773
FNUS56 KSEW 172230
FWFSEW
FIRE WEATHER PLANNING FORECAST FOR WESTERN WASHINGTON
NATIONAL WEATHER SERVICE SEATTLE WA
330 PM PDT SUN MAY 17 2026
DISCUSSION
HIGH PRESSURE WILL REMAIN SITUATED OFFSHORE THROUGH MUCH OF NEXT
WEEK, MAINTAINING NEAR-NORMAL TEMPERATURES ACROSS WESTERN
WASHINGTON WITH CLOUDY MORNINGS AND SUNSHINE IN THE AFTERNOONS.
A FEW WEAK SYSTEMS WILL MOVE OVER THE TOP OF THE RIDGE TOWARDS
THE MIDDLE OF NEXT WEEK, BRINGING LITTLE MORE THAN A FEW PERIODS
OF SPRINKLES.
FORECAST FOR 20 FOOT WIND SPEED (VALLEYS AND RIDGE TOPS) ARE 10
MINUTE AVERAGES REFLECTING RAWS WINDS.
WAZ649-181100-
NORTH AND CENTRAL COASTAL STRIP-
330 PM PDT SUN MAY 17 2026
TONIGHT
* SKY/WEATHER..........MOSTLY CLOUDY.
* CHANCE OF PRECIP.....0%.
* MIN TEMPERATURE......43-53.
* MAX HUMIDITY.........80-90 PERCENT.
* 20-FOOT WINDS........
* VALLEYS/LWR SLOPES..NORTHWEST WINDS 5 TO 8 MPH.
* RIDGES/UPR SLOPES...NORTHWEST WINDS 5 TO 8 MPH.
* MIXING HEIGHT........800-1300 FT AGL.
* TRANSPORT WINDS......NORTHWEST AROUND 10 MPH.
MONDAY
* SKY/WEATHER..........MOSTLY SUNNY.
* CHANCE OF PRECIP.....0%.
* MAX TEMPERATURE......54-64.
* MIN HUMIDITY.........64-79 PERCENT.
* 20-FOOT WINDS........
* VALLEYS/LWR SLOPES..NORTHWEST WINDS 6 TO 9 MPH.
* RIDGES/UPR SLOPES...NORTHWEST WINDS 6 TO 9 MPH.
* MIXING HEIGHT........1400-2400 FT AGL.
* TRANSPORT WINDS......NORTHWEST 10 TO 15 MPH.
MONDAY NIGHT
* SKY/WEATHER..........MOSTLY CLOUDY.
* CHANCE OF PRECIP.....0%.
* MIN TEMPERATURE......AROUND 49.
* MAX HUMIDITY.........85-96 PERCENT.
* 20-FOOT WINDS........
* VALLEYS/LWR SLOPES..NORTHWEST WINDS 5 TO 8 MPH.
* RIDGES/UPR SLOPES...NORTHWEST WINDS 5 TO 8 MPH.
* MIXING HEIGHT........700-1600 FT AGL.
* TRANSPORT WINDS......NORTHWEST AROUND 10 MPH.
TUESDAY
* SKY/WEATHER..........MOSTLY CLOUDY.
* CHANCE OF PRECIP.....0%.
* MAX TEMPERATURE......55-65.
* MIN HUMIDITY.........72-87 PERCENT.
* 20-FOOT WINDS........
* VALLEYS/LWR SLOPES..NORTHWEST WINDS 3 TO 7 MPH.
* RIDGES/UPR SLOPES...NORTHWEST WINDS 3 TO 7 MPH.
* MIXING HEIGHT........1100-2100 FT AGL.
* TRANSPORT WINDS......NORTHWEST 5 TO 10 MPH.
WEDNESDAY
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE MID
60S. NORTHWEST WINDS 4 TO 9 MPH.
THURSDAY
PARTLY CLOUDY. LOWS AROUND 50. HIGHS 59 TO 69. NORTHWEST
WINDS AROUND 6 MPH.
FRIDAY
MOSTLY CLOUDY. LOWS AROUND 50. HIGHS IN THE LOWER 60S.
NORTHWEST WINDS AROUND 6 MPH.
SATURDAY
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE LOWER
60S.
SUNDAY
MOSTLY CLOUDY. CHANCE OF RAIN. LOWS IN THE UPPER 40S.
HIGHS AROUND 60.
.8 TO 14 DAY OUTLOOK FOR MAY 25 - 31 2026
NEAR NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
WAZ650-181100-
NORTH COASTAL LOWLANDS-
330 PM PDT SUN MAY 17 2026
TONIGHT
* SKY/WEATHER..........MOSTLY CLOUDY.
* CHANCE OF PRECIP.....0%.
* MIN TEMPERATURE......40-50.
* MAX HUMIDITY.........78-93 PERCENT.
* 20-FOOT WINDS........
* VALLEYS/LWR SLOPES..NORTHWEST WINDS 3 TO 6 MPH.
* RIDGES/UPR SLOPES...NORTHWEST WINDS 3 TO 6 MPH.
* MIXING HEIGHT........500-1400 FT AGL.
* TRANSPORT WINDS......NORTHWEST AROUND 10 MPH.
MONDAY
* SKY/WEATHER..........MOSTLY SUNNY.
* CHANCE OF PRECIP.....0%.
* MAX TEMPERATURE......54-64.
* MIN HUMIDITY.........57-72 PERCENT.
