129
FNUS56 KSEW 112100
FWFSEW
FIRE WEATHER PLANNING FORECAST FOR WESTERN WASHINGTON
NATIONAL WEATHER SERVICE SEATTLE WA
200 PM PDT FRI SEP 11 2026
DISCUSSION
A SYSTEM REMAINS ON TRACK TO BRING UNSETTLED WEATHER
ACROSS WESTERN WASHINGTON SATURDAY AND SUNDAY. THE INITIAL ONSET OF
PRECIPITATION WILL BE MORE SHOWERY, WITH A SLIGHT CHANCE OF
THUNDERSTORMS FOR THE OLYMPICS AND SOUTHWEST INTERIOR. ACTIVITY WILL
BECOME MORE STRATIFORM IN COVERAGE, PRODUCING A MORE STEADIER RAIN
SATURDAY NIGHT INTO SUNDAY. MOST LOCATIONS WILL SEE BENEFICIAL RAIN
OVER THE WEEKEND. CONDITIONS WILL GRADUALLY DRY OUT, AND WARM UP
GOING INTO NEXT WEEK.
FORECAST FOR 20 FOOT WIND SPEED (VALLEYS AND RIDGE TOPS) ARE 10
MINUTE AVERAGES REFLECTING RAWS WINDS.
WAZ649-121130-
NORTH AND CENTRAL COASTAL STRIP-
200 PM PDT FRI SEP 11 2026
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY.
* MIN TEMPERATURE.......49-59.
* MAX HUMIDITY..........86-95 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..LIGHT WINDS.
* RIDGES/UPR SLOPES...LIGHT WINDS.
* MIXING HEIGHT.........400-1100 FT AGL.
* TRANSPORT WINDS.......NORTHWEST AROUND 5 MPH SHIFTING TO THE
NORTHEAST AFTER MIDNIGHT.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...2 PERCENT.
SATURDAY
* SKY/WEATHER...........MOSTLY CLOUDY. CHANCE OF RAIN IN THE
AFTERNOON.
* MAX TEMPERATURE.......60-70.
* MIN HUMIDITY..........66-81 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..LIGHT WINDS BECOMING WEST AROUND 3 MPH IN THE
AFTERNOON.
* RIDGES/UPR SLOPES...LIGHT WINDS BECOMING WEST AROUND 3 MPH IN THE
AFTERNOON.
* MIXING HEIGHT.........500-1500 FT AGL.
* TRANSPORT WINDS.......EAST AROUND 5 MPH SHIFTING TO THE SOUTHWEST
IN THE AFTERNOON.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...13 PERCENT.
SATURDAY NIGHT
* SKY/WEATHER...........MOSTLY CLOUDY. CHANCE OF RAIN THROUGH THE
NIGHT.
* MIN TEMPERATURE.......AROUND 55.
* MAX HUMIDITY..........89-100 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..WEST WINDS 3 TO 5 MPH.
* RIDGES/UPR SLOPES...SOUTHWEST WINDS 3 TO 5 MPH.
* MIXING HEIGHT.........600-800 FT AGL.
* TRANSPORT WINDS.......WEST AROUND 5 MPH.
* CWR (>0.25)...........35 PERCENT.
* CHANCE OF LIGHTNING...13 PERCENT.
SUNDAY
* SKY/WEATHER...........PARTLY SUNNY. CHANCE OF RAIN IN THE
MORNING.
* MAX TEMPERATURE.......59-69.
* MIN HUMIDITY..........74-89 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..SOUTHWEST WINDS 4 TO 7 MPH.
* RIDGES/UPR SLOPES...SOUTHWEST WINDS 4 TO 7 MPH.
* MIXING HEIGHT.........900-1900 FT AGL.
* TRANSPORT WINDS.......SOUTHWEST AROUND 10 MPH.
* CWR (>0.25)...........10 PERCENT.
* CHANCE OF LIGHTNING...4 PERCENT.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 50S. SOUTHWEST WINDS
3 TO 6 MPH.
MONDAY
PARTLY SUNNY. HIGHS IN THE MID 60S. LIGHT WINDS BECOMING
WEST AROUND 3 MPH IN THE AFTERNOON.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S. NORTHWEST
WINDS AROUND 3 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS 64 TO 74. NORTH WINDS AROUND 3 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 50S. NORTH WINDS
AROUND 4 MPH.
WEDNESDAY
SUNNY. HIGHS 69 TO 79. NORTHEAST WINDS AROUND 3 MPH.
THURSDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS 70 TO 80.
FRIDAY
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS AROUND 70.
.8 TO 14 DAY OUTLOOK FOR SEP 19 - 25 2026
ABOVE NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
WAZ650-121130-
NORTH COASTAL LOWLANDS-
200 PM PDT FRI SEP 11 2026
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY.
* MIN TEMPERATURE.......48-58.
* MAX HUMIDITY..........80-95 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..LIGHT WINDS.
* RIDGES/UPR SLOPES...LIGHT WINDS.
* MIXING HEIGHT.........400-1200 FT AGL.
* TRANSPORT WINDS.......NORTHWEST AROUND 5 MPH SHIFTING TO THE
NORTHEAST AFTER MIDNIGHT.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...2 PERCENT.
SATURDAY
* SKY/WEATHER...........MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN IN THE
AFTERNOON.
* MAX TEMPERATURE.......60-70.
* MIN HUMIDITY..........61-76 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..LIGHT WINDS.
* RIDGES/UPR SLOPES...LIGHT WINDS.
* MIXING HEIGHT.........800-1800 FT AGL.
* TRANSPORT WINDS.......EAST AROUND 5 MPH SHIFTING TO THE WEST IN
THE AFTERNOON.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...16 PERCENT.
