933
FNUS56 KSEW 172150
FWFSEW
FIRE WEATHER PLANNING FORECAST FOR WESTERN WASHINGTON
NATIONAL WEATHER SERVICE SEATTLE WA
250 PM PDT THU SEP 17 2026
DISCUSSION
WARM AND DRY CONDITIONS WILL PERSIST ACROSS WESTERN
WASHINGTON WITH HIGH PRESSURE ALOFT AND A THERMAL TROUGH PUSHING
INLAND TODAY. OFFSHORE FLOW WILL BRING LOW RH VALUES TO PORTIONS OF
THE CASCADES THIS AFTERNOON, BEFORE THE FLOW TRANSITIONS BACK TO
ONSHORE TONIGHT. ONSHORE FLOW WILL THEN BRING COOLER AND WETTER
CONDITIONS TO THE AREA THROUGH THE WEEKEND AND INTO EARLY NEXT WEEK.
FORECAST FOR 20 FOOT WIND SPEED (VALLEYS AND RIDGE TOPS) ARE 10
MINUTE AVERAGES REFLECTING RAWS WINDS.
WAZ649-181315-
NORTH AND CENTRAL COASTAL STRIP-
250 PM PDT THU SEP 17 2026
TONIGHT
* SKY/WEATHER...........PARTLY CLOUDY.
* MIN TEMPERATURE.......49-59.
* MAX HUMIDITY..........92-100 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..LIGHT WINDS.
* RIDGES/UPR SLOPES...LIGHT WINDS BECOMING SOUTH AROUND 3 MPH AFTER
MIDNIGHT.
* MIXING HEIGHT.........500-600 FT AGL.
* TRANSPORT WINDS.......NORTHWEST AROUND 5 MPH SHIFTING TO THE
SOUTH AFTER MIDNIGHT.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
FRIDAY
* SKY/WEATHER...........PARTLY SUNNY.
* MAX TEMPERATURE.......58-68.
* MIN HUMIDITY..........73-88 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..SOUTH WINDS 4 TO 7 MPH.
* RIDGES/UPR SLOPES...SOUTH WINDS 4 TO 7 MPH.
* MIXING HEIGHT.........800-1800 FT AGL.
* TRANSPORT WINDS.......SOUTH AROUND 10 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
FRIDAY NIGHT
* SKY/WEATHER...........MOSTLY CLOUDY.
* MIN TEMPERATURE.......AROUND 54.
* MAX HUMIDITY..........87-NEAR 100 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..SOUTHWEST WINDS UP TO 3 MPH.
* RIDGES/UPR SLOPES...SOUTHWEST WINDS AROUND 3 MPH IN THE EVENING
BECOMING LIGHT.
* MIXING HEIGHT.........500-1000 FT AGL.
* TRANSPORT WINDS.......SOUTHWEST AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
SATURDAY
* SKY/WEATHER...........PARTLY SUNNY.
* MAX TEMPERATURE.......58-68.
* MIN HUMIDITY..........71-86 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.........900-1900 FT AGL.
* TRANSPORT WINDS.......SOUTHWEST AROUND 5 MPH SHIFTING TO THE WEST
IN THE AFTERNOON.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S. NORTHWEST
WINDS 3 TO 6 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS 61 TO 71. NORTHWEST WINDS 3 TO 6 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S. NORTHWEST
WINDS AROUND 5 MPH.
MONDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN IN THE MORNING, THEN
CHANCE OF RAIN IN THE AFTERNOON. HIGHS IN THE MID 60S. WEST WINDS
AROUND 4 MPH.
MONDAY NIGHT
MOSTLY CLOUDY WITH SLIGHT CHANCE OF RAIN. LOWS IN
THE MID 50S. NORTHWEST WINDS AROUND 5 MPH.
TUESDAY
PARTLY SUNNY. SLIGHT CHANCE OF RAIN IN THE MORNING. HIGHS
IN THE MID 60S. NORTHWEST WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN. LOWS IN THE LOWER
50S. HIGHS IN THE MID 60S.
THURSDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN THE LOWER
50S. HIGHS IN THE MID 60S.
.8 TO 14 DAY OUTLOOK FOR SEP 25 - OCT 01, 2026
ABOVE NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.
WAZ650-181315-
NORTH COASTAL LOWLANDS-
250 PM PDT THU SEP 17 2026
TONIGHT
* SKY/WEATHER...........PARTLY CLOUDY.
* MIN TEMPERATURE.......48-58.
* MAX HUMIDITY..........75-90 PERCENT...EXCEPT 82-97 PERCENT
RIDGES.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..LIGHT WINDS.
* RIDGES/UPR SLOPES...LIGHT WINDS BECOMING SOUTH AROUND 3 MPH AFTER
MIDNIGHT.
* MIXING HEIGHT.........400-600 FT AGL.
* TRANSPORT WINDS.......NORTHWEST AROUND 5 MPH SHIFTING TO THE
SOUTH AFTER MIDNIGHT.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
FRIDAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......61-71.
* MIN HUMIDITY..........61-76 PERCENT...EXCEPT 68-83 PERCENT
RIDGES.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..LIGHT WINDS BECOMING SOUTHWEST AROUND 3 MPH
IN THE AFTERNOON.
