIXING HEIGHT.........400-700 FT AGL.
* TRANSPORT WINDS.......WEST AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
THURSDAY
* SKY/WEATHER...........MOSTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
* MAX TEMPERATURE.......58-68.
* MIN HUMIDITY..........60-75 PERCENT.
* 20-FOOT WINDS.........LIGHT WINDS BECOMING WEST AROUND 3 MPH IN
THE AFTERNOON.
* MIXING HEIGHT.........700 FT AGL INCREASING TO 2700 FT AGL IN THE
AFTERNOON.
* TRANSPORT WINDS.......WEST AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...2 PERCENT.
THURSDAY NIGHT
PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN. LOWS IN
THE LOWER 50S. LIGHT WINDS.
FRIDAY
MOSTLY CLOUDY. HIGHS 63 TO 73. SOUTHEAST WINDS AROUND
3 MPH IN THE MORNING BECOMING LIGHT.
FRIDAY NIGHT
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN AFTER MIDNIGHT.
LOWS IN THE LOWER 50S. LIGHT WINDS.
SATURDAY
PARTLY SUNNY. SLIGHT CHANCE OF RAIN IN THE MORNING, THEN
CHANCE OF RAIN IN THE AFTERNOON. HIGHS 66 TO 76. LIGHT WINDS.
SATURDAY NIGHT
PARTLY CLOUDY. CHANCE OF RAIN IN THE EVENING, THEN
SLIGHT CHANCE OF RAIN AFTER MIDNIGHT. LOWS IN THE LOWER 50S. LIGHT
WINDS.
SUNDAY
MOSTLY SUNNY WITH SLIGHT CHANCE OF RAIN. HIGHS 67 TO 77.
SOUTH WINDS AROUND 3 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS 68 TO 78.
TUESDAY
PARTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS 70 TO 80.
.8 TO 14 DAY OUTLOOK FOR 8-14 DAY OUTLOOK TABLE
ABOVE NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
WAZ657-091115-
SOUTHEAST PUGET SOUND LOWLANDS GENERALLY BELOW 1500 FEET-
157 PM PDT TUE SEP 8 2026
TONIGHT
* SKY/WEATHER...........MOSTLY CLEAR.
* MIN TEMPERATURE.......48-58.
* MAX HUMIDITY..........78-93 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...0 PERCENT.
WEDNESDAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......72-82.
* MIN HUMIDITY..........44-59 PERCENT.
* 20-FOOT WINDS.........LIGHT WINDS.
* 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.
WEDNESDAY NIGHT
* SKY/WEATHER...........MOSTLY CLOUDY.
* MIN TEMPERATURE.......50-60.
* MAX HUMIDITY..........79-94 PERCENT.
* 20-FOOT WINDS.........LIGHT WINDS.
* MIXING HEIGHT.........300-900 FT AGL.
* TRANSPORT WINDS.......NORTH AROUND 5 MPH SHIFTING TO THE
SOUTHEAST AFTER MIDNIGHT.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
THURSDAY
* SKY/WEATHER...........PARTLY SUNNY.
* MAX TEMPERATURE.......63-73.
* MIN HUMIDITY..........64-79 PERCENT.
* 20-FOOT WINDS.........LIGHT WINDS BECOMING WEST AROUND 3 MPH IN
THE AFTERNOON.
* MIXING HEIGHT.........600 FT AGL INCREASING TO 2900 FT AGL IN THE
AFTERNOON.
* TRANSPORT WINDS.......WEST AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...2 PERCENT.
THURSDAY NIGHT
PARTLY CLOUDY. CHANCE OF RAIN IN THE EVENING. LOWS
47 TO 57. SOUTHWEST WINDS 3 TO 5 MPH.
FRIDAY
MOSTLY CLOUDY. HIGHS 62 TO 72. SOUTH WINDS AROUND 3 MPH IN
THE MORNING BECOMING LIGHT.
FRIDAY NIGHT
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN AFTER MIDNIGHT.
LOWS 47 TO 57. LIGHT WINDS.
SATURDAY
MOSTLY CLOUDY. CHANCE OF RAIN IN THE MORNING, THEN
CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS 63 TO 73. LIGHT WINDS.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS 47 TO
57. LIGHT WINDS.
SUNDAY
PARTLY SUNNY. CHANCE OF RAIN IN THE MORNING, THEN SLIGHT
CHANCE OF RAIN IN THE AFTERNOON. HIGHS IN THE LOWER 70S. SOUTHWEST
WINDS AROUND 3 MPH.
MONDAY
MOSTLY CLEAR. SLIGHT CHANCE OF RAIN. LOWS 47 TO 57. HIGHS
IN THE LOWER 70S.
TUESDAY
PARTLY CLOUDY. LOWS 47 TO 57. HIGHS IN THE MID 70S.
.8 TO 14 DAY OUTLOOK FOR 8-14 DAY OUTLOOK TABLE
ABOVE NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
WAZ658-091115-
WEST SLOPES OF THE NORTH CASCADES GENERALLY ABOVE 1500 FEET-
157 PM PDT TUE SEP 8 2026
TONIGHT
* SKY/WEATHER...........MOSTLY CLEAR.