SATURDAY NIGHT
* SKY/WEATHER...........MOSTLY CLOUDY. PATCHY FOG THROUGH THE
NIGHT. SHOWERS LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
EVENING. CHANCE OF RAIN AFTER MIDNIGHT.
* MIN TEMPERATURE.......47-57.
* MAX HUMIDITY..........80-95 PERCENT...EXCEPT 87-100 PERCENT
RIDGES.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..SOUTHWEST WINDS 3 TO 4 MPH.
* RIDGES/UPR SLOPES...SOUTHWEST WINDS 3 TO 4 MPH.
* MIXING HEIGHT.........400-900 FT AGL.
* TRANSPORT WINDS.......WEST AROUND 5 MPH.
* CWR (>0.25)...........30 PERCENT.
* CHANCE OF LIGHTNING...16 PERCENT.
SUNDAY
* SKY/WEATHER...........MOSTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
PATCHY FOG IN THE MORNING. CHANCE OF RAIN IN THE MORNING.
* MAX TEMPERATURE.......57-67.
* MIN HUMIDITY..........67-82 PERCENT...EXCEPT 72-87 PERCENT
RIDGES.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..SOUTHWEST WINDS 3 TO 6 MPH.
* RIDGES/UPR SLOPES...SOUTHWEST WINDS 3 TO 6 MPH.
* MIXING HEIGHT.........900-1900 FT AGL.
* TRANSPORT WINDS.......SOUTHWEST AROUND 10 MPH.
* CWR (>0.25)...........10 PERCENT.
* CHANCE OF LIGHTNING...3 PERCENT.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 50S. SOUTHWEST WINDS
3 TO 5 MPH.
MONDAY
PARTLY SUNNY. HIGHS IN THE MID 60S. LIGHT WINDS.
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 50. LIGHT WINDS.
TUESDAY
WARMER. MOSTLY SUNNY. HIGHS 66 TO 76. LIGHT WINDS.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 50S. LIGHT WINDS.
WEDNESDAY
WARMER, SUNNY. HIGHS 72 TO 82. LIGHT WINDS.
THURSDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS 74 TO 84.
FRIDAY
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS 69 TO 79.
.8 TO 14 DAY OUTLOOK FOR SEP 19 - 25 2026
ABOVE NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
WAZ651-121130-
CENTRAL COASTAL LOWLANDS-
200 PM PDT FRI SEP 11 2026
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY.
* MIN TEMPERATURE.......AROUND 51.
* MAX HUMIDITY..........81-96 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..LIGHT WINDS.
* RIDGES/UPR SLOPES...LIGHT WINDS.
* MIXING HEIGHT.........300-1300 FT AGL.
* TRANSPORT WINDS.......WEST AROUND 5 MPH SHIFTING TO THE NORTHEAST
AFTER MIDNIGHT.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...1 PERCENT.
SATURDAY
* SKY/WEATHER...........MOSTLY CLOUDY. CHANCE OF RAIN IN THE
AFTERNOON.
* MAX TEMPERATURE.......60-70.
* MIN HUMIDITY..........61-76 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..LIGHT WINDS.
* RIDGES/UPR SLOPES...LIGHT WINDS.
* MIXING HEIGHT.........600 FT AGL INCREASING TO 2600 FT AGL IN THE
AFTERNOON.
* TRANSPORT WINDS.......EAST AROUND 5 MPH SHIFTING TO THE SOUTHWEST
IN THE AFTERNOON.
* CWR (>0.25)...........5 PERCENT.
* CHANCE OF LIGHTNING...15 PERCENT.
SATURDAY NIGHT
* SKY/WEATHER...........CLOUDY. SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN RAIN LIKELY AFTER MIDNIGHT.
* MIN TEMPERATURE.......46-56.
* MAX HUMIDITY..........93-100 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..WEST WINDS 3 TO 5 MPH.
* RIDGES/UPR SLOPES...LIGHT WINDS BECOMING WEST AROUND 5 MPH AFTER
MIDNIGHT.
* MIXING HEIGHT.........500-1000 FT AGL.
* TRANSPORT WINDS.......WEST AROUND 5 MPH.
* CWR (>0.25)...........55 PERCENT.
* CHANCE OF LIGHTNING...15 PERCENT.
SUNDAY
* SKY/WEATHER...........MOSTLY CLOUDY. CHANCE OF RAIN IN THE
MORNING, THEN SLIGHT CHANCE OF RAIN IN THE AFTERNOON.
* MAX TEMPERATURE.......56-66.
* MIN HUMIDITY..........72-87 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..SOUTHWEST WINDS 4 TO 7 MPH.
* RIDGES/UPR SLOPES...SOUTHWEST WINDS 4 TO 7 MPH.
* MIXING HEIGHT.........1000-2000 FT AGL.
* TRANSPORT WINDS.......WEST 10 TO 15 MPH.
* CWR (>0.25)...........20 PERCENT.
* CHANCE OF LIGHTNING...6 PERCENT.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 50S. SOUTHWEST WINDS
3 TO 6 MPH.
MONDAY...PARTLY SUNNY. HIGHS IN THE UPPER 60S VALLEYS
IN THE
LOWER 60S RIDGES. SOUTHWEST WINDS 3 TO 4 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. LIGHT WINDS.
TUESDAY...WARMER. MOSTLY SUNNY. HIGHS 69 TO 79 VALLEYS
62 TO
72 RIDGES. LIGHT WINDS.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 50. LIGHT WINDS.
WEDNESDAY...WARMER, SUNNY. HIGHS 77 TO 87 VALLEYS
70 TO
80 RIDGES. NORTHEAST WINDS AROUND 3 MPH.
THURSDAY
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS 78 TO
88 VALLEYS...71 TO 81 RIDGES.
FRIDAY
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS 72 TO
82 VALLEYS...66 TO 76 RIDGES.
.8 TO 14 DAY OUTLOOK FOR SEP 19 - 25 2026
ABOVE NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
WAZ652-121130-
WEST PORTION OF THE OLYMPIC MOUNTAINS-
200 PM PDT FRI SEP 11 2026
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY.
