447  
FNUS75 KGJT 141937  
FWSGJT  
 
SPOT FORECAST FOR GMUG NZ PILES...USDA  
NATIONAL WEATHER SERVICE GRAND JUNCTION CO  
1237 PM MST SUN DEC 14 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 1400 MST ON DECEMBER 14.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION  
FAIR AND DRY WEATHER THROUGH THE PERIOD WITH LIGHT  
TERRAIN DRIVEN WINDS, UP-VALLEY IN THE AFTERNOON AND DOWN-VALLEY  
OVERNIGHT. TEMPERATURES CONTINUE ABOUT 15 DEGREES ABOVE NORMAL  
FOR MID DECEMBER. LIGHT WINDS AND A WEAK SUBSIDENCE INVERSION IS  
LIMITING MIXING AND KEEPING SMOKE DISPERSAL POOR. WEDNESDAY LOOKS  
TO BE THE FIRST IMPROVEMENT IN MIXING WITH A PASSING DISTURBANCE.  
   
TONIGHT  
 
SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT).  
MIN TEMPERATURE.....19-24.  
WIND (20 FT)........SOUTHWEST WINDS 5 MPH.  
SMOKE DISPERSAL.....POOR (0 KNOT-FT).  
MIXING HEIGHT.......0 FT AGL.  
TRANSPORT WINDS.....SOUTH 5 MPH.  
   
MONDAY  
 
SKY/WEATHER.........SUNNY (15-25 PERCENT).  
MAX TEMPERATURE.....34-39.  
WIND (20 FT)........SOUTHWEST WINDS 5 MPH SHIFTING TO THE NORTHWEST  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (0 KNOT-FT).  
MIXING HEIGHT.......0 FT AGL.  
TRANSPORT WINDS.....SOUTH 5 MPH SHIFTING TO THE NORTHWEST IN THE  
AFTERNOON.  
 
 
FORECASTER...DAVID BYERS  
REQUESTED BY...SARAH WESTENDORF  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2527518.0/GJT  
.DELDT 12/14/25  
.FORMATTERVERSION 2.0.0  
.EMAIL SARAH.WESTENDORF@USDA.GOV  
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