259
FNUS56 KSEW 102230
FWFSEW
FIRE WEATHER PLANNING FORECAST FOR WESTERN WASHINGTON
NATIONAL WEATHER SERVICE SEATTLE WA
330 PM PDT SUN MAY 10 2026
DISCUSSION
A WEAK SYSTEM CLIPPING THE REGION HAS BROUGHT IN AN EXPANSIVE
CUMULUS FIELD WITH PARTLY SUNNY SKIES. A WARMING TREND IS
EXPECTED THROUGH TUESDAY. THEREAFTER, CONDITIONS BECOME MORE
UNSETTLED WITH A CHANCE FOR ISOLATED THUNDERSTORMS ON WEDNESDAY.
CLOUDY AND COOLER CONDITIONS WILL PERSIST THROUGH THE END OF THE
WEEK.
FORECAST FOR 20 FOOT WIND SPEED (VALLEYS AND RIDGE TOPS) ARE 10
MINUTE AVERAGES REFLECTING RAWS WINDS.
WAZ649-111100-
NORTH AND CENTRAL COASTAL STRIP-
330 PM PDT SUN MAY 10 2026
TONIGHT
* SKY/WEATHER..........MOSTLY CLOUDY.
* CHANCE OF PRECIP.....0%.
* MIN TEMPERATURE......43-53.
* MAX HUMIDITY.........87-97 PERCENT.
* 20-FOOT WINDS........
* VALLEYS/LWR SLOPES..NORTHWEST WINDS 4 TO 7 MPH.
* RIDGES/UPR SLOPES...NORTHWEST WINDS 4 TO 7 MPH.
* MIXING HEIGHT........800-1200 FT AGL.
* TRANSPORT WINDS......NORTHWEST AROUND 5 MPH.
MONDAY
* SKY/WEATHER..........MOSTLY SUNNY.
* CHANCE OF PRECIP.....0%.
* MAX TEMPERATURE......61-71.
* MIN HUMIDITY.........53-68 PERCENT.
* 20-FOOT WINDS........
* VALLEYS/LWR SLOPES..NORTH WINDS 3 TO 8 MPH.
* RIDGES/UPR SLOPES...NORTHWEST WINDS 3 TO 8 MPH.
* MIXING HEIGHT........1000-1800 FT AGL.
* TRANSPORT WINDS......NORTH 5 TO 10 MPH.
MONDAY NIGHT
* SKY/WEATHER..........PARTLY CLOUDY.
* CHANCE OF PRECIP.....0%.
* MIN TEMPERATURE......45-55.
* MAX HUMIDITY.........73-88 PERCENT.
* 20-FOOT WINDS........
* VALLEYS/LWR SLOPES..NORTH WINDS AROUND 7 MPH SHIFTING TO THE
NORTHEAST AROUND 3 MPH AFTER MIDNIGHT.
* RIDGES/UPR SLOPES...NORTH WINDS AROUND 7 MPH SHIFTING TO THE
NORTHEAST AROUND 5 MPH AFTER MIDNIGHT.
* MIXING HEIGHT........400-700 FT AGL.
* TRANSPORT WINDS......NORTH AROUND 10 MPH SHIFTING TO THE
NORTHEAST AFTER MIDNIGHT.
TUESDAY
* SKY/WEATHER..........MOSTLY SUNNY.
* CHANCE OF PRECIP.....0%.
* MAX TEMPERATURE......68-78.
* MIN HUMIDITY.........49-64 PERCENT.
* 20-FOOT WINDS........
* VALLEYS/LWR SLOPES..NORTHEAST WINDS AROUND 3 MPH SHIFTING TO THE
NORTH AROUND 5 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES...NORTHEAST WINDS AROUND 5 MPH SHIFTING TO THE
NORTH IN THE AFTERNOON.
* MIXING HEIGHT........400-1300 FT AGL.
* TRANSPORT WINDS......NORTHEAST AROUND 10 MPH SHIFTING TO THE
NORTH IN THE AFTERNOON.
WEDNESDAY
PARTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS 61 TO 71.
WEST WINDS 3 TO 8 MPH.
THURSDAY
PARTLY CLOUDY. CHANCE OF RAIN. LOWS AROUND 50. HIGHS
AROUND 60. WEST WINDS AROUND 6 MPH.
FRIDAY
MOSTLY CLOUDY. CHANCE OF RAIN. LOWS IN THE UPPER 40S.
HIGHS IN THE UPPER 50S. WEST WINDS AROUND 7 MPH.
SATURDAY
MOSTLY CLOUDY. CHANCE OF RAIN. LOWS IN THE MID 40S.
HIGHS IN THE UPPER 50S.
SUNDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN. LOWS IN THE UPPER
40S. HIGHS 57 TO 67.
.8 TO 14 DAY OUTLOOK FOR MAY 18 - 24 2026
ABOVE NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
WAZ650-111100-
NORTH COASTAL LOWLANDS-
330 PM PDT SUN MAY 10 2026
TONIGHT
* SKY/WEATHER..........PARTLY CLOUDY.
* CHANCE OF PRECIP.....0%.
* MIN TEMPERATURE......40-50.
* MAX HUMIDITY.........81-96 PERCENT.
* 20-FOOT WINDS........
* VALLEYS/LWR SLOPES..WEST WINDS AROUND 4 MPH IN THE EVENING
BECOMING LIGHT.
* RIDGES/UPR SLOPES...NORTHWEST WINDS 3 TO 6 MPH.
* MIXING HEIGHT........600-1400 FT AGL.
* TRANSPORT WINDS......NORTHWEST AROUND 5 MPH.
MONDAY
* SKY/WEATHER..........MOSTLY SUNNY.
* CHANCE OF PRECIP.....0%.
* MAX TEMPERATURE......62-72.
* MIN HUMIDITY.........50-65 PERCENT.
* 20-FOOT WINDS........