* RIDGES/UPR SLOPES...SOUTH WINDS 3 TO 5 MPH.
* MIXING HEIGHT.........700-1700 FT AGL.
* TRANSPORT WINDS.......SOUTH AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
FRIDAY NIGHT
* SKY/WEATHER...........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* MIN TEMPERATURE.......48-58.
* MAX HUMIDITY..........82-97 PERCENT...EXCEPT 88-100 PERCENT
RIDGES.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..SOUTHWEST WINDS UP TO 3 MPH.
* RIDGES/UPR SLOPES...SOUTHWEST WINDS AROUND 3 MPH IN THE EVENING
BECOMING LIGHT.
* MIXING HEIGHT.........400-900 FT AGL.
* TRANSPORT WINDS.......SOUTH AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
SATURDAY
* SKY/WEATHER...........PARTLY SUNNY.
* MAX TEMPERATURE.......61-71...EXCEPT 58-68 RIDGES.
* MIN HUMIDITY..........65-80 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.........800-1800 FT AGL.
* TRANSPORT WINDS.......SOUTHEAST AROUND 5 MPH SHIFTING TO THE
SOUTHWEST IN THE AFTERNOON.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS 46 TO 56. NORTHWEST WINDS 3 TO
4 MPH.
SUNDAY
SUNNY. HIGHS 63 TO 73. LIGHT WINDS BECOMING NORTHWEST
AROUND 4 MPH IN THE AFTERNOON.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S. LIGHT WINDS.
MONDAY
PARTLY SUNNY. SLIGHT CHANCE OF RAIN IN THE AFTERNOON.
HIGHS 62 TO 72. LIGHT WINDS.
MONDAY NIGHT
MOSTLY CLOUDY WITH SLIGHT CHANCE OF RAIN. LOWS IN
THE LOWER 50S. LIGHT WINDS.
TUESDAY
PARTLY SUNNY. SLIGHT CHANCE OF RAIN IN THE AFTERNOON.
HIGHS 58 TO 68. LIGHT WINDS.
WEDNESDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN. LOWS IN THE UPPER
40S. HIGHS 59 TO 69.
THURSDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN. LOWS IN THE LOWER
50S. HIGHS IN THE MID 60S.
.8 TO 14 DAY OUTLOOK FOR SEP 25 - OCT 01, 2026
ABOVE NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.
WAZ651-181315-
CENTRAL COASTAL LOWLANDS-
250 PM PDT THU SEP 17 2026
TONIGHT
* SKY/WEATHER...........PARTLY CLOUDY.
* MIN TEMPERATURE.......47-57.
* MAX HUMIDITY..........85-100 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..SOUTHWEST WINDS UP TO 3 MPH.
* RIDGES/UPR SLOPES...SOUTHWEST WINDS UP TO 3 MPH.
* MIXING HEIGHT.........400-700 FT AGL.
* TRANSPORT WINDS.......WEST AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
FRIDAY
* SKY/WEATHER...........PARTLY SUNNY.
* MAX TEMPERATURE.......60-70.
* MIN HUMIDITY..........67-82 PERCENT...EXCEPT 80-85 PERCENT
RIDGES.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..LIGHT WINDS BECOMING SOUTHWEST AROUND 3 MPH
IN THE AFTERNOON.
* RIDGES/UPR SLOPES...LIGHT WINDS BECOMING SOUTHWEST AROUND 3 MPH
IN THE AFTERNOON.
* MIXING HEIGHT.........1000-2000 FT AGL.
* TRANSPORT WINDS.......SOUTHWEST AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
FRIDAY NIGHT
* SKY/WEATHER...........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* MIN TEMPERATURE.......45-55.
* MAX HUMIDITY..........88-100 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..WEST WINDS UP TO 3 MPH.
* RIDGES/UPR SLOPES...WEST WINDS UP TO 3 MPH.
* MIXING HEIGHT.........400-1000 FT AGL.
* TRANSPORT WINDS.......WEST AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
SATURDAY
* SKY/WEATHER...........PARTLY SUNNY.
* MAX TEMPERATURE.......62-72.
* MIN HUMIDITY..........61-76 PERCENT...EXCEPT 72-78 PERCENT
RIDGES.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..LIGHT WINDS.
* RIDGES/UPR SLOPES...LIGHT WINDS.
* MIXING HEIGHT.........900-1900 FT AGL.
* TRANSPORT WINDS.......WEST AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S. WEST WINDS
AROUND 3 MPH IN THE EVENING BECOMING LIGHT.
SUNDAY...MOSTLY SUNNY. HIGHS 67 TO 77 VALLEYS
62 TO 72 RIDGES.
LIGHT WINDS BECOMING WEST AROUND 3 MPH IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 50. LIGHT WINDS.
MONDAY...PARTLY SUNNY. HIGHS IN THE UPPER 60S VALLEYS
IN THE
LOWER 60S RIDGES. LIGHT WINDS.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. WEST WINDS
AROUND 4 MPH.
TUESDAY...PARTLY SUNNY. HIGHS IN THE MID 60S VALLEYS
IN THE UPPER
50S RIDGES. WEST WINDS AROUND 3 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE
UPPER 60S VALLEYS...IN THE LOWER 60S RIDGES.
