817  
FNUS76 KSEW 291226  
FWSSEW  
 
SPOT FORECAST FOR BORDER FIRE...USDA  
NATIONAL WEATHER SERVICE SEATTLE WA  
526 AM PDT WED JUL 29 2026  
 
FORECAST IS BASED ON FORECAST START TIME OF 0630 PDT ON JULY 29.  
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  
LIGHT WINDS AND A FEW CLOUDS THIS MORNING, WITH THE  
START OF A WARMING AND DRY TREND TODAY. LIGHT ONSHORE LOW-LEVEL  
FLOW SHOULD MAINTAIN GOOD HUMIDITY RECOVERY TONIGHT, BUT WARMER  
CONDITIONS THURSDAY. EXPECT THAT FRIDAY WILL BE THE WARMEST AND  
DRIEST DAY OF THE WEEK, BEFORE A WEAK DISTURBANCE SATURDAY BRINGS  
REINFORCING CLOUD COVER AND RAIN CHANCES.  
   
REST OF TODAY  
 
SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT).  
CWR.................0 PERCENT.  
CHANCE OF LIGHTNING.0 PERCENT.  
MAX TEMPERATURE.....AROUND 59.  
MIN HUMIDITY........30 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING WEST 5 TO 6 MPH IN THE  
AFTERNOON.  
MIXING HEIGHT.......3700 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST AROUND 6 MPH.  
RAINFALL AMOUNT.....0.00 INCHES.  
CEILING ............1500 FT THIS MORNING, INCREASING TO 20000 FT IN THE AFTERNOON.  
VISIBILITY..........10 MILES.  
   
TONIGHT  
 
SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT).  
CWR.................0 PERCENT.  
CHANCE OF LIGHTNING.0 PERCENT.  
MIN TEMPERATURE.....AROUND 42.  
MAX HUMIDITY........80 PERCENT.  
WIND (20 FT)........SOUTHWEST WINDS 5 TO 7 MPH IN THE EVENING  
BECOMING LIGHT.  
MIXING HEIGHT.......300 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST AROUND 5 MPH.  
RAINFALL AMOUNT.....0.00 INCHES.  
CEILING ............25000 FT.  
VISIBILITY..........10 MILES.  
   
THURSDAY  
 
SKY/WEATHER.........MOSTLY SUNNY (20-30 PERCENT).  
CWR.................0 PERCENT.  
CHANCE OF LIGHTNING.0 PERCENT.  
MAX TEMPERATURE.....AROUND 60.  
MIN HUMIDITY........25 PERCENT.  
WIND (20 FT)........SOUTHWEST WINDS 5 TO 8 MPH.  
MIXING HEIGHT.......4400 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST AROUND 8 MPH.  
RAINFALL AMOUNT.....0.00 INCHES.  
CEILING ............25000 FT.  
VISIBILITY..........10 MILES..  
 
 
FORECASTER...CULLEN  
REQUESTED BY...FIREFIGHTER LUECK  
TYPE OF REQUEST...WILDFIRE  
.TAG 2617748.10/SEW  
.DELDT 07/29/26  
.FORMATTERVERSION 2.0.0  
.EMAIL BRIAN_GOLD@NPS.GOV,SETHLUECK307@GMAIL.COM,BRIAN.RICHERSON@USDA.GOV  
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