172  
FNUS76 KHNX 300107  
FWSHNX  
 
SPOT FORECAST FOR DOME FIRE DIV Z...USWFS  
NATIONAL WEATHER SERVICE HANFORD CA  
607 PM PDT TUE SEP 29 2026  
 
FORECAST IS BASED ON FORECAST START TIME OF 0000 PDT ON SEPTEMBER 30.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
 
DRY CONDITIONS WITH RHS AROUND 20-30% ARE EXPECTED AROUND THE  
FIRE AREA THROUGH THE FORECAST PERIOD AS WELL AS INTO THE WEEKEND  
AS THE RIDGE ALOFT STRENGTHENS. WINDS WILL BE MAINLY DIURNAL WITH  
SLIGHTLY STRONGER SPEEDS IN THE AFTERNOON AND EVENING COMPARED TO  
THE OVERNIGHT HOURS. MIXING HEIGHTS ARE EXPECTED TO JUMP FROM  
AROUND 3100 FEET ON WEDNESDAY TO AROUND 6800 FEET ON THURSDAY AS  
THE RIDGE MOVES FURTHER TO THE EAST, ALSO CAUSING TEMPERATURES TO  
RISE.  
 
   
REST OF TONIGHT
 
 
SKY/WEATHER.........CLEAR.  
MIN TEMPERATURE.....50-52.  
MAX HUMIDITY........22-26 PERCENT.  
EYE LEVEL WINDS.....EAST WINDS UP TO 7 MPH.  
SURROUNDING RIDGE...EAST WINDS 5 TO 12 MPH.  
MIXING HEIGHT.......LOWERING TO AROUND 400 FT AGL.  
TRANSPORT WINDS.....NORTHEAST AROUND 8 MPH.  
WIND (20 FT)........EAST WINDS 5 TO 12 MPH.  
   
WEDNESDAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....65-66.  
MIN HUMIDITY........20-24 PERCENT.  
EYE LEVEL WINDS.....EAST WINDS UP TO 7 MPH SHIFTING TO THE WEST UP  
TO 4 MPH IN THE AFTERNOON.  
SURROUNDING RIDGE...EAST WINDS 5 TO 12 MPH SHIFTING TO THE WEST 5  
TO 7 MPH IN THE AFTERNOON.  
MIXING HEIGHT.......RISING TO AROUND 3100 FT AGL.  
TRANSPORT WINDS.....NORTHWEST AROUND 7 MPH.  
WIND (20 FT)........EAST WINDS 5 TO 12 MPH SHIFTING TO THE WEST 5  
TO 7 MPH IN THE AFTERNOON.  
   
WEDNESDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....54-55.  
MAX HUMIDITY........31-35 PERCENT.  
EYE LEVEL WINDS.....NORTHEAST WINDS UP TO 7 MPH SHIFTING TO THE  
EAST UP TO 4 MPH OVERNIGHT.  
SURROUNDING RIDGE...NORTHEAST WINDS 5 TO 12 MPH SHIFTING TO THE  
EAST 5 TO 7 MPH OVERNIGHT.  
MIXING HEIGHT.......LOWERING TO AROUND 300 FT AGL.  
TRANSPORT WINDS.....EAST AROUND 10 MPH.  
WIND (20 FT)........NORTHEAST WINDS 5 TO 12 MPH SHIFTING TO THE  
EAST 5 TO 7 MPH OVERNIGHT.  
   
THURSDAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....68-69.  
MIN HUMIDITY........21-25 PERCENT.  
EYE LEVEL WINDS.....EAST WINDS UP TO 5 MPH SHIFTING TO THE  
SOUTHWEST UP TO 4 MPH IN THE AFTERNOON.  
SURROUNDING RIDGE...EAST WINDS 5 TO 9 MPH SHIFTING TO THE SOUTHWEST  
5 TO 7 MPH IN THE AFTERNOON.  
MIXING HEIGHT.......RISING TO AROUND 6800 FT AGL.  
TRANSPORT WINDS.....SOUTH AROUND 7 MPH.  
WIND (20 FT)........EAST WINDS 5 TO 9 MPH SHIFTING TO THE SOUTHWEST  
5 TO 7 MPH IN THE AFTERNOON.  
 

 
FORECASTER...WILSON  
REQUESTED BY...WILDLAND FIREFIGHER  
TYPE OF REQUEST...WILDFIRE  
.TAG 2622802.0/HNX  
.DELDT 09/29/26  
.FORMATTERVERSION 2.0.0  
.EMAIL ALEXWCONRAD@GMAIL.COM  
 
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