* MIN TEMPERATURE.......42-52.
* MAX HUMIDITY..........78-93 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..DOWNSLOPE/DOWNVALLEY AROUND 2 MPH.
* RIDGES/UPR SLOPES...LIGHT WINDS.
* MIXING HEIGHT.........400-1200 FT AGL.
* TRANSPORT WINDS.......NORTHWEST AROUND 5 MPH SHIFTING TO THE EAST
AFTER MIDNIGHT.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...2 PERCENT.
* FREEZING LEVEL........9000 FEET.
SATURDAY
* SKY/WEATHER...........MOSTLY CLOUDY. SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON.
* MAX TEMPERATURE.......57-67...EXCEPT 53-63 RIDGES.
* MIN HUMIDITY..........58-73 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..UPSLOPE/UPVALLEY AROUND 2 MPH.
* RIDGES/UPR SLOPES...LIGHT WINDS.
* MIXING HEIGHT.........1000-2000 FT AGL.
* TRANSPORT WINDS.......SOUTHEAST AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...18 PERCENT.
* FREEZING LEVEL........8500 FEET.
SATURDAY NIGHT
* SKY/WEATHER...........MOSTLY CLOUDY. SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN CHANCE OF RAIN AFTER MIDNIGHT.
* MIN TEMPERATURE.......42-52.
* MAX HUMIDITY..........80-95 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..DOWNSLOPE/DOWNVALLEY AROUND 2 MPH.
* RIDGES/UPR SLOPES...LIGHT WINDS BECOMING WEST AROUND 3 MPH AFTER
MIDNIGHT.
* MIXING HEIGHT.........400-900 FT AGL.
* TRANSPORT WINDS.......WEST AROUND 5 MPH.
* CWR (>0.25)...........45 PERCENT.
* CHANCE OF LIGHTNING...18 PERCENT.
* FREEZING LEVEL........8500 FEET.
SUNDAY
* SKY/WEATHER...........MOSTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
CHANCE OF RAIN IN THE MORNING, THEN SLIGHT CHANCE OF RAIN IN THE
AFTERNOON.
* MAX TEMPERATURE.......55-65...EXCEPT 50-60 RIDGES.
* MIN HUMIDITY..........70-85 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..UPSLOPE/UPVALLEY 3 TO 5 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)...........15 PERCENT.
* CHANCE OF LIGHTNING...4 PERCENT.
* FREEZING LEVEL........9000 FEET.
SUNDAY NIGHT
PARTLY CLOUDY. FREEZING LEVEL 10500 FEET. LOWS 43 TO
53. SOUTHWEST WINDS 4 TO 7 MPH.
MONDAY
MOSTLY SUNNY. FREEZING LEVEL 11500 FEET. HIGHS 54 TO 64.
LIGHT WINDS BECOMING WEST AROUND 3 MPH IN THE AFTERNOON.
MONDAY NIGHT
PARTLY CLOUDY. FREEZING LEVEL 12000 FEET. LOWS 41 TO
51. LIGHT WINDS.
TUESDAY
WARMER. MOSTLY SUNNY. FREEZING LEVEL 10500 FEET. HIGHS
62 TO 72 VALLEYS...57 TO 67 RIDGES. NORTHWEST WINDS AROUND 3 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. FREEZING LEVEL 12000 FEET. LOWS 45 TO
55. NORTH WINDS AROUND 4 MPH.
WEDNESDAY
WARMER, SUNNY. FREEZING LEVEL 12500 FEET. HIGHS 69 TO
79 VALLEYS...64 TO 74 RIDGES. NORTH WINDS AROUND 4 MPH.
THURSDAY
CLEAR. FREEZING LEVEL 14500 FEET. LOWS IN THE MID 50S.
HIGHS 71 TO 81 VALLEYS...66 TO 76 RIDGES.
FRIDAY
MOSTLY CLEAR. FREEZING LEVEL 14500 FEET. LOWS IN THE MID
50S. HIGHS 66 TO 76.
.8 TO 14 DAY OUTLOOK FOR SEP 19 - 25 2026
ABOVE NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
WAZ661-121130-
EAST PORTION OF THE OLYMPIC MOUNTAINS-
200 PM PDT FRI SEP 11 2026
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY.
* MIN TEMPERATURE.......44-54...EXCEPT 41-51 RIDGES.
* MAX HUMIDITY..........78-93 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..DOWNSLOPE/DOWNVALLEY 1 TO 2 MPH.
* RIDGES/UPR SLOPES...LIGHT WINDS.
* MIXING HEIGHT.........400-1100 FT AGL.
* TRANSPORT WINDS.......EAST AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...2 PERCENT.
* FREEZING LEVEL........9000 FEET.
SATURDAY
* SKY/WEATHER...........MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN IN THE
AFTERNOON.
* MAX TEMPERATURE.......59-69...EXCEPT 52-62 RIDGES.
* MIN HUMIDITY..........58-73 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..UPSLOPE/UPVALLEY 1 TO 2 MPH.
* RIDGES/UPR SLOPES...EAST WINDS 3 TO 4 MPH.
* MIXING HEIGHT.........1100-2100 FT AGL.
* TRANSPORT WINDS.......EAST AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...15 PERCENT.
* FREEZING LEVEL........9000 FEET.
SATURDAY NIGHT
* SKY/WEATHER...........MOSTLY CLOUDY. SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN CHANCE OF RAIN AFTER MIDNIGHT.
