395
FNUS56 KSEW 202105
FWFSEW
FIRE WEATHER PLANNING FORECAST FOR WESTERN WASHINGTON
NATIONAL WEATHER SERVICE SEATTLE WA
205 PM PDT SUN SEP 20 2026
DISCUSSION
THE RIDGE ALOFT HAS WEAKENED SOMEWHAT TODAY, AND WILL
ALLOW FOR MORE ONSHORE FLOW TO DEVELOP TOMORROW INTO MIDWEEK. THE
ONSHORE FLOW WILL BOOST THE AFTERNOON RH MINIMUMS TOMORROW AFTER
GETTING DOWN LOWER PARTICULARLY IN THE CASCADES TODAY. THE PATTERN
TRANSITIONS TO LOWER PRESSURE BY THE MIDDLE AND END OF THE WEEK WITH
THE NEXT POTENTIAL CHANCE OF WIDESPREAD RAIN BY FRIDAY.
FORECAST FOR 20 FOOT WIND SPEED (VALLEYS AND RIDGE TOPS) ARE 10
MINUTE AVERAGES REFLECTING RAWS WINDS.
WAZ649-211115-
NORTH AND CENTRAL COASTAL STRIP-
205 PM PDT SUN SEP 20 2026
TONIGHT
* SKY/WEATHER...........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* MIN TEMPERATURE.......47-57.
* MAX HUMIDITY..........89-100 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..NORTHWEST WINDS 4 TO 7 MPH.
* RIDGES/UPR SLOPES...NORTHWEST WINDS 4 TO 7 MPH.
* MIXING HEIGHT.........500-900 FT AGL.
* TRANSPORT WINDS.......NORTHWEST AROUND 10 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
MONDAY
* SKY/WEATHER...........PARTLY SUNNY.
* MAX TEMPERATURE.......59-69.
* MIN HUMIDITY..........77-92 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..LIGHT WINDS BECOMING NORTHWEST AROUND 5 MPH
IN THE AFTERNOON.
* RIDGES/UPR SLOPES...NORTHWEST WINDS 3 TO 5 MPH.
* MIXING HEIGHT.........700-1600 FT AGL.
* TRANSPORT WINDS.......NORTHWEST 5 TO 10 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
MONDAY NIGHT
* SKY/WEATHER...........MOSTLY CLOUDY.
* MIN TEMPERATURE.......49-59.
* MAX HUMIDITY..........89-100 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..NORTHWEST WINDS 3 TO 6 MPH.
* RIDGES/UPR SLOPES...NORTHWEST WINDS 3 TO 6 MPH.
* MIXING HEIGHT.........600-1000 FT AGL.
* TRANSPORT WINDS.......NORTHWEST 5 TO 10 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
TUESDAY
* SKY/WEATHER...........PARTLY SUNNY.
* MAX TEMPERATURE.......58-68.
* MIN HUMIDITY..........70-85 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..WEST WINDS 3 TO 6 MPH.
* RIDGES/UPR SLOPES...NORTHWEST WINDS AROUND 3 MPH SHIFTING TO THE
WEST AROUND 4 MPH IN THE AFTERNOON.
* MIXING HEIGHT.........900-1900 FT AGL.
* TRANSPORT WINDS.......NORTHWEST AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN THE
LOWER 50S. SOUTHWEST WINDS AROUND 4 MPH IN THE EVENING BECOMING
LIGHT.
WEDNESDAY
PARTLY SUNNY. SLIGHT CHANCE OF RAIN IN THE MORNING.
HIGHS IN THE LOWER 60S. LIGHT WINDS BECOMING WEST AROUND 4 MPH IN
THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. NORTH WINDS
AROUND 4 MPH.
THURSDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN IN THE MORNING,
THEN CHANCE OF RAIN IN THE AFTERNOON. HIGHS IN THE LOWER 60S. NORTH
WINDS AROUND 3 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN THE
LOWER 50S. NORTHWEST WINDS AROUND 5 MPH.
FRIDAY
PARTLY SUNNY. CHANCE OF RAIN IN THE MORNING, THEN CHANCE
OF RAIN AND SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS
IN THE LOWER 60S. NORTHWEST WINDS AROUND 6 MPH.
SATURDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN. LOWS IN THE UPPER
40S. HIGHS IN THE LOWER 60S.
SUNDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN. LOWS IN THE UPPER
40S. HIGHS IN THE LOWER 60S.
.8 TO 14 DAY OUTLOOK FOR SEP 28 - OCT 04, 2026
NEAR NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.
WAZ650-211115-
NORTH COASTAL LOWLANDS-
205 PM PDT SUN SEP 20 2026
TONIGHT
* SKY/WEATHER...........PARTLY CLOUDY. PATCHY FOG AFTER MIDNIGHT.
* MIN TEMPERATURE.......46-56.
* MAX HUMIDITY..........75-90 PERCENT...EXCEPT 85-100 PERCENT
RIDGES.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..NORTHWEST WINDS AROUND 3 MPH IN THE EVENING
BECOMING LIGHT.
* RIDGES/UPR SLOPES...NORTHWEST WINDS AROUND 3 MPH IN THE EVENING
BECOMING LIGHT.
* MIXING HEIGHT.........400-700 FT AGL.
* TRANSPORT WINDS.......NORTHWEST AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
MONDAY
* SKY/WEATHER...........PARTLY SUNNY.
* MAX TEMPERATURE.......61-71.
* MIN HUMIDITY..........66-81 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 4 MPH IN THE
AFTERNOON.
* MIXING HEIGHT.........900-1900 FT AGL.