* 20-FOOT WINDS........
* VALLEYS/LWR SLOPES..WEST WINDS 4 TO 8 MPH.
* RIDGES/UPR SLOPES...WEST WINDS 4 TO 8 MPH.
* MIXING HEIGHT........1600-2600 FT AGL.
* TRANSPORT WINDS......NORTHWEST AROUND 10 MPH.
MONDAY NIGHT
* SKY/WEATHER..........MOSTLY CLOUDY.
* CHANCE OF PRECIP.....0%.
* MIN TEMPERATURE......41-51.
* MAX HUMIDITY.........80-95 PERCENT.
* 20-FOOT WINDS........
* VALLEYS/LWR SLOPES..NORTHWEST WINDS 3 TO 7 MPH. GUSTS UP TO 25
MPH IN THE EVENING.
* RIDGES/UPR SLOPES...NORTHWEST WINDS 3 TO 7 MPH.
* MIXING HEIGHT........700-1700 FT AGL.
* TRANSPORT WINDS......NORTHWEST 5 TO 10 MPH.
TUESDAY
* SKY/WEATHER..........PARTLY SUNNY.
* CHANCE OF PRECIP.....0%.
* MAX TEMPERATURE......56-66.
* MIN HUMIDITY.........65-80 PERCENT...EXCEPT 71-82 PERCENT RIDGES.
* 20-FOOT WINDS........
* VALLEYS/LWR SLOPES..LIGHT WINDS BECOMING WEST AROUND 6 MPH IN THE
AFTERNOON.
* RIDGES/UPR SLOPES...LIGHT WINDS BECOMING WEST AROUND 7 MPH IN THE
AFTERNOON.
* MIXING HEIGHT........700 FT AGL INCREASING TO 2900 FT AGL IN THE
AFTERNOON.
* TRANSPORT WINDS......NORTHWEST 5 TO 10 MPH.
WEDNESDAY
MOSTLY CLOUDY. LOWS IN THE MID 40S. HIGHS 61 TO 71.
WEST WINDS 3 TO 7 MPH.
THURSDAY THROUGH FRIDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S.
HIGHS 62 TO 72. WEST WINDS 3 TO 4 MPH.
SATURDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS 58 TO 68.
SUNDAY
MOSTLY CLOUDY. CHANCE OF RAIN. LOWS IN THE UPPER 40S.
HIGHS 56 TO 66.
.8 TO 14 DAY OUTLOOK FOR MAY 25 - 31 2026
NEAR NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
WAZ651-181100-
CENTRAL COASTAL LOWLANDS-
330 PM PDT SUN MAY 17 2026
TONIGHT
* SKY/WEATHER..........MOSTLY CLOUDY.
* CHANCE OF PRECIP.....0%.
* MIN TEMPERATURE......39-49.
* MAX HUMIDITY.........80-95 PERCENT.
* 20-FOOT WINDS........
* VALLEYS/LWR SLOPES..WEST WINDS 5 TO 8 MPH.
* RIDGES/UPR SLOPES...WEST WINDS 5 TO 8 MPH.
* MIXING HEIGHT........500-1500 FT AGL.
* TRANSPORT WINDS......NORTHWEST AROUND 10 MPH.
MONDAY
* SKY/WEATHER..........MOSTLY SUNNY.
* CHANCE OF PRECIP.....0%.
* MAX TEMPERATURE......57-67.
* MIN HUMIDITY.........47-62 PERCENT...EXCEPT 55-64 PERCENT RIDGES.
* 20-FOOT WINDS........
* VALLEYS/LWR SLOPES..WEST WINDS 4 TO 9 MPH. GUSTS UP TO 25 MPH IN
THE AFTERNOON.
* RIDGES/UPR SLOPES...WEST WINDS 4 TO 10 MPH. GUSTS UP TO 25 MPH IN
THE AFTERNOON.
* MIXING HEIGHT........1200 FT AGL INCREASING TO 3500 FT AGL IN THE
AFTERNOON.
* TRANSPORT WINDS......WEST 5 TO 10 MPH.
MONDAY NIGHT
* SKY/WEATHER..........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* CHANCE OF PRECIP.....0%.
* MIN TEMPERATURE......40-50.
* MAX HUMIDITY.........80-95 PERCENT.
* 20-FOOT WINDS........
* VALLEYS/LWR SLOPES..WEST WINDS 4 TO 9 MPH. GUSTS UP TO 25 MPH IN
THE EVENING.
* RIDGES/UPR SLOPES...WEST WINDS 4 TO 9 MPH. GUSTS UP TO 25 MPH IN
THE EVENING.
* MIXING HEIGHT........700-1700 FT AGL.
* TRANSPORT WINDS......NORTHWEST AROUND 10 MPH.
TUESDAY
* SKY/WEATHER..........PARTLY SUNNY.
* CHANCE OF PRECIP.....0%.
* MAX TEMPERATURE......58-68.
* MIN HUMIDITY.........56-71 PERCENT...EXCEPT 64-75 PERCENT RIDGES.
* 20-FOOT WINDS........
* VALLEYS/LWR SLOPES..LIGHT WINDS BECOMING WEST AROUND 7 MPH IN THE
AFTERNOON.
* RIDGES/UPR SLOPES...LIGHT WINDS BECOMING WEST AROUND 7 MPH IN THE
AFTERNOON.