* VALLEYS/LWR SLOPES..LIGHT WINDS BECOMING NORTHWEST AROUND 5 MPH
IN THE AFTERNOON.
* RIDGES/UPR SLOPES...LIGHT WINDS BECOMING NORTH AROUND 5 MPH IN
THE AFTERNOON.
* MIXING HEIGHT........1000 FT AGL INCREASING TO 3100 FT AGL IN THE
AFTERNOON.
* TRANSPORT WINDS......NORTHEAST AROUND 5 MPH SHIFTING TO THE
NORTHWEST IN THE AFTERNOON.
MONDAY NIGHT
* SKY/WEATHER..........PARTLY CLOUDY.
* CHANCE OF PRECIP.....0%.
* MIN TEMPERATURE......46-56.
* MAX HUMIDITY.........66-81 PERCENT...EXCEPT 63-74 PERCENT RIDGES.
* 20-FOOT WINDS........
* VALLEYS/LWR SLOPES..NORTH WINDS AROUND 4 MPH SHIFTING TO THE
NORTHEAST AROUND 3 MPH AFTER MIDNIGHT.
* RIDGES/UPR SLOPES...NORTHEAST WINDS 4 TO 7 MPH.
* MIXING HEIGHT........400-1100 FT AGL.
* TRANSPORT WINDS......NORTH AROUND 5 MPH SHIFTING TO THE NORTHEAST
AFTER MIDNIGHT.
TUESDAY
* SKY/WEATHER..........MOSTLY SUNNY.
* CHANCE OF PRECIP.....0%.
* MAX TEMPERATURE......69-79.
* MIN HUMIDITY.........40-55 PERCENT...EXCEPT 39-50 PERCENT RIDGES.
* 20-FOOT WINDS........
* VALLEYS/LWR SLOPES..NORTHEAST WINDS AROUND 3 MPH SHIFTING TO THE
NORTHWEST AROUND 4 MPH IN THE AFTERNOON.
* RIDGES/UPR SLOPES...NORTHEAST WINDS 4 TO 7 MPH.
* MIXING HEIGHT........400 FT AGL INCREASING TO 2400 FT AGL IN THE
AFTERNOON.
* TRANSPORT WINDS......EAST AROUND 5 MPH SHIFTING TO THE SOUTHEAST
IN THE AFTERNOON.
WEDNESDAY
PARTLY CLOUDY. LOWS 49 TO 59. HIGHS 65 TO 75. WEST
WINDS 3 TO 6 MPH.
THURSDAY
PARTLY CLOUDY. CHANCE OF RAIN. LOWS IN THE UPPER 40S.
HIGHS 56 TO 66. WEST WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY. CHANCE OF RAIN. LOWS IN THE UPPER 40S.
HIGHS 52 TO 62. WEST WINDS AROUND 6 MPH.
SATURDAY
MOSTLY CLOUDY. CHANCE OF RAIN. LOWS IN THE MID 40S.
HIGHS 52 TO 62.
SUNDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN. LOWS IN THE MID 40S.
HIGHS 57 TO 67.
.8 TO 14 DAY OUTLOOK FOR MAY 18 - 24 2026
ABOVE NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
WAZ651-111100-
CENTRAL COASTAL LOWLANDS-
330 PM PDT SUN MAY 10 2026
TONIGHT
* SKY/WEATHER..........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* CHANCE OF PRECIP.....0%.
* MIN TEMPERATURE......AROUND 46.
* MAX HUMIDITY.........82-97 PERCENT.
* 20-FOOT WINDS........
* VALLEYS/LWR SLOPES..NORTHWEST WINDS 3 TO 8 MPH.
* RIDGES/UPR SLOPES...NORTHWEST WINDS 3 TO 8 MPH.
* MIXING HEIGHT........600-1600 FT AGL.
* TRANSPORT WINDS......NORTHWEST 5 TO 10 MPH.
MONDAY
* SKY/WEATHER..........PARTLY SUNNY.
* CHANCE OF PRECIP.....0%.
* MAX TEMPERATURE......66-76.
* MIN HUMIDITY.........36-51 PERCENT...EXCEPT 44-57 PERCENT RIDGES.
* 20-FOOT WINDS........
* VALLEYS/LWR SLOPES..LIGHT WINDS BECOMING NORTHEAST AROUND 4 MPH
IN THE AFTERNOON.
* RIDGES/UPR SLOPES...LIGHT WINDS BECOMING SOUTHEAST AROUND 3 MPH
IN THE AFTERNOON.
* MIXING HEIGHT........1200 FT AGL INCREASING TO 3800 FT AGL IN THE
AFTERNOON.
* TRANSPORT WINDS......NORTHEAST AROUND 5 MPH.
MONDAY NIGHT
* SKY/WEATHER..........PARTLY CLOUDY.
* CHANCE OF PRECIP.....0%.
* MIN TEMPERATURE......45-55.
* MAX HUMIDITY.........69-84 PERCENT.
* 20-FOOT WINDS........
* VALLEYS/LWR SLOPES..NORTHEAST WINDS 3 TO 6 MPH.
* RIDGES/UPR SLOPES...NORTHEAST WINDS 3 TO 6 MPH.
* MIXING HEIGHT........500-1500 FT AGL.
* TRANSPORT WINDS......NORTHEAST 5 TO 10 MPH.
TUESDAY
* SKY/WEATHER..........MOSTLY SUNNY.
* CHANCE OF PRECIP.....0%.
* MAX TEMPERATURE......75-85.
* MIN HUMIDITY.........28-43 PERCENT...EXCEPT 33-44 PERCENT RIDGES.
* 20-FOOT WINDS........
* VALLEYS/LWR SLOPES..EAST WINDS 4 TO 7 MPH.
* RIDGES/UPR SLOPES...EAST WINDS 4 TO 7 MPH.
* MIXING HEIGHT........500 FT AGL INCREASING TO 2700 FT AGL IN THE
AFTERNOON.
