071  
FNUS75 KSLC 081119  
FWSSLC  
 
SPOT FORECAST FOR NORTH ZONE TIMBER PILES...USFS  
NATIONAL WEATHER SERVICE SALT LAKE CITY UT  
419 AM MST MON DEC 8 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 0600 MST ON DECEMBER 08.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
DRY NORTHWEST FLOW WILL REMAIN IN PLACE ACROSS THE  
AREA FOR THE NEXT SEVERAL DAYS. THIS FLOW, HOWEVER, IS FAIRLY  
WEAK. COMBINE THAT WITH POOR MIXING AND VENTILATION WILL REMAIN  
POOR AS WELL OVER THE NEXT FEW DAYS. SURFACE WINDS WILL GENERALLY  
BE LIGHT AND TERRAIN DRIVEN. TEMPERATURES WILL GRADUALLY WARM AS  
HIGH PRESSURE SLOWLY BUILDS ACROSS THE WESTERN CONUS.  
PRECIPITATION LOOKS UNLIKELY FOR THIS AREA OVER THE NEXT 7 DAYS.  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (5-15 PERCENT CLOUD COVER).  
CWR.................0 PERCENT.  
CHANCE OF PCPN......0 PERCENT.  
CHANCE OF LIGHTNING.0 PERCENT.  
MAX TEMPERATURE.....37-39.  
MIN HUMIDITY........56-58 PERCENT.  
WIND (20 FT)........NORTHWEST WINDS 5-10 MPH.  
MIXING HEIGHT.......2400 FT AGL.  
CLIMATOLOGY......20-30TH PERCENTILE.  
TRANSPORT WINDS.....NORTHWEST 9 TO 15 MPH.  
CLEARING INDEX......270.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (15-25 PERCENT CLOUD COVER).  
CWR.................0 PERCENT.  
CHANCE OF PCPN......0 PERCENT.  
CHANCE OF LIGHTNING.0 PERCENT.  
MIN TEMPERATURE.....26-28.  
MAX HUMIDITY........57-59 PERCENT.  
WIND (20 FT)........NORTHWEST WINDS 5-7 MPH BECOMING SOUTHEAST  
LATE IN THE EVENING.  
MIXING HEIGHT.......400 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 7 TO 8 MPH.  
   
TUESDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (15-25 PERCENT CLOUD COVER).  
CWR.................0 PERCENT.  
CHANCE OF PCPN......0 PERCENT.  
CHANCE OF LIGHTNING.0 PERCENT.  
MAX TEMPERATURE.....42-44.  
MIN HUMIDITY........47-49 PERCENT.  
WIND (20 FT)........SOUTHEAST WINDS 5-7 MPH BECOMING NORTHWEST  
6-13 MPH EARLY IN THE MORNING.  
MIXING HEIGHT.......1600 FT AGL.  
CLIMATOLOGY......20-30TH PERCENTILE.  
TRANSPORT WINDS.....WEST 10 TO 15 MPH.  
CLEARING INDEX......180.  
 

 
FORECASTER...MAHAN  
REQUESTED BY...KYLER HATCH  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2527112.2/SLC  
.DELDT 12/08/25  
.FORMATTERVERSION 2.0.0  
.EMAIL KYLER.HATCH@USDA.GOV  
 
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