* MIXING HEIGHT........700 FT AGL INCREASING TO 3600 FT AGL IN THE
AFTERNOON.
* TRANSPORT WINDS......WEST 5 TO 10 MPH.
WEDNESDAY
MOSTLY CLOUDY. LOWS IN THE MID 40S. HIGHS 66 TO
76 VALLEYS...59 TO 69 RIDGES. WEST WINDS 3 TO 9 MPH.
THURSDAY THROUGH FRIDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S.
HIGHS 66 TO 76. WEST WINDS 3 TO 6 MPH.
SATURDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS 62 TO 72.
SUNDAY
PARTLY CLOUDY. CHANCE OF RAIN. LOWS IN THE MID 40S. HIGHS
60 TO 70.
.8 TO 14 DAY OUTLOOK FOR MAY 25 - 31 2026
NEAR NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
WAZ652-181100-
WEST PORTION OF THE OLYMPIC MOUNTAINS-
330 PM PDT SUN MAY 17 2026
TONIGHT
* SKY/WEATHER..........MOSTLY CLOUDY.
* CHANCE OF PRECIP.....0%.
* MIN TEMPERATURE......34-44.
* MAX HUMIDITY.........74-89 PERCENT.
* 20-FOOT WINDS........
* VALLEYS/LWR SLOPES..DOWNSLOPE/DOWNVALLEY 3 TO 5 MPH.
* RIDGES/UPR SLOPES...NORTHWEST WINDS 3 TO 6 MPH.
* SNOW LEVEL...........5500 FEET.
* MIXING HEIGHT........600-1600 FT AGL.
* TRANSPORT WINDS......NORTHWEST 5 TO 10 MPH.
MONDAY
* SKY/WEATHER..........MOSTLY SUNNY.
* CHANCE OF PRECIP.....0%.
* MAX TEMPERATURE......47-57.
* MIN HUMIDITY.........48-63 PERCENT.
* 20-FOOT WINDS........
* VALLEYS/LWR SLOPES..WEST WINDS 3 TO 9 MPH.
* RIDGES/UPR SLOPES...WEST WINDS 3 TO 9 MPH.
* SNOW LEVEL...........4500 FEET.
* MIXING HEIGHT........1000 FT AGL INCREASING TO 3600 FT AGL IN THE
AFTERNOON.
* TRANSPORT WINDS......NORTHWEST 5 TO 10 MPH.
MONDAY NIGHT
* SKY/WEATHER..........MOSTLY CLOUDY.
* CHANCE OF PRECIP.....0%.
* MIN TEMPERATURE......34-44.
* MAX HUMIDITY.........76-91 PERCENT.
* 20-FOOT WINDS........
* VALLEYS/LWR SLOPES..NORTHWEST WINDS AROUND 7 MPH IN THE EVENING
BECOMING LIGHT.
* RIDGES/UPR SLOPES...NORTHWEST WINDS 3 TO 7 MPH.
* SNOW LEVEL...........6000 FEET.
* MIXING HEIGHT........600-1600 FT AGL.
* TRANSPORT WINDS......NORTHWEST 5 TO 10 MPH.
TUESDAY
* SKY/WEATHER..........PARTLY SUNNY.
* CHANCE OF PRECIP.....0%.
* MAX TEMPERATURE......53-63...EXCEPT 48-58 RIDGES.
* MIN HUMIDITY.........63-78 PERCENT.
* 20-FOOT WINDS........
* VALLEYS/LWR SLOPES..LIGHT WINDS BECOMING WEST AROUND 6 MPH IN THE
AFTERNOON.
* RIDGES/UPR SLOPES...LIGHT WINDS BECOMING WEST AROUND 7 MPH IN THE
AFTERNOON.
* SNOW LEVEL...........6000 FEET.
* MIXING HEIGHT........700 FT AGL INCREASING TO 3400 FT AGL IN THE
AFTERNOON.
* TRANSPORT WINDS......NORTHWEST 5 TO 10 MPH.
WEDNESDAY THROUGH FRIDAY
PARTLY CLOUDY. SNOW LEVEL 7000 FEET.
LOWS 39 TO 49. HIGHS 58 TO 68. WEST WINDS 3 TO 7 MPH.
SATURDAY
PARTLY CLOUDY. SNOW LEVEL 6000 FEET. LOWS IN THE UPPER
40S. HIGHS 54 TO 64.
SUNDAY
PARTLY CLOUDY. CHANCE OF RAIN. SNOW LEVEL 4500 FEET. LOWS
IN THE MID 40S. HIGHS 51 TO 61.
.8 TO 14 DAY OUTLOOK FOR MAY 25 - 31 2026
NEAR NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
WAZ661-181100-
EAST PORTION OF THE OLYMPIC MOUNTAINS-
330 PM PDT SUN MAY 17 2026
TONIGHT
* SKY/WEATHER..........MOSTLY CLOUDY.
* CHANCE OF PRECIP.....0%.
* MIN TEMPERATURE......34-44.
* MAX HUMIDITY.........75-90 PERCENT...EXCEPT 67-82 PERCENT RIDGES.
* 20-FOOT WINDS........
* VALLEYS/LWR SLOPES..DOWNSLOPE/DOWNVALLEY 3 TO 4 MPH.
* RIDGES/UPR SLOPES...NORTHWEST WINDS 3 TO 5 MPH.
* SNOW LEVEL...........5500 FEET.