* TRANSPORT WINDS.......NORTHWEST 5 TO 10 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
MONDAY NIGHT
* SKY/WEATHER...........MOSTLY CLOUDY.
* MIN TEMPERATURE.......44-54.
* MAX HUMIDITY..........80-95 PERCENT...EXCEPT 86-100 PERCENT
RIDGES.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..NORTHWEST WINDS AROUND 3 MPH IN THE EVENING
BECOMING LIGHT.
* RIDGES/UPR SLOPES...WEST WINDS 3 TO 5 MPH.
* MIXING HEIGHT.........400-1000 FT AGL.
* TRANSPORT WINDS.......NORTHWEST 5 TO 10 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
TUESDAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......58-68.
* MIN HUMIDITY..........61-76 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 4 MPH IN THE
AFTERNOON.
* MIXING HEIGHT.........400 FT AGL INCREASING TO 2900 FT AGL IN THE
AFTERNOON.
* TRANSPORT WINDS.......NORTHWEST AROUND 5 MPH SHIFTING TO THE WEST
IN THE AFTERNOON.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
TUESDAY NIGHT
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN IN THE
EVENING, THEN CHANCE OF RAIN AFTER MIDNIGHT. LOWS AROUND 50.
SOUTHWEST WINDS AROUND 3 MPH IN THE EVENING BECOMING LIGHT.
WEDNESDAY
PARTLY SUNNY. SLIGHT CHANCE OF RAIN IN THE MORNING.
HIGHS 58 TO 68. LIGHT WINDS BECOMING WEST AROUND 3 MPH IN THE
AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. LIGHT
WINDS.
THURSDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN IN THE MORNING,
THEN CHANCE OF RAIN IN THE AFTERNOON. HIGHS 56 TO 66. LIGHT WINDS.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN THE
UPPER 40S. NORTHWEST WINDS AROUND 3 MPH.
FRIDAY
PARTLY SUNNY. CHANCE OF RAIN IN THE MORNING, THEN CHANCE
OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
HIGHS 55 TO 65. WEST WINDS AROUND 4 MPH.
SATURDAY
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN. LOWS IN THE MID
40S. HIGHS 57 TO 67.
SUNDAY
MOSTLY CLOUDY. CHANCE OF RAIN. LOWS IN THE UPPER 40S.
HIGHS 58 TO 68.
.8 TO 14 DAY OUTLOOK FOR SEP 28 - OCT 04, 2026
NEAR NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.
WAZ651-211115-
CENTRAL COASTAL LOWLANDS-
205 PM PDT SUN SEP 20 2026
TONIGHT
* SKY/WEATHER...........PARTLY CLOUDY. PATCHY FOG AFTER MIDNIGHT.
* MIN TEMPERATURE.......44-54.
* MAX HUMIDITY..........81-96 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..NORTHWEST WINDS AROUND 3 MPH IN THE EVENING
BECOMING LIGHT.
* RIDGES/UPR SLOPES...NORTHWEST WINDS UP TO 3 MPH.
* MIXING HEIGHT.........400-800 FT AGL.
* TRANSPORT WINDS.......NORTHWEST AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
MONDAY
* SKY/WEATHER...........PARTLY SUNNY. PATCHY FOG IN THE MORNING.
* MAX TEMPERATURE.......63-73.
* MIN HUMIDITY..........65-80 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..LIGHT WINDS BECOMING WEST AROUND 5 MPH IN THE
AFTERNOON.
* RIDGES/UPR SLOPES...LIGHT WINDS BECOMING WEST AROUND 4 MPH IN THE
AFTERNOON.
* MIXING HEIGHT.........900-1900 FT AGL.
* TRANSPORT WINDS.......WEST 5 TO 10 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
MONDAY NIGHT
* SKY/WEATHER...........MOSTLY CLOUDY.
* MIN TEMPERATURE.......46-56.
* MAX HUMIDITY..........85-100 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..WEST WINDS 3 TO 5 MPH.
* RIDGES/UPR SLOPES...WEST WINDS 3 TO 5 MPH.
* MIXING HEIGHT.........500-1200 FT AGL.
* TRANSPORT WINDS.......NORTHWEST 5 TO 10 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
TUESDAY
* SKY/WEATHER...........PARTLY SUNNY.
* MAX TEMPERATURE.......59-69.
* MIN HUMIDITY..........59-74 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..LIGHT WINDS BECOMING WEST AROUND 5 MPH IN THE
AFTERNOON.
* RIDGES/UPR SLOPES...WEST WINDS 3 TO 6 MPH.
* MIXING HEIGHT.........500 FT AGL INCREASING TO 3200 FT AGL IN THE
AFTERNOON.
* TRANSPORT WINDS.......WEST 5 TO 10 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. WEST WINDS
AROUND 4 MPH IN THE EVENING BECOMING LIGHT.
WEDNESDAY...PARTLY SUNNY. HIGHS IN THE MID 60S VALLEYS
IN THE
UPPER 50S RIDGES. LIGHT WINDS BECOMING WEST AROUND 3 MPH IN THE
AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. LIGHT
WINDS.
THURSDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN IN THE MORNING,
THEN CHANCE OF RAIN IN THE AFTERNOON. HIGHS IN THE LOWER 60S
VALLEYS...IN THE MID 50S RIDGES. LIGHT WINDS.
THURSDAY NIGHT
MOSTLY CLOUDY. RAIN LIKELY IN THE EVENING, THEN
CHANCE OF RAIN AFTER MIDNIGHT. LOWS IN THE UPPER 40S. LIGHT WINDS.
FRIDAY
MOSTLY CLOUDY. CHANCE OF RAIN IN THE MORNING, THEN CHANCE
OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
HIGHS IN THE LOWER 60S VALLEYS...IN THE MID 50S RIDGES. WEST WINDS
AROUND 4 MPH.
