082
FNUS56 KSEW 181020
FWFSEW
FIRE WEATHER PLANNING FORECAST FOR WESTERN WASHINGTON
NATIONAL WEATHER SERVICE SEATTLE WA
320 AM PDT SUN OCT 18 2026
DISCUSSION
UPPER LEVEL TROUGH EXITING THE GULF OF ALASKA TODAY WILL MOVE
BY TO THE WEST MONDAY. THE TROUGH WILL CONTINUE TO MOVE SOUTH
TUESDAY WITH A WEAK UPPER LEVEL RIDGE OVER THE AREA. ANOTHER
UPPER LEVEL TROUGH WILL APPROACH THE COAST WEDNESDAY. THE
ASSOCIATED WEAKENING FRONT WILL MOVE THROUGH WESTERN WASHINGTON
THURSDAY. COOL UPPER LEVEL TROUGH OVER THE AREA FRIDAY AND
SATURDAY.
FORECAST FOR 20 FOOT WIND SPEED (VALLEYS AND RIDGE TOPS) ARE 10
MINUTE AVERAGES REFLECTING RAWS WINDS.
WAZ649-182315-
NORTH AND CENTRAL COASTAL STRIP-
320 AM PDT SUN OCT 18 2026
TODAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......51-61.
* MIN HUMIDITY..........63-78 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..LIGHT WINDS BECOMING NORTH AROUND 3 MPH IN
THE AFTERNOON.
* RIDGES/UPR SLOPES...NORTHEAST WINDS AROUND 3 MPH IN THE MORNING
BECOMING LIGHT.
* MIXING HEIGHT.........500-1500 FT AGL.
* TRANSPORT WINDS.......NORTH AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY.
* MIN TEMPERATURE.......38-48.
* MAX HUMIDITY..........85-100 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..NORTH WINDS AROUND 3 MPH IN THE EVENING
BECOMING LIGHT.
* RIDGES/UPR SLOPES...LIGHT WINDS BECOMING EAST AROUND 3 MPH AFTER
MIDNIGHT.
* MIXING HEIGHT.........400-500 FT AGL.
* TRANSPORT WINDS.......NORTH AROUND 5 MPH SHIFTING TO THE EAST
AFTER MIDNIGHT.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
MONDAY
* SKY/WEATHER...........MOSTLY CLOUDY.
* MAX TEMPERATURE.......51-61.
* MIN HUMIDITY..........66-81 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..LIGHT WINDS.
* RIDGES/UPR SLOPES...EAST WINDS AROUND 3 MPH IN THE MORNING
BECOMING LIGHT.
* 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.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 37 TO 47. NORTH WINDS 3 TO
5 MPH.
TUESDAY
SUNNY. HIGHS AROUND 60. NORTHEAST WINDS 3 TO 5 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 38 TO 48. NORTHEAST WINDS 3 TO
5 MPH.
WEDNESDAY
SUNNY. HIGHS 55 TO 65. LIGHT WINDS BECOMING NORTHWEST
AROUND 3 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS 41 TO 51. NORTHWEST WINDS
AROUND 3 MPH.
THURSDAY
PARTLY SUNNY WITH SLIGHT CHANCE OF SHOWERS. HIGHS IN THE
UPPER 50S. NORTHWEST WINDS AROUND 5 MPH.
FRIDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. LOWS 39 TO 49.
HIGHS IN THE MID 50S.
SATURDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS. LOWS 36 TO 46. HIGHS
IN THE MID 50S.
.8 TO 14 DAY OUTLOOK FOR OCT 25 - 31 2026
NEAR NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.
WAZ650-182315-
NORTH COASTAL LOWLANDS-
320 AM PDT SUN OCT 18 2026
TODAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......51-61.
* MIN HUMIDITY..........54-69 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..NORTH WINDS 3 TO 4 MPH.
* RIDGES/UPR SLOPES...NORTHEAST WINDS 3 TO 4 MPH.
* MIXING HEIGHT.........700-1700 FT AGL.
* TRANSPORT WINDS.......NORTHEAST AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY.
* MIN TEMPERATURE.......38-48.
* MAX HUMIDITY..........73-88 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..NORTHEAST WINDS UP TO 3 MPH.
* RIDGES/UPR SLOPES...LIGHT WINDS BECOMING EAST AROUND 3 MPH AFTER
MIDNIGHT.
* MIXING HEIGHT.........400-500 FT AGL.
* TRANSPORT WINDS.......EAST AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
MONDAY
* SKY/WEATHER...........MOSTLY CLOUDY.
* MAX TEMPERATURE.......50-60.
* MIN HUMIDITY..........55-70 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..LIGHT WINDS.
* RIDGES/UPR SLOPES...LIGHT WINDS.