* TRANSPORT WINDS......EAST AROUND 10 MPH.
WEDNESDAY
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN. LOWS IN THE LOWER
50S. HIGHS 69 TO 79 VALLEYS...62 TO 72 RIDGES. WEST WINDS 3 TO
9 MPH.
THURSDAY
PARTLY CLOUDY. CHANCE OF RAIN. LOWS IN THE UPPER 40S.
HIGHS 60 TO 70 VALLEYS...53 TO 63 RIDGES. WEST WINDS AROUND 7 MPH.
FRIDAY
MOSTLY CLOUDY. CHANCE OF RAIN. LOWS IN THE UPPER 40S.
HIGHS 56 TO 66 VALLEYS...IN THE LOWER 50S RIDGES. WEST WINDS AROUND
8 MPH.
SATURDAY
MOSTLY CLOUDY. CHANCE OF RAIN. LOWS IN THE LOWER 40S.
HIGHS 57 TO 67 VALLEYS...IN THE MID 50S RIDGES.
SUNDAY
MOSTLY CLOUDY. LOWS IN THE LOWER 40S. HIGHS 62 TO
72 VALLEYS...55 TO 65 RIDGES.
.8 TO 14 DAY OUTLOOK FOR MAY 18 - 24 2026
ABOVE NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
WAZ652-111100-
WEST PORTION OF THE OLYMPIC MOUNTAINS-
330 PM PDT SUN MAY 10 2026
TONIGHT
* SKY/WEATHER..........PARTLY CLOUDY.
* CHANCE OF PRECIP.....0%.
* MIN TEMPERATURE......33-43.
* MAX HUMIDITY.........79-94 PERCENT.
* 20-FOOT WINDS........
* VALLEYS/LWR SLOPES..WEST WINDS AROUND 6 MPH SHIFTING TO THE NORTH
AROUND 3 MPH AFTER MIDNIGHT.
* RIDGES/UPR SLOPES...WEST WINDS AROUND 6 MPH SHIFTING TO THE NORTH
AROUND 3 MPH AFTER MIDNIGHT.
* SNOW LEVEL...........6000 FEET.
* MIXING HEIGHT........400-1400 FT AGL.
* TRANSPORT WINDS......WEST AROUND 10 MPH SHIFTING TO THE NORTH
AFTER MIDNIGHT.
MONDAY
* SKY/WEATHER..........MOSTLY SUNNY.
* CHANCE OF PRECIP.....0%.
* MAX TEMPERATURE......61-71...EXCEPT 54-64 RIDGES.
* MIN HUMIDITY.........44-59 PERCENT.
* 20-FOOT WINDS........
* VALLEYS/LWR SLOPES..UPSLOPE/UPVALLEY 2 TO 5 MPH.
* RIDGES/UPR SLOPES...LIGHT WINDS BECOMING WEST AROUND 5 MPH IN THE
AFTERNOON.
* SNOW LEVEL...........6000 FEET.
* MIXING HEIGHT........1000 FT AGL INCREASING TO 3700 FT AGL IN THE
AFTERNOON.
* TRANSPORT WINDS......NORTHEAST AROUND 5 MPH SHIFTING TO THE WEST
IN THE AFTERNOON.
MONDAY NIGHT
* SKY/WEATHER..........PARTLY CLOUDY.
* CHANCE OF PRECIP.....0%.
* MIN TEMPERATURE......41-51.
* MAX HUMIDITY.........60-75 PERCENT.
* 20-FOOT WINDS........
* VALLEYS/LWR SLOPES..DOWNSLOPE/DOWNVALLEY 4 TO 5 MPH.
* RIDGES/UPR SLOPES...NORTHEAST WINDS 4 TO 7 MPH.
* SNOW LEVEL...........7000 FEET.
* MIXING HEIGHT........500-1500 FT AGL.
* TRANSPORT WINDS......EAST 5 TO 10 MPH.
TUESDAY
* SKY/WEATHER..........MOSTLY SUNNY.
* CHANCE OF PRECIP.....0%.
* MAX TEMPERATURE......71-81...EXCEPT 63-73 RIDGES.
* MIN HUMIDITY.........33-48 PERCENT.
* 20-FOOT WINDS........
* VALLEYS/LWR SLOPES..UPSLOPE/UPVALLEY AROUND 4 MPH.
* RIDGES/UPR SLOPES...NORTHEAST WINDS AROUND 5 MPH SHIFTING TO THE
SOUTHWEST IN THE AFTERNOON.
* SNOW LEVEL...........8500 FEET.
* MIXING HEIGHT........400 FT AGL INCREASING TO 3700 FT AGL IN THE
AFTERNOON.
* TRANSPORT WINDS......EAST AROUND 5 MPH SHIFTING TO THE SOUTH IN
THE AFTERNOON.
WEDNESDAY
PARTLY CLOUDY. SNOW LEVEL 8000 FEET. LOWS IN THE MID
50S. HIGHS 61 TO 71. WEST WINDS 3 TO 8 MPH.
THURSDAY
PARTLY CLOUDY. CHANCE OF RAIN. SNOW LEVEL 6500 FEET.
LOWS IN THE UPPER 40S. HIGHS 51 TO 61. WEST WINDS AROUND 6 MPH.
FRIDAY
MOSTLY CLOUDY. CHANCE OF RAIN AND SNOW. SNOW LEVEL
5000 FEET. LOWS 40 TO 50. HIGHS 45 TO 55. WEST WINDS AROUND 7 MPH.
SATURDAY
MOSTLY CLOUDY. CHANCE OF RAIN AND SNOW. SNOW LEVEL
4000 FEET. LOWS 36 TO 46. HIGHS 45 TO 55.
SUNDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN. SNOW LEVEL
4500 FEET. LOWS 36 TO 46. HIGHS 51 TO 61.
.8 TO 14 DAY OUTLOOK FOR MAY 18 - 24 2026
ABOVE NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
WAZ661-111100-
EAST PORTION OF THE OLYMPIC MOUNTAINS-
330 PM PDT SUN MAY 10 2026
TONIGHT
* SKY/WEATHER..........PARTLY CLOUDY.