SATURDAY
PARTLY CLOUDY. LOWS IN THE MID 40S. HIGHS IN THE MID 60S
VALLEYS...IN THE UPPER 50S RIDGES.
SUNDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN. LOWS IN THE MID 40S.
HIGHS IN THE MID 60S VALLEYS...IN THE UPPER 50S RIDGES.
.8 TO 14 DAY OUTLOOK FOR SEP 28 - OCT 04, 2026
NEAR NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.
WAZ652-211115-
WEST PORTION OF THE OLYMPIC MOUNTAINS-
205 PM PDT SUN SEP 20 2026
TONIGHT
* SKY/WEATHER...........PARTLY CLOUDY.
* MIN TEMPERATURE.......44-54.
* MAX HUMIDITY..........71-86 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..DOWNSLOPE/DOWNVALLEY 1 TO 2 MPH.
* RIDGES/UPR SLOPES...NORTH WINDS UP TO 3 MPH.
* MIXING HEIGHT.........300-600 FT AGL.
* TRANSPORT WINDS.......SOUTH AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
* FREEZING LEVEL........13000 FEET.
MONDAY
* SKY/WEATHER...........PARTLY SUNNY.
* MAX TEMPERATURE.......61-71...EXCEPT 56-66 RIDGES.
* MIN HUMIDITY..........53-68 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..UPSLOPE/UPVALLEY 1 TO 4 MPH.
* RIDGES/UPR SLOPES...LIGHT WINDS BECOMING WEST AROUND 5 MPH IN THE
AFTERNOON.
* MIXING HEIGHT.........800-1800 FT AGL.
* TRANSPORT WINDS.......WEST 5 TO 10 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
* FREEZING LEVEL........12500 FEET.
MONDAY NIGHT
* SKY/WEATHER...........MOSTLY CLOUDY.
* MIN TEMPERATURE.......39-49.
* MAX HUMIDITY..........79-94 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..DOWNSLOPE/DOWNVALLEY 2 TO 3 MPH.
* RIDGES/UPR SLOPES...NORTHWEST WINDS 3 TO 5 MPH.
* MIXING HEIGHT.........300-900 FT AGL.
* TRANSPORT WINDS.......NORTHWEST AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
* FREEZING LEVEL........12000 FEET.
TUESDAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......56-66...EXCEPT 51-61 RIDGES.
* MIN HUMIDITY..........53-68 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..UPSLOPE/UPVALLEY 2 TO 5 MPH.
* RIDGES/UPR SLOPES...NORTH WINDS AROUND 3 MPH SHIFTING TO THE WEST
AROUND 5 MPH IN THE AFTERNOON.
* MIXING HEIGHT.........300 FT AGL INCREASING TO 3500 FT AGL IN THE
AFTERNOON.
* TRANSPORT WINDS.......NORTH AROUND 5 MPH SHIFTING TO THE WEST IN
THE AFTERNOON.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
* FREEZING LEVEL........10000 FEET.
TUESDAY NIGHT
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN AFTER
MIDNIGHT. FREEZING LEVEL 8500 FEET. LOWS 41 TO 51. SOUTHWEST WINDS
3 TO 5 MPH.
WEDNESDAY
PARTLY SUNNY. FREEZING LEVEL 7000 FEET. HIGHS 52 TO
62 VALLEYS...47 TO 57 RIDGES. LIGHT WINDS BECOMING WEST AROUND 4 MPH
IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLOUDY. FREEZING LEVEL 8000 FEET. LOWS
39 TO 49. NORTH WINDS AROUND 3 MPH.
THURSDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN IN THE MORNING,
THEN CHANCE OF RAIN IN THE AFTERNOON. FREEZING LEVEL 8000 FEET.
HIGHS 48 TO 58. EAST WINDS AROUND 3 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. RAIN LIKELY IN THE EVENING, THEN
CHANCE OF RAIN AFTER MIDNIGHT. FREEZING LEVEL 6500 FEET. LOWS 40 TO
50. LIGHT WINDS.
FRIDAY
PARTLY SUNNY WITH A CHANCE OF RAIN. FREEZING LEVEL
6000 FEET. HIGHS 49 TO 59 VALLEYS...44 TO 54 RIDGES. WEST WINDS
AROUND 4 MPH.
SATURDAY
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN. FREEZING LEVEL
7000 FEET. LOWS 37 TO 47. HIGHS 51 TO 61 VALLEYS...46 TO 56 RIDGES.
SUNDAY
PARTLY CLOUDY. CHANCE OF RAIN. FREEZING LEVEL 8000 FEET.
LOWS 38 TO 48. HIGHS 53 TO 63 VALLEYS...48 TO 58 RIDGES.
.8 TO 14 DAY OUTLOOK FOR SEP 28 - OCT 04, 2026
NEAR NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.
WAZ661-211115-
EAST PORTION OF THE OLYMPIC MOUNTAINS-
205 PM PDT SUN SEP 20 2026
TONIGHT
* SKY/WEATHER...........PARTLY CLOUDY.
* MIN TEMPERATURE.......44-54.
* MAX HUMIDITY..........70-85 PERCENT...EXCEPT 61-76 PERCENT
RIDGES.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..DOWNSLOPE/DOWNVALLEY 1 TO 2 MPH.
* RIDGES/UPR SLOPES...LIGHT WINDS BECOMING WEST AROUND 3 MPH AFTER
MIDNIGHT.
* MIXING HEIGHT.........400-700 FT AGL.
* TRANSPORT WINDS.......SOUTHWEST AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
* FREEZING LEVEL........13000 FEET.