THURSDAY
MOSTLY CLOUDY WITH SLIGHT CHANCE OF RAIN. LOWS AROUND
50. HIGHS IN THE UPPER 60S VALLEYS...IN THE LOWER 60S RIDGES.
.8 TO 14 DAY OUTLOOK FOR SEP 25 - OCT 01, 2026
ABOVE NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.
WAZ652-181315-
WEST PORTION OF THE OLYMPIC MOUNTAINS-
250 PM PDT THU SEP 17 2026
TONIGHT
* SKY/WEATHER...........CLEAR THEN BECOMING PARTLY CLOUDY.
* MIN TEMPERATURE.......47-57...EXCEPT 44-54 RIDGES.
* MAX HUMIDITY..........68-83 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..DOWNSLOPE/DOWNVALLEY 1 TO 2 MPH.
* RIDGES/UPR SLOPES...LIGHT WINDS.
* MIXING HEIGHT.........300-800 FT AGL.
* TRANSPORT WINDS.......NORTHWEST AROUND 5 MPH SHIFTING TO THE
SOUTHEAST AFTER MIDNIGHT.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
* FREEZING LEVEL........13500 FEET.
FRIDAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......60-70...EXCEPT 55-65 RIDGES.
* MIN HUMIDITY..........59-74 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..UPSLOPE/UPVALLEY 1 TO 3 MPH.
* RIDGES/UPR SLOPES...LIGHT WINDS BECOMING SOUTHWEST AROUND 4 MPH
IN THE AFTERNOON.
* MIXING HEIGHT.........700-1700 FT AGL.
* TRANSPORT WINDS.......SOUTHEAST AROUND 5 MPH SHIFTING TO THE
SOUTHWEST IN THE AFTERNOON.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
* FREEZING LEVEL........13500 FEET.
FRIDAY NIGHT
* SKY/WEATHER...........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* MIN TEMPERATURE.......43-53.
* MAX HUMIDITY..........81-96 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..DOWNSLOPE/DOWNVALLEY 1 TO 2 MPH.
* RIDGES/UPR SLOPES...LIGHT WINDS.
* MIXING HEIGHT.........300-700 FT AGL.
* TRANSPORT WINDS.......SOUTHWEST AROUND 5 MPH SHIFTING TO THE EAST
AFTER MIDNIGHT.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
* FREEZING LEVEL........13500 FEET.
SATURDAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......60-70...EXCEPT 57-67 RIDGES.
* MIN HUMIDITY..........55-70 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..UPSLOPE/UPVALLEY 1 TO 3 MPH.
* RIDGES/UPR SLOPES...LIGHT WINDS BECOMING WEST AROUND 3 MPH IN THE
AFTERNOON.
* MIXING HEIGHT.........600-1600 FT AGL.
* TRANSPORT WINDS.......EAST AROUND 5 MPH SHIFTING TO THE SOUTHWEST
IN THE AFTERNOON.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
* FREEZING LEVEL........13500 FEET.
SATURDAY NIGHT
MOSTLY CLEAR. FREEZING LEVEL 13000 FEET. LOWS IN
THE UPPER 40S. LIGHT WINDS.
SUNDAY
SUNNY. FREEZING LEVEL 13000 FEET. HIGHS 62 TO 72. LIGHT
WINDS BECOMING WEST AROUND 4 MPH IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLEAR. FREEZING LEVEL 13000 FEET. LOWS IN THE
UPPER 40S. LIGHT WINDS.
MONDAY
MOSTLY SUNNY. SLIGHT CHANCE OF RAIN IN THE AFTERNOON.
FREEZING LEVEL 12000 FEET. HIGHS 58 TO 68 VALLEYS...53 TO 63 RIDGES.
NORTHWEST WINDS AROUND 4 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN IN THE EVENING.
FREEZING LEVEL 10000 FEET. LOWS 42 TO 52. WEST WINDS AROUND 3 MPH.
TUESDAY
PARTLY SUNNY. SLIGHT CHANCE OF RAIN IN THE AFTERNOON.
FREEZING LEVEL 8500 FEET. HIGHS 51 TO 61. WEST WINDS AROUND 4 MPH.
WEDNESDAY
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN. FREEZING LEVEL
9000 FEET. LOWS 40 TO 50. HIGHS 52 TO 62.
THURSDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN. FREEZING LEVEL
11500 FEET. LOWS 43 TO 53. HIGHS 55 TO 65.
.8 TO 14 DAY OUTLOOK FOR SEP 25 - OCT 01, 2026
ABOVE NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.
WAZ661-181315-
EAST PORTION OF THE OLYMPIC MOUNTAINS-
250 PM PDT THU SEP 17 2026
TONIGHT
* SKY/WEATHER...........MOSTLY CLEAR.
* MIN TEMPERATURE.......46-56...EXCEPT 43-53 RIDGES.
* MAX HUMIDITY..........72-87 PERCENT...EXCEPT 64-79 PERCENT
RIDGES.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..DOWNSLOPE/DOWNVALLEY 1 TO 2 MPH.
* RIDGES/UPR SLOPES...WEST WINDS 3 TO 4 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........13500 FEET.
FRIDAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......62-72...EXCEPT 56-66 RIDGES.
* MIN HUMIDITY..........58-73 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.......SOUTH AROUND 5 MPH SHIFTING TO THE WEST IN
THE AFTERNOON.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
* FREEZING LEVEL........13000 FEET.
FRIDAY NIGHT
* SKY/WEATHER...........PARTLY CLOUDY.
* MIN TEMPERATURE.......45-55...EXCEPT 42-52 RIDGES.
* MAX HUMIDITY..........80-95 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..DOWNSLOPE/DOWNVALLEY AROUND 2 MPH.
* RIDGES/UPR SLOPES...WEST WINDS 3 TO 4 MPH.
* MIXING HEIGHT.........300-800 FT AGL.
* TRANSPORT WINDS.......SOUTH AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
* FREEZING LEVEL........13500 FEET.
SATURDAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......63-73...EXCEPT 57-67 RIDGES.
* MIN HUMIDITY..........54-69 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..UPSLOPE/UPVALLEY 1 TO 3 MPH.
* RIDGES/UPR SLOPES...LIGHT WINDS BECOMING SOUTHWEST AROUND 3 MPH
IN THE AFTERNOON.
* MIXING HEIGHT.........600-1600 FT AGL.
* TRANSPORT WINDS.......WEST AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
* FREEZING LEVEL........13500 FEET.
SATURDAY NIGHT
MOSTLY CLEAR. FREEZING LEVEL 13500 FEET. LOWS
45 TO 55. WEST WINDS 3 TO 4 MPH.
SUNDAY...SUNNY. FREEZING LEVEL 13000 FEET. HIGHS 64 TO 74 VALLEYS
58 TO 68 RIDGES. LIGHT WINDS BECOMING NORTHWEST AROUND 3 MPH IN THE
AFTERNOON.
SUNDAY NIGHT
MOSTLY CLEAR. FREEZING LEVEL 13000 FEET. LOWS 44 TO
54. LIGHT WINDS.
MONDAY
MOSTLY SUNNY. FREEZING LEVEL 12500 FEET. HIGHS 60 TO
70 VALLEYS...53 TO 63 RIDGES. WEST WINDS AROUND 3 MPH.
MONDAY NIGHT
PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN. FREEZING
LEVEL 10000 FEET. LOWS 44 TO 54 VALLEYS...38 TO 48 RIDGES. WEST
WINDS AROUND 3 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF RAIN. FREEZING LEVEL
8500 FEET. HIGHS 55 TO 65 VALLEYS...47 TO 57 RIDGES. WEST WINDS
AROUND 3 MPH.
WEDNESDAY
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN. FREEZING LEVEL
9000 FEET. LOWS 42 TO 52 VALLEYS...IN THE LOWER 40S RIDGES. HIGHS
55 TO 65 VALLEYS...47 TO 57 RIDGES.
THURSDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN. FREEZING LEVEL
12000 FEET. LOWS 42 TO 52. HIGHS 58 TO 68 VALLEYS...50 TO 60 RIDGES.
.8 TO 14 DAY OUTLOOK FOR SEP 25 - OCT 01, 2026
ABOVE NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.
WAZ653-181315-
STRAIT OF JUAN DE FUCA AND NORTHWEST INTERIOR LOWLANDS-
250 PM PDT THU SEP 17 2026
TONIGHT
* SKY/WEATHER...........MOSTLY CLEAR.
* MIN TEMPERATURE.......47-57.
* MAX HUMIDITY..........73-88 PERCENT.
* 20-FOOT WINDS.........LIGHT WINDS.
* MIXING HEIGHT.........400-500 FT AGL.
* TRANSPORT WINDS.......WEST AROUND 5 MPH SHIFTING TO THE SOUTH
AFTER MIDNIGHT.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
FRIDAY
* SKY/WEATHER...........SUNNY.
* MAX TEMPERATURE.......64-74.
* MIN HUMIDITY..........63-78 PERCENT.
* 20-FOOT WINDS.........SOUTH WINDS 3 TO 5 MPH.
* MIXING HEIGHT.........500-1100 FT AGL.
* TRANSPORT WINDS.......SOUTH AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
FRIDAY NIGHT
* SKY/WEATHER...........PARTLY CLOUDY.
* MIN TEMPERATURE.......46-56.
* MAX HUMIDITY..........81-96 PERCENT.
* 20-FOOT WINDS.........LIGHT WINDS.
* MIXING HEIGHT.........400-500 FT AGL.
* TRANSPORT WINDS.......SOUTHWEST AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
SATURDAY
* SKY/WEATHER...........PARTLY SUNNY.
* MAX TEMPERATURE.......62-72.
* MIN HUMIDITY..........67-82 PERCENT.
* 20-FOOT WINDS.........LIGHT WINDS BECOMING WEST AROUND 3 MPH IN
THE AFTERNOON.
* MIXING HEIGHT.........400-1200 FT AGL.
* TRANSPORT WINDS.......SOUTH AROUND 5 MPH SHIFTING TO THE WEST IN
THE AFTERNOON.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 50S. WEST WINDS
AROUND 3 MPH IN THE EVENING BECOMING LIGHT.