* MIXING HEIGHT........600-1600 FT AGL.
* TRANSPORT WINDS......NORTHWEST AROUND 5 MPH.
MONDAY
* SKY/WEATHER..........PARTLY SUNNY.
* CHANCE OF PRECIP.....0%.
* MAX TEMPERATURE......53-63...EXCEPT 48-58 RIDGES.
* MIN HUMIDITY.........53-68 PERCENT.
* 20-FOOT WINDS........
* VALLEYS/LWR SLOPES..LIGHT WINDS BECOMING WEST AROUND 6 MPH IN THE
AFTERNOON.
* RIDGES/UPR SLOPES...WEST WINDS 3 TO 8 MPH.
* SNOW LEVEL...........5500 FEET.
* MIXING HEIGHT........1200 FT AGL INCREASING TO 3800 FT AGL IN THE
AFTERNOON.
* TRANSPORT WINDS......WEST 5 TO 10 MPH.
MONDAY NIGHT
* SKY/WEATHER..........MOSTLY CLOUDY.
* CHANCE OF PRECIP.....0%.
* MIN TEMPERATURE......34-44.
* MAX HUMIDITY.........77-92 PERCENT...EXCEPT 71-86 PERCENT RIDGES.
* 20-FOOT WINDS........
* VALLEYS/LWR SLOPES..DOWNSLOPE/DOWNVALLEY 3 TO 5 MPH.
* RIDGES/UPR SLOPES...WEST WINDS 3 TO 6 MPH.
* SNOW LEVEL...........6000 FEET.
* MIXING HEIGHT........500-1500 FT AGL.
* TRANSPORT WINDS......WEST AROUND 5 MPH.
TUESDAY
* SKY/WEATHER..........PARTLY SUNNY.
* CHANCE OF PRECIP.....0%.
* MAX TEMPERATURE......53-63...EXCEPT 48-58 RIDGES.
* MIN HUMIDITY.........66-81 PERCENT.
* 20-FOOT WINDS........
* VALLEYS/LWR SLOPES..UPSLOPE/UPVALLEY 2 TO 5 MPH.
* RIDGES/UPR SLOPES...WEST WINDS 3 TO 7 MPH.
* SNOW LEVEL...........6000 FEET.
* MIXING HEIGHT........800 FT AGL INCREASING TO 3100 FT AGL IN THE
AFTERNOON.
* TRANSPORT WINDS......WEST 5 TO 10 MPH.
WEDNESDAY THROUGH THURSDAY
PARTLY CLOUDY. SNOW LEVEL 7250 FEET.
LOWS 41 TO 51. HIGHS 60 TO 70 VALLEYS...53 TO 63 RIDGES. NORTHWEST
WINDS 3 TO 6 MPH.
FRIDAY
PARTLY CLOUDY. SNOW LEVEL 7000 FEET. LOWS 41 TO 51. HIGHS
57 TO 67. WEST WINDS AROUND 4 MPH.
SATURDAY
PARTLY CLOUDY. SNOW LEVEL 6500 FEET. LOWS 41 TO 51.
HIGHS 58 TO 68 VALLEYS...51 TO 61 RIDGES.
SUNDAY
PARTLY CLOUDY. CHANCE OF RAIN. SNOW LEVEL 5000 FEET. LOWS
39 TO 49. HIGHS 54 TO 64 VALLEYS...47 TO 57 RIDGES.
.8 TO 14 DAY OUTLOOK FOR MAY 25 - 31 2026
NEAR NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
WAZ653-181100-
STRAIT OF JUAN DE FUCA AND NORTHWEST INTERIOR LOWLANDS-
330 PM PDT SUN MAY 17 2026
TONIGHT
* SKY/WEATHER..........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* CHANCE OF PRECIP.....0%.
* MIN TEMPERATURE......41-51.
* MAX HUMIDITY.........77-92 PERCENT.
* 20-FOOT WINDS........SOUTHWEST WINDS 3 TO 6 MPH.
* MIXING HEIGHT........500-800 FT AGL.
* TRANSPORT WINDS......WEST AROUND 10 MPH.
MONDAY
* SKY/WEATHER..........PARTLY SUNNY.
* CHANCE OF PRECIP.....0%.
* MAX TEMPERATURE......58-68.
* MIN HUMIDITY.........51-66 PERCENT.
* 20-FOOT WINDS........WEST WINDS 3 TO 6 MPH.
* MIXING HEIGHT........1000-2000 FT AGL.
* TRANSPORT WINDS......WEST 5 TO 10 MPH.
MONDAY NIGHT
* SKY/WEATHER..........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* CHANCE OF PRECIP.....0%.
* MIN TEMPERATURE......42-52.
* MAX HUMIDITY.........80-95 PERCENT.
* 20-FOOT WINDS........SOUTHWEST WINDS 4 TO 7 MPH.
* MIXING HEIGHT........500-1000 FT AGL.
* TRANSPORT WINDS......WEST AROUND 10 MPH.
TUESDAY
* SKY/WEATHER..........MOSTLY CLOUDY.
* CHANCE OF PRECIP.....0%.
* MAX TEMPERATURE......59-69.
* MIN HUMIDITY.........57-72 PERCENT.
* 20-FOOT WINDS........SOUTHWEST WINDS 3 TO 6 MPH.
* MIXING HEIGHT........900-1900 FT AGL.