* MIXING HEIGHT.........500 FT AGL INCREASING TO 2500 FT AGL IN THE
AFTERNOON.
* TRANSPORT WINDS.......SOUTHEAST AROUND 5 MPH SHIFTING TO THE WEST
IN THE AFTERNOON.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
MONDAY NIGHT
PARTLY CLOUDY. LOWS 36 TO 46. LIGHT WINDS.
TUESDAY
WARMER, SUNNY. HIGHS 56 TO 66. NORTHEAST WINDS 3 TO
5 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. LOWS 38 TO 48. LIGHT WINDS BECOMING
NORTHEAST AROUND 3 MPH AFTER MIDNIGHT.
WEDNESDAY
SUNNY. HIGHS 57 TO 67. LIGHT WINDS.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS 40 TO 50. LIGHT WINDS.
THURSDAY
PARTLY SUNNY. SLIGHT CHANCE OF SHOWERS IN THE AFTERNOON.
HIGHS 51 TO 61. LIGHT WINDS.
FRIDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. LOWS IN THE LOWER
40S. HIGHS 51 TO 61.
SATURDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. LOWS 35 TO 45.
HIGHS 51 TO 61.
.8 TO 14 DAY OUTLOOK FOR OCT 25 - 31 2026
NEAR NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.
WAZ651-182315-
CENTRAL COASTAL LOWLANDS-
320 AM PDT SUN OCT 18 2026
TODAY
* SKY/WEATHER...........MOSTLY SUNNY. PATCHY FOG IN THE MORNING.
* MAX TEMPERATURE.......50-60.
* MIN HUMIDITY..........54-69 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..NORTHEAST WINDS 3 TO 4 MPH.
* RIDGES/UPR SLOPES...NORTHEAST WINDS AROUND 3 MPH IN THE MORNING
BECOMING LIGHT.
* MIXING HEIGHT.........500 FT AGL INCREASING TO 2500 FT AGL IN THE
AFTERNOON.
* TRANSPORT WINDS.......NORTHEAST AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY.
* MIN TEMPERATURE.......35-45.
* MAX HUMIDITY..........80-95 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..LIGHT WINDS.
* RIDGES/UPR SLOPES...NORTHEAST WINDS UP TO 3 MPH.
* MIXING HEIGHT.........400-600 FT AGL.
* TRANSPORT WINDS.......EAST AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
MONDAY
* SKY/WEATHER...........MOSTLY CLOUDY.
* MAX TEMPERATURE.......49-59.
* MIN HUMIDITY..........59-74 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..LIGHT WINDS.
* RIDGES/UPR SLOPES...EAST WINDS AROUND 3 MPH IN THE MORNING
BECOMING LIGHT.
* MIXING HEIGHT.........500 FT AGL INCREASING TO 2900 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...0 PERCENT.
MONDAY NIGHT
PARTLY CLOUDY. PATCHY FOG AFTER MIDNIGHT. LOWS 34 TO
44. LIGHT WINDS.
TUESDAY
SUNNY. AREAS OF FROST IN THE MORNING. HIGHS IN THE LOWER
60S. NORTHEAST WINDS 3 TO 5 MPH.
TUESDAY NIGHT
CLEAR. LOWS 35 TO 45. LIGHT WINDS BECOMING
NORTHEAST AROUND 3 MPH AFTER MIDNIGHT.
WEDNESDAY...SUNNY. HIGHS IN THE MID 60S VALLEYS
AROUND 60 RIDGES.
NORTHEAST WINDS AROUND 3 MPH IN THE MORNING BECOMING LIGHT.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS 38 TO 48. LIGHT WINDS.
THURSDAY
PARTLY SUNNY WITH SLIGHT CHANCE OF SHOWERS. HIGHS IN THE
UPPER 50S VALLEYS...IN THE LOWER 50S RIDGES. WEST WINDS AROUND
3 MPH.
FRIDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. LOWS 36 TO 46.
HIGHS IN THE UPPER 50S VALLEYS...IN THE LOWER 50S RIDGES.
SATURDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS. LOWS 33 TO 43. HIGHS
IN THE UPPER 50S VALLEYS...IN THE LOWER 50S RIDGES.
.8 TO 14 DAY OUTLOOK FOR OCT 25 - 31 2026
NEAR NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.
WAZ652-182315-
WEST PORTION OF THE OLYMPIC MOUNTAINS-
320 AM PDT SUN OCT 18 2026
TODAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......49-59...EXCEPT 44-54 RIDGES.
* MIN HUMIDITY..........46-61 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..UPSLOPE/UPVALLEY 2 TO 3 MPH.
* RIDGES/UPR SLOPES...NORTHEAST WINDS AROUND 4 MPH IN THE MORNING
BECOMING LIGHT.