* MIN TEMPERATURE.......41-51.
* MAX HUMIDITY..........78-93 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..DOWNSLOPE/DOWNVALLEY 3 TO 5 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)...........50 PERCENT.
* CHANCE OF LIGHTNING...15 PERCENT.
* FREEZING LEVEL........8500 FEET.
SUNDAY
* SKY/WEATHER...........MOSTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
CHANCE OF RAIN IN THE MORNING, THEN SLIGHT CHANCE OF RAIN IN THE
AFTERNOON.
* MAX TEMPERATURE.......56-66...EXCEPT 50-60 RIDGES.
* MIN HUMIDITY..........67-82 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..WEST WINDS 5 TO 8 MPH.
* RIDGES/UPR SLOPES...WEST WINDS 5 TO 8 MPH.
* MIXING HEIGHT.........1000-2000 FT AGL.
* TRANSPORT WINDS.......WEST AROUND 10 MPH.
* CWR (>0.25)...........20 PERCENT.
* CHANCE OF LIGHTNING...4 PERCENT.
* FREEZING LEVEL........9000 FEET.
SUNDAY NIGHT
PARTLY CLOUDY. FREEZING LEVEL 10500 FEET. LOWS 43 TO
53 VALLEYS...36 TO 46 RIDGES. WEST WINDS 5 TO 8 MPH.
MONDAY
MOSTLY SUNNY. FREEZING LEVEL 11000 FEET. HIGHS 57 TO
67 VALLEYS...49 TO 59 RIDGES. WEST WINDS 3 TO 5 MPH.
MONDAY NIGHT
PARTLY CLOUDY. FREEZING LEVEL 12000 FEET. LOWS IN
THE UPPER 40S VALLEYS...38 TO 48 RIDGES. LIGHT WINDS.
TUESDAY
MOSTLY SUNNY. FREEZING LEVEL 10000 FEET. HIGHS 61 TO
71 VALLEYS...54 TO 64 RIDGES. NORTHWEST WINDS AROUND 3 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. FREEZING LEVEL 11500 FEET. LOWS 44 TO
54. NORTHWEST WINDS AROUND 4 MPH.
WEDNESDAY
WARMER, SUNNY. FREEZING LEVEL 12500 FEET. HIGHS 68 TO
78 VALLEYS...61 TO 71 RIDGES. NORTH WINDS AROUND 4 MPH.
THURSDAY
CLEAR. FREEZING LEVEL 14000 FEET. LOWS 48 TO 58. HIGHS
71 TO 81 VALLEYS...64 TO 74 RIDGES.
FRIDAY
MOSTLY CLEAR. FREEZING LEVEL 14500 FEET. LOWS 49 TO 59.
HIGHS 69 TO 79 VALLEYS...62 TO 72 RIDGES.
.8 TO 14 DAY OUTLOOK FOR SEP 19 - 25 2026
ABOVE NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
WAZ653-121130-
STRAIT OF JUAN DE FUCA AND NORTHWEST INTERIOR LOWLANDS-
200 PM PDT FRI SEP 11 2026
TONIGHT
* SKY/WEATHER...........CLOUDY.
* MIN TEMPERATURE.......47-57.
* MAX HUMIDITY..........81-96 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...1 PERCENT.
SATURDAY
* SKY/WEATHER...........MOSTLY CLOUDY.
* MAX TEMPERATURE.......64-74.
* MIN HUMIDITY..........56-71 PERCENT.
* 20-FOOT WINDS.........LIGHT WINDS BECOMING NORTHWEST AROUND 5 MPH
IN THE AFTERNOON.
* MIXING HEIGHT.........500-1000 FT AGL.
* TRANSPORT WINDS.......NORTHWEST AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...6 PERCENT.
SATURDAY NIGHT
* SKY/WEATHER...........MOSTLY CLOUDY. CHANCE OF RAIN.
* MIN TEMPERATURE.......47-57.
* MAX HUMIDITY..........78-93 PERCENT.
* 20-FOOT WINDS.........SOUTHWEST WINDS 4 TO 7 MPH.
* MIXING HEIGHT.........400-500 FT AGL.
* TRANSPORT WINDS.......SOUTHWEST 5 TO 10 MPH.
* CWR (>0.25)...........15 PERCENT.
* CHANCE OF LIGHTNING...7 PERCENT.
SUNDAY
* SKY/WEATHER...........PARTLY SUNNY. CHANCE OF RAIN IN THE
MORNING, THEN SLIGHT CHANCE OF RAIN IN THE AFTERNOON.
* MAX TEMPERATURE.......63-73.
* MIN HUMIDITY..........63-78 PERCENT.
* 20-FOOT WINDS.........SOUTH WINDS 5 TO 8 MPH.
* MIXING HEIGHT.........600-1500 FT AGL.
* TRANSPORT WINDS.......SOUTH AROUND 10 MPH.
* CWR (>0.25)...........15 PERCENT.
* CHANCE OF LIGHTNING...3 PERCENT.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 48 TO 58. SOUTH WINDS 5 TO
8 MPH.
MONDAY
PARTLY SUNNY. HIGHS 63 TO 73. SOUTH WINDS 3 TO 5 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S. LIGHT WINDS.
TUESDAY
MOSTLY SUNNY. HIGHS 65 TO 75. NORTHWEST WINDS AROUND
4 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 50S. LIGHT WINDS.
WEDNESDAY
SUNNY. HIGHS 69 TO 79. NORTH WINDS AROUND 4 MPH.
THURSDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS 70 TO 80.
FRIDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS 69 TO 79.
.8 TO 14 DAY OUTLOOK FOR SEP 19 - 25 2026
ABOVE NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
WAZ654-121130-
CENTRAL AND SOUTH PUGET SOUND LOWLANDS-
200 PM PDT FRI SEP 11 2026
TONIGHT
* SKY/WEATHER...........CLOUDY.