* TRANSPORT WINDS......SOUTHWEST AROUND 5 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS 44 TO 54. HIGHS 62 TO 72. NORTHWEST
WINDS 3 TO 6 MPH.
THURSDAY
MOSTLY CLOUDY. LOWS AROUND 50. HIGHS 64 TO 74. WEST
WINDS AROUND 3 MPH.
FRIDAY
PARTLY CLOUDY. LOWS AROUND 50. HIGHS 63 TO 73. WEST WINDS
AROUND 3 MPH.
SATURDAY
PARTLY CLOUDY. LOWS AROUND 50. HIGHS 62 TO 72.
SUNDAY
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN. LOWS 44 TO 54. HIGHS
59 TO 69.
.8 TO 14 DAY OUTLOOK FOR MAY 25 - 31 2026
NEAR NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
WAZ654-181100-
CENTRAL AND SOUTH PUGET SOUND LOWLANDS-
330 PM PDT SUN MAY 17 2026
TONIGHT
* SKY/WEATHER..........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* CHANCE OF PRECIP.....0%.
* MIN TEMPERATURE......41-51.
* MAX HUMIDITY.........78-93 PERCENT.
* 20-FOOT WINDS........LIGHT WINDS.
* MIXING HEIGHT........600-1600 FT AGL.
* TRANSPORT WINDS......NORTHWEST AROUND 5 MPH SHIFTING TO THE
SOUTHEAST AFTER MIDNIGHT.
MONDAY
* SKY/WEATHER..........PARTLY SUNNY.
* CHANCE OF PRECIP.....0%.
* MAX TEMPERATURE......58-68.
* MIN HUMIDITY.........60-75 PERCENT.
* 20-FOOT WINDS........LIGHT WINDS BECOMING NORTHWEST AROUND 3 MPH
IN THE AFTERNOON.
* MIXING HEIGHT........1100 FT AGL INCREASING TO 4000 FT AGL IN THE
AFTERNOON.
* TRANSPORT WINDS......SOUTHEAST AROUND 5 MPH SHIFTING TO THE
NORTHWEST IN THE AFTERNOON.
MONDAY NIGHT
* SKY/WEATHER..........MOSTLY CLOUDY.
* CHANCE OF PRECIP.....0%.
* MIN TEMPERATURE......41-51.
* MAX HUMIDITY.........80-95 PERCENT.
* 20-FOOT WINDS........NORTH WINDS AROUND 4 MPH IN THE EVENING
BECOMING LIGHT.
* MIXING HEIGHT........600-1600 FT AGL.
* TRANSPORT WINDS......NORTH AROUND 5 MPH SHIFTING TO THE SOUTH
AFTER MIDNIGHT.
TUESDAY
* SKY/WEATHER..........PARTLY SUNNY.
* CHANCE OF PRECIP.....0%.
* MAX TEMPERATURE......58-68.
* MIN HUMIDITY.........64-79 PERCENT.
* 20-FOOT WINDS........LIGHT WINDS BECOMING SOUTH AROUND 3 MPH IN
THE AFTERNOON.
* MIXING HEIGHT........900 FT AGL INCREASING TO 3400 FT AGL IN THE
AFTERNOON.
* TRANSPORT WINDS......SOUTH AROUND 5 MPH.
WEDNESDAY
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS AROUND 70.
NORTHEAST WINDS 3 TO 4 MPH.
THURSDAY THROUGH FRIDAY
PARTLY CLOUDY. LOWS AROUND 50. HIGHS IN
THE LOWER 70S. SOUTHWEST WINDS UP TO 3 MPH.
SATURDAY
PARTLY CLOUDY. LOWS AROUND 50. HIGHS IN THE UPPER 60S.
SUNDAY
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN. LOWS IN THE UPPER
40S. HIGHS IN THE MID 60S.
.8 TO 14 DAY OUTLOOK FOR MAY 25 - 31 2026
NEAR NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
WAZ655-181100-
BLACK HILLS AND SOUTHWEST INTERIOR LOWLANDS-
330 PM PDT SUN MAY 17 2026
TONIGHT
* SKY/WEATHER..........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* CHANCE OF PRECIP.....0%.
* MIN TEMPERATURE......36-46.
* MAX HUMIDITY.........80-95 PERCENT.
* 20-FOOT WINDS........NORTHWEST WINDS AROUND 4 MPH IN THE EVENING
BECOMING LIGHT.
* MIXING HEIGHT........700-1700 FT AGL.
* TRANSPORT WINDS......WEST 5 TO 10 MPH.
MONDAY
* SKY/WEATHER..........MOSTLY SUNNY.
* CHANCE OF PRECIP.....0%.
* MAX TEMPERATURE......60-70.
* MIN HUMIDITY.........45-60 PERCENT.
* 20-FOOT WINDS........LIGHT WINDS BECOMING WEST AROUND 5 MPH IN
THE AFTERNOON.
* MIXING HEIGHT........1100 FT AGL INCREASING TO 4200 FT AGL IN THE
AFTERNOON.
* TRANSPORT WINDS......WEST 5 TO 10 MPH.
MONDAY NIGHT
* SKY/WEATHER..........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* CHANCE OF PRECIP.....0%.
* MIN TEMPERATURE......38-48.
* MAX HUMIDITY.........81-96 PERCENT.
* 20-FOOT WINDS........WEST WINDS AROUND 7 MPH IN THE EVENING
BECOMING LIGHT.