* CHANCE OF PRECIP.....0%.
* MIN TEMPERATURE......35-45.
* MAX HUMIDITY.........81-96 PERCENT...EXCEPT 75-90 PERCENT RIDGES.
* 20-FOOT WINDS........
* VALLEYS/LWR SLOPES..DOWNSLOPE/DOWNVALLEY 2 TO 5 MPH.
* RIDGES/UPR SLOPES...WEST WINDS 3 TO 6 MPH.
* SNOW LEVEL...........6000 FEET.
* MIXING HEIGHT........400-1400 FT AGL.
* TRANSPORT WINDS......WEST 5 TO 10 MPH.
MONDAY
* SKY/WEATHER..........MOSTLY SUNNY.
* CHANCE OF PRECIP.....0%.
* MAX TEMPERATURE......60-70...EXCEPT 54-64 RIDGES.
* MIN HUMIDITY.........47-62 PERCENT.
* 20-FOOT WINDS........
* VALLEYS/LWR SLOPES..UPSLOPE/UPVALLEY 2 TO 5 MPH.
* RIDGES/UPR SLOPES...NORTHEAST WINDS 3 TO 6 MPH.
* SNOW LEVEL...........6000 FEET.
* MIXING HEIGHT........1500-2500 FT AGL.
* TRANSPORT WINDS......NORTHEAST AROUND 5 MPH.
MONDAY NIGHT
* SKY/WEATHER..........PARTLY CLOUDY.
* CHANCE OF PRECIP.....0%.
* MIN TEMPERATURE......39-49.
* MAX HUMIDITY.........54-69 PERCENT.
* 20-FOOT WINDS........
* VALLEYS/LWR SLOPES..DOWNSLOPE/DOWNVALLEY 4 TO 5 MPH.
* RIDGES/UPR SLOPES...NORTHEAST WINDS 4 TO 7 MPH.
* SNOW LEVEL...........7000 FEET.
* MIXING HEIGHT........400-1300 FT AGL.
* TRANSPORT WINDS......EAST AROUND 5 MPH.
TUESDAY
* SKY/WEATHER..........MOSTLY SUNNY.
* CHANCE OF PRECIP.....0%.
* MAX TEMPERATURE......70-80...EXCEPT 63-73 RIDGES.
* MIN HUMIDITY.........36-51 PERCENT.
* 20-FOOT WINDS........
* VALLEYS/LWR SLOPES..UPSLOPE/UPVALLEY AROUND 5 MPH.
* RIDGES/UPR SLOPES...EAST WINDS 4 TO 7 MPH.
* SNOW LEVEL...........8500 FEET.
* MIXING HEIGHT........400 FT AGL INCREASING TO 2900 FT AGL IN THE
AFTERNOON.
* TRANSPORT WINDS......SOUTHEAST 5 TO 10 MPH.
WEDNESDAY
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN. SNOW LEVEL
8500 FEET. LOWS 49 TO 59. HIGHS 64 TO 74 VALLEYS...56 TO 66 RIDGES.
SOUTHWEST WINDS 3 TO 7 MPH.
THURSDAY
PARTLY CLOUDY. CHANCE OF RAIN. SNOW LEVEL 7000 FEET.
LOWS 43 TO 53. HIGHS 55 TO 65 VALLEYS...48 TO 58 RIDGES. WEST WINDS
AROUND 6 MPH.
FRIDAY
MOSTLY CLOUDY. CHANCE OF RAIN AND SNOW. SNOW LEVEL
5000 FEET. LOWS 38 TO 48. HIGHS 49 TO 59 VALLEYS...42 TO 52 RIDGES.
WEST WINDS AROUND 8 MPH.
SATURDAY
MOSTLY CLOUDY. CHANCE OF RAIN AND SNOW. SNOW LEVEL
4500 FEET. LOWS 33 TO 43. HIGHS 49 TO 59 VALLEYS...41 TO 51 RIDGES.
SUNDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN. SNOW LEVEL
4500 FEET. LOWS 34 TO 44. HIGHS 54 TO 64 VALLEYS...46 TO 56 RIDGES.
.8 TO 14 DAY OUTLOOK FOR MAY 18 - 24 2026
ABOVE NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
WAZ653-111100-
STRAIT OF JUAN DE FUCA AND NORTHWEST INTERIOR LOWLANDS-
330 PM PDT SUN MAY 10 2026
TONIGHT
* SKY/WEATHER..........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* CHANCE OF PRECIP.....0%.
* MIN TEMPERATURE......42-52.
* MAX HUMIDITY.........81-96 PERCENT.
* 20-FOOT WINDS........WEST WINDS 3 TO 6 MPH.
* MIXING HEIGHT........500-700 FT AGL.
* TRANSPORT WINDS......WEST AROUND 10 MPH.
MONDAY
* SKY/WEATHER..........MOSTLY SUNNY.
* CHANCE OF PRECIP.....0%.
* MAX TEMPERATURE......61-71.
* MIN HUMIDITY.........50-65 PERCENT.
* 20-FOOT WINDS........LIGHT WINDS BECOMING NORTHWEST AROUND 6 MPH
IN THE AFTERNOON.
* MIXING HEIGHT........800-1500 FT AGL.
* TRANSPORT WINDS......NORTH 5 TO 10 MPH.
MONDAY NIGHT
* SKY/WEATHER..........PARTLY CLOUDY.
* CHANCE OF PRECIP.....0%.
* MIN TEMPERATURE......44-54.
* MAX HUMIDITY.........72-87 PERCENT.
* 20-FOOT WINDS........NORTHWEST WINDS AROUND 4 MPH IN THE EVENING
BECOMING LIGHT.
* MIXING HEIGHT........400-700 FT AGL.