* MIN TEMPERATURE.......48-58.
* MAX HUMIDITY..........77-92 PERCENT.
* 20-FOOT WINDS.........LIGHT WINDS.
* MIXING HEIGHT.........500-1500 FT AGL.
* TRANSPORT WINDS.......WEST AROUND 5 MPH SHIFTING TO THE NORTH
AFTER MIDNIGHT.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
SATURDAY
* SKY/WEATHER...........MOSTLY CLOUDY. CHANCE OF RAIN IN THE
AFTERNOON.
* MAX TEMPERATURE.......63-73.
* MIN HUMIDITY..........59-74 PERCENT.
* 20-FOOT WINDS.........LIGHT WINDS BECOMING NORTHWEST AROUND 3 MPH
IN THE AFTERNOON.
* MIXING HEIGHT.........1200-2200 FT AGL.
* TRANSPORT WINDS.......NORTHEAST AROUND 5 MPH SHIFTING TO THE WEST
IN THE AFTERNOON.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...12 PERCENT.
SATURDAY NIGHT
* SKY/WEATHER...........CLOUDY. RAIN LIKELY IN THE EVENING, THEN
CHANCE OF RAIN AFTER MIDNIGHT.
* MIN TEMPERATURE.......48-58.
* MAX HUMIDITY..........82-97 PERCENT.
* 20-FOOT WINDS.........SOUTHWEST WINDS 5 TO 8 MPH.
* MIXING HEIGHT.........600-1000 FT AGL.
* TRANSPORT WINDS.......SOUTHWEST 5 TO 10 MPH.
* CWR (>0.25)...........55 PERCENT.
* CHANCE OF LIGHTNING...12 PERCENT.
SUNDAY
* SKY/WEATHER...........PARTLY SUNNY. CHANCE OF RAIN IN THE
MORNING, THEN SLIGHT CHANCE OF RAIN IN THE AFTERNOON.
* MAX TEMPERATURE.......60-70.
* MIN HUMIDITY..........69-84 PERCENT.
* 20-FOOT WINDS.........SOUTHWEST WINDS 7 TO 10 MPH.
* MIXING HEIGHT.........1000-2000 FT AGL.
* TRANSPORT WINDS.......SOUTHWEST 10 TO 15 MPH.
* CWR (>0.25)...........30 PERCENT.
* CHANCE OF LIGHTNING...5 PERCENT.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 48 TO 58. SOUTHWEST WINDS 9 TO
12 MPH.
MONDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. SOUTH WINDS 3 TO
5 MPH.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 46 TO 56. NORTH WINDS AROUND
3 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS 67 TO 77. NORTH WINDS AROUND 5 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 50S. NORTH WINDS
AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS 72 TO 82. NORTHEAST WINDS AROUND 6 MPH.
THURSDAY
CLEAR. LOWS IN THE MID 50S. HIGHS 74 TO 84.
FRIDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE UPPER 70S.
.8 TO 14 DAY OUTLOOK FOR SEP 19 - 25 2026
ABOVE NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
WAZ655-121130-
BLACK HILLS AND SOUTHWEST INTERIOR LOWLANDS-
200 PM PDT FRI SEP 11 2026
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY.
* MIN TEMPERATURE.......46-56.
* MAX HUMIDITY..........72-87 PERCENT.
* 20-FOOT WINDS.........LIGHT WINDS.
* MIXING HEIGHT.........500-1500 FT AGL.
* TRANSPORT WINDS.......WEST AROUND 5 MPH SHIFTING TO THE NORTH
AFTER MIDNIGHT.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
SATURDAY
* SKY/WEATHER...........MOSTLY CLOUDY. CHANCE OF RAIN IN THE
AFTERNOON.
* MAX TEMPERATURE.......63-73.
* MIN HUMIDITY..........51-66 PERCENT.
* 20-FOOT WINDS.........LIGHT WINDS.
* MIXING HEIGHT.........600 FT AGL INCREASING TO 3100 FT AGL IN THE
AFTERNOON.
* TRANSPORT WINDS.......SOUTHEAST AROUND 5 MPH SHIFTING TO THE
SOUTHWEST IN THE AFTERNOON.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...13 PERCENT.
SATURDAY NIGHT
* SKY/WEATHER...........CLOUDY. PATCHY FOG IN THE EVENING. RAIN
LIKELY IN THE EVENING, THEN RAIN AFTER MIDNIGHT.
* MIN TEMPERATURE.......45-55.
* MAX HUMIDITY..........89-100 PERCENT.
* 20-FOOT WINDS.........LIGHT WINDS BECOMING SOUTHWEST AROUND 4 MPH
AFTER MIDNIGHT.
* MIXING HEIGHT.........500-1100 FT AGL.
* TRANSPORT WINDS.......WEST 5 TO 10 MPH.
* CWR (>0.25)...........65 PERCENT.
* CHANCE OF LIGHTNING...13 PERCENT.
SUNDAY
* SKY/WEATHER...........MOSTLY CLOUDY. RAIN LIKELY IN THE MORNING,
THEN SLIGHT CHANCE OF RAIN IN THE AFTERNOON.
* MAX TEMPERATURE.......56-66.
* MIN HUMIDITY..........73-88 PERCENT.
* 20-FOOT WINDS.........SOUTHWEST WINDS 6 TO 9 MPH.
* MIXING HEIGHT.........900-1900 FT AGL.
* TRANSPORT WINDS.......SOUTHWEST 10 TO 15 MPH.
* CWR (>0.25)...........40 PERCENT.
* CHANCE OF LIGHTNING...6 PERCENT.
