576  
FNUS76 KHNX 191030  
FWSHNX  
 
SPOT FORECAST FOR KOKANEE DISPOSAL SITE...USFS  
NATIONAL WEATHER SERVICE HANFORD CA  
230 AM PST WED NOV 19 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 0700 PST ON NOVEMBER 19.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
 
CLOUDY CONDITIONS ARE EXPECTED ACROSS THE SIERRA NEVADA. BRIEF  
CLEARING WILL OCCUR TONIGHT AHEAD OF ANOTHER STORM EXPECT TO HIT THE  
REGION OVERNIGHT AND THROUGH FRIDAY. TEMPERATURES EXPECTED TO REMAIN  
BELOW NORMAL WITH GOOD HUMIDITY RECOVERY. WINDS WILL REMAIN LIGHT  
AND DIURNALLY DRIVEN DURING THE PERIOD.  
 
   
REST OF TODAY
 
 
SKY/WEATHER.........PARTLY SUNNY (60-70 PERCENT).  
MAX TEMPERATURE.....36-38.  
MIN HUMIDITY........75-80 PERCENT.  
EYE LEVEL WINDS.....LIGHT WINDS 1-3 MPH, BECOMING SOUTHWEST 3-6 MPH  
IN THE AFTERNOON.  
SURROUNDING RIDGE...WEST TO NORTHWEST 5-9 MPH WITH GUSTS TO 14 MPH.  
MIXING HEIGHT.......RISING TO AROUND 2200 FT AGL.  
TRANSPORT WINDS.....NORTHWEST AROUND 7 MPH.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT) THEN BECOMING  
MOSTLY CLOUDY (75-85 PERCENT). CHANCE OF SNOW  
OVERNIGHT.  
MIN TEMPERATURE.....19-21.  
MAX HUMIDITY........100 PERCENT.  
EYE LEVEL WINDS.....WEST TO NORTHWEST 4-8 MPH.  
SURROUNDING RIDGE...NORTHWEST TO NORTH 6-11 MPH WITH GUSTS TO 16 MPH.  
MIXING HEIGHT.......LOWERING TO AROUND 800 FT AGL.  
TRANSPORT WINDS.....NORTHWEST AROUND 6 MPH.  
   
THURSDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT). SNOW LIKELY.  
MAX TEMPERATURE.....31-33.  
MIN HUMIDITY........89-92 PERCENT.  
EYE LEVEL WINDS.....SOUTHWEST TO WEST 5-9 MPH WITH GUSTS TO 12 MPH.  
SURROUNDING RIDGE...NORTHWEST TO NORTH 8-14 MPH WITH GUSTS TO 18 MPH.  
MIXING HEIGHT.......RISING TO AROUND 1900 FT AGL.  
TRANSPORT WINDS.....NORTH AROUND 11 MPH.  
 
FORECASTER...MOLINA  
 

 
 
REQUESTED BY...ALEXIS CASTRO  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2526362.0/HNX  
.DELDT 11/19/25  
.FORMATTERVERSION 2.0.0  
.EMAIL ALEXIS.CASTRO@USDA.GOV,CLINTON.WADE@USDA.GOV  
 
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