327  
FNUS76 KSEW 171036  
FWSSEW  
 
SPOT FORECAST FOR RED MOUNTAIN...US FOREST SERVICE  
NATIONAL WEATHER SERVICE SEATTLE WA  
336 AM PDT WED SEP 17 2025  
 
FORECAST IS BASED ON FORECAST START TIME OF 0800 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. 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 (0-5 PERCENT). AREAS OF SMOKE EARLY IN  
THE MORNING.  
CWR.................0 PERCENT.  
CHANCE OF LIGHTNING.1 PERCENT.  
MAX TEMPERATURE.....AROUND 71.  
MIN HUMIDITY........50 PERCENT.  
WIND (20 FT)........SOUTHEAST WINDS 7 TO 11 MPH WITH GUSTS TO 15 MPH  
IN THE MORNING, BECOMING NORTHWEST 5 TO 8 MPH IN  
THE AFTERNOON.  
MIXING HEIGHT.......3700 FT AGL.  
TRANSPORT WINDS.....SOUTH AROUND 15 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.0 PERCENT.  
MIN TEMPERATURE.....AROUND 48.  
MAX HUMIDITY........88 PERCENT.  
WIND (20 FT)........NORTHWEST WINDS AROUND 5 MPH.  
MIXING HEIGHT.......1400 FT AGL.  
TRANSPORT WINDS.....NORTH AROUND 6 MPH.  
RAINFALL AMOUNT.....0.00 INCHES.  
CEILING (KFT).......25.  
VISIBILITY..........10.  
   
THURSDAY  
 
SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT).  
CWR.................0 PERCENT.  
CHANCE OF LIGHTNING.0 PERCENT.  
MAX TEMPERATURE.....AROUND 64.  
MIN HUMIDITY........66 PERCENT.  
WIND (20 FT)........NORTHWEST 4 TO 7 MPH.  
MIXING HEIGHT.......2900 FT AGL.  
TRANSPORT WINDS.....NORTHWEST AROUND 7 MPH.  
RAINFALL AMOUNT.....0.00 INCHES.  
CEILING (KFT).......25.  
VISIBILITY..........10.  
 
 
FORECASTER...LINDEMAN  
REQUESTED BY...SEAN HARRIS  
TYPE OF REQUEST...WILDFIRE  
.TAG 2520980.16/SEW  
.DELDT 09/17/25  
.FORMATTERVERSION 2.0.0  
.EMAIL SEAN.HARRIS@USDA.GOV  
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