* MIXING HEIGHT.........900-1900 FT AGL.
* TRANSPORT WINDS.......NORTHEAST AROUND 5 MPH SHIFTING TO THE
SOUTH IN THE AFTERNOON.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
* FREEZING LEVEL........8000 FEET.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY.
* MIN TEMPERATURE.......37-47...EXCEPT 34-44 RIDGES.
* MAX HUMIDITY..........66-81 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..DOWNSLOPE/DOWNVALLEY AROUND 2 MPH.
* RIDGES/UPR SLOPES...EAST WINDS 3 TO 4 MPH.
* MIXING HEIGHT.........400-600 FT AGL.
* TRANSPORT WINDS.......SOUTHEAST AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
* FREEZING LEVEL........8500 FEET.
MONDAY
* SKY/WEATHER...........MOSTLY CLOUDY.
* MAX TEMPERATURE.......47-57...EXCEPT 43-53 RIDGES.
* MIN HUMIDITY..........53-68 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..UPSLOPE/UPVALLEY AROUND 2 MPH.
* RIDGES/UPR SLOPES...LIGHT WINDS.
* MIXING HEIGHT.........500 FT AGL INCREASING TO 2900 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...0 PERCENT.
* FREEZING LEVEL........7000 FEET.
MONDAY NIGHT
PARTLY CLOUDY. FREEZING LEVEL 7500 FEET. LOWS 33 TO
43. LIGHT WINDS BECOMING NORTHEAST AROUND 5 MPH AFTER MIDNIGHT.
TUESDAY
WARMER. SUNNY. FREEZING LEVEL 9000 FEET. HIGHS 52 TO 62.
NORTHEAST WINDS AROUND 6 MPH IN THE MORNING BECOMING LIGHT.
TUESDAY NIGHT
CLEAR. FREEZING LEVEL 10000 FEET. LOWS 39 TO 49.
NORTHEAST WINDS 3 TO 5 MPH.
WEDNESDAY
SUNNY. FREEZING LEVEL 10000 FEET. HIGHS 54 TO 64.
NORTHEAST WINDS AROUND 3 MPH SHIFTING TO THE WEST IN THE AFTERNOON.
WEDNESDAY NIGHT
PARTLY CLOUDY. FREEZING LEVEL 10000 FEET. LOWS
40 TO 50. LIGHT WINDS.
THURSDAY
PARTLY SUNNY. SLIGHT CHANCE OF SHOWERS IN THE AFTERNOON.
FREEZING LEVEL 8500 FEET. HIGHS 45 TO 55. WEST WINDS AROUND 3 MPH.
FRIDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. FREEZING LEVEL
7500 FEET. LOWS 34 TO 44. HIGHS 46 TO 56 VALLEYS...41 TO 51 RIDGES.
SATURDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT CHANCE OF
SNOW SHOWERS. FREEZING LEVEL 8000 FEET. LOWS 32 TO 42. HIGHS 46 TO
56 VALLEYS...41 TO 51 RIDGES.
.8 TO 14 DAY OUTLOOK FOR OCT 25 - 31 2026
NEAR NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.
WAZ661-182315-
EAST PORTION OF THE OLYMPIC MOUNTAINS-
320 AM PDT SUN OCT 18 2026
TODAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......48-58...EXCEPT 43-53 RIDGES.
* MIN HUMIDITY..........48-63 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..UPSLOPE/UPVALLEY AROUND 2 MPH.
* RIDGES/UPR SLOPES...NORTH WINDS AROUND 3 MPH IN THE MORNING
BECOMING LIGHT.
* MIXING HEIGHT.........800-1800 FT AGL.
* TRANSPORT WINDS.......NORTHEAST AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
* FREEZING LEVEL........8000 FEET.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY.
* MIN TEMPERATURE.......32-42.
* MAX HUMIDITY..........65-80 PERCENT...EXCEPT 57-72 PERCENT
RIDGES.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..DOWNSLOPE/DOWNVALLEY AROUND 1 MPH.
* RIDGES/UPR SLOPES...LIGHT WINDS.
* MIXING HEIGHT.........400-500 FT AGL.
* TRANSPORT WINDS.......EAST AROUND 5 MPH SHIFTING TO THE SOUTH
AFTER MIDNIGHT.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
* FREEZING LEVEL........9000 FEET.
MONDAY
* SKY/WEATHER...........MOSTLY CLOUDY.
* MAX TEMPERATURE.......47-57...EXCEPT 42-52 RIDGES.
* MIN HUMIDITY..........53-68 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..UPSLOPE/UPVALLEY 1 TO 2 MPH.
* RIDGES/UPR SLOPES...EAST WINDS UP TO 3 MPH.