* TRANSPORT WINDS......NORTH 5 TO 10 MPH.
TUESDAY
* SKY/WEATHER..........MOSTLY SUNNY.
* CHANCE OF PRECIP.....0%.
* MAX TEMPERATURE......67-77.
* MIN HUMIDITY.........46-61 PERCENT.
* 20-FOOT WINDS........LIGHT WINDS BECOMING NORTH AROUND 5 MPH IN
THE AFTERNOON.
* MIXING HEIGHT........400-1000 FT AGL.
* TRANSPORT WINDS......NORTH 5 TO 10 MPH.
WEDNESDAY
PARTLY CLOUDY. CHANCE OF RAIN. LOWS IN THE MID 50S.
HIGHS 66 TO 76. WEST WINDS 3 TO 5 MPH.
THURSDAY
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN. LOWS IN THE LOWER
50S. HIGHS 61 TO 71. SOUTHWEST WINDS AROUND 6 MPH.
FRIDAY
MOSTLY CLOUDY. CHANCE OF RAIN. LOWS IN THE UPPER 40S.
HIGHS 56 TO 66. WEST WINDS AROUND 7 MPH.
SATURDAY
MOSTLY CLOUDY. CHANCE OF RAIN. LOWS 41 TO 51. HIGHS
56 TO 66.
SUNDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN. LOWS 41 TO 51. HIGHS
59 TO 69.
.8 TO 14 DAY OUTLOOK FOR MAY 18 - 24 2026
ABOVE NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
WAZ654-111100-
CENTRAL AND SOUTH PUGET SOUND LOWLANDS-
330 PM PDT SUN MAY 10 2026
TONIGHT
* SKY/WEATHER..........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* CHANCE OF PRECIP.....0%.
* MIN TEMPERATURE......44-54.
* MAX HUMIDITY.........82-97 PERCENT.
* 20-FOOT WINDS........NORTH WINDS AROUND 5 MPH IN THE EVENING
BECOMING LIGHT.
* MIXING HEIGHT........500-1500 FT AGL.
* TRANSPORT WINDS......NORTH AROUND 5 MPH SHIFTING TO THE NORTHEAST
AFTER MIDNIGHT.
MONDAY
* SKY/WEATHER..........MOSTLY SUNNY.
* CHANCE OF PRECIP.....0%.
* MAX TEMPERATURE......62-72.
* MIN HUMIDITY.........44-59 PERCENT.
* 20-FOOT WINDS........NORTHEAST WINDS 3 TO 8 MPH.
* MIXING HEIGHT........1600-2600 FT AGL.
* TRANSPORT WINDS......NORTHEAST 5 TO 10 MPH.
MONDAY NIGHT
* SKY/WEATHER..........PARTLY CLOUDY.
* CHANCE OF PRECIP.....0%.
* MIN TEMPERATURE......44-54.
* MAX HUMIDITY.........61-76 PERCENT.
* 20-FOOT WINDS........NORTH WINDS 5 TO 8 MPH.
* MIXING HEIGHT........400-1300 FT AGL.
* TRANSPORT WINDS......NORTH 5 TO 10 MPH.
TUESDAY
* SKY/WEATHER..........MOSTLY SUNNY.
* CHANCE OF PRECIP.....0%.
* MAX TEMPERATURE......70-80.
* MIN HUMIDITY.........39-54 PERCENT.
* 20-FOOT WINDS........NORTHEAST WINDS 4 TO 7 MPH.
* MIXING HEIGHT........900-1900 FT AGL.
* TRANSPORT WINDS......NORTHEAST AROUND 10 MPH.
WEDNESDAY
PARTLY CLOUDY. CHANCE OF RAIN. LOWS IN THE MID 50S.
HIGHS IN THE MID 70S. SOUTHWEST WINDS 3 TO 5 MPH.
THURSDAY
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN. LOWS IN THE LOWER
50S. HIGHS IN THE UPPER 60S. SOUTHWEST WINDS AROUND 6 MPH.
FRIDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN. LOWS IN THE UPPER
40S. HIGHS IN THE LOWER 60S. SOUTHWEST WINDS AROUND 7 MPH.
SATURDAY
MOSTLY CLOUDY. CHANCE OF RAIN. LOWS IN THE MID 40S.
HIGHS IN THE LOWER 60S.
SUNDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN. LOWS 40 TO 50. HIGHS
IN THE MID 60S.
.8 TO 14 DAY OUTLOOK FOR MAY 18 - 24 2026
ABOVE NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
WAZ655-111100-
BLACK HILLS AND SOUTHWEST INTERIOR LOWLANDS-
330 PM PDT SUN MAY 10 2026
TONIGHT
* SKY/WEATHER..........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* CHANCE OF PRECIP.....0%.
* MIN TEMPERATURE......41-51.
* MAX HUMIDITY.........82-97 PERCENT.
* 20-FOOT WINDS........WEST WINDS AROUND 6 MPH IN THE EVENING
BECOMING LIGHT.
* MIXING HEIGHT........800-1800 FT AGL.
* TRANSPORT WINDS......WEST 5 TO 10 MPH.
MONDAY
* SKY/WEATHER..........MOSTLY SUNNY.
* CHANCE OF PRECIP.....0%.
* MAX TEMPERATURE......69-79.
* MIN HUMIDITY.........34-49 PERCENT.
* 20-FOOT WINDS........NORTHEAST WINDS 3 TO 6 MPH.
* MIXING HEIGHT........1100 FT AGL INCREASING TO 3400 FT AGL IN THE
AFTERNOON.
* TRANSPORT WINDS......NORTHEAST 5 TO 10 MPH.
MONDAY NIGHT
* SKY/WEATHER..........PARTLY CLOUDY.
* CHANCE OF PRECIP.....0%.
* MIN TEMPERATURE......46-56.
* MAX HUMIDITY.........67-82 PERCENT.
* 20-FOOT WINDS........NORTHEAST WINDS 3 TO 6 MPH.