* MIXING HEIGHT........2400 FT AGL DECREASING TO 400 FT AGL AFTER
MIDNIGHT.
* TRANSPORT WINDS......WEST 5 TO 10 MPH.
TUESDAY
* SKY/WEATHER..........PARTLY SUNNY.
* CHANCE OF PRECIP.....0%.
* MAX TEMPERATURE......60-70.
* MIN HUMIDITY.........56-71 PERCENT.
* 20-FOOT WINDS........LIGHT WINDS BECOMING WEST AROUND 4 MPH IN
THE AFTERNOON.
* MIXING HEIGHT........700 FT AGL INCREASING TO 3500 FT AGL IN THE
AFTERNOON.
* TRANSPORT WINDS......WEST 5 TO 10 MPH.
WEDNESDAY
MOSTLY CLOUDY. LOWS IN THE MID 40S. HIGHS 67 TO 77.
NORTHWEST WINDS UP TO 6 MPH.
THURSDAY THROUGH FRIDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S.
HIGHS 69 TO 79. WEST WINDS 3 TO 4 MPH.
SATURDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS AROUND 70.
SUNDAY
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN. LOWS IN THE MID 40S.
HIGHS IN THE UPPER 60S.
.8 TO 14 DAY OUTLOOK FOR MAY 25 - 31 2026
NEAR NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
WAZ656-181100-
NORTHEAST PUGET SOUND LOWLANDS GENERALLY BELOW 1500 FEET-
330 PM PDT SUN MAY 17 2026
TONIGHT
* SKY/WEATHER..........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* CHANCE OF PRECIP.....0%.
* MIN TEMPERATURE......38-48.
* MAX HUMIDITY.........79-94 PERCENT.
* 20-FOOT WINDS........WEST WINDS AROUND 3 MPH IN THE EVENING
BECOMING LIGHT.
* MIXING HEIGHT........500-1500 FT AGL.
* TRANSPORT WINDS......WEST AROUND 5 MPH SHIFTING TO THE SOUTHEAST
AFTER MIDNIGHT.
MONDAY
* SKY/WEATHER..........MOSTLY SUNNY.
* CHANCE OF PRECIP.....0%.
* MAX TEMPERATURE......55-65.
* MIN HUMIDITY.........46-61 PERCENT.
* 20-FOOT WINDS........LIGHT WINDS BECOMING WEST AROUND 6 MPH IN
THE AFTERNOON.
* MIXING HEIGHT........1200 FT AGL INCREASING TO 3600 FT AGL IN THE
AFTERNOON.
* TRANSPORT WINDS......WEST 5 TO 10 MPH.
MONDAY NIGHT
* SKY/WEATHER..........PARTLY CLOUDY.
* CHANCE OF PRECIP.....0%.
* MIN TEMPERATURE......38-48.
* MAX HUMIDITY.........78-93 PERCENT.
* 20-FOOT WINDS........WEST WINDS AROUND 4 MPH IN THE EVENING
BECOMING LIGHT.
* MIXING HEIGHT........500-1500 FT AGL.
* TRANSPORT WINDS......WEST AROUND 5 MPH SHIFTING TO THE SOUTHEAST
AFTER MIDNIGHT.
TUESDAY
* SKY/WEATHER..........PARTLY SUNNY.
* CHANCE OF PRECIP.....0%.
* MAX TEMPERATURE......55-65.
* MIN HUMIDITY.........58-73 PERCENT.
* 20-FOOT WINDS........LIGHT WINDS BECOMING SOUTHWEST AROUND 5 MPH
IN THE AFTERNOON.
* MIXING HEIGHT........800 FT AGL INCREASING TO 2900 FT AGL IN THE
AFTERNOON.
* TRANSPORT WINDS......SOUTHWEST AROUND 5 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS IN THE MID 40S. HIGHS 64 TO 74.
WEST WINDS UP TO 5 MPH.
THURSDAY
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS 65 TO 75.
WEST WINDS AROUND 3 MPH.
FRIDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS 65 TO 75. WEST
WINDS AROUND 3 MPH.
SATURDAY
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN. LOWS IN THE UPPER
40S. HIGHS 63 TO 73.
SUNDAY
PARTLY CLOUDY. CHANCE OF RAIN. LOWS IN THE UPPER 40S.
HIGHS 60 TO 70.
.8 TO 14 DAY OUTLOOK FOR MAY 25 - 31 2026
NEAR NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
WAZ657-181100-
SOUTHEAST PUGET SOUND LOWLANDS GENERALLY BELOW 1500 FEET-
330 PM PDT SUN MAY 17 2026
TONIGHT
* SKY/WEATHER..........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* CHANCE OF PRECIP.....0%.
* MIN TEMPERATURE......38-48.
* MAX HUMIDITY.........83-98 PERCENT.
* 20-FOOT WINDS........LIGHT WINDS.
* MIXING HEIGHT........800-1800 FT AGL.
* TRANSPORT WINDS......NORTH AROUND 5 MPH SHIFTING TO THE SOUTHEAST
AFTER MIDNIGHT.
MONDAY
* SKY/WEATHER..........MOSTLY SUNNY.
* CHANCE OF PRECIP.....0%.
* MAX TEMPERATURE......58-68.
* MIN HUMIDITY.........44-59 PERCENT.