* MIXING HEIGHT.........500 FT AGL INCREASING TO 2500 FT AGL IN THE
AFTERNOON.
* TRANSPORT WINDS.......SOUTH AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
* FREEZING LEVEL........7000 FEET.
MONDAY NIGHT
PARTLY CLOUDY. FREEZING LEVEL 7500 FEET. LOWS 32 TO
42. LIGHT WINDS BECOMING NORTH AROUND 4 MPH AFTER MIDNIGHT.
TUESDAY
WARMER. SUNNY. FREEZING LEVEL 9000 FEET. HIGHS 52 TO
62 VALLEYS...45 TO 55 RIDGES. NORTHEAST WINDS 3 TO 6 MPH.
TUESDAY NIGHT
CLEAR. FREEZING LEVEL 10000 FEET. LOWS 37 TO 47.
NORTH WINDS 3 TO 5 MPH.
WEDNESDAY
SUNNY. FREEZING LEVEL 10000 FEET. HIGHS 56 TO
66 VALLEYS...49 TO 59 RIDGES. LIGHT WINDS.
WEDNESDAY NIGHT
PARTLY CLOUDY. FREEZING LEVEL 10000 FEET. LOWS
37 TO 47. LIGHT WINDS.
THURSDAY
PARTLY SUNNY. SLIGHT CHANCE OF SHOWERS IN THE AFTERNOON.
FREEZING LEVEL 8500 FEET. HIGHS 48 TO 58 VALLEYS...40 TO 50 RIDGES.
LIGHT WINDS.
FRIDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. FREEZING LEVEL
7500 FEET. LOWS 34 TO 44 VALLEYS...29 TO 39 RIDGES. HIGHS 46 TO
56 VALLEYS...38 TO 48 RIDGES.
SATURDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. FREEZING LEVEL
8000 FEET. LOWS 29 TO 39. HIGHS 45 TO 55 VALLEYS...38 TO 48 RIDGES.
.8 TO 14 DAY OUTLOOK FOR OCT 25 - 31 2026
NEAR NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.
WAZ653-182315-
STRAIT OF JUAN DE FUCA AND NORTHWEST INTERIOR LOWLANDS-
320 AM PDT SUN OCT 18 2026
TODAY
* SKY/WEATHER...........MOSTLY SUNNY. PATCHY FOG IN THE MORNING.
* MAX TEMPERATURE.......49-59.
* MIN HUMIDITY..........64-79 PERCENT.
* 20-FOOT WINDS.........LIGHT WINDS BECOMING NORTH AROUND 4 MPH IN
THE AFTERNOON.
* MIXING HEIGHT.........500-1300 FT AGL.
* TRANSPORT WINDS.......NORTH 5 TO 10 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY.
* MIN TEMPERATURE.......37-47.
* MAX HUMIDITY..........73-88 PERCENT.
* 20-FOOT WINDS.........NORTHWEST WINDS AROUND 3 MPH IN THE EVENING
BECOMING LIGHT.
* MIXING HEIGHT.........400-500 FT AGL.
* TRANSPORT WINDS.......NORTH AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
MONDAY
* SKY/WEATHER...........MOSTLY CLOUDY.
* MAX TEMPERATURE.......50-60.
* MIN HUMIDITY..........63-78 PERCENT.
* 20-FOOT WINDS.........LIGHT WINDS.
* MIXING HEIGHT.........600-1600 FT AGL.
* TRANSPORT WINDS.......NORTHWEST AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
MONDAY NIGHT
PARTLY CLOUDY. PATCHY FOG AFTER MIDNIGHT. LOWS 38 TO
48. NORTHWEST WINDS AROUND 3 MPH IN THE EVENING BECOMING LIGHT.
TUESDAY
SUNNY. HIGHS 54 TO 64. NORTH WINDS 4 TO 7 MPH.
TUESDAY NIGHT
MOSTLY CLEAR. PATCHY FOG AFTER MIDNIGHT. LOWS 38 TO
48. NORTHWEST WINDS AROUND 4 MPH IN THE EVENING BECOMING LIGHT.
WEDNESDAY
SUNNY. PATCHY FOG IN THE MORNING. HIGHS 55 TO 65. LIGHT
WINDS.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS 40 TO 50. LIGHT WINDS.
THURSDAY
MOSTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS. HIGHS IN
THE MID 50S. SOUTHWEST WINDS AROUND 3 MPH.
FRIDAY
PARTLY CLOUDY. CHANCE OF SHOWERS. LOWS 38 TO 48. HIGHS IN
THE MID 50S.
SATURDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. LOWS 35 TO 45.
HIGHS 50 TO 60.
.8 TO 14 DAY OUTLOOK FOR OCT 25 - 31 2026
NEAR NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.
