009  
FNUS76 KOTX 062059  
FWSOTX  
 
SPOT FORECAST FOR CASTLE ROCK FIRE...WASHINGTON DEPARTMENT OF NATURAL RESOURCES  
NATIONAL WEATHER SERVICE SPOKANE WA  
159 PM PDT WED AUG 6 2025  
 
FORECAST IS BASED ON FORECAST START TIME OF 0600 PDT ON AUGUST 07.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
 
THURSDAY WITH GOOD SHOWER AND ISOLATED THUNDERSTORM POTENTIAL. THE BEST  
THUNDERSTORM CHANCES NEAR CASTLE ROCK WILL BE FROM LATE MORNING TO THE  
MIDDLE OF THE AFTERNOON. SURROUNDING HIGHER TERRAIN WILL BE THE MAIN  
FOCAL POINT FOR THUNDERSTORMS INTO LATE AFTERNOON. AT THIS TIME SEVERE  
THUNDERSTORMS ARE NOT EXPECTED. WATCH FOR THUNDERSTORM CLOUD BUILD UP  
AND TAKE APPROPRIATE COVER IF LIGHTNING IS SEEN OR THUNDER HEARD. WARMING  
AND DRYING STARTS FRIDAY.  
   
THURSDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY. RAIN SHOWERS LIKELY AND CHANCE  
OF THUNDERSTORMS. SURROUNDING HIGHER TERRAIN WILL BE  
A FOCUS OF SHOWERS AND THUNDERSTORMS FROM LATE MORNING  
INTO THE AFTERNOON.  
CWR.................55 PERCENT.  
CHANCE OF LIGHTNING.45 PERCENT.  
MAX TEMPERATURE.....AROUND 69.  
MIN HUMIDITY........43 PERCENT.  
WIND (20 FT)........LIGHT WINDS. GUSTY AND ERRATIC WINDS EXPECTED  
NEAR THUNDERSTORMS. WIND GUSTS TO 25-35 MPH NEAR  
THUNDERSTORMS. GENERAL WINDS TRENDING WESTERLY  
MIDDLE TO LATE AFTERNOON AT 5 MPH.  
MIXING HEIGHT.......3500 FT AGL INCREASING TO 5500 FT AGL IN THE  
AFTERNOON.  
TRANSPORT WINDS.....LIGHT WINDS BECOMING NORTHWEST AROUND 6 MPH IN  
THE AFTERNOON.  
   
THURSDAY NIGHT
 
 
SKY/WEATHER.........BECOMING PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS EARLY IN THE EVENING.  
CWR.................5 PERCENT.  
CHANCE OF LIGHTNING.15 PERCENT.  
MIN TEMPERATURE.....AROUND 42.  
MAX HUMIDITY........100 PERCENT.  
WIND (20 FT)........WEST 3 TO 6 MPH. GUSTY AND ERRATIC WINDS EXPECTED  
NEAR THUNDERSTORMS IN THE EVENING. WIND GUSTS TO 25 MPH  
NEAR THUNDERSTORMS.  
MIXING HEIGHT.......3000 FT AGL FALLING TO 0 FT AGL.  
TRANSPORT WINDS.....WEST AROUND 6 MPH.  
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
CWR.................0 PERCENT.  
CHANCE OF LIGHTNING.0 PERCENT.  
MAX TEMPERATURE.....AROUND 80.  
MIN HUMIDITY........28 PERCENT.  
WIND (20 FT)........LIGHT WINDS.  
MIXING HEIGHT.......5500 FT AGL INCREASING TO 10000 FT AGL IN THE  
AFTERNOON.  
TRANSPORT WINDS.....NORTHWEST 6 TO 12 MPH.  
 

 
FORECASTER...TC  
REQUESTED BY...ERIC KRAUSZ  
TYPE OF REQUEST...WILDFIRE  
.TAG 2519428.0/OTX  
.DELDT 08/06/25  
.FORMATTERVERSION 2.0.0  
.EMAIL ERIC_KRAUSZ@FIRENET.GOV,AANNA_KULAAS@FIRENET.GOV  
 
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