* 20-FOOT WINDS........LIGHT WINDS BECOMING NORTHWEST AROUND 3 MPH
IN THE AFTERNOON.
* MIXING HEIGHT........1200 FT AGL INCREASING TO 4400 FT AGL IN THE
AFTERNOON.
* TRANSPORT WINDS......NORTHWEST AROUND 5 MPH.
MONDAY NIGHT
* SKY/WEATHER..........PARTLY CLOUDY.
* CHANCE OF PRECIP.....0%.
* MIN TEMPERATURE......40-50.
* MAX HUMIDITY.........80-95 PERCENT.
* 20-FOOT WINDS........NORTHWEST WINDS AROUND 3 MPH IN THE EVENING
BECOMING LIGHT.
* MIXING HEIGHT........900-1900 FT AGL.
* TRANSPORT WINDS......NORTHWEST AROUND 5 MPH SHIFTING TO THE
SOUTHEAST AFTER MIDNIGHT.
TUESDAY
* SKY/WEATHER..........PARTLY SUNNY.
* CHANCE OF PRECIP.....0%.
* MAX TEMPERATURE......59-69.
* MIN HUMIDITY.........53-68 PERCENT.
* 20-FOOT WINDS........LIGHT WINDS BECOMING WEST AROUND 3 MPH IN
THE AFTERNOON.
* MIXING HEIGHT........1000 FT AGL INCREASING TO 3400 FT AGL IN THE
AFTERNOON.
* TRANSPORT WINDS......SOUTHWEST AROUND 5 MPH.
WEDNESDAY
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS AROUND 70.
NORTHWEST WINDS UP TO 4 MPH.
THURSDAY THROUGH FRIDAY
PARTLY CLOUDY. LOWS 45 TO 55. HIGHS IN
THE LOWER 70S. LIGHT WINDS.
SATURDAY
PARTLY CLOUDY. LOWS 45 TO 55. HIGHS AROUND 70.
SUNDAY
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN. LOWS 43 TO 53. HIGHS
IN THE UPPER 60S.
.8 TO 14 DAY OUTLOOK FOR MAY 25 - 31 2026
NEAR NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
WAZ658-181100-
WEST SLOPES OF THE NORTH CASCADES GENERALLY ABOVE 1500 FEET-
330 PM PDT SUN MAY 17 2026
TONIGHT
* SKY/WEATHER..........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* CHANCE OF PRECIP.....0%.
* MIN TEMPERATURE......35-45...EXCEPT 30-40 RIDGES.
* MAX HUMIDITY.........75-90 PERCENT.
* 20-FOOT WINDS........
* VALLEYS/LWR SLOPES..DOWNSLOPE/DOWNVALLEY 1 TO 3 MPH.
* RIDGES/UPR SLOPES...WEST WINDS 3 TO 6 MPH.
* SNOW LEVEL...........5500 FEET.
* MIXING HEIGHT........500-1500 FT AGL.
* TRANSPORT WINDS......WEST 5 TO 10 MPH.
MONDAY
* SKY/WEATHER..........PARTLY SUNNY.
* CHANCE OF PRECIP.....0%.
* MAX TEMPERATURE......54-64...EXCEPT 47-57 RIDGES.
* MIN HUMIDITY.........49-64 PERCENT.
* 20-FOOT WINDS........
* VALLEYS/LWR SLOPES..LIGHT WINDS BECOMING WEST AROUND 6 MPH IN THE
AFTERNOON.
* RIDGES/UPR SLOPES...WEST WINDS 3 TO 9 MPH.
* SNOW LEVEL...........5500 FEET.
* MIXING HEIGHT........1100 FT AGL INCREASING TO 3600 FT AGL IN THE
AFTERNOON.
* TRANSPORT WINDS......WEST 5 TO 10 MPH.
MONDAY NIGHT
* SKY/WEATHER..........PARTLY CLOUDY.
* CHANCE OF PRECIP.....0%.
* MIN TEMPERATURE......35-45...EXCEPT 30-40 RIDGES.
* MAX HUMIDITY.........75-90 PERCENT.
* 20-FOOT WINDS........
* VALLEYS/LWR SLOPES..DOWNSLOPE/DOWNVALLEY 2 TO 5 MPH.
* RIDGES/UPR SLOPES...SOUTHWEST WINDS 3 TO 8 MPH.
* SNOW LEVEL...........5500 FEET.
* MIXING HEIGHT........600-1600 FT AGL.
* TRANSPORT WINDS......WEST 5 TO 10 MPH.
TUESDAY
* SKY/WEATHER..........PARTLY SUNNY.
* CHANCE OF PRECIP.....0%.
* MAX TEMPERATURE......53-63...EXCEPT 46-56 RIDGES.
* MIN HUMIDITY.........57-72 PERCENT.
* 20-FOOT WINDS........
* VALLEYS/LWR SLOPES..UPSLOPE/UPVALLEY 2 TO 5 MPH.
* RIDGES/UPR SLOPES...WEST WINDS 3 TO 8 MPH.
* SNOW LEVEL...........6000 FEET.
* MIXING HEIGHT........800 FT AGL INCREASING TO 2900 FT AGL IN THE
AFTERNOON.
* TRANSPORT WINDS......WEST 5 TO 10 MPH.
WEDNESDAY
PARTLY CLOUDY. SNOW LEVEL 6500 FEET. LOWS 36 TO 46.