* MIXING HEIGHT........500-1500 FT AGL.
* TRANSPORT WINDS......NORTHEAST 5 TO 10 MPH.
TUESDAY
* SKY/WEATHER..........MOSTLY SUNNY.
* CHANCE OF PRECIP.....0%.
* MAX TEMPERATURE......79-89.
* MIN HUMIDITY.........30-45 PERCENT.
* 20-FOOT WINDS........NORTHEAST WINDS 3 TO 6 MPH.
* MIXING HEIGHT........1000-2000 FT AGL.
* TRANSPORT WINDS......EAST AROUND 5 MPH.
WEDNESDAY
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN. LOWS 49 TO 59.
HIGHS 71 TO 81. WEST WINDS 3 TO 7 MPH.
THURSDAY
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN. LOWS IN THE UPPER
40S. HIGHS IN THE UPPER 60S. SOUTHWEST WINDS AROUND 6 MPH.
FRIDAY
MOSTLY CLOUDY. CHANCE OF RAIN. LOWS IN THE MID 40S. HIGHS
IN THE LOWER 60S. SOUTHWEST WINDS AROUND 6 MPH.
SATURDAY
MOSTLY CLOUDY. CHANCE OF RAIN. LOWS IN THE LOWER 40S.
HIGHS 57 TO 67.
SUNDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN. LOWS IN THE LOWER
40S. HIGHS 63 TO 73.
.8 TO 14 DAY OUTLOOK FOR MAY 18 - 24 2026
ABOVE NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
WAZ656-111100-
NORTHEAST PUGET SOUND LOWLANDS GENERALLY BELOW 1500 FEET-
330 PM PDT SUN MAY 10 2026
TONIGHT
* SKY/WEATHER..........MOSTLY CLOUDY.
* CHANCE OF PRECIP.....0%.
* MIN TEMPERATURE......41-51.
* MAX HUMIDITY.........79-94 PERCENT.
* 20-FOOT WINDS........WEST WINDS AROUND 5 MPH IN THE EVENING
BECOMING LIGHT.
* MIXING HEIGHT........500-1500 FT AGL.
* TRANSPORT WINDS......WEST 5 TO 10 MPH.
MONDAY
* SKY/WEATHER..........MOSTLY SUNNY.
* CHANCE OF PRECIP.....0%.
* MAX TEMPERATURE......65-75.
* MIN HUMIDITY.........41-56 PERCENT.
* 20-FOOT WINDS........LIGHT WINDS BECOMING NORTHWEST AROUND 6 MPH
IN THE AFTERNOON.
* MIXING HEIGHT........1100 FT AGL INCREASING TO 3300 FT AGL IN THE
AFTERNOON.
* TRANSPORT WINDS......NORTHEAST AROUND 5 MPH SHIFTING TO THE
NORTHWEST IN THE AFTERNOON.
MONDAY NIGHT
* SKY/WEATHER..........MOSTLY CLEAR.
* CHANCE OF PRECIP.....0%.
* MIN TEMPERATURE......44-54.
* MAX HUMIDITY.........69-84 PERCENT.
* 20-FOOT WINDS........NORTHWEST WINDS AROUND 4 MPH IN THE EVENING
BECOMING LIGHT.
* MIXING HEIGHT........400-1200 FT AGL.
* TRANSPORT WINDS......NORTHWEST AROUND 5 MPH SHIFTING TO THE
NORTHEAST AFTER MIDNIGHT.
TUESDAY
* SKY/WEATHER..........MOSTLY SUNNY.
* CHANCE OF PRECIP.....0%.
* MAX TEMPERATURE......75-85.
* MIN HUMIDITY.........31-46 PERCENT.
* 20-FOOT WINDS........NORTHEAST WINDS AROUND 3 MPH SHIFTING TO THE
NORTHWEST AROUND 4 MPH IN THE AFTERNOON.
* MIXING HEIGHT........400 FT AGL INCREASING TO 2700 FT AGL IN THE
AFTERNOON.
* TRANSPORT WINDS......EAST 5 TO 10 MPH.
WEDNESDAY
PARTLY CLOUDY. CHANCE OF RAIN. LOWS 50 TO 60. HIGHS
69 TO 79. WEST WINDS 3 TO 6 MPH.
THURSDAY
PARTLY CLOUDY. CHANCE OF RAIN. LOWS IN THE LOWER 50S.
HIGHS 62 TO 72. SOUTHWEST WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY. CHANCE OF RAIN. LOWS IN THE UPPER 40S.
HIGHS 56 TO 66. SOUTHWEST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY. RAIN LIKELY. LOWS IN THE MID 40S. HIGHS
54 TO 64.
SUNDAY
MOSTLY CLOUDY. CHANCE OF RAIN. LOWS IN THE MID 40S. HIGHS
60 TO 70.
.8 TO 14 DAY OUTLOOK FOR MAY 18 - 24 2026
ABOVE NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
WAZ657-111100-
SOUTHEAST PUGET SOUND LOWLANDS GENERALLY BELOW 1500 FEET-
330 PM PDT SUN MAY 10 2026
TONIGHT
* SKY/WEATHER..........MOSTLY CLOUDY.
* CHANCE OF PRECIP.....0%.
* MIN TEMPERATURE......43-53.
* MAX HUMIDITY.........83-98 PERCENT.
* 20-FOOT WINDS........NORTHWEST WINDS AROUND 4 MPH IN THE EVENING
BECOMING LIGHT.
* MIXING HEIGHT........900-1900 FT AGL.
* TRANSPORT WINDS......NORTH 5 TO 10 MPH.
MONDAY
* SKY/WEATHER..........MOSTLY SUNNY.
* CHANCE OF PRECIP.....0%.
* MAX TEMPERATURE......65-75.
* MIN HUMIDITY.........41-56 PERCENT.
* 20-FOOT WINDS........LIGHT WINDS BECOMING NORTH AROUND 6 MPH IN
THE AFTERNOON.
