238  
FNUS76 KHNX 270056  
FWSHNX  
 
SPOT FORECAST FOR CASTLE BIOMASS...USFS  
NATIONAL WEATHER SERVICE HANFORD CA  
456 PM PST THU FEB 26 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 0700 PST ON FEBRUARY 27.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION  
 
WARM TEMPERATURES WITH DRY CONDITIONS WILL CONTINUE UNTIL  
SATURDAY, BUT OVERNIGHT HUMIDITY RECOVERY REMAINS GOOD THROUGH  
THE WEEKEND. WINDS WILL BE GENERALLY LIGHT AND DIURNAL WITH  
AFTERNOON BREEZES OVER THE NEARBY RIDGE TOPS. A SYSTEM WILL  
LOWER TEMPERATURES BEGINNING SUNDAY AND WILL BRING CHANCES OF  
PRECIPITATION SUNDAY NIGHT INTO MONDAY.  
   
FRIDAY  
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....59-63.  
MIN HUMIDITY........54-58 PERCENT.  
EYE LEVEL WINDS.....LIGHT AND VARIABLE.  
SURROUNDING RIDGE...WESTERLY 5-10 MPH. GUSTS TO 15 MPH IN THE  
AFTERNOON.  
MIXING HEIGHT.......RISING TO 3000 FT AGL.  
TRANSPORT WINDS.....WEST AROUND 5 MPH.  
   
FRIDAY NIGHT  
 
SKY/WEATHER.........MOSTLY CLOUDY.  
MIN TEMPERATURE.....45-49.  
MAX HUMIDITY........80-84 PERCENT.  
EYE LEVEL WINDS.....LIGHT AND VARIABLE.  
SURROUNDING RIDGE...EAST TO NORTHEAST 3-7 MPH.  
MIXING HEIGHT.......LOWERING TO 1000 FT AGL.  
TRANSPORT WINDS.....NORTHEAST AROUND 4 MPH.  
   
SATURDAY  
 
SKY/WEATHER.........PARTLY SUNNY THEN BECOMING SUNNY.  
MAX TEMPERATURE.....60-65.  
MIN HUMIDITY........45-50 PERCENT.  
EYE LEVEL WINDS.....LIGHT AND VARIABLE BECOMING UPSLOPE  
3-5 MPH BY THE AFTERNOON.  
SURROUNDING RIDGE...WEST TO SOUTHWEST 7-13 MPH. GUSTS  
TO 20 MPH IN THE AFTERNOON.  
MIXING HEIGHT.......RISING TO 4500 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH.  
 
 
FORECASTER...OCHS  
REQUESTED BY...HERIBERTO RODRIGUEZ  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2604179.0/HNX  
.DELDT 02/26/26  
.FORMATTERVERSION 2.0.0  
.EMAIL HERIBERTO.RODRIGUEZ@USDA.GOV  
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