478  
FNUS75 KFGZ 131008  
FWSFGZ  
 
SPOT FORECAST FOR HAPPY JACK ADMIN PILE...USFS  
NATIONAL WEATHER SERVICE FLAGSTAFF AZ  
308 AM MST SAT DEC 13 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 0700 MST ON DECEMBER 13.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE  
NATIONAL WEATHER SERVICE IN FLAGSTAFF, AZ.  
   
DISCUSSION  
 
*MILD AND DRY CONDITIONS CONTINUE THROUGH THE WEEKEND WITH  
MAINLY LIGHT EASTERLY WINDS.  
 
*THESE CONDITIONS LOOK TO PERSIST INTO NEXT WEEK WITH A  
RETURN OF SOUTHWEST WINDS BY WEDNESDAY.  
   
TODAY  
 
SKY/WEATHER.........SUNNY.  
CHANCE OF PCPN......0 PERCENT.  
MAX TEMPERATURE.....55-60.  
MIN HUMIDITY........16-21 PERCENT.  
WIND (20 FT)........NORTHWEST WINDS 2-5 MPH, BECOMING EAST-NORTHEAST  
BY 1400 MST.  
MAX VENT RATE.......MARGINAL.  
CLEARING INDEX......181.  
MIXING HEIGHT.......4200 FT AGL BY THE AFTERNOON.  
TRANSPORT WINDS.....NORTHWEST 2 TO 5 MPH, SHIFTING TO THE  
NORTHEAST BY 1400 MST.  
   
TONIGHT  
 
SKY/WEATHER.........MOSTLY CLEAR.  
CHANCE OF PCPN......0 PERCENT.  
MIN TEMPERATURE.....28-33.  
MAX HUMIDITY........50-55 PERCENT.  
WIND (20 FT)........EAST WINDS 3-6 MPH.  
MIN VENT RATE.......POOR.  
CLEARING INDEX......2.  
MIXING HEIGHT.......20-50 FT AGL.  
TRANSPORT WINDS.....EAST AROUND 5 MPH.  
   
SUNDAY  
 
SKY/WEATHER.........INCREASING CLOUD COVER THROUGHOUT THE DAY.  
CHANCE OF PCPN......0 PERCENT.  
MAX TEMPERATURE.....51-56.  
MIN HUMIDITY........18-22 PERCENT.  
WIND (20 FT)........EAST-SOUTHEAST WINDS 3-6 MPH IN THE MORNING,  
BECOMING SOUTH BY NOON.  
MAX VENT RATE.......FAIR.  
CLEARING INDEX......334.  
MIXING HEIGHT.......4400 FT AGL BY THE AFTERNOON.  
TRANSPORT WINDS.....EAST AROUND 5 MPH SHIFTING TO THE SOUTH IN  
THE AFTERNOON.  
 
A WEATHER FORECAST TABLE FOR YOUR SPOT LOCATION IS LINKED.  
THE INFORMATION PROVIDED BY THIS SITE IS FOR PLANNING PURPOSES ONLY  
AND IS NOT INTENDED TO SUBSTITUTE INFORMATION PROVIDED BY AN OFFICIAL  
NATIONAL WEATHER SERVICE SPOT FORECAST.  
HTTPS://WWW.WEATHER.GOV/DLH/FWD?LAT=34.7413&LON=-111.4175&CLAT=34.7413&CLON=-111.4175  
 
 
FORECASTER...LAGUARDIA  
REQUESTED BY...JOSHUA OCOY  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2527381.2/FGZ  
.DELDT 12/13/25  
.FORMATTERVERSION 2.0.0  
.EMAIL KURT.MATTOCKS@USDA.GOV,CORY.BALL@USDA.GOV,JOSHUA.OCOY@USDA.GOV  
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