* MIXING HEIGHT........1200 FT AGL INCREASING TO 3200 FT AGL IN THE
AFTERNOON.
* TRANSPORT WINDS......NORTH 5 TO 10 MPH.
MONDAY NIGHT
* SKY/WEATHER..........PARTLY CLOUDY.
* CHANCE OF PRECIP.....0%.
* MIN TEMPERATURE......44-54.
* MAX HUMIDITY.........74-89 PERCENT.
* 20-FOOT WINDS........NORTH WINDS AROUND 4 MPH IN THE EVENING
BECOMING LIGHT.
* MIXING HEIGHT........400-1400 FT AGL.
* TRANSPORT WINDS......NORTHEAST 5 TO 10 MPH.
TUESDAY
* SKY/WEATHER..........MOSTLY SUNNY.
* CHANCE OF PRECIP.....0%.
* MAX TEMPERATURE......76-86.
* MIN HUMIDITY.........30-45 PERCENT.
* 20-FOOT WINDS........LIGHT WINDS BECOMING NORTH AROUND 4 MPH IN
THE AFTERNOON.
* MIXING HEIGHT........900-1900 FT AGL.
* TRANSPORT WINDS......NORTHEAST 5 TO 10 MPH.
WEDNESDAY
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN. LOWS IN THE MID
50S. HIGHS IN THE MID 70S. WEST WINDS 3 TO 4 MPH.
THURSDAY
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN. LOWS 47 TO 57.
HIGHS IN THE UPPER 60S. SOUTHWEST WINDS AROUND 4 MPH.
FRIDAY
MOSTLY CLOUDY. CHANCE OF RAIN. LOWS IN THE UPPER 40S.
HIGHS 58 TO 68. SOUTHWEST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY. CHANCE OF RAIN. LOWS 40 TO 50. HIGHS
56 TO 66.
SUNDAY
MOSTLY CLOUDY. CHANCE OF RAIN. LOWS IN THE MID 40S. HIGHS
IN THE MID 60S.
.8 TO 14 DAY OUTLOOK FOR MAY 18 - 24 2026
ABOVE NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
WAZ658-111100-
WEST SLOPES OF THE NORTH CASCADES GENERALLY ABOVE 1500 FEET-
330 PM PDT SUN MAY 10 2026
TONIGHT
* SKY/WEATHER..........MOSTLY CLOUDY.
* CHANCE OF PRECIP.....0%.
* MIN TEMPERATURE......35-45.
* MAX HUMIDITY.........78-93 PERCENT.
* 20-FOOT WINDS........
* VALLEYS/LWR SLOPES..WEST WINDS AROUND 6 MPH IN THE EVENING
BECOMING LIGHT.
* RIDGES/UPR SLOPES...WEST WINDS 3 TO 10 MPH. GUSTS UP TO 30 MPH IN
THE EVENING.
* SNOW LEVEL...........6500 FEET.
* MIXING HEIGHT........800-1800 FT AGL.
* TRANSPORT WINDS......WEST AROUND 15 MPH DECREASING TO AROUND 5
MPH AFTER MIDNIGHT.
MONDAY
* SKY/WEATHER..........MOSTLY SUNNY.
* CHANCE OF PRECIP.....0%.
* MAX TEMPERATURE......63-73...EXCEPT 55-65 RIDGES.
* MIN HUMIDITY.........37-52 PERCENT.
* 20-FOOT WINDS........
* VALLEYS/LWR SLOPES..UPSLOPE/UPVALLEY 1 TO 4 MPH.
* RIDGES/UPR SLOPES...LIGHT WINDS BECOMING NORTHWEST AROUND 5 MPH
IN THE AFTERNOON.
* SNOW LEVEL...........6500 FEET.
* MIXING HEIGHT........1100 FT AGL INCREASING TO 3600 FT AGL IN THE
AFTERNOON.
* TRANSPORT WINDS......NORTH AROUND 5 MPH SHIFTING TO THE WEST IN
THE AFTERNOON.
MONDAY NIGHT
* SKY/WEATHER..........PARTLY CLOUDY.
* CHANCE OF PRECIP.....0%.
* MIN TEMPERATURE......38-48.
* MAX HUMIDITY.........61-76 PERCENT.
* 20-FOOT WINDS........
* VALLEYS/LWR SLOPES..DOWNSLOPE/DOWNVALLEY 3 TO 5 MPH.
* RIDGES/UPR SLOPES...NORTH WINDS AROUND 5 MPH SHIFTING TO THE EAST
AROUND 8 MPH AFTER MIDNIGHT.
* SNOW LEVEL...........7500 FEET.
* MIXING HEIGHT........400-1400 FT AGL.
* TRANSPORT WINDS......NORTH AROUND 5 MPH SHIFTING TO THE EAST
AFTER MIDNIGHT.
TUESDAY
* SKY/WEATHER..........MOSTLY SUNNY.
* CHANCE OF PRECIP.....0%.
* MAX TEMPERATURE......73-83...EXCEPT 63-73 RIDGES.
* MIN HUMIDITY.........31-46 PERCENT.
* 20-FOOT WINDS........
* VALLEYS/LWR SLOPES..UPSLOPE/UPVALLEY 3 TO 5 MPH.
* RIDGES/UPR SLOPES...SOUTHEAST WINDS 3 TO 8 MPH.
* SNOW LEVEL...........8000 FEET.
* MIXING HEIGHT........400 FT AGL INCREASING TO 3500 FT AGL IN THE
AFTERNOON.
* TRANSPORT WINDS......SOUTHEAST AROUND 10 MPH.
WEDNESDAY
PARTLY CLOUDY. CHANCE OF RAIN. SNOW LEVEL 9000 FEET.
LOWS 47 TO 57. HIGHS 64 TO 74 VALLEYS...57 TO 67 RIDGES. WEST WINDS
3 TO 8 MPH.
THURSDAY
PARTLY CLOUDY. CHANCE OF RAIN. SNOW LEVEL 7000 FEET.
