786
FNUS76 KSEW 171133
FWSSEW
SPOT FORECAST FOR TUNNEL CREEK FIRE...USFS
NATIONAL WEATHER SERVICE SEATTLE WA
433 AM PDT WED SEP 17 2025
FORECAST IS BASED ON FORECAST START TIME OF 0730 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
ONSHORE FLOW WILL INCREASE OVER THE NEXT FEW DAYS,
BRINGING IN COOLER AND MORE MOIST CONDITIONS TO THE BURN SITE WITH
GOOD OVERNIGHT RH RECOVERIES. SMOKE FROM THE BEAR GULCH FIRE MAY
REDUCE VISIBILITIES AT THE BURN SITE AT TIMES. THE NEXT CHANCE FOR
WETTING RAINS WILL ARRIVE ON SATURDAY.
REST OF TODAY
SKY/WEATHER.........SUNNY (0-10 PERCENT). PATCHY MORNING FOG. AREAS OF
SMOKE.
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.1 PERCENT.
MAX TEMPERATURE.....AROUND 63.
MIN HUMIDITY........59 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 6 TO 10 MPH IN THE MORNING, BECOMING
SOUTHEAST 4 TO 7 MPH IN THE AFTERNOON.
MIXING HEIGHT.......1900 FT AGL.
TRANSPORT WINDS.....SOUTH AROUND 10 MPH.
RAINFALL AMOUNT.....0.00 INCHES.
CEILING (KFT).......25.
VISIBILITY..........1-3 INCREASING TO 10 BY LATE MORNING.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT). AREAS OF SMOKE
THROUGH THE NIGHT.
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MIN TEMPERATURE.....AROUND 47.
MAX HUMIDITY........81 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 3 TO 5 MPH.
MIXING HEIGHT.......300 FT AGL.
TRANSPORT WINDS.....NORTHWEST AROUND 5 MPH.
RAINFALL AMOUNT.....0.00 INCHES.
CEILING (KFT).......25.
VISIBILITY..........10.
THURSDAY
SKY/WEATHER.........SUNNY (15-25 PERCENT).
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....AROUND 60.
MIN HUMIDITY........57 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING NORTHEAST AROUND 5 MPH IN
THE AFTERNOON.
MIXING HEIGHT.......2100 FT AGL.
TRANSPORT WINDS.....NORTH AROUND 7 MPH.
RAINFALL AMOUNT.....0.00 INCHES.
CEILING (KFT).......25.
VISIBILITY..........10.
FORECASTER...LINDEMAN
REQUESTED BY...INCIDENT COMMANDER
TYPE OF REQUEST...WILDFIRE
.TAG 2521506.10/SEW
.DELDT 09/17/25
.FORMATTERVERSION 2.0.0
.EMAIL REED.SNOW@USDA.GOV,BENJAMIN.DEAN@USDA.GOV
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