HIGHS 59 TO 69 VALLEYS...52 TO 62 RIDGES. WEST WINDS 3 TO 7 MPH.
THURSDAY
MOSTLY CLOUDY. SNOW LEVEL 7500 FEET. LOWS 39 TO 49.
HIGHS 60 TO 70 VALLEYS...53 TO 63 RIDGES. WEST WINDS AROUND 5 MPH.
FRIDAY
PARTLY CLOUDY. SNOW LEVEL 7000 FEET. LOWS 39 TO 49. HIGHS
56 TO 66. WEST WINDS AROUND 4 MPH.
SATURDAY
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN. SNOW LEVEL
6500 FEET. LOWS 40 TO 50. HIGHS 58 TO 68 VALLEYS...51 TO 61 RIDGES.
SUNDAY
PARTLY CLOUDY. CHANCE OF RAIN AND SLIGHT CHANCE OF SNOW.
SNOW LEVEL 5500 FEET. LOWS 37 TO 47. HIGHS 51 TO 61.
.8 TO 14 DAY OUTLOOK FOR MAY 25 - 31 2026
NEAR NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
WAZ659-181100-
WEST SLOPES OF THE CENTRAL CASCADES GENERALLY ABOVE 1500 FEET-
330 PM PDT SUN MAY 17 2026
TONIGHT
* SKY/WEATHER..........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* CHANCE OF PRECIP.....0%.
* MIN TEMPERATURE......34-44...EXCEPT 28-38 RIDGES.
* MAX HUMIDITY.........79-94 PERCENT...EXCEPT 74-89 PERCENT RIDGES.
* 20-FOOT WINDS........
* VALLEYS/LWR SLOPES..DOWNSLOPE/DOWNVALLEY 1 TO 3 MPH.
* RIDGES/UPR SLOPES...NORTHWEST WINDS AROUND 5 MPH IN THE EVENING
BECOMING LIGHT.
* SNOW LEVEL...........5500 FEET.
* MIXING HEIGHT........600-1600 FT AGL.
* TRANSPORT WINDS......NORTHWEST 5 TO 10 MPH.
MONDAY
* SKY/WEATHER..........PARTLY SUNNY.
* CHANCE OF PRECIP.....0%.
* MAX TEMPERATURE......53-63...EXCEPT 46-56 RIDGES.
* MIN HUMIDITY.........51-66 PERCENT.
* 20-FOOT WINDS........
* VALLEYS/LWR SLOPES..LIGHT WINDS BECOMING NORTHWEST AROUND 6 MPH
IN THE AFTERNOON.
* RIDGES/UPR SLOPES...NORTHWEST WINDS 3 TO 9 MPH. GUSTS UP TO 25
MPH IN THE AFTERNOON.
* SNOW LEVEL...........5500 FEET.
* MIXING HEIGHT........1100 FT AGL INCREASING TO 3900 FT AGL IN THE
AFTERNOON.
* TRANSPORT WINDS......NORTHWEST 5 TO 10 MPH.
MONDAY NIGHT
* SKY/WEATHER..........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* CHANCE OF PRECIP.....0%.
* MIN TEMPERATURE......36-46...EXCEPT 31-41 RIDGES.
* MAX HUMIDITY.........77-92 PERCENT.
* 20-FOOT WINDS........
* VALLEYS/LWR SLOPES..DOWNSLOPE/DOWNVALLEY 1 TO 4 MPH.
* RIDGES/UPR SLOPES...NORTHWEST WINDS AROUND 6 MPH IN THE EVENING
BECOMING LIGHT.
* SNOW LEVEL...........6000 FEET.
* MIXING HEIGHT........900-1900 FT AGL.
* TRANSPORT WINDS......NORTHWEST 5 TO 10 MPH.
TUESDAY
* SKY/WEATHER..........PARTLY SUNNY.
* CHANCE OF PRECIP.....0%.
* MAX TEMPERATURE......55-65...EXCEPT 47-57 RIDGES.
* MIN HUMIDITY.........57-72 PERCENT.
* 20-FOOT WINDS........
* VALLEYS/LWR SLOPES..UPSLOPE/UPVALLEY 0 TO 5 MPH.
* RIDGES/UPR SLOPES...LIGHT WINDS BECOMING WEST AROUND 8 MPH IN THE
AFTERNOON.
* SNOW LEVEL...........6000 FEET.
* MIXING HEIGHT........900 FT AGL INCREASING TO 3200 FT AGL IN THE
AFTERNOON.
* TRANSPORT WINDS......WEST 5 TO 10 MPH.
WEDNESDAY
MOSTLY CLOUDY. SNOW LEVEL 7000 FEET. LOWS 38 TO 48.
HIGHS 56 TO 66. NORTHWEST WINDS 3 TO 7 MPH.
THURSDAY THROUGH FRIDAY
PARTLY CLOUDY. SNOW LEVEL 7500 FEET. LOWS
40 TO 50. HIGHS 59 TO 69. WEST WINDS 3 TO 4 MPH.
SATURDAY
PARTLY CLOUDY. SNOW LEVEL 6500 FEET. LOWS 40 TO 50.
HIGHS 57 TO 67.
SUNDAY
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN. SNOW LEVEL
5500 FEET. LOWS 38 TO 48. HIGHS 55 TO 65.
.8 TO 14 DAY OUTLOOK FOR MAY 25 - 31 2026
NEAR NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.
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