LOWS 42 TO 52. HIGHS 57 TO 67 VALLEYS...49 TO 59 RIDGES. SOUTHWEST
WINDS AROUND 6 MPH.
FRIDAY
MOSTLY CLOUDY. CHANCE OF RAIN AND SNOW. SNOW LEVEL
5500 FEET. LOWS 37 TO 47. HIGHS 50 TO 60 VALLEYS...41 TO 51 RIDGES.
WEST WINDS AROUND 8 MPH.
SATURDAY
MOSTLY CLOUDY. SNOW AND RAIN LIKELY. SNOW LEVEL
4500 FEET. LOWS 33 TO 43. HIGHS 48 TO 58 VALLEYS...39 TO 49 RIDGES.
SUNDAY
MOSTLY CLOUDY. CHANCE OF RAIN AND SNOW. SNOW LEVEL
4500 FEET. LOWS 32 TO 42. HIGHS 54 TO 64 VALLEYS...45 TO 55 RIDGES.
.8 TO 14 DAY OUTLOOK FOR MAY 18 - 24 2026
ABOVE NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
WAZ659-111100-
WEST SLOPES OF THE CENTRAL CASCADES GENERALLY ABOVE 1500 FEET-
330 PM PDT SUN MAY 10 2026
TONIGHT
* SKY/WEATHER..........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* CHANCE OF PRECIP.....0%.
* MIN TEMPERATURE......36-46.
* MAX HUMIDITY.........78-93 PERCENT.
* 20-FOOT WINDS........
* VALLEYS/LWR SLOPES..DOWNSLOPE/DOWNVALLEY 0 TO 5 MPH.
* RIDGES/UPR SLOPES...NORTHWEST WINDS 3 TO 9 MPH. GUSTS UP TO 30
MPH IN THE EVENING.
* SNOW LEVEL...........6500 FEET.
* MIXING HEIGHT........1000-2000 FT AGL.
* TRANSPORT WINDS......NORTHWEST 5 TO 10 MPH.
MONDAY
* SKY/WEATHER..........MOSTLY SUNNY.
* CHANCE OF PRECIP.....0%.
* MAX TEMPERATURE......66-76...EXCEPT 58-68 RIDGES.
* MIN HUMIDITY.........38-53 PERCENT.
* 20-FOOT WINDS........
* VALLEYS/LWR SLOPES..UPSLOPE/UPVALLEY 2 TO 5 MPH.
* RIDGES/UPR SLOPES...LIGHT WINDS BECOMING NORTHWEST AROUND 6 MPH
IN THE AFTERNOON.
* SNOW LEVEL...........7000 FEET.
* MIXING HEIGHT........1000 FT AGL INCREASING TO 3500 FT AGL IN THE
AFTERNOON.
* TRANSPORT WINDS......NORTHEAST 5 TO 10 MPH.
MONDAY NIGHT
* SKY/WEATHER..........PARTLY CLOUDY.
* CHANCE OF PRECIP.....0%.
* MIN TEMPERATURE......42-52.
* MAX HUMIDITY.........63-78 PERCENT...EXCEPT 56-71 PERCENT RIDGES.
* 20-FOOT WINDS........
* VALLEYS/LWR SLOPES..DOWNSLOPE/DOWNVALLEY 4 TO 5 MPH.
* RIDGES/UPR SLOPES...NORTHEAST WINDS AROUND 5 MPH SHIFTING TO THE
EAST AROUND 8 MPH AFTER MIDNIGHT.
* SNOW LEVEL...........8000 FEET.
* MIXING HEIGHT........400-1400 FT AGL.
* TRANSPORT WINDS......EAST 5 TO 10 MPH.
TUESDAY
* SKY/WEATHER..........MOSTLY SUNNY.
* CHANCE OF PRECIP.....0%.
* MAX TEMPERATURE......75-85...EXCEPT 66-76 RIDGES.
* MIN HUMIDITY.........28-43 PERCENT.
* 20-FOOT WINDS........
* VALLEYS/LWR SLOPES..EAST WINDS 5 TO 9 MPH.
* RIDGES/UPR SLOPES...EAST WINDS 5 TO 9 MPH WITH GUSTS TO AROUND 25
MPH.
* SNOW LEVEL...........9500 FEET.
* MIXING HEIGHT........500 FT AGL INCREASING TO 3400 FT AGL IN THE
AFTERNOON.
* TRANSPORT WINDS......SOUTHEAST AROUND 10 MPH.
WEDNESDAY
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN. SNOW LEVEL
9500 FEET. LOWS 49 TO 59. HIGHS 65 TO 75 VALLEYS...58 TO 68 RIDGES.
WEST WINDS 3 TO 8 MPH.
THURSDAY
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN. SNOW LEVEL
7500 FEET. LOWS 42 TO 52. HIGHS 57 TO 67 VALLEYS...50 TO 60 RIDGES.
WEST WINDS AROUND 6 MPH.
FRIDAY
MOSTLY CLOUDY. CHANCE OF RAIN AND SNOW. SNOW LEVEL
5500 FEET. LOWS 38 TO 48. HIGHS 51 TO 61 VALLEYS...43 TO 53 RIDGES.
WEST WINDS AROUND 8 MPH.
SATURDAY
MOSTLY CLOUDY. CHANCE OF RAIN AND SNOW. SNOW LEVEL
4500 FEET. LOWS 34 TO 44. HIGHS 49 TO 59 VALLEYS...41 TO 51 RIDGES.
SUNDAY
MOSTLY CLOUDY. CHANCE OF RAIN AND SNOW. SNOW LEVEL
5000 FEET. LOWS 34 TO 44. HIGHS 55 TO 65 VALLEYS...48 TO 58 RIDGES.
.8 TO 14 DAY OUTLOOK FOR MAY 18 - 24 2026
ABOVE NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
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