SUNDAY NIGHT
MOSTLY CLOUDY. PATCHY FOG AFTER MIDNIGHT. LOWS IN
THE LOWER 50S. SOUTHWEST WINDS 4 TO 7 MPH.
MONDAY
PARTLY SUNNY. PATCHY FOG IN THE MORNING. HIGHS IN THE
UPPER 60S. SOUTH WINDS AROUND 3 MPH IN THE MORNING BECOMING LIGHT.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. LIGHT WINDS.
TUESDAY
WARMER. MOSTLY SUNNY. HIGHS 70 TO 80. LIGHT WINDS.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 50. LIGHT WINDS.
WEDNESDAY
WARMER, SUNNY. HIGHS 77 TO 87. NORTHEAST WINDS AROUND
3 MPH.
THURSDAY
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS 80 TO 90.
FRIDAY
MOSTLY CLEAR. LOWS 49 TO 59. HIGHS IN THE LOWER 80S.
.8 TO 14 DAY OUTLOOK FOR SEP 19 - 25 2026
ABOVE NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
WAZ656-121130-
NORTHEAST PUGET SOUND LOWLANDS GENERALLY BELOW 1500 FEET-
200 PM PDT FRI SEP 11 2026
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY.
* MIN TEMPERATURE.......46-56.
* MAX HUMIDITY..........70-85 PERCENT.
* 20-FOOT WINDS.........LIGHT WINDS.
* MIXING HEIGHT.........300-1200 FT AGL.
* TRANSPORT WINDS.......NORTHWEST AROUND 5 MPH SHIFTING TO THE
NORTH AFTER MIDNIGHT.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...1 PERCENT.
SATURDAY
* SKY/WEATHER...........MOSTLY CLOUDY.
* MAX TEMPERATURE.......65-75.
* MIN HUMIDITY..........44-59 PERCENT.
* 20-FOOT WINDS.........LIGHT WINDS BECOMING WEST AROUND 3 MPH IN
THE AFTERNOON.
* MIXING HEIGHT.........1100-2100 FT AGL.
* TRANSPORT WINDS.......NORTHEAST AROUND 5 MPH SHIFTING TO THE WEST
IN THE AFTERNOON.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...5 PERCENT.
SATURDAY NIGHT
* SKY/WEATHER...........MOSTLY CLOUDY. CHANCE OF RAIN.
* MIN TEMPERATURE.......43-53.
* MAX HUMIDITY..........78-93 PERCENT.
* 20-FOOT WINDS.........SOUTHWEST WINDS 3 TO 5 MPH.
* MIXING HEIGHT.........500-900 FT AGL.
* TRANSPORT WINDS.......SOUTHWEST AROUND 5 MPH.
* CWR (>0.25)...........20 PERCENT.
* CHANCE OF LIGHTNING...5 PERCENT.
SUNDAY
* SKY/WEATHER...........PARTLY SUNNY. CHANCE OF RAIN.
* MAX TEMPERATURE.......55-65.
* MIN HUMIDITY..........65-80 PERCENT.
* 20-FOOT WINDS.........SOUTH WINDS 3 TO 5 MPH.
* MIXING HEIGHT.........900-1900 FT AGL.
* TRANSPORT WINDS.......SOUTH 5 TO 10 MPH.
* CWR (>0.25)...........35 PERCENT.
* CHANCE OF LIGHTNING...6 PERCENT.
SUNDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN IN THE EVENING, THEN
SLIGHT CHANCE OF RAIN AFTER MIDNIGHT. LOWS IN THE LOWER 50S. SOUTH
WINDS 5 TO 8 MPH.
MONDAY
WARMER. PARTLY SUNNY. HIGHS 63 TO 73. SOUTH WINDS AROUND
3 MPH IN THE MORNING BECOMING LIGHT.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 50. LIGHT WINDS.
TUESDAY
WARMER. MOSTLY SUNNY. HIGHS 69 TO 79. LIGHT WINDS.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 50S. NORTHEAST
WINDS AROUND 3 MPH.
WEDNESDAY
SUNNY. HIGHS 74 TO 84. NORTH WINDS AROUND 3 MPH.
THURSDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS 77 TO 87.
FRIDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS 76 TO 86.
.8 TO 14 DAY OUTLOOK FOR SEP 19 - 25 2026
ABOVE NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
WAZ657-121130-
SOUTHEAST PUGET SOUND LOWLANDS GENERALLY BELOW 1500 FEET-
200 PM PDT FRI SEP 11 2026
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY.
* MIN TEMPERATURE.......46-56.
* MAX HUMIDITY..........74-89 PERCENT.
* 20-FOOT WINDS.........LIGHT WINDS.
* MIXING HEIGHT.........500-1500 FT AGL.
* TRANSPORT WINDS.......NORTHWEST AROUND 5 MPH SHIFTING TO THE
NORTH AFTER MIDNIGHT.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
SATURDAY
* SKY/WEATHER...........MOSTLY CLOUDY. CHANCE OF RAIN IN THE
AFTERNOON.
* MAX TEMPERATURE.......64-74.
* MIN HUMIDITY..........50-65 PERCENT.
* 20-FOOT WINDS.........LIGHT WINDS.
* MIXING HEIGHT.........600 FT AGL INCREASING TO 2700 FT AGL IN THE
AFTERNOON.
* TRANSPORT WINDS.......LIGHT WINDS BECOMING WEST AROUND 5 MPH IN
THE AFTERNOON.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...9 PERCENT.
SATURDAY NIGHT
* SKY/WEATHER...........CLOUDY. RAIN LIKELY IN THE EVENING, THEN
RAIN AFTER MIDNIGHT.
* MIN TEMPERATURE.......46-56.
* MAX HUMIDITY..........90-100 PERCENT.
