886
FNUS76 KSEW 171153
FWSSEW
SPOT FORECAST FOR PERRY FIRE...NPS
NATIONAL WEATHER SERVICE SEATTLE WA
453 AM PDT WED SEP 17 2025
FORECAST IS BASED ON FORECAST START TIME OF 0812 PDT ON SEPTEMBER 17.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
PLEASE CONTACT OUR OFFICE AT (206) 526-6095, IF YOU HAVE QUESTIONS
OR CONCERNS WITH THIS FORECAST.
DISCUSSION
A THERMAL TROUGH WILL SHIFT EAST OF THE FIRE BY THE
AFTERNOON, RESULTING IN LOCALLY BREEZY CONDITIONS THIS MORNING AND
CALMER WINDS IN THE AFTERNOON. WILDFIRE SMOKE MAY IMPACT
VISIBILITIES AT THE BURN SITE AT TIMES. ONSHORE FLOW WILL BRING
IN COOLER AND MORE MOIST CONDITIONS TO THE AREA THROUGH FRIDAY,
WITH GOOD OVERNIGHT RELATIVE HUMIDITY RECOVERIES. THE NEXT CHANCE
FOR WETTING RAINS WILL ARRIVE ON SATURDAY.
REST OF TODAY
SKY/WEATHER.........SUNNY (0-10 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.1 PERCENT.
MAX TEMPERATURE.....AROUND 74.
MIN HUMIDITY........44 PERCENT.
WIND (20 FT)........LIGHT WINDS IN THE MORNING, BECOMING WEST TO
SOUTHWEST 5 TO 8 MPH IN THE AFTERNOON.
MIXING HEIGHT.......4900 FT AGL.
TRANSPORT WINDS.....SOUTH AROUND 9 MPH.
RAINFALL AMOUNT.....0.00 INCHES.
CEILING (KFT).......25.
VISIBILITY..........10.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.1 PERCENT.
MIN TEMPERATURE.....AROUND 50.
MAX HUMIDITY........80 PERCENT.
WIND (20 FT)........LIGHT WINDS.
MIXING HEIGHT.......1300 FT AGL.
TRANSPORT WINDS.....NORTHWEST AROUND 4 MPH.
RAINFALL AMOUNT.....0.00 INCHES.
VISIBILITY..........10.
THURSDAY
SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.1 PERCENT.
MAX TEMPERATURE.....AROUND 69.
MIN HUMIDITY........58 PERCENT.
WIND (20 FT)........LIGHT WINDS.
RAINFALL AMOUNT.....0.00 INCHES.
VISIBILITY..........10.
FORECASTER...LINDEMAN
REQUESTED BY...JOHN FOLEY
TYPE OF REQUEST...WILDFIRE
.TAG 2522032.1/SEW
.DELDT 09/17/25
.FORMATTERVERSION 2.0.0
.EMAIL JCFOLEY@NPS.GOV
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