181
FNUS76 KSEW 252144
FWSSEW
SPOT FORECAST FOR BACKBONE FIRE...IIMT-AUS/NZ IMT #3
NATIONAL WEATHER SERVICE SEATTLE WA
244 PM PDT TUE AUG 25 2026
FORECAST IS BASED ON FORECAST START TIME OF 0600 PDT ON AUGUST 26.
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
INCREASING ONSHORE FLOW ASSOCIATED WITH AN UPPER
LEVEL TROUGH WILL BRING COOLER TEMPERATURES AND HIGHER RELATIVE
HUMIDITY.
WEDNESDAY
SKY/WEATHER.........SUNNY (10-20 PERCENT). PATCHY SMOKE ALOFT.
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.5 PERCENT.
MAX TEMPERATURE.....AROUND 83.
MIN HUMIDITY........40 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHWEST 7 TO 10 MPH
IN THE AFTERNOON.
MIXING HEIGHT.......3800 FT AGL.
TRANSPORT WINDS.....SOUTHWEST AROUND 12 MPH.
RAINFALL AMOUNT.....0.00 INCHES.
CEILING (KFT).......25.
VISIBILITY..........10.
WEDNESDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.3 PERCENT.
MIN TEMPERATURE.....AROUND 56.
MAX HUMIDITY........89 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 10 TO 12 MPH IN THE
EVENING BECOMING LIGHT OVERNIGHT.
MIXING HEIGHT.......400 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 10 TO 12 MPH.
RAINFALL AMOUNT.....0.00 INCHES.
CEILING (KFT).......25.
VISIBILITY..........10.
THURSDAY
SKY/WEATHER.........PARTLY SUNNY (55-65 PERCENT) THEN BECOMING
SUNNY (15-25 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.1 PERCENT.
MAX TEMPERATURE.....AROUND 71.
MIN HUMIDITY........58 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING WEST 5 TO 8 MPH.
MIXING HEIGHT.......3800 FT AGL.
TRANSPORT WINDS.....WEST AROUND 10 MPH.
RAINFALL AMOUNT.....0.00 INCHES.
CEILING (KFT).......6 IN THE MORNING BECOMING 25 IN THE
AFTERNOON.
VISIBILITY..........6 IN THE MORNING BECOMING 10 IN THE
AFTERNOON.
FORECASTER...GONZALEZ-FUENTES
REQUESTED BY...SITUATION UNIT LEADER
TYPE OF REQUEST...WILDFIRE
.TAG 2619416.17/SEW
.DELDT 08/25/26
.FORMATTERVERSION 2.0.0
.EMAIL JORDAN_JOBSON@FIRENET.GOV
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