MONDAY
* SKY/WEATHER...........PARTLY SUNNY.
* MAX TEMPERATURE.......62-72...EXCEPT 57-67 RIDGES.
* MIN HUMIDITY..........51-66 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..UPSLOPE/UPVALLEY 2 TO 4 MPH.
* RIDGES/UPR SLOPES...LIGHT WINDS BECOMING SOUTHWEST AROUND 4 MPH
IN THE AFTERNOON.
* MIXING HEIGHT.........800-1800 FT AGL.
* TRANSPORT WINDS.......SOUTHWEST AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
* FREEZING LEVEL........12500 FEET.
MONDAY NIGHT
* SKY/WEATHER...........MOSTLY CLOUDY.
* MIN TEMPERATURE.......43-53...EXCEPT 40-50 RIDGES.
* MAX HUMIDITY..........80-95 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..DOWNSLOPE/DOWNVALLEY 2 TO 3 MPH.
* RIDGES/UPR SLOPES...WEST WINDS 3 TO 5 MPH.
* MIXING HEIGHT.........400-900 FT AGL.
* TRANSPORT WINDS.......WEST AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
* FREEZING LEVEL........12000 FEET.
TUESDAY
* SKY/WEATHER...........MOSTLY SUNNY. CHANCE OF RAIN IN THE
AFTERNOON.
* MAX TEMPERATURE.......55-65...EXCEPT 51-61 RIDGES.
* MIN HUMIDITY..........58-73 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..UPSLOPE/UPVALLEY 2 TO 5 MPH.
* RIDGES/UPR SLOPES...SOUTHWEST WINDS 3 TO 6 MPH.
* MIXING HEIGHT.........400 FT AGL INCREASING TO 3100 FT AGL IN THE
AFTERNOON.
* TRANSPORT WINDS.......WEST 5 TO 10 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...2 PERCENT.
* FREEZING LEVEL........10000 FEET.
TUESDAY NIGHT
MOSTLY CLOUDY WITH SLIGHT CHANCE OF RAIN. FREEZING
LEVEL 8500 FEET. LOWS IN THE MID 40S VALLEYS...36 TO 46 RIDGES. WEST
WINDS 3 TO 5 MPH.
WEDNESDAY
PARTLY SUNNY. CHANCE OF RAIN IN THE AFTERNOON. FREEZING
LEVEL 7500 FEET. HIGHS 53 TO 63 VALLEYS...44 TO 54 RIDGES. WEST
WINDS 3 TO 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. FREEZING LEVEL 8500 FEET. LOWS
41 TO 51 VALLEYS...35 TO 45 RIDGES. NORTHWEST WINDS AROUND 3 MPH.
THURSDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN IN THE MORNING,
THEN CHANCE OF RAIN IN THE AFTERNOON. FREEZING LEVEL 8500 FEET.
HIGHS 51 TO 61 VALLEYS...42 TO 52 RIDGES. NORTHEAST WINDS AROUND
3 MPH.
THURSDAY NIGHT
RAIN LIKELY. FREEZING LEVEL 6500 FEET. LOWS IN THE
MID 40S VALLEYS...35 TO 45 RIDGES. WEST WINDS AROUND 3 MPH.
FRIDAY
PARTLY SUNNY WITH A CHANCE OF RAIN. FREEZING LEVEL
6000 FEET. HIGHS 50 TO 60 VALLEYS...41 TO 51 RIDGES. WEST WINDS
AROUND 4 MPH.
SATURDAY
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN. FREEZING LEVEL
7000 FEET. LOWS IN THE LOWER 40S VALLEYS...32 TO 42 RIDGES. HIGHS
52 TO 62 VALLEYS...43 TO 53 RIDGES.
SUNDAY
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN. FREEZING LEVEL
8000 FEET. LOWS IN THE MID 40S VALLEYS...34 TO 44 RIDGES. HIGHS
54 TO 64 VALLEYS...45 TO 55 RIDGES.
.8 TO 14 DAY OUTLOOK FOR SEP 28 - OCT 04, 2026
NEAR NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.
WAZ653-211115-
STRAIT OF JUAN DE FUCA AND NORTHWEST INTERIOR LOWLANDS-
205 PM PDT SUN SEP 20 2026
TONIGHT
* SKY/WEATHER...........PARTLY CLOUDY. PATCHY FOG AFTER MIDNIGHT.
* MIN TEMPERATURE.......44-54.
* MAX HUMIDITY..........74-89 PERCENT.
* 20-FOOT WINDS.........WEST WINDS AROUND 3 MPH IN THE EVENING
BECOMING LIGHT.
* MIXING HEIGHT.........400-500 FT AGL.
* TRANSPORT WINDS.......WEST AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
MONDAY
* SKY/WEATHER...........PARTLY SUNNY.
* MAX TEMPERATURE.......62-72.
* MIN HUMIDITY..........61-76 PERCENT.
* 20-FOOT WINDS.........SOUTHWEST WINDS 3 TO 6 MPH.
* MIXING HEIGHT.........500-1100 FT AGL.
* TRANSPORT WINDS.......SOUTHWEST 5 TO 10 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
MONDAY NIGHT
* SKY/WEATHER...........MOSTLY CLOUDY.
* MIN TEMPERATURE.......45-55.
* MAX HUMIDITY..........81-96 PERCENT.
* 20-FOOT WINDS.........WEST WINDS 3 TO 6 MPH.
* MIXING HEIGHT.........400-600 FT AGL.
* TRANSPORT WINDS.......WEST 5 TO 10 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
TUESDAY
* SKY/WEATHER...........PARTLY SUNNY.
* MAX TEMPERATURE.......59-69.