* 20-FOOT WINDS.........LIGHT WINDS BECOMING SOUTHWEST AROUND 4 MPH
AFTER MIDNIGHT.
* MIXING HEIGHT.........800-1100 FT AGL.
* TRANSPORT WINDS.......SOUTHWEST AROUND 5 MPH.
* CWR (>0.25)...........70 PERCENT.
* CHANCE OF LIGHTNING...9 PERCENT.
SUNDAY
* SKY/WEATHER...........MOSTLY CLOUDY. RAIN IN THE MORNING, THEN
CHANCE OF RAIN IN THE AFTERNOON.
* MAX TEMPERATURE.......56-66.
* MIN HUMIDITY..........75-90 PERCENT.
* 20-FOOT WINDS.........SOUTH WINDS 4 TO 7 MPH.
* MIXING HEIGHT.........1100-1800 FT AGL.
* TRANSPORT WINDS.......SOUTHWEST 10 TO 15 MPH.
* CWR (>0.25)...........65 PERCENT.
* CHANCE OF LIGHTNING...7 PERCENT.
SUNDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN IN THE EVENING. LOWS
48 TO 58. SOUTH WINDS 5 TO 8 MPH.
MONDAY
WARMER. MOSTLY CLOUDY. PATCHY FOG IN THE MORNING. HIGHS
64 TO 74. SOUTH WINDS AROUND 3 MPH IN THE MORNING BECOMING LIGHT.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 44 TO 54. LIGHT WINDS.
TUESDAY
PARTLY SUNNY. HIGHS IN THE LOWER 70S. LIGHT WINDS.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 46 TO 56. LIGHT WINDS.
WEDNESDAY
SUNNY. HIGHS IN THE UPPER 70S. LIGHT WINDS.
THURSDAY
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE LOWER
80S.
FRIDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS AROUND 80.
.8 TO 14 DAY OUTLOOK FOR SEP 19 - 25 2026
ABOVE NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
WAZ658-121130-
WEST SLOPES OF THE NORTH CASCADES GENERALLY ABOVE 1500 FEET-
200 PM PDT FRI SEP 11 2026
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY.
* MIN TEMPERATURE.......46-56...EXCEPT 40-50 RIDGES.
* MAX HUMIDITY..........61-76 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..DOWNSLOPE/DOWNVALLEY 2 TO 3 MPH.
* RIDGES/UPR SLOPES...LIGHT WINDS BECOMING EAST AROUND 6 MPH AFTER
MIDNIGHT.
* MIXING HEIGHT.........400-1200 FT AGL.
* TRANSPORT WINDS.......NORTH AROUND 5 MPH SHIFTING TO THE EAST
AFTER MIDNIGHT.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...1 PERCENT.
* FREEZING LEVEL........9500 FEET.
SATURDAY
* SKY/WEATHER...........PARTLY SUNNY.
* MAX TEMPERATURE.......63-73...EXCEPT 57-67 RIDGES.
* MIN HUMIDITY..........39-54 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..UPSLOPE/UPVALLEY AROUND 3 MPH.
* RIDGES/UPR SLOPES...EAST WINDS 3 TO 6 MPH.
* MIXING HEIGHT.........900 FT AGL INCREASING TO 4600 FT AGL IN THE
AFTERNOON.
* TRANSPORT WINDS.......EAST AROUND 10 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...3 PERCENT.
* FREEZING LEVEL........9500 FEET.
SATURDAY NIGHT
* SKY/WEATHER...........MOSTLY CLOUDY. CHANCE OF RAIN AFTER
MIDNIGHT.
* MIN TEMPERATURE.......43-53...EXCEPT 39-49 RIDGES.
* MAX HUMIDITY..........74-89 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..DOWNSLOPE/DOWNVALLEY AROUND 3 MPH.
* RIDGES/UPR SLOPES...NORTHWEST WINDS 3 TO 6 MPH.
* MIXING HEIGHT.........400-1400 FT AGL.
* TRANSPORT WINDS.......NORTHEAST AROUND 5 MPH SHIFTING TO THE
NORTHWEST AFTER MIDNIGHT.
* CWR (>0.25)...........15 PERCENT.
* CHANCE OF LIGHTNING...4 PERCENT.
* FREEZING LEVEL........9500 FEET.
SUNDAY
* SKY/WEATHER...........PARTLY SUNNY. CHANCE OF RAIN.
* MAX TEMPERATURE.......53-63...EXCEPT 47-57 RIDGES.
* MIN HUMIDITY..........67-82 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..UPSLOPE/UPVALLEY 3 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)...........40 PERCENT.
* CHANCE OF LIGHTNING...7 PERCENT.
* FREEZING LEVEL........8500 FEET.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN. FREEZING LEVEL
8500 FEET. LOWS 45 TO 55 VALLEYS...39 TO 49 RIDGES. SOUTHWEST WINDS
5 TO 8 MPH.
MONDAY
PARTLY SUNNY. FREEZING LEVEL 9000 FEET. HIGHS 57 TO
67 VALLEYS...50 TO 60 RIDGES. WEST WINDS 3 TO 5 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. FREEZING LEVEL 10500 FEET. LOWS IN
THE UPPER 40S VALLEYS...IN THE LOWER 40S RIDGES. NORTHWEST WINDS
AROUND 3 MPH.
TUESDAY
WARMER. MOSTLY SUNNY. FREEZING LEVEL 9000 FEET. HIGHS
64 TO 74 VALLEYS...56 TO 66 RIDGES. NORTHWEST WINDS AROUND 4 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. FREEZING LEVEL 10000 FEET. LOWS IN
THE UPPER 40S VALLEYS...39 TO 49 RIDGES. NORTH WINDS AROUND 5 MPH.
