796
FNUS76 KSEW 270204
FWSSEW
SPOT FORECAST FOR IRON MOUNTIAN...DNR
NATIONAL WEATHER SERVICE SEATTLE WA
704 PM PDT WED AUG 26 2026
FORECAST IS BASED ON FORECAST START TIME OF 1900 PDT ON AUGUST 27.
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
AN APPROACHING UPPER LEVEL LOW WILL IMPACT THE FIRE
SITE THURSDAY. THIS WILL BRING SHOWERS TO THE AREA WITH A SLIM
CHANCE OF ISOLATED THUNDERSTORMS. BEST CHANCES FOR RAINFALL ARE
BETWEEN 1200 AND 1800 BEFORE ACTIVITY TAPERS OFF THURSDAY NIGHT. A
SECONDARY SYSTEM FOLLOWS DIRECTLY ON FRIDAY, ALTHOUGH THE BEST
CHANCE FOR SHOWERS WILL BE GENERALLY NORTH OF THE INCIDENT. NONE
OF THE SHOWERS ON EITHER DAY ARE EXPECTED TO BE A WETTING RAIN.
THURSDAY
SKY/WEATHER.........CLOUDY (85-95 PERCENT) THEN BECOMING PARTLY
SUNNY (45-55 PERCENT). SLIGHT CHANCE OF RAIN
SHOWERS IN THE MORNING, THEN RAIN SHOWERS
LIKELY IN THE AFTERNOON.
CWR.................4 PERCENT.
CHANCE OF LIGHTNING.14 PERCENT.
MAX TEMPERATURE.....AROUND 57.
MIN HUMIDITY........76 PERCENT.
WIND (20 FT)........SOUTH WINDS 5 TO 7 MPH.
MIXING HEIGHT.......3300 FT AGL.
TRANSPORT WINDS.....SOUTH AROUND 10 MPH.
RAINFALL AMOUNT.....0.03 INCHES.
CEILING (KFT).......3.5 INCREASING TO 4.5 IN THE AFTERNOON.
VISIBILITY..........10.
THURSDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT). RAIN SHOWERS
LIKELY IN THE EVENING, THEN CHANCE OF RAIN
SHOWERS OVERNIGHT.
CWR.................18 PERCENT.
CHANCE OF LIGHTNING.8 PERCENT.
MIN TEMPERATURE.....AROUND 51.
MAX HUMIDITY........99 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS AROUND 5 MPH.
MIXING HEIGHT.......400 FT AGL.
TRANSPORT WINDS.....SOUTHWEST AROUND 5 MPH.
RAINFALL AMOUNT.....0.07 INCHES.
CEILING (KFT).......5.8 DECREASING TO 2 OVERNIGHT.
VISIBILITY..........10.
FRIDAY
SKY/WEATHER.........PARTLY SUNNY (60-70 PERCENT). CHANCE OF RAIN
SHOWERS.
CWR.................9 PERCENT.
CHANCE OF LIGHTNING.9 PERCENT.
MAX TEMPERATURE.....AROUND 54.
MIN HUMIDITY........76 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING WEST AROUND 5 MPH IN THE
AFTERNOON.
MIXING HEIGHT.......2300 FT AGL.
TRANSPORT WINDS.....WEST AROUND 6 MPH.
RAINFALL AMOUNT.....0.02 INCHES.
CEILING (KFT).......2.5 INCREASING TO 4.7 IN THE AFTERNOON.
VISIBILITY..........10.
FORECASTER...REEDY
REQUESTED BY...ALLISON GLENN
TYPE OF REQUEST...WILDFIRE
.TAG 2620661.0/SEW
.DELDT 08/26/26
.FORMATTERVERSION 2.0.0
.EMAIL DNRNWDISPATCHERS@DNR.WA.GOV,ALLISON.GLENN@DNR.WA.GOV
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