* MIN HUMIDITY..........62-77 PERCENT.
* 20-FOOT WINDS.........SOUTHWEST WINDS 3 TO 6 MPH.
* MIXING HEIGHT.........600-1600 FT AGL.
* TRANSPORT WINDS.......SOUTHWEST AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...1 PERCENT.
TUESDAY NIGHT
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN AFTER
MIDNIGHT. LOWS 46 TO 56. SOUTHWEST WINDS 3 TO 6 MPH.
WEDNESDAY
PARTLY SUNNY WITH SLIGHT CHANCE OF RAIN. HIGHS 59 TO
69. SOUTH WINDS AROUND 3 MPH SHIFTING TO THE WEST AROUND 4 MPH IN
THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS 44 TO 54. WEST WINDS AROUND
3 MPH.
THURSDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN IN THE MORNING,
THEN CHANCE OF RAIN IN THE AFTERNOON. HIGHS 57 TO 67. NORTH WINDS
AROUND 4 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN IN THE EVENING, THEN
RAIN LIKELY AFTER MIDNIGHT. LOWS 44 TO 54. WEST WINDS AROUND 3 MPH.
FRIDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN. HIGHS 57 TO 67.
SOUTHWEST WINDS AROUND 5 MPH.
SATURDAY
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN. LOWS 42 TO 52.
HIGHS 58 TO 68.
SUNDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN. LOWS 43 TO 53. HIGHS
59 TO 69.
.8 TO 14 DAY OUTLOOK FOR SEP 28 - OCT 04, 2026
NEAR NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.
WAZ654-211115-
CENTRAL AND SOUTH PUGET SOUND LOWLANDS-
205 PM PDT SUN SEP 20 2026
TONIGHT
* SKY/WEATHER...........PARTLY CLOUDY. PATCHY FOG AFTER MIDNIGHT.
* MIN TEMPERATURE.......45-55.
* MAX HUMIDITY..........74-89 PERCENT.
* 20-FOOT WINDS.........NORTHEAST WINDS AROUND 3 MPH IN THE EVENING
BECOMING LIGHT.
* MIXING HEIGHT.........400-800 FT AGL.
* TRANSPORT WINDS.......NORTH AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
MONDAY
* SKY/WEATHER...........PARTLY SUNNY. PATCHY FOG IN THE MORNING.
* MAX TEMPERATURE.......63-73.
* MIN HUMIDITY..........60-75 PERCENT.
* 20-FOOT WINDS.........LIGHT WINDS BECOMING SOUTH AROUND 3 MPH IN
THE AFTERNOON.
* MIXING HEIGHT.........800-1800 FT AGL.
* TRANSPORT WINDS.......SOUTHWEST AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
MONDAY NIGHT
* SKY/WEATHER...........MOSTLY CLOUDY.
* MIN TEMPERATURE.......48-58.
* MAX HUMIDITY..........82-97 PERCENT.
* 20-FOOT WINDS.........NORTH WINDS AROUND 3 MPH IN THE EVENING
BECOMING LIGHT.
* MIXING HEIGHT.........400-1100 FT AGL.
* TRANSPORT WINDS.......NORTHWEST AROUND 5 MPH SHIFTING TO THE
SOUTHEAST AFTER MIDNIGHT.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
TUESDAY
* SKY/WEATHER...........PARTLY SUNNY.
* MAX TEMPERATURE.......60-70.
* MIN HUMIDITY..........58-73 PERCENT.
* 20-FOOT WINDS.........LIGHT WINDS BECOMING SOUTH AROUND 4 MPH IN
THE AFTERNOON.
* MIXING HEIGHT.........700 FT AGL INCREASING TO 2800 FT AGL IN THE
AFTERNOON.
* TRANSPORT WINDS.......SOUTH AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS 45 TO 55. SOUTHWEST WINDS 3 TO
5 MPH.
WEDNESDAY
PARTLY SUNNY. HIGHS 62 TO 72. LIGHT WINDS BECOMING
SOUTH AROUND 4 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS 45 TO 55. NORTH WINDS AROUND
3 MPH.
THURSDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN IN THE MORNING,
THEN CHANCE OF RAIN IN THE AFTERNOON. HIGHS IN THE LOWER 60S. NORTH
WINDS AROUND 4 MPH.
THURSDAY NIGHT
RAIN LIKELY. LOWS 45 TO 55. NORTHWEST WINDS AROUND
3 MPH.
FRIDAY
MOSTLY CLOUDY. CHANCE OF RAIN IN THE MORNING, THEN CHANCE
OF RAIN AND SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS
57 TO 67. SOUTHWEST WINDS AROUND 4 MPH.
SATURDAY
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN. LOWS 42 TO 52.
HIGHS IN THE LOWER 60S.
SUNDAY
PARTLY CLOUDY. LOWS 42 TO 52. HIGHS IN THE MID 60S.
.8 TO 14 DAY OUTLOOK FOR SEP 28 - OCT 04, 2026
NEAR NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.
WAZ655-211115-
BLACK HILLS AND SOUTHWEST INTERIOR LOWLANDS-
205 PM PDT SUN SEP 20 2026
TONIGHT
* SKY/WEATHER...........PARTLY CLOUDY. PATCHY FOG AFTER MIDNIGHT.
* MIN TEMPERATURE.......46-56.
* MAX HUMIDITY..........73-88 PERCENT.
* 20-FOOT WINDS.........NORTHWEST WINDS UP TO 3 MPH.
* MIXING HEIGHT.........400-900 FT AGL.
* TRANSPORT WINDS.......NORTHWEST AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
MONDAY
* SKY/WEATHER...........PARTLY SUNNY. AREAS OF FOG IN THE MORNING.