WAZ654-182315-
CENTRAL AND SOUTH PUGET SOUND LOWLANDS-
320 AM PDT SUN OCT 18 2026
TODAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......52-62.
* MIN HUMIDITY..........59-74 PERCENT.
* 20-FOOT WINDS.........NORTH WINDS 3 TO 6 MPH.
* MIXING HEIGHT.........1000-2000 FT AGL.
* TRANSPORT WINDS.......NORTH 5 TO 10 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY. AREAS OF FOG AFTER MIDNIGHT.
* MIN TEMPERATURE.......37-47.
* MAX HUMIDITY..........69-84 PERCENT.
* 20-FOOT WINDS.........NORTH WINDS AROUND 4 MPH IN THE EVENING
BECOMING LIGHT.
* MIXING HEIGHT.........400-800 FT AGL.
* TRANSPORT WINDS.......NORTH 5 TO 10 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
MONDAY
* SKY/WEATHER...........MOSTLY CLOUDY. AREAS OF FOG IN THE MORNING.
* MAX TEMPERATURE.......51-61.
* MIN HUMIDITY..........59-74 PERCENT.
* 20-FOOT WINDS.........LIGHT WINDS BECOMING NORTH AROUND 3 MPH IN
THE AFTERNOON.
* MIXING HEIGHT.........500 FT AGL INCREASING TO 2500 FT AGL IN THE
AFTERNOON.
* TRANSPORT WINDS.......LIGHT WINDS BECOMING SOUTHWEST AROUND 5 MPH
IN THE AFTERNOON.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
MONDAY NIGHT
MOSTLY CLOUDY. PATCHY FOG AFTER MIDNIGHT. LOWS 37 TO
47. NORTH WINDS 3 TO 6 MPH.
TUESDAY
SUNNY. HIGHS IN THE LOWER 60S. NORTH WINDS 5 TO 9 MPH.
TUESDAY NIGHT
CLEAR. PATCHY FOG AFTER MIDNIGHT. LOWS 37 TO 47.
NORTH WINDS 3 TO 6 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE MID 60S. NORTHEAST WINDS UP TO
3 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS 38 TO 48. LIGHT WINDS.
THURSDAY
PARTLY SUNNY. SLIGHT CHANCE OF SHOWERS IN THE AFTERNOON.
HIGHS IN THE UPPER 50S. LIGHT WINDS.
FRIDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. LOWS 37 TO 47.
HIGHS IN THE UPPER 50S.
SATURDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. LOWS 34 TO 44.
HIGHS IN THE MID 50S.
.8 TO 14 DAY OUTLOOK FOR OCT 25 - 31 2026
NEAR NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.
WAZ655-182315-
BLACK HILLS AND SOUTHWEST INTERIOR LOWLANDS-
320 AM PDT SUN OCT 18 2026
TODAY
* SKY/WEATHER...........MOSTLY SUNNY. PATCHY FOG IN THE MORNING.
* MAX TEMPERATURE.......54-64.
* MIN HUMIDITY..........45-60 PERCENT.
* 20-FOOT WINDS.........LIGHT WINDS BECOMING NORTHEAST AROUND 5 MPH
IN THE AFTERNOON.
* MIXING HEIGHT.........1000-2000 FT AGL.
* TRANSPORT WINDS.......NORTHEAST 5 TO 10 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY. AREAS OF FOG AFTER MIDNIGHT.
* MIN TEMPERATURE.......37-47.
* MAX HUMIDITY..........72-87 PERCENT.
* 20-FOOT WINDS.........NORTHEAST WINDS UP TO 3 MPH.
* MIXING HEIGHT.........400-700 FT AGL.
* TRANSPORT WINDS.......NORTHEAST AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
MONDAY
* SKY/WEATHER...........MOSTLY CLOUDY. AREAS OF FOG IN THE MORNING.
* MAX TEMPERATURE.......52-62.
* MIN HUMIDITY..........54-69 PERCENT.
* 20-FOOT WINDS.........LIGHT WINDS.
* MIXING HEIGHT.........500 FT AGL INCREASING TO 3000 FT AGL IN THE
AFTERNOON.
* TRANSPORT WINDS.......SOUTH AROUND 5 MPH SHIFTING TO THE WEST IN
THE AFTERNOON.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
MONDAY NIGHT
MOSTLY CLOUDY. PATCHY FOG AFTER MIDNIGHT. LOWS 34 TO
44. LIGHT WINDS BECOMING NORTHEAST AROUND 3 MPH AFTER MIDNIGHT.
TUESDAY
SUNNY. PATCHY FOG AND FROST IN THE MORNING. HIGHS IN THE
MID 60S. NORTHEAST WINDS 3 TO 6 MPH.