SUNDAY
MOSTLY SUNNY. HIGHS 63 TO 73. LIGHT WINDS BECOMING
NORTHWEST AROUND 4 MPH IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 50S. WEST WINDS
AROUND 3 MPH.
MONDAY
PARTLY SUNNY. HIGHS 63 TO 73. SOUTH WINDS AROUND 4 MPH.
MONDAY NIGHT
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN IN THE EVENING,
THEN CHANCE OF RAIN AFTER MIDNIGHT. LOWS 48 TO 58. WEST WINDS AROUND
4 MPH.
TUESDAY
PARTLY SUNNY. CHANCE OF RAIN IN THE MORNING, THEN SLIGHT
CHANCE OF RAIN IN THE AFTERNOON. HIGHS 60 TO 70. WEST WINDS AROUND
4 MPH.
WEDNESDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN. LOWS 46 TO 56.
HIGHS 60 TO 70.
THURSDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN. LOWS IN THE LOWER
50S. HIGHS 62 TO 72.
.8 TO 14 DAY OUTLOOK FOR SEP 25 - OCT 01, 2026
ABOVE NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.
WAZ654-181315-
CENTRAL AND SOUTH PUGET SOUND LOWLANDS-
250 PM PDT THU SEP 17 2026
TONIGHT
* SKY/WEATHER...........PARTLY CLOUDY.
* MIN TEMPERATURE.......49-59.
* MAX HUMIDITY..........76-91 PERCENT.
* 20-FOOT WINDS.........LIGHT WINDS BECOMING SOUTHWEST AROUND 3 MPH
AFTER MIDNIGHT.
* MIXING HEIGHT.........400-900 FT AGL.
* TRANSPORT WINDS.......NORTH AROUND 5 MPH SHIFTING TO THE WEST
AFTER MIDNIGHT.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
FRIDAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......64-74.
* MIN HUMIDITY..........57-72 PERCENT.
* 20-FOOT WINDS.........SOUTHWEST WINDS 4 TO 7 MPH.
* MIXING HEIGHT.........1000-2000 FT AGL.
* TRANSPORT WINDS.......SOUTHWEST AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
FRIDAY NIGHT
* SKY/WEATHER...........PARTLY CLOUDY.
* MIN TEMPERATURE.......47-57.
* MAX HUMIDITY..........82-97 PERCENT.
* 20-FOOT WINDS.........WEST WINDS AROUND 4 MPH IN THE EVENING
BECOMING LIGHT.
* MIXING HEIGHT.........400-1000 FT AGL.
* TRANSPORT WINDS.......SOUTHWEST AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
SATURDAY
* SKY/WEATHER...........PARTLY SUNNY.
* MAX TEMPERATURE.......64-74.
* MIN HUMIDITY..........59-74 PERCENT.
* 20-FOOT WINDS.........LIGHT WINDS BECOMING SOUTHWEST AROUND 3 MPH
IN THE AFTERNOON.
* MIXING HEIGHT.........700-1700 FT AGL.
* TRANSPORT WINDS.......SOUTHWEST AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 50S. NORTH WINDS
AROUND 3 MPH IN THE EVENING BECOMING LIGHT.
SUNDAY
MOSTLY SUNNY. HIGHS 68 TO 78. LIGHT WINDS BECOMING
NORTHEAST AROUND 3 MPH IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 50S. LIGHT WINDS.
MONDAY
PARTLY SUNNY. HIGHS AROUND 70. SOUTH WINDS AROUND 3 MPH.
MONDAY NIGHT
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN AFTER MIDNIGHT.
LOWS IN THE LOWER 50S. WEST WINDS AROUND 3 MPH.
TUESDAY
MOSTLY CLOUDY. CHANCE OF RAIN IN THE MORNING, THEN SLIGHT
CHANCE OF RAIN IN THE AFTERNOON. HIGHS 62 TO 72. SOUTHWEST WINDS
AROUND 3 MPH.
WEDNESDAY
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN. LOWS 46 TO 56.
HIGHS 62 TO 72.
THURSDAY
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS IN THE UPPER
60S.
.8 TO 14 DAY OUTLOOK FOR SEP 25 - OCT 01, 2026
ABOVE NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.
WAZ655-181315-
BLACK HILLS AND SOUTHWEST INTERIOR LOWLANDS-
250 PM PDT THU SEP 17 2026
TONIGHT
* SKY/WEATHER...........PARTLY CLOUDY.
* MIN TEMPERATURE.......46-56.
* MAX HUMIDITY..........80-95 PERCENT.
* 20-FOOT WINDS.........LIGHT WINDS.
* MIXING HEIGHT.........400-1000 FT AGL.
* TRANSPORT WINDS.......WEST AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
FRIDAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......65-75.
* MIN HUMIDITY..........55-70 PERCENT.
* 20-FOOT WINDS.........LIGHT WINDS BECOMING WEST AROUND 3 MPH IN
THE AFTERNOON.
* MIXING HEIGHT.........1100-2100 FT AGL.
* TRANSPORT WINDS.......SOUTHWEST AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
FRIDAY NIGHT
* SKY/WEATHER...........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* MIN TEMPERATURE.......45-55.