* MAX TEMPERATURE.......67-77.
* MIN HUMIDITY..........53-68 PERCENT.
* 20-FOOT WINDS.........LIGHT WINDS BECOMING WEST AROUND 3 MPH IN
THE AFTERNOON.
* MIXING HEIGHT.........900-1900 FT AGL.
* TRANSPORT WINDS.......WEST AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
MONDAY NIGHT
* SKY/WEATHER...........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* MIN TEMPERATURE.......47-57.
* MAX HUMIDITY..........85-100 PERCENT.
* 20-FOOT WINDS.........WEST WINDS AROUND 3 MPH IN THE EVENING
BECOMING LIGHT.
* MIXING HEIGHT.........400-1300 FT AGL.
* TRANSPORT WINDS.......WEST 5 TO 10 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
TUESDAY
* SKY/WEATHER...........MOSTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
* MAX TEMPERATURE.......62-72.
* MIN HUMIDITY..........49-64 PERCENT.
* 20-FOOT WINDS.........LIGHT WINDS BECOMING WEST AROUND 4 MPH IN
THE AFTERNOON.
* MIXING HEIGHT.........700 FT AGL INCREASING TO 3700 FT AGL IN THE
AFTERNOON.
* TRANSPORT WINDS.......WEST 5 TO 10 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. WEST WINDS
AROUND 4 MPH IN THE EVENING BECOMING LIGHT.
WEDNESDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. LIGHT WINDS.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. LIGHT
WINDS.
THURSDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN IN THE MORNING,
THEN CHANCE OF RAIN IN THE AFTERNOON. HIGHS IN THE MID 60S. LIGHT
WINDS.
THURSDAY NIGHT
RAIN LIKELY. LOWS IN THE UPPER 40S. LIGHT WINDS.
FRIDAY
MOSTLY CLOUDY. CHANCE OF RAIN IN THE MORNING, THEN RAIN
LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS
57 TO 67. WEST WINDS AROUND 3 MPH.
SATURDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN. LOWS IN THE MID
40S. HIGHS 59 TO 69.
SUNDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN. LOWS IN THE MID 40S.
HIGHS IN THE MID 60S.
.8 TO 14 DAY OUTLOOK FOR SEP 28 - OCT 04, 2026
NEAR NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.
WAZ656-211115-
NORTHEAST PUGET SOUND LOWLANDS GENERALLY BELOW 1500 FEET-
205 PM PDT SUN SEP 20 2026
TONIGHT
* SKY/WEATHER...........PARTLY CLOUDY. PATCHY FOG AFTER MIDNIGHT.
* MIN TEMPERATURE.......48-58.
* MAX HUMIDITY..........70-85 PERCENT.
* 20-FOOT WINDS.........LIGHT WINDS.
* MIXING HEIGHT.........300-600 FT AGL.
* TRANSPORT WINDS.......NORTHWEST AROUND 5 MPH SHIFTING TO THE
SOUTHEAST AFTER MIDNIGHT.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
MONDAY
* SKY/WEATHER...........MOSTLY SUNNY. PATCHY FOG IN THE MORNING.
* MAX TEMPERATURE.......64-74.
* MIN HUMIDITY..........55-70 PERCENT.
* 20-FOOT WINDS.........LIGHT WINDS BECOMING WEST 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.
MONDAY NIGHT
* SKY/WEATHER...........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* MIN TEMPERATURE.......45-55.
* MAX HUMIDITY..........80-95 PERCENT.
* 20-FOOT WINDS.........WEST WINDS AROUND 3 MPH IN THE EVENING
BECOMING LIGHT.
* MIXING HEIGHT.........300-900 FT AGL.
* TRANSPORT WINDS.......WEST AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
TUESDAY
* SKY/WEATHER...........PARTLY SUNNY.
* MAX TEMPERATURE.......57-67.
* MIN HUMIDITY..........58-73 PERCENT.
* 20-FOOT WINDS.........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...2 PERCENT.
TUESDAY NIGHT
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN AFTER
MIDNIGHT. LOWS AROUND 50. SOUTHWEST WINDS AROUND 3 MPH IN THE
EVENING BECOMING LIGHT.
WEDNESDAY
PARTLY SUNNY WITH SLIGHT CHANCE OF RAIN. HIGHS IN THE
MID 60S. LIGHT WINDS.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. LIGHT
WINDS.
THURSDAY
MOSTLY CLOUDY. CHANCE OF RAIN IN THE AFTERNOON. HIGHS
59 TO 69. LIGHT WINDS.
THURSDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN IN THE EVENING, THEN
RAIN LIKELY AFTER MIDNIGHT. LOWS IN THE UPPER 40S. LIGHT WINDS.
FRIDAY
RAIN LIKELY. HIGHS 55 TO 65. LIGHT WINDS.
SATURDAY
MOSTLY CLOUDY. CHANCE OF RAIN. LOWS IN THE MID 40S.
HIGHS 59 TO 69.
SUNDAY
MOSTLY CLOUDY. CHANCE OF RAIN. LOWS IN THE MID 40S. HIGHS
60 TO 70.
.8 TO 14 DAY OUTLOOK FOR SEP 28 - OCT 04, 2026
NEAR NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.
WAZ657-211115-
SOUTHEAST PUGET SOUND LOWLANDS GENERALLY BELOW 1500 FEET-
205 PM PDT SUN SEP 20 2026
TONIGHT
* SKY/WEATHER...........MOSTLY CLEAR. PATCHY FOG AFTER MIDNIGHT.
* MIN TEMPERATURE.......47-57.
* MAX HUMIDITY..........75-90 PERCENT.