TUESDAY NIGHT
CLEAR. PATCHY FOG AFTER MIDNIGHT. LOWS 36 TO 46.
NORTHEAST WINDS AROUND 3 MPH IN THE EVENING BECOMING LIGHT.
WEDNESDAY
SUNNY. PATCHY FOG AND FROST IN THE MORNING. HIGHS IN
THE UPPER 60S. NORTHEAST WINDS UP TO 3 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS 37 TO 47. LIGHT WINDS.
THURSDAY
PARTLY SUNNY. SLIGHT CHANCE OF SHOWERS IN THE AFTERNOON.
HIGHS AROUND 60. LIGHT WINDS.
FRIDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. LOWS 34 TO 44.
HIGHS IN THE UPPER 50S.
SATURDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. LOWS 31 TO 41.
HIGHS IN THE UPPER 50S.
.8 TO 14 DAY OUTLOOK FOR OCT 25 - 31 2026
NEAR NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.
WAZ656-182315-
NORTHEAST PUGET SOUND LOWLANDS GENERALLY BELOW 1500 FEET-
320 AM PDT SUN OCT 18 2026
TODAY
* SKY/WEATHER...........MOSTLY SUNNY. PATCHY FOG IN THE MORNING.
* MAX TEMPERATURE.......51-61.
* MIN HUMIDITY..........50-65 PERCENT.
* 20-FOOT WINDS.........LIGHT WINDS.
* MIXING HEIGHT.........600-1600 FT AGL.
* TRANSPORT WINDS.......NORTHEAST AROUND 5 MPH SHIFTING TO THE
NORTH IN THE AFTERNOON.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY.
* MIN TEMPERATURE.......37-47.
* MAX HUMIDITY..........67-82 PERCENT.
* 20-FOOT WINDS.........NORTHEAST WINDS UP TO 3 MPH.
* MIXING HEIGHT.........300-500 FT AGL.
* TRANSPORT WINDS.......NORTHEAST AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
MONDAY
* SKY/WEATHER...........MOSTLY CLOUDY.
* MAX TEMPERATURE.......50-60.
* MIN HUMIDITY..........53-68 PERCENT.
* 20-FOOT WINDS.........LIGHT WINDS.
* 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.
MONDAY NIGHT
MOSTLY CLOUDY. PATCHY FOG AFTER MIDNIGHT. LOWS 35 TO
45. LIGHT WINDS.
TUESDAY
WARMER, SUNNY. PATCHY FOG IN THE MORNING. HIGHS 58 TO 68.
LIGHT WINDS.
TUESDAY NIGHT
MOSTLY CLEAR. PATCHY FOG AFTER MIDNIGHT. LOWS 37 TO
47. LIGHT WINDS BECOMING EAST AROUND 3 MPH AFTER MIDNIGHT.
WEDNESDAY
SUNNY. PATCHY FOG IN THE MORNING. HIGHS 61 TO 71. LIGHT
WINDS.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS 40 TO 50. LIGHT WINDS.
THURSDAY
PARTLY SUNNY. SLIGHT CHANCE OF SHOWERS IN THE AFTERNOON.
HIGHS 54 TO 64. LIGHT WINDS.
FRIDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS. LOWS IN THE LOWER 40S.
HIGHS 51 TO 61.
SATURDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. LOWS 33 TO 43.
HIGHS 52 TO 62.
.8 TO 14 DAY OUTLOOK FOR OCT 25 - 31 2026
NEAR NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.
WAZ657-182315-
SOUTHEAST PUGET SOUND LOWLANDS GENERALLY BELOW 1500 FEET-
320 AM PDT SUN OCT 18 2026
TODAY
* SKY/WEATHER...........MOSTLY SUNNY. PATCHY FOG IN THE MORNING.
* MAX TEMPERATURE.......53-63.
* MIN HUMIDITY..........54-69 PERCENT.
* 20-FOOT WINDS.........LIGHT WINDS BECOMING NORTH AROUND 3 MPH IN
THE AFTERNOON.
* MIXING HEIGHT.........800-1800 FT AGL.
* TRANSPORT WINDS.......NORTHEAST AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY.
* MIN TEMPERATURE.......37-47.
* MAX HUMIDITY..........73-88 PERCENT.
* 20-FOOT WINDS.........NORTHEAST WINDS UP TO 3 MPH.
* MIXING HEIGHT.........300-700 FT AGL.
* TRANSPORT WINDS.......NORTHEAST AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
MONDAY
* SKY/WEATHER...........MOSTLY CLOUDY.
* MAX TEMPERATURE.......52-62.
* MIN HUMIDITY..........59-74 PERCENT.
* 20-FOOT WINDS.........LIGHT WINDS.
* MIXING HEIGHT.........500 FT AGL INCREASING TO 2500 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...0 PERCENT.