WEDNESDAY
WARMER, SUNNY. FREEZING LEVEL 11500 FEET. HIGHS 70 TO
80 VALLEYS...62 TO 72 RIDGES. NORTH WINDS AROUND 4 MPH.
THURSDAY
MOSTLY CLEAR. FREEZING LEVEL 13500 FEET. LOWS 48 TO
58 VALLEYS...43 TO 53 RIDGES. HIGHS 73 TO 83 VALLEYS...66 TO
76 RIDGES.
FRIDAY
MOSTLY CLEAR. FREEZING LEVEL 14000 FEET. LOWS 50 TO
60 VALLEYS...45 TO 55 RIDGES. HIGHS 72 TO 82 VALLEYS...65 TO
75 RIDGES.
.8 TO 14 DAY OUTLOOK FOR SEP 19 - 25 2026
ABOVE NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
WAZ659-121130-
WEST SLOPES OF THE CENTRAL CASCADES GENERALLY ABOVE 1500 FEET-
200 PM PDT FRI SEP 11 2026
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY.
* MIN TEMPERATURE.......45-55...EXCEPT 39-49 RIDGES.
* MAX HUMIDITY..........64-79 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..DOWNSLOPE/DOWNVALLEY AROUND 1 MPH.
* RIDGES/UPR SLOPES...LIGHT WINDS BECOMING EAST AROUND 3 MPH AFTER
MIDNIGHT.
* MIXING HEIGHT.........300-1200 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........10000 FEET.
SATURDAY
* SKY/WEATHER...........MOSTLY CLOUDY. CHANCE OF RAIN IN THE
AFTERNOON.
* MAX TEMPERATURE.......63-73...EXCEPT 51-61 RIDGES.
* MIN HUMIDITY..........47-62 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..UPSLOPE/UPVALLEY 1 TO 2 MPH.
* RIDGES/UPR SLOPES...SOUTHEAST WINDS AROUND 3 MPH SHIFTING TO THE
WEST IN THE AFTERNOON.
* MIXING HEIGHT.........800 FT AGL INCREASING TO 3400 FT AGL IN THE
AFTERNOON.
* TRANSPORT WINDS.......SOUTHEAST 5 TO 10 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...8 PERCENT.
* FREEZING LEVEL........9500 FEET.
SATURDAY NIGHT
* SKY/WEATHER...........CLOUDY. RAIN.
* MIN TEMPERATURE.......44-54...EXCEPT 35-45 RIDGES.
* MAX HUMIDITY..........78-93 PERCENT...EXCEPT NEAR 100 PERCENT RIDGES.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..DOWNSLOPE/DOWNVALLEY 2 TO 4 MPH.
* RIDGES/UPR SLOPES...WEST WINDS 3 TO 6 MPH.
* MIXING HEIGHT.........800-1100 FT AGL.
* TRANSPORT WINDS.......WEST 5 TO 10 MPH.
* CWR (>0.25)...........90 PERCENT.
* CHANCE OF LIGHTNING...10 PERCENT.
* FREEZING LEVEL........8500 FEET.
SUNDAY
* SKY/WEATHER...........MOSTLY CLOUDY. RAIN IN THE MORNING, THEN
RAIN LIKELY IN THE AFTERNOON.
* MAX TEMPERATURE.......54-64...EXCEPT 40-50 RIDGES.
* MIN HUMIDITY..........73-88 PERCENT...EXCEPT 78-93 PERCENT
RIDGES.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..SOUTHWEST WINDS 5 TO 8 MPH.
* RIDGES/UPR SLOPES...SOUTHWEST WINDS 5 TO 8 MPH.
* MIXING HEIGHT.........1200-1700 FT AGL.
* TRANSPORT WINDS.......SOUTHWEST AROUND 10 MPH.
* CWR (>0.25)...........80 PERCENT.
* CHANCE OF LIGHTNING...7 PERCENT.
* FREEZING LEVEL........7500 FEET.
SUNDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN IN THE EVENING.
FREEZING LEVEL 9000 FEET. LOWS 44 TO 54 VALLEYS...37 TO 47 RIDGES.
SOUTHWEST WINDS 5 TO 8 MPH.
MONDAY
WARMER. PARTLY SUNNY. FREEZING LEVEL 10000 FEET. HIGHS
58 TO 68 VALLEYS...49 TO 59 RIDGES. WEST WINDS 3 TO 5 MPH.
MONDAY NIGHT
PARTLY CLOUDY. FREEZING LEVEL 12000 FEET. LOWS 42 TO
52 VALLEYS...IN THE LOWER 40S RIDGES. LIGHT WINDS.
TUESDAY
WARMER. MOSTLY SUNNY. FREEZING LEVEL 10500 FEET. HIGHS
63 TO 73 VALLEYS...55 TO 65 RIDGES. NORTHWEST WINDS AROUND 3 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. FREEZING LEVEL 10500 FEET. LOWS 45 TO
55 VALLEYS...IN THE MID 40S RIDGES. NORTHEAST WINDS AROUND 4 MPH.
WEDNESDAY
WARMER, SUNNY. FREEZING LEVEL 12000 FEET. HIGHS 70 TO
80 VALLEYS...61 TO 71 RIDGES. EAST WINDS AROUND 4 MPH.
THURSDAY
MOSTLY CLEAR. FREEZING LEVEL 13500 FEET. LOWS 49 TO
59 VALLEYS...44 TO 54 RIDGES. HIGHS 74 TO 84 VALLEYS...65 TO
75 RIDGES.
FRIDAY
MOSTLY CLEAR. FREEZING LEVEL 14000 FEET. LOWS 49 TO 59.
HIGHS 72 TO 82 VALLEYS...64 TO 74 RIDGES.
.8 TO 14 DAY OUTLOOK FOR SEP 19 - 25 2026
ABOVE NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
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