* 20-FOOT WINDS.........LIGHT WINDS.
* MIXING HEIGHT.........300-700 FT AGL.
* TRANSPORT WINDS.......NORTH AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
MONDAY
* SKY/WEATHER...........MOSTLY SUNNY. PATCHY FOG IN THE MORNING.
* MAX TEMPERATURE.......64-74.
* MIN HUMIDITY..........58-73 PERCENT.
* 20-FOOT WINDS.........LIGHT WINDS.
* MIXING HEIGHT.........900-1900 FT AGL.
* TRANSPORT WINDS.......LIGHT WINDS BECOMING WEST AROUND 5 MPH IN
THE AFTERNOON.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
MONDAY NIGHT
* SKY/WEATHER...........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* MIN TEMPERATURE.......47-57.
* MAX HUMIDITY..........85-100 PERCENT.
* 20-FOOT WINDS.........LIGHT WINDS.
* MIXING HEIGHT.........400-1100 FT AGL.
* TRANSPORT WINDS.......NORTHWEST AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
TUESDAY
* SKY/WEATHER...........PARTLY SUNNY.
* MAX TEMPERATURE.......61-71.
* MIN HUMIDITY..........58-73 PERCENT.
* 20-FOOT WINDS.........LIGHT WINDS.
* MIXING HEIGHT.........600 FT AGL INCREASING TO 2800 FT AGL IN THE
AFTERNOON.
* TRANSPORT WINDS.......SOUTHWEST AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...1 PERCENT.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS 45 TO 55. LIGHT WINDS.
WEDNESDAY
PARTLY SUNNY. HIGHS IN THE MID 60S. LIGHT WINDS.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS 44 TO 54. LIGHT WINDS.
THURSDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN IN THE MORNING,
THEN CHANCE OF RAIN IN THE AFTERNOON. HIGHS IN THE LOWER 60S. LIGHT
WINDS.
THURSDAY NIGHT
RAIN LIKELY. LOWS IN THE UPPER 40S. LIGHT WINDS.
FRIDAY
MOSTLY CLOUDY. RAIN LIKELY IN THE MORNING, THEN CHANCE OF
RAIN IN THE AFTERNOON. HIGHS 56 TO 66. LIGHT WINDS.
SATURDAY
MOSTLY CLOUDY. CHANCE OF RAIN. LOWS 41 TO 51. HIGHS IN
THE LOWER 60S.
SUNDAY
MOSTLY CLOUDY. LOWS 41 TO 51. HIGHS IN THE MID 60S.
.8 TO 14 DAY OUTLOOK FOR SEP 28 - OCT 04, 2026
NEAR NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.
WAZ658-211115-
WEST SLOPES OF THE NORTH CASCADES GENERALLY ABOVE 1500 FEET-
205 PM PDT SUN SEP 20 2026
TONIGHT
* SKY/WEATHER...........MOSTLY CLEAR.
* MIN TEMPERATURE.......47-57...EXCEPT 44-54 RIDGES.
* MAX HUMIDITY..........68-83 PERCENT...EXCEPT 58-73 PERCENT
RIDGES.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..DOWNSLOPE/DOWNVALLEY 2 TO 3 MPH.
* RIDGES/UPR SLOPES...SOUTH WINDS 3 TO 6 MPH.
* MIXING HEIGHT.........300-700 FT AGL.
* TRANSPORT WINDS.......SOUTH AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
* FREEZING LEVEL........13000 FEET.
MONDAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......64-74...EXCEPT 61-71 RIDGES.
* MIN HUMIDITY..........48-63 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..UPSLOPE/UPVALLEY 2 TO 5 MPH.
* RIDGES/UPR SLOPES...SOUTHWEST WINDS 3 TO 6 MPH.
* MIXING HEIGHT.........500 FT AGL INCREASING TO 2500 FT AGL IN THE
AFTERNOON.
* TRANSPORT WINDS.......SOUTHWEST 5 TO 10 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
* FREEZING LEVEL........12500 FEET.
MONDAY NIGHT
* SKY/WEATHER...........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* MIN TEMPERATURE.......44-54...EXCEPT 39-49 RIDGES.
* MAX HUMIDITY..........79-94 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..DOWNSLOPE/DOWNVALLEY 2 TO 3 MPH.
* RIDGES/UPR SLOPES...SOUTHWEST WINDS 3 TO 6 MPH.
* MIXING HEIGHT.........300-900 FT AGL.
* TRANSPORT WINDS.......WEST AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
* FREEZING LEVEL........12000 FEET.
TUESDAY
* SKY/WEATHER...........PARTLY SUNNY.
* MAX TEMPERATURE.......56-66...EXCEPT 51-61 RIDGES.
* MIN HUMIDITY..........54-69 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..UPSLOPE/UPVALLEY 2 TO 5 MPH.
* RIDGES/UPR SLOPES...SOUTHWEST WINDS 3 TO 6 MPH.
* MIXING HEIGHT.........500 FT AGL INCREASING TO 2800 FT AGL IN THE
AFTERNOON.
* TRANSPORT WINDS.......WEST 5 TO 10 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...1 PERCENT.
* FREEZING LEVEL........10500 FEET.
TUESDAY NIGHT
MOSTLY CLOUDY. FREEZING LEVEL 8500 FEET. LOWS 42 TO
52 VALLEYS...36 TO 46 RIDGES. SOUTHWEST WINDS 3 TO 6 MPH.
WEDNESDAY
PARTLY SUNNY. SLIGHT CHANCE OF RAIN IN THE MORNING,
THEN CHANCE OF RAIN IN THE AFTERNOON. FREEZING LEVEL 7500 FEET.