MONDAY NIGHT
MOSTLY CLOUDY. AREAS OF FOG AFTER MIDNIGHT. LOWS
37 TO 47. NORTHEAST WINDS UP TO 3 MPH.
TUESDAY
MOSTLY SUNNY. PATCHY FOG IN THE MORNING. HIGHS IN THE
LOWER 60S. LIGHT WINDS BECOMING NORTH AROUND 3 MPH IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLEAR. PATCHY FOG AFTER MIDNIGHT. LOWS 37 TO
47. NORTH WINDS AROUND 3 MPH IN THE EVENING BECOMING LIGHT.
WEDNESDAY
SUNNY. PATCHY FOG IN THE MORNING. HIGHS IN THE MID 60S.
LIGHT WINDS.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS 39 TO 49. LIGHT WINDS.
THURSDAY
PARTLY SUNNY. SLIGHT CHANCE OF SHOWERS IN THE AFTERNOON.
HIGHS IN THE UPPER 50S. LIGHT WINDS.
FRIDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS. LOWS 37 TO 47. HIGHS
52 TO 62.
SATURDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. LOWS 33 TO 43.
HIGHS IN THE UPPER 50S.
.8 TO 14 DAY OUTLOOK FOR OCT 25 - 31 2026
NEAR NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.
WAZ658-182315-
WEST SLOPES OF THE NORTH CASCADES GENERALLY ABOVE 1500 FEET-
320 AM PDT SUN OCT 18 2026
TODAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......49-59...EXCEPT 43-53 RIDGES.
* MIN HUMIDITY..........45-60 PERCENT...EXCEPT 37-52 PERCENT
RIDGES.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..UPSLOPE/UPVALLEY 2 TO 3 MPH.
* RIDGES/UPR SLOPES...NORTHEAST WINDS AROUND 4 MPH IN THE MORNING
BECOMING LIGHT.
* MIXING HEIGHT.........800-1800 FT AGL.
* TRANSPORT WINDS.......NORTHEAST AROUND 5 MPH SHIFTING TO THE
SOUTH IN THE AFTERNOON.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
* FREEZING LEVEL........7500 FEET.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY.
* MIN TEMPERATURE.......36-46...EXCEPT 31-41 RIDGES.
* MAX HUMIDITY..........58-73 PERCENT...EXCEPT 50-65 PERCENT
RIDGES.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..DOWNSLOPE/DOWNVALLEY AROUND 3 MPH.
* RIDGES/UPR SLOPES...EAST WINDS 3 TO 6 MPH.
* MIXING HEIGHT.........300-400 FT AGL.
* TRANSPORT WINDS.......EAST AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
* FREEZING LEVEL........9000 FEET.
MONDAY
* SKY/WEATHER...........MOSTLY CLOUDY.
* MAX TEMPERATURE.......48-58...EXCEPT 42-52 RIDGES.
* MIN HUMIDITY..........48-63 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..UPSLOPE/UPVALLEY AROUND 2 MPH.
* RIDGES/UPR SLOPES...SOUTHEAST WINDS AROUND 3 MPH SHIFTING TO THE
WEST IN THE AFTERNOON.
* MIXING HEIGHT.........500 FT AGL INCREASING TO 2600 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...0 PERCENT.
* FREEZING LEVEL........7500 FEET.
MONDAY NIGHT
MOSTLY CLOUDY. FREEZING LEVEL 7500 FEET. LOWS IN THE
UPPER 30S VALLEYS...IN THE MID 30S RIDGES. LIGHT WINDS BECOMING
NORTHEAST AROUND 4 MPH AFTER MIDNIGHT.
TUESDAY...SUNNY. FREEZING LEVEL 9000 FEET. HIGHS 54 TO 64 VALLEYS
47 TO 57 RIDGES. NORTHEAST WINDS AROUND 6 MPH IN THE MORNING
BECOMING LIGHT.
TUESDAY NIGHT
MOSTLY CLEAR. FREEZING LEVEL 10000 FEET. LOWS 35 TO
45. NORTHEAST WINDS 3 TO 7 MPH.
WEDNESDAY
SUNNY. FREEZING LEVEL 10000 FEET. HIGHS 57 TO
67 VALLEYS...51 TO 61 RIDGES. EAST WINDS AROUND 6 MPH IN THE MORNING
BECOMING LIGHT.
WEDNESDAY NIGHT
PARTLY CLOUDY. FREEZING LEVEL 9500 FEET. LOWS
37 TO 47. SOUTH WINDS AROUND 3 MPH.
THURSDAY
PARTLY SUNNY. SLIGHT CHANCE OF SHOWERS IN THE AFTERNOON.
FREEZING LEVEL 8500 FEET. HIGHS 49 TO 59 VALLEYS...42 TO 52 RIDGES.
