128  
FNUS75 KGJT 181347  
FWSGJT  
 
SPOT FORECAST FOR SYLVAN LAKE RX...DFPC  
NATIONAL WEATHER SERVICE GRAND JUNCTION CO  
647 AM MST THU DEC 18 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 1000 MST ON DECEMBER 18.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION  
WIND GUSTS OF UP TO 20 MPH ARE EXPECTED TODAY, AND  
STRONGER GUSTS OF UP TO 25 MPH ARE EXPECTED TOMORROW. SMOKE  
DISPERSAL IS EXPECTED TO INCREASE TO GOOD AROUND 1100, AND  
DECREASE TO POOR AROUND 1700. TOMORROW SMOKE DISPERSAL SHOULD  
REACH VERY GOOD AROUND 1200, AND REMAIN VERY GOOD THROUGH 1500,  
AND DECREASE TO POOR AROUND 1700. CHANCES OF LIGHT SNOW SHOWERS  
INCREASES TOWARDS THE END OF THE FORECAST PERIOD.  
   
REST OF TODAY  
 
SKY/WEATHER.........PARTLY SUNNY (55-65 PERCENT).  
WIND (20 FT)........SOUTHWEST WINDS 10 MPH. GUSTS UP TO 20 MPH.  
SMOKE DISPERSAL.....INCREASING TO GOOD BY 1100.  
MIXING HEIGHT.......INCREASING TO 4300 FT AGL BY 1200.  
TRANSPORT WINDS.....WEST 19 MPH.  
   
TONIGHT  
 
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT) THEN BECOMING  
MOSTLY CLEAR (15-25 PERCENT).  
WIND (20 FT)........SOUTH WINDS 10 MPH. GUSTS UP TO 20 MPH.  
SMOKE DISPERSAL.....DECREASING TO POOR (25000-26000 KNOT-FT)  
BY 1700.  
MIXING HEIGHT.......DECREASING TO 2100 FT AGL BY 1800.  
TRANSPORT WINDS.....SOUTHWEST 16 MPH.  
   
FRIDAY  
 
SKY/WEATHER.........SUNNY (20-30 PERCENT). SLIGHT CHANCE OF SNOW  
SHOWERS IN THE AFTERNOON.  
WIND (20 FT)........SOUTHWEST WINDS 10 MPH INCREASING TO 15 MPH IN  
THE AFTERNOON. GUSTS UP TO 25 MPH.  
SMOKE DISPERSAL.....INCREASING TO GOOD BY 1100 AND THEN VERY GOOD  
BY 1200.  
MIXING HEIGHT.......INCREASING TO 4600 FT AGL BY 1400.  
TRANSPORT WINDS.....SOUTHWEST 27 MPH.  
 
 
FORECASTER...GILLIAN FELTON  
REQUESTED BY...RYAN MCCULLEY  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2527755.2/GJT  
.DELDT 12/18/25  
.FORMATTERVERSION 2.0.0  
.EMAIL RYAN.MCCULLEY@STATE.CO.US  
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