HIGHS 55 TO 65 VALLEYS...46 TO 56 RIDGES. SOUTHWEST WINDS 3 TO
5 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. FREEZING LEVEL 8500 FEET. LOWS IN
THE MID 40S VALLEYS...35 TO 45 RIDGES. NORTH WINDS AROUND 3 MPH.
THURSDAY
MOSTLY CLOUDY. CHANCE OF RAIN IN THE AFTERNOON. FREEZING
LEVEL 9000 FEET. HIGHS 54 TO 64 VALLEYS...47 TO 57 RIDGES. EAST
WINDS AROUND 3 MPH.
THURSDAY NIGHT
RAIN LIKELY. FREEZING LEVEL 7500 FEET. LOWS IN THE
MID 40S VALLEYS...AROUND 40 RIDGES. WEST WINDS AROUND 3 MPH.
FRIDAY
RAIN AND SNOW LIKELY. FREEZING LEVEL 5500 FEET. HIGHS
48 TO 58 VALLEYS...39 TO 49 RIDGES. WEST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY. CHANCE OF RAIN AND SNOW. FREEZING LEVEL
6000 FEET. LOWS IN THE LOWER 40S VALLEYS...IN THE MID 30S RIDGES.
HIGHS 52 TO 62 VALLEYS...43 TO 53 RIDGES.
SUNDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN. FREEZING LEVEL
8000 FEET. LOWS 38 TO 48 VALLEYS...32 TO 42 RIDGES. HIGHS 54 TO
64 VALLEYS...45 TO 55 RIDGES.
.8 TO 14 DAY OUTLOOK FOR SEP 28 - OCT 04, 2026
NEAR NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.
WAZ659-211115-
WEST SLOPES OF THE CENTRAL CASCADES GENERALLY ABOVE 1500 FEET-
205 PM PDT SUN SEP 20 2026
TONIGHT
* SKY/WEATHER...........PARTLY CLOUDY.
* MIN TEMPERATURE.......48-58.
* MAX HUMIDITY..........69-84 PERCENT...EXCEPT 63-78 PERCENT
RIDGES.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..DOWNSLOPE/DOWNVALLEY 1 TO 2 MPH.
* RIDGES/UPR SLOPES...LIGHT WINDS BECOMING SOUTHEAST AROUND 4 MPH
AFTER MIDNIGHT.
* MIXING HEIGHT.........300-700 FT AGL.
* TRANSPORT WINDS.......EAST AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
* FREEZING LEVEL........13500 FEET.
MONDAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......65-75...EXCEPT 60-70 RIDGES.
* MIN HUMIDITY..........54-69 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.........700-1700 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.
* FREEZING LEVEL........13000 FEET.
MONDAY NIGHT
* SKY/WEATHER...........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* MIN TEMPERATURE.......46-56...EXCEPT 39-49 RIDGES.
* MAX HUMIDITY..........75-90 PERCENT...EXCEPT 80-95 PERCENT
RIDGES.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..DOWNSLOPE/DOWNVALLEY 1 TO 2 MPH.
* RIDGES/UPR SLOPES...WEST WINDS AROUND 3 MPH IN THE EVENING
BECOMING LIGHT.
* MIXING HEIGHT.........300-900 FT AGL.
* TRANSPORT WINDS.......WEST AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
* FREEZING LEVEL........13000 FEET.
TUESDAY
* SKY/WEATHER...........MOSTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
* MAX TEMPERATURE.......59-69...EXCEPT 49-59 RIDGES.
* MIN HUMIDITY..........60-75 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..UPSLOPE/UPVALLEY 1 TO 4 MPH.
* RIDGES/UPR SLOPES...WEST WINDS 3 TO 6 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.
TUESDAY NIGHT
MOSTLY CLOUDY. FREEZING LEVEL 9500 FEET. LOWS 42 TO
52 VALLEYS...AROUND 40 RIDGES. WEST WINDS 3 TO 5 MPH.
WEDNESDAY
PARTLY SUNNY. FREEZING LEVEL 9500 FEET. HIGHS 56 TO
66 VALLEYS...48 TO 58 RIDGES. LIGHT WINDS BECOMING WEST AROUND 4 MPH
IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLOUDY. FREEZING LEVEL 10500 FEET. LOWS
42 TO 52 VALLEYS...IN THE LOWER 40S RIDGES. LIGHT WINDS.
THURSDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN IN THE MORNING,
THEN CHANCE OF RAIN IN THE AFTERNOON. FREEZING LEVEL 9500 FEET.
HIGHS 55 TO 65 VALLEYS...48 TO 58 RIDGES. LIGHT WINDS.
THURSDAY NIGHT
RAIN LIKELY. FREEZING LEVEL 8000 FEET. LOWS 41 TO
51 VALLEYS...AROUND 40 RIDGES. WEST WINDS AROUND 3 MPH.
FRIDAY
RAIN LIKELY. FREEZING LEVEL 6000 FEET. HIGHS 49 TO
59 VALLEYS...IN THE MID 40S RIDGES. WEST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY. CHANCE OF RAIN. FREEZING LEVEL 6500 FEET.
LOWS 37 TO 47 VALLEYS...IN THE MID 30S RIDGES. HIGHS 52 TO
62 VALLEYS...43 TO 53 RIDGES.
SUNDAY
MOSTLY CLOUDY. FREEZING LEVEL 8500 FEET. LOWS 38 TO
48 VALLEYS...32 TO 42 RIDGES. HIGHS 55 TO 65 VALLEYS...46 TO
56 RIDGES.
.8 TO 14 DAY OUTLOOK FOR SEP 28 - OCT 04, 2026
NEAR NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.
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