WEST WINDS AROUND 3 MPH.
FRIDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS. FREEZING LEVEL
7000 FEET. LOWS 35 TO 45 VALLEYS...30 TO 40 RIDGES. HIGHS 44 TO
54 VALLEYS...36 TO 46 RIDGES.
SATURDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. FREEZING LEVEL
7500 FEET. LOWS 31 TO 41 VALLEYS...26 TO 36 RIDGES. HIGHS 46 TO
56 VALLEYS...38 TO 48 RIDGES.
.8 TO 14 DAY OUTLOOK FOR OCT 25 - 31 2026
NEAR NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.
WAZ659-182315-
WEST SLOPES OF THE CENTRAL CASCADES GENERALLY ABOVE 1500 FEET-
320 AM PDT SUN OCT 18 2026
TODAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......52-62...EXCEPT 45-55 RIDGES.
* MIN HUMIDITY..........47-62 PERCENT...EXCEPT 39-54 PERCENT
RIDGES.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..UPSLOPE/UPVALLEY 2 TO 3 MPH.
* RIDGES/UPR SLOPES...EAST WINDS AROUND 3 MPH IN THE MORNING
BECOMING LIGHT.
* MIXING HEIGHT.........800-1800 FT AGL.
* TRANSPORT WINDS.......EAST AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
* FREEZING LEVEL........9500 FEET.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY.
* MIN TEMPERATURE.......35-45...EXCEPT 32-42 RIDGES.
* MAX HUMIDITY..........69-84 PERCENT...EXCEPT 64-79 PERCENT
RIDGES.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..DOWNSLOPE/DOWNVALLEY AROUND 2 MPH.
* RIDGES/UPR SLOPES...SOUTHEAST WINDS 3 TO 5 MPH.
* MIXING HEIGHT.........300-500 FT AGL.
* TRANSPORT WINDS.......SOUTHEAST AROUND 5 MPH.
* CWR (>0.25)...........0 PERCENT.
* CHANCE OF LIGHTNING...0 PERCENT.
* FREEZING LEVEL........10500 FEET.
MONDAY
* SKY/WEATHER...........MOSTLY CLOUDY.
* MAX TEMPERATURE.......49-59...EXCEPT 41-51 RIDGES.
* MIN HUMIDITY..........55-70 PERCENT.
* 20-FOOT WINDS.........
* VALLEYS/LWR SLOPES..UPSLOPE/UPVALLEY 1 TO 2 MPH.
* RIDGES/UPR SLOPES...LIGHT WINDS.
* MIXING HEIGHT.........600 FT AGL INCREASING TO 2700 FT AGL IN THE
AFTERNOON.
* 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........8000 FEET.
MONDAY NIGHT
MOSTLY CLOUDY. FREEZING LEVEL 8000 FEET. LOWS 33 TO
43. LIGHT WINDS BECOMING NORTHEAST AROUND 3 MPH AFTER MIDNIGHT.
TUESDAY
WARMER. MOSTLY SUNNY. FREEZING LEVEL 9000 FEET. HIGHS
56 TO 66 VALLEYS...49 TO 59 RIDGES. EAST WINDS AROUND 4 MPH IN THE
MORNING BECOMING LIGHT.
TUESDAY NIGHT
MOSTLY CLEAR. FREEZING LEVEL 10500 FEET. LOWS 37 TO
47. EAST WINDS 3 TO 7 MPH.
WEDNESDAY
SUNNY. FREEZING LEVEL 10500 FEET. HIGHS 60 TO
70 VALLEYS...IN THE UPPER 50S RIDGES. EAST WINDS AROUND 6 MPH IN THE
MORNING BECOMING LIGHT.
WEDNESDAY NIGHT
PARTLY CLOUDY. FREEZING LEVEL 10500 FEET. LOWS
37 TO 47. LIGHT WINDS.
THURSDAY
PARTLY SUNNY. FREEZING LEVEL 9000 FEET. HIGHS 50 TO
60 VALLEYS...43 TO 53 RIDGES. LIGHT WINDS.
FRIDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS. FREEZING LEVEL
7500 FEET. LOWS 34 TO 44 VALLEYS...IN THE MID 30S RIDGES. HIGHS
45 TO 55 VALLEYS...37 TO 47 RIDGES.
SATURDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. FREEZING LEVEL
8500 FEET. LOWS 31 TO 41 VALLEYS...IN THE LOWER 30S RIDGES. HIGHS
47 TO 57 VALLEYS...IN THE LOWER 40S RIDGES.
.8 TO 14 DAY OUTLOOK FOR OCT 25 - 31 2026
NEAR NORMAL TEMPERATURES AND ABOVE NORMAL PRECIPITATION.
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