* MAX HUMIDITY..........81-96 PERCENT.
* 20-FOOT WINDS.........WEST WINDS UP TO 3 MPH.
* MIXING HEIGHT.........400-1100 FT AGL.
* TRANSPORT WINDS.......WEST AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
SATURDAY
* SKY/WEATHER...........PARTLY SUNNY.
* MAX TEMPERATURE.......67-77.
* MIN HUMIDITY..........50-65 PERCENT.
* 20-FOOT WINDS.........LIGHT WINDS.
* MIXING HEIGHT.........800-1800 FT AGL.
* TRANSPORT WINDS.......WEST AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS 46 TO 56. NORTHWEST WINDS UP TO
3 MPH.
SUNDAY
MOSTLY SUNNY. HIGHS 72 TO 82. NORTH WINDS UP TO 3 MPH.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS 46 TO 56. LIGHT WINDS.
MONDAY
PARTLY SUNNY. HIGHS IN THE LOWER 70S. LIGHT WINDS.
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S. LIGHT WINDS.
TUESDAY
MOSTLY CLOUDY. HIGHS 63 TO 73. LIGHT WINDS.
WEDNESDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE
UPPER 60S.
THURSDAY
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE LOWER
70S.
.8 TO 14 DAY OUTLOOK FOR SEP 25 - OCT 01, 2026
ABOVE NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.
WAZ656-181315-
NORTHEAST PUGET SOUND LOWLANDS GENERALLY BELOW 1500 FEET-
250 PM PDT THU SEP 17 2026
TONIGHT
* SKY/WEATHER...........MOSTLY CLEAR.
* MIN TEMPERATURE.......47-57.
* MAX HUMIDITY..........69-84 PERCENT.
* 20-FOOT WINDS.........LIGHT WINDS.
* MIXING HEIGHT.........300-700 FT AGL.
* TRANSPORT WINDS.......WEST AROUND 5 MPH SHIFTING TO THE SOUTHEAST
AFTER MIDNIGHT.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
FRIDAY
* SKY/WEATHER...........SUNNY.
* MAX TEMPERATURE.......64-74.
* MIN HUMIDITY..........50-65 PERCENT.
* 20-FOOT WINDS.........LIGHT WINDS BECOMING SOUTHWEST AROUND 3 MPH
IN THE AFTERNOON.
* MIXING HEIGHT.........1000-2000 FT AGL.
* TRANSPORT WINDS.......SOUTH AROUND 5 MPH SHIFTING TO THE
SOUTHWEST IN THE AFTERNOON.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
FRIDAY NIGHT
* SKY/WEATHER...........PARTLY CLOUDY.
* MIN TEMPERATURE.......46-56.
* MAX HUMIDITY..........76-91 PERCENT.
* 20-FOOT WINDS.........LIGHT WINDS.
* MIXING HEIGHT.........300-900 FT AGL.
* TRANSPORT WINDS.......WEST AROUND 5 MPH SHIFTING TO THE SOUTHEAST
AFTER MIDNIGHT.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
SATURDAY
* SKY/WEATHER...........PARTLY SUNNY.
* MAX TEMPERATURE.......65-75.
* MIN HUMIDITY..........51-66 PERCENT.
* 20-FOOT WINDS.........LIGHT WINDS.
* MIXING HEIGHT.........700-1700 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.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 50S. LIGHT WINDS.
SUNDAY
SUNNY. HIGHS 70 TO 80. LIGHT WINDS BECOMING WEST AROUND
3 MPH IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 50S. LIGHT WINDS.
MONDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. LIGHT WINDS.
MONDAY NIGHT
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN IN THE EVENING,
THEN CHANCE OF RAIN AFTER MIDNIGHT. LOWS IN THE LOWER 50S. LIGHT
WINDS.
TUESDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN. HIGHS 61 TO 71.
LIGHT WINDS.
WEDNESDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN. LOWS AROUND 50.
HIGHS 63 TO 73.
THURSDAY
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS 66 TO 76.
.8 TO 14 DAY OUTLOOK FOR SEP 25 - OCT 01, 2026
ABOVE NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.
WAZ657-181315-
SOUTHEAST PUGET SOUND LOWLANDS GENERALLY BELOW 1500 FEET-
250 PM PDT THU SEP 17 2026
TONIGHT
* SKY/WEATHER...........MOSTLY CLEAR.
* MIN TEMPERATURE.......47-57.
* MAX HUMIDITY..........75-90 PERCENT.
* 20-FOOT WINDS.........LIGHT WINDS.
* MIXING HEIGHT.........300-900 FT AGL.
* TRANSPORT WINDS.......NORTH AROUND 5 MPH SHIFTING TO THE SOUTH
AFTER MIDNIGHT.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
FRIDAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......65-75.
* MIN HUMIDITY..........51-66 PERCENT.
* 20-FOOT WINDS.........LIGHT WINDS.
* MIXING HEIGHT.........700 FT AGL INCREASING TO 2700 FT AGL IN THE
AFTERNOON.
* TRANSPORT WINDS.......SOUTHWEST AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
FRIDAY NIGHT
* SKY/WEATHER...........PARTLY CLOUDY.
* MIN TEMPERATURE.......46-56.