* MIN TEMPERATURE.......45-55...EXCEPT 41-51 RIDGES.
* MAX HUMIDITY..........74-89 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..DOWNSLOPE/DOWNVALLEY 2 TO 3 MPH.
* RIDGES/UPR SLOPES...WEST WINDS AROUND 3 MPH SHIFTING TO THE
SOUTHEAST AROUND 4 MPH AFTER MIDNIGHT.
* MIXING HEIGHT.........300-1000 FT AGL.
* TRANSPORT WINDS.......NORTHWEST AROUND 5 MPH SHIFTING TO THE EAST
AFTER MIDNIGHT.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
* FREEZING LEVEL........13000 FEET.
WEDNESDAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......67-77...EXCEPT 61-71 RIDGES.
* MIN HUMIDITY..........42-57 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..UPSLOPE/UPVALLEY 2 TO 4 MPH.
* RIDGES/UPR SLOPES...SOUTH WINDS AROUND 3 MPH SHIFTING TO THE WEST
AROUND 4 MPH IN THE AFTERNOON.
* MIXING HEIGHT.........1000-2000 FT AGL.
* TRANSPORT WINDS.......SOUTHEAST AROUND 5 MPH SHIFTING TO THE WEST
IN THE AFTERNOON.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
* FREEZING LEVEL........14500 FEET.
WEDNESDAY NIGHT
* SKY/WEATHER...........MOSTLY CLOUDY.
* MIN TEMPERATURE.......48-58...EXCEPT 43-53 RIDGES.
* MAX HUMIDITY..........78-93 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..DOWNSLOPE/DOWNVALLEY AROUND 3 MPH.
* RIDGES/UPR SLOPES...SOUTHWEST WINDS 3 TO 6 MPH.
* MIXING HEIGHT.........300-900 FT AGL.
* TRANSPORT WINDS.......SOUTHWEST 5 TO 10 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
* FREEZING LEVEL........14000 FEET.
THURSDAY
* SKY/WEATHER...........MOSTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
* MAX TEMPERATURE.......57-67...EXCEPT 51-61 RIDGES.
* MIN HUMIDITY..........60-75 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..UPSLOPE/UPVALLEY 3 TO 5 MPH.
* RIDGES/UPR SLOPES...WEST WINDS 4 TO 7 MPH.
* MIXING HEIGHT.........600 FT AGL INCREASING TO 3000 FT AGL IN THE
AFTERNOON.
* TRANSPORT WINDS.......WEST AROUND 10 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...2 PERCENT.
* FREEZING LEVEL........11000 FEET.
THURSDAY NIGHT
COLDER. PARTLY CLOUDY. CHANCE OF RAIN IN THE
EVENING. FREEZING LEVEL 8500 FEET. LOWS IN THE UPPER 40S VALLEYS...
37 TO 47 RIDGES. WEST WINDS 4 TO 7 MPH.
FRIDAY
PARTLY SUNNY. FREEZING LEVEL 8000 FEET. HIGHS 57 TO
67 VALLEYS...49 TO 59 RIDGES. WEST WINDS 3 TO 5 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH SLIGHT CHANCE OF RAIN. FREEZING
LEVEL 9000 FEET. LOWS 44 TO 54 VALLEYS...38 TO 48 RIDGES. NORTH
WINDS AROUND 4 MPH.
SATURDAY
PARTLY SUNNY. SLIGHT CHANCE OF RAIN IN THE MORNING, THEN
CHANCE OF RAIN IN THE AFTERNOON. FREEZING LEVEL 9000 FEET. HIGHS
60 TO 70 VALLEYS...51 TO 61 RIDGES. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN IN THE EVENING, THEN
SLIGHT CHANCE OF RAIN AFTER MIDNIGHT. FREEZING LEVEL 9000 FEET. LOWS
IN THE UPPER 40S VALLEYS...38 TO 48 RIDGES. NORTHWEST WINDS AROUND
4 MPH.
SUNDAY
MOSTLY SUNNY. CHANCE OF RAIN IN THE MORNING, THEN SLIGHT
CHANCE OF RAIN IN THE AFTERNOON. FREEZING LEVEL 10000 FEET. HIGHS
60 TO 70 VALLEYS...51 TO 61 RIDGES. WEST WINDS AROUND 3 MPH.
MONDAY
MOSTLY CLEAR. SLIGHT CHANCE OF RAIN. FREEZING LEVEL
12000 FEET. LOWS 44 TO 54 VALLEYS...IN THE LOWER 40S RIDGES. HIGHS
63 TO 73 VALLEYS...55 TO 65 RIDGES.
TUESDAY
PARTLY CLOUDY. FREEZING LEVEL 11000 FEET. LOWS 45 TO
55 VALLEYS...40 TO 50 RIDGES. HIGHS 65 TO 75 VALLEYS...57 TO
67 RIDGES.
.8 TO 14 DAY OUTLOOK FOR 8-14 DAY OUTLOOK TABLE
ABOVE NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
WAZ659-091115-
WEST SLOPES OF THE CENTRAL CASCADES GENERALLY ABOVE 1500 FEET-
157 PM PDT TUE SEP 8 2026
TONIGHT
* SKY/WEATHER...........MOSTLY CLEAR.
