092  
FNUS76 KOTX 080021  
FWSOTX  
 
SPOT FORECAST FOR CASTLE ROCK FIRE...WASHINGTON DEPARTMENT OF NATURAL RESOURCES  
NATIONAL WEATHER SERVICE SPOKANE WA  
521 PM PDT THU AUG 7 2025  
 
FORECAST IS BASED ON FORECAST START TIME OF 0600 PDT ON AUGUST 08.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION  
 
FRIDAY AND SATURDAY WILL BRING WARMER AND DRIER WEATHER AS LOW PRESSURE  
MOVES OUT OF THE AREA AND HIGH PRESSURE SLOWLY BUILDS IN. WINDS WILL ALSO  
BE LIGHTER AND TERRAIN DRIVEN. ADDITIONAL WARMING AND DRYING WILL OCCUR  
ON SUNDAY AND MONDAY AS HIGH TEMPERATURES CLIMB INTO THE LOW 90S.  
   
FRIDAY  
 
SKY/WEATHER.........MOSTLY SUNNY IN THE MORNING THEN PARTLY CLOUDY.  
CWR.................0 PERCENT.  
CHANCE OF LIGHTNING.0 PERCENT.  
MAX TEMPERATURE.....AROUND 81.  
MIN HUMIDITY........28 PERCENT.  
WIND (20 FT)........SOUTHEAST 1 TO 4 MPH THROUGH 0900, THEN BECOMING  
NORTHWEST 3 TO 8 MPH.  
MIXING HEIGHT.......NEAR THE SURFACE THROUGH 0800, THEN INCREASING  
TO 8000 FT AGL IN THE AFTERNOON.  
TRANSPORT WINDS.....VARIABLE LESS THAN 5 MPH THROUGH 0900 THEN  
NORTHWEST 5 TO 10 MPH.  
   
FRIDAY NIGHT  
 
SKY/WEATHER.........MOSTLY CLOUDY.  
CWR.................0 PERCENT.  
CHANCE OF LIGHTNING.0 PERCENT.  
MIN TEMPERATURE.....AROUND 47.  
MAX HUMIDITY........82 PERCENT.  
WIND (20 FT)........NORTHWEST 3 TO 6 MPH THROUGH 2100 THEN LIGHT  
AND VARIABLE 1 TO 3 MPH.  
MIXING HEIGHT.......7000 FT AGL FALLING TO NEAR SURFACE BY 2100.  
TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH THROUGH 2000 THEN  
DECREASING TO LESS THAN 5 MPH.  
   
SATURDAY  
 
SKY/WEATHER.........MOSTLY SUNNY.  
CWR.................0 PERCENT.  
CHANCE OF LIGHTNING.0 PERCENT.  
MAX TEMPERATURE.....AROUND 85.  
MIN HUMIDITY........23 PERCENT.  
WIND (20 FT)........VARIABLE 1 TO 3 MPH THROUGH 0900, THEN NORTHWEST  
3 TO 6 MPH.  
MIXING HEIGHT.......NEAR THE SURFACE THROUGH 0830, THEN INCREASING TO  
8000 FT AGL IN THE AFTERNOON.  
TRANSPORT WINDS.....NORTHWEST 2 TO 5 MPH IN THE MORNING INCREASING TO  
5 TO 10 MPH IN THE AFTERNOON.  
 
 
FORECASTER...JW  
REQUESTED BY...ERIC KRAUSZ  
TYPE OF REQUEST...WILDFIRE  
.TAG 2519523.0/OTX  
.DELDT 08/07/25  
.FORMATTERVERSION 2.0.0  
.EMAIL ERIC_KRAUSZ@FIRENET.GOV  
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