* MAX HUMIDITY..........78-93 PERCENT.
* 20-FOOT WINDS.........LIGHT WINDS.
* MIXING HEIGHT.........300-1100 FT AGL.
* TRANSPORT WINDS.......WEST AROUND 5 MPH SHIFTING TO THE SOUTH
AFTER MIDNIGHT.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
SATURDAY
* SKY/WEATHER...........PARTLY SUNNY.
* MAX TEMPERATURE.......66-76.
* MIN HUMIDITY..........54-69 PERCENT.
* 20-FOOT WINDS.........LIGHT WINDS.
* MIXING HEIGHT.........600-1600 FT AGL.
* TRANSPORT WINDS.......SOUTHEAST AROUND 5 MPH SHIFTING TO THE
NORTHWEST IN THE AFTERNOON.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
SATURDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 50S. LIGHT WINDS.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S. LIGHT WINDS.
SUNDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 50S. LIGHT WINDS.
MONDAY
PARTLY SUNNY. HIGHS IN THE LOWER 70S. LIGHT WINDS.
MONDAY NIGHT
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN AFTER MIDNIGHT.
LOWS 48 TO 58. LIGHT WINDS.
TUESDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN. HIGHS IN THE MID
60S. LIGHT WINDS.
WEDNESDAY
MOSTLY CLOUDY. LOWS 45 TO 55. HIGHS IN THE UPPER 60S.
THURSDAY
MOSTLY CLOUDY. LOWS AROUND 50. HIGHS AROUND 70.
.8 TO 14 DAY OUTLOOK FOR SEP 25 - OCT 01, 2026
ABOVE NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.
WAZ658-181315-
WEST SLOPES OF THE NORTH CASCADES GENERALLY ABOVE 1500 FEET-
250 PM PDT THU SEP 17 2026
TONIGHT
* SKY/WEATHER...........MOSTLY CLEAR.
* MIN TEMPERATURE.......46-56...EXCEPT 41-51 RIDGES.
* MAX HUMIDITY..........68-83 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..DOWNSLOPE/DOWNVALLEY AROUND 2 MPH.
* RIDGES/UPR SLOPES...WEST WINDS 3 TO 5 MPH.
* MIXING HEIGHT.........300-800 FT AGL.
* TRANSPORT WINDS.......WEST AROUND 5 MPH SHIFTING TO THE SOUTHEAST
AFTER MIDNIGHT.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
* FREEZING LEVEL........13000 FEET.
FRIDAY
* SKY/WEATHER...........SUNNY.
* MAX TEMPERATURE.......65-75...EXCEPT 60-70 RIDGES.
* MIN HUMIDITY..........45-60 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..UPSLOPE/UPVALLEY 2 TO 4 MPH.
* RIDGES/UPR SLOPES...LIGHT WINDS BECOMING WEST AROUND 4 MPH IN THE
AFTERNOON.
* MIXING HEIGHT.........1100-2100 FT AGL.
* TRANSPORT WINDS.......WEST AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
* FREEZING LEVEL........12500 FEET.
FRIDAY NIGHT
* SKY/WEATHER...........PARTLY CLOUDY.
* MIN TEMPERATURE.......46-56...EXCEPT 39-49 RIDGES.
* MAX HUMIDITY..........75-90 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..DOWNSLOPE/DOWNVALLEY 2 TO 3 MPH.
* RIDGES/UPR SLOPES...WEST WINDS AROUND 3 MPH SHIFTING TO THE EAST
AFTER MIDNIGHT.
* MIXING HEIGHT.........200-900 FT AGL.
* TRANSPORT WINDS.......WEST AROUND 5 MPH SHIFTING TO THE EAST
AFTER MIDNIGHT.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
* FREEZING LEVEL........13000 FEET.
SATURDAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......65-75...EXCEPT 61-71 RIDGES.
* MIN HUMIDITY..........44-59 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
AROUND 4 MPH IN THE AFTERNOON.
* MIXING HEIGHT.........300 FT AGL INCREASING TO 2400 FT AGL IN THE
AFTERNOON.
* 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........13500 FEET.
SATURDAY NIGHT
MOSTLY CLEAR. FREEZING LEVEL 13000 FEET. LOWS
44 TO 54. WEST WINDS AROUND 3 MPH SHIFTING TO THE EAST AROUND 5 MPH
AFTER MIDNIGHT.
SUNDAY...SUNNY. FREEZING LEVEL 13000 FEET. HIGHS 69 TO 79 VALLEYS
63 TO 73 RIDGES. EAST WINDS AROUND 3 MPH SHIFTING TO THE WEST AROUND
4 MPH IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLEAR. FREEZING LEVEL 13000 FEET. LOWS 44 TO
54. NORTHEAST WINDS AROUND 3 MPH.
MONDAY
MOSTLY SUNNY. FREEZING LEVEL 12500 FEET. HIGHS 63 TO
73 VALLEYS...56 TO 66 RIDGES. SOUTHWEST WINDS AROUND 4 MPH.
MONDAY NIGHT
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN IN THE EVENING,
THEN CHANCE OF RAIN AFTER MIDNIGHT. FREEZING LEVEL 10500 FEET. LOWS
45 TO 55 VALLEYS...IN THE MID 40S RIDGES. WEST WINDS AROUND 4 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF RAIN. FREEZING LEVEL
8500 FEET. HIGHS 56 TO 66 VALLEYS...48 TO 58 RIDGES. WEST WINDS
AROUND 4 MPH.
WEDNESDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN. FREEZING LEVEL
9000 FEET. LOWS 42 TO 52 VALLEYS...IN THE LOWER 40S RIDGES. HIGHS
58 TO 68 VALLEYS...50 TO 60 RIDGES.
THURSDAY
MOSTLY CLOUDY. FREEZING LEVEL 12000 FEET. LOWS IN THE
UPPER 40S VALLEYS...IN THE LOWER 40S RIDGES. HIGHS 62 TO
72 VALLEYS...54 TO 64 RIDGES.
.8 TO 14 DAY OUTLOOK FOR SEP 25 - OCT 01, 2026
ABOVE NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.
WAZ659-181315-
WEST SLOPES OF THE CENTRAL CASCADES GENERALLY ABOVE 1500 FEET-
250 PM PDT THU SEP 17 2026
TONIGHT
* SKY/WEATHER...........MOSTLY CLEAR.
* MIN TEMPERATURE.......46-56...EXCEPT 40-50 RIDGES.
* MAX HUMIDITY..........66-81 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..DOWNSLOPE/DOWNVALLEY AROUND 2 MPH.
* RIDGES/UPR SLOPES...NORTHWEST WINDS AROUND 3 MPH IN THE EVENING
BECOMING LIGHT.
* MIXING HEIGHT.........300-800 FT AGL.
* TRANSPORT WINDS.......WEST AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
* FREEZING LEVEL........13000 FEET.
FRIDAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......66-76...EXCEPT 57-67 RIDGES.
* MIN HUMIDITY..........50-65 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..UPSLOPE/UPVALLEY 1 TO 3 MPH.
* RIDGES/UPR SLOPES...LIGHT WINDS BECOMING WEST AROUND 4 MPH IN THE
AFTERNOON.
* MIXING HEIGHT.........1000-2000 FT AGL.
* TRANSPORT WINDS.......WEST AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
* FREEZING LEVEL........12500 FEET.
FRIDAY NIGHT
* SKY/WEATHER...........PARTLY CLOUDY.
* MIN TEMPERATURE.......45-55...EXCEPT 41-51 RIDGES.
* MAX HUMIDITY..........69-84 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..DOWNSLOPE/DOWNVALLEY 1 TO 2 MPH.
* RIDGES/UPR SLOPES...LIGHT WINDS.
* MIXING HEIGHT.........200-900 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........13500 FEET.
SATURDAY
* SKY/WEATHER...........PARTLY SUNNY.
* MAX TEMPERATURE.......67-77...EXCEPT 60-70 RIDGES.
* MIN HUMIDITY..........48-63 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..UPSLOPE/UPVALLEY 1 TO 3 MPH.
* RIDGES/UPR SLOPES...LIGHT WINDS BECOMING WEST AROUND 3 MPH IN THE
AFTERNOON.
* MIXING HEIGHT.........700-1700 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........13500 FEET.
SATURDAY NIGHT
MOSTLY CLEAR. FREEZING LEVEL 13500 FEET. LOWS
46 TO 56. LIGHT WINDS BECOMING EAST AROUND 3 MPH AFTER MIDNIGHT.
SUNDAY...SUNNY. FREEZING LEVEL 13500 FEET. HIGHS 69 TO 79 VALLEYS
64 TO 74 RIDGES. LIGHT WINDS BECOMING NORTHWEST AROUND 3 MPH IN THE
AFTERNOON.
SUNDAY NIGHT
MOSTLY CLEAR. FREEZING LEVEL 13500 FEET. LOWS 46 TO
56. LIGHT WINDS.
MONDAY
MOSTLY SUNNY. FREEZING LEVEL 13000 FEET. HIGHS 63 TO
73 VALLEYS...57 TO 67 RIDGES. LIGHT WINDS.
MONDAY NIGHT
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN AFTER MIDNIGHT.
FREEZING LEVEL 12000 FEET. LOWS 45 TO 55 VALLEYS...IN THE MID 40S
RIDGES. WEST WINDS AROUND 3 MPH.
TUESDAY
MOSTLY CLOUDY WITH SLIGHT CHANCE OF RAIN. FREEZING LEVEL
9000 FEET. HIGHS 56 TO 66 VALLEYS...48 TO 58 RIDGES. WEST WINDS
AROUND 3 MPH.
WEDNESDAY
MOSTLY CLOUDY. FREEZING LEVEL 10000 FEET. LOWS 42 TO
52 VALLEYS...IN THE LOWER 40S RIDGES. HIGHS 58 TO 68 VALLEYS...50 TO
60 RIDGES.
THURSDAY
MOSTLY CLOUDY. FREEZING LEVEL 13000 FEET. LOWS 44 TO
54 VALLEYS...IN THE MID 40S RIDGES. HIGHS 63 TO 73 VALLEYS...55 TO
65 RIDGES.
.8 TO 14 DAY OUTLOOK FOR SEP 25 - OCT 01, 2026
ABOVE NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.
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