* MIN TEMPERATURE.......48-58...EXCEPT 44-54 RIDGES.
* MAX HUMIDITY..........67-82 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..DOWNSLOPE/DOWNVALLEY 2 TO 3 MPH.
* RIDGES/UPR SLOPES...NORTH WINDS AROUND 3 MPH SHIFTING TO THE EAST
AROUND 5 MPH AFTER MIDNIGHT.
* MIXING HEIGHT.........300-1000 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........13500 FEET.
WEDNESDAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......73-83...EXCEPT 64-74 RIDGES.
* MIN HUMIDITY..........37-52 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..UPSLOPE/UPVALLEY 2 TO 3 MPH.
* RIDGES/UPR SLOPES...EAST WINDS AROUND 3 MPH SHIFTING TO THE WEST
IN THE AFTERNOON.
* MIXING HEIGHT.........1000-2000 FT AGL.
* TRANSPORT WINDS.......EAST AROUND 5 MPH SHIFTING TO THE WEST IN
THE AFTERNOON.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
* FREEZING LEVEL........15000 FEET.
WEDNESDAY NIGHT
* SKY/WEATHER...........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* MIN TEMPERATURE.......50-60...EXCEPT 45-55 RIDGES.
* MAX HUMIDITY..........71-86 PERCENT...EXCEPT 78-93 PERCENT
RIDGES.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..DOWNSLOPE/DOWNVALLEY 1 TO 2 MPH.
* RIDGES/UPR SLOPES...WEST WINDS 3 TO 5 MPH.
* MIXING HEIGHT.........200-800 FT AGL.
* TRANSPORT WINDS.......WEST AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
* FREEZING LEVEL........15000 FEET.
THURSDAY
* SKY/WEATHER...........PARTLY SUNNY.
* MAX TEMPERATURE.......62-72...EXCEPT 53-63 RIDGES.
* MIN HUMIDITY..........61-76 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..UPSLOPE/UPVALLEY 2 TO 5 MPH.
* RIDGES/UPR SLOPES...WEST WINDS 4 TO 8 MPH. GUSTS UP TO 25 MPH IN
THE AFTERNOON.
* MIXING HEIGHT.........500 FT AGL INCREASING TO 2700 FT AGL IN THE
AFTERNOON.
* TRANSPORT WINDS.......WEST 5 TO 10 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
* FREEZING LEVEL........13000 FEET.
THURSDAY NIGHT
COLDER. PARTLY CLOUDY. CHANCE OF RAIN IN THE
EVENING, THEN SLIGHT CHANCE OF RAIN AFTER MIDNIGHT. FREEZING LEVEL
10000 FEET. LOWS 43 TO 53 VALLEYS...37 TO 47 RIDGES. WEST WINDS 4 TO
7 MPH.
FRIDAY
PARTLY SUNNY. FREEZING LEVEL 10000 FEET. HIGHS 56 TO
66 VALLEYS...47 TO 57 RIDGES. WEST WINDS 3 TO 5 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN AFTER MIDNIGHT.
FREEZING LEVEL 9500 FEET. LOWS 44 TO 54 VALLEYS...IN THE LOWER 40S
RIDGES. LIGHT WINDS.
SATURDAY
MOSTLY CLOUDY. CHANCE OF RAIN IN THE MORNING, THEN
SHOWERS LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
FREEZING LEVEL 8500 FEET. HIGHS 56 TO 66 VALLEYS...47 TO 57 RIDGES.
NORTH WINDS AROUND 3 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN. FREEZING
LEVEL 9000 FEET. LOWS 44 TO 54 VALLEYS...IN THE LOWER 40S RIDGES.
WEST WINDS AROUND 3 MPH.
SUNDAY
MOSTLY SUNNY. CHANCE OF RAIN IN THE MORNING, THEN SLIGHT
CHANCE OF RAIN IN THE AFTERNOON. FREEZING LEVEL 9500 FEET. HIGHS
60 TO 70 VALLEYS...50 TO 60 RIDGES. WEST WINDS AROUND 3 MPH.
MONDAY
MOSTLY CLEAR. SLIGHT CHANCE OF RAIN. FREEZING LEVEL
12000 FEET. LOWS 44 TO 54 VALLEYS...IN THE LOWER 40S RIDGES. HIGHS
63 TO 73 VALLEYS...55 TO 65 RIDGES.
TUESDAY
PARTLY CLOUDY. FREEZING LEVEL 12000 FEET. LOWS 46 TO
56 VALLEYS...40 TO 50 RIDGES. HIGHS 65 TO 75 VALLEYS...56 TO
66 RIDGES.
.8 TO 14 DAY OUTLOOK FOR 8-14 DAY OUTLOOK TABLE
ABOVE NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
WWW.WEATHER.GOV/SEATTLE
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page