810  
FNUS75 KSLC 091206  
FWSSLC  
 
SPOT FORECAST FOR FRANCE CANYON...FOREST SERVICE  
NATIONAL WEATHER SERVICE SALT LAKE CITY UT  
606 AM MDT WED JUL 9 2025  
 
FORECAST IS BASED ON FORECAST START TIME OF 0700 MDT ON JULY 09.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 9 PM MDT THIS  
EVENING...  
   
DISCUSSION  
GENERALLY DRY AND UNSEASONABLY WARM CONDITIONS WILL  
CONTINUE TODAY UNDER THE INFLUENCE OF HIGH PRESSURE. HOWEVER, THE  
APPROACH OF A WEAKENING PACIFIC STORM SYSTEM WILL BRING A MODEST  
INCREASE IN WINDS THIS AFTERNOON AND SOME INCREASE IN MID-LEVEL  
MOISTURE. THIS WILL RESULT IN A VERY LOW CHANCE (5-10 PERCENT) OF  
HIGH BASED THUNDERSTORMS IMPACTING THE FIRE DURING THE LATE  
AFTERNOON AND EARLY EVENING. SUCH STORMS WOULD BRING THE POTENTIAL  
FOR GUSTY AND ERRATIC WINDS AS WELL AS ISOLATED DRY LIGHTNING.  
THE STORM SYSTEM WILL CROSS NORTHERN UTAH TONIGHT INTO EARLY  
THURSDAY. IT WILL BE ACCOMPANIED BY LITTLE IN THE WAY OF  
PRECIPITATION, BUT WILL BRING SLIGHTLY COOLER TEMPERATURES FOR  
THURSDAY AND SHIFT THE PREVAILING WINDS TO THE WEST OR NORTHWEST.  
HIGH PRESSURE WILL REBUILD BY THE WEEKEND.  
 
   
REST OF TODAY  
 
SKY/WEATHER.........MOSTLY SUNNY (20-30 PERCENT CLOUD COVER) THEN  
BECOMING PARTLY CLOUDY (30-40 PERCENT CLOUD  
COVER).  
CWR.................0 PERCENT.  
CHANCE OF PCPN......10 PERCENT.  
CHANCE OF LIGHTNING.9 PERCENT.  
MAX TEMPERATURE.....78-82.  
MIN HUMIDITY........16-20 PERCENT.  
WIND (20 FT)........UPSLOPE/UPVALLEY WINDS UP TO 5 MPH BECOMING SOUTHWEST  
8-12 MPH IN THE LATE MORNING AND AFTERNOON.  
MIXING HEIGHT.......11300 FT AGL.  
CLIMATOLOGY......80-90TH PERCENTILE.  
TRANSPORT WINDS.....SOUTHWEST WINDS 15-25 MPH.  
   
TONIGHT  
 
SKY/WEATHER.........MOSTLY CLEAR (5-15 PERCENT CLOUD COVER).  
CWR.................0 PERCENT.  
CHANCE OF PCPN......10 PERCENT.  
CHANCE OF LIGHTNING.7 PERCENT.  
MIN TEMPERATURE.....58-62.  
MAX HUMIDITY........28-32 PERCENT.  
WIND (20 FT)........WEST TO SOUTHWEST WINDS 8-12 MPH.  
MIXING HEIGHT.......10200 FT AGL DECREASING TO 100 FT AGL  
OVERNIGHT.  
TRANSPORT WINDS.....WEST WINDS 15-25 MPH.  
   
THURSDAY  
 
SKY/WEATHER.........MOSTLY SUNNY (0-10 PERCENT CLOUD COVER).  
CWR.................0 PERCENT.  
CHANCE OF PCPN......0 PERCENT.  
CHANCE OF LIGHTNING.2 PERCENT.  
MAX TEMPERATURE.....76-80.  
MIN HUMIDITY........12-16 PERCENT.  
WIND (20 FT)........WEST TO NORTHWEST WINDS 5-10 MPH.  
MIXING HEIGHT.......12100 FT AGL.  
CLIMATOLOGY......90-95TH PERCENTILE.  
TRANSPORT WINDS.....WEST 16 TO 18 MPH.  
 
 
FORECASTER...TRAPHAGAN  
REQUESTED BY...CLAIRE JOLLEY  
TYPE OF REQUEST...WILDFIRE  
.TAG 2517445.2/SLC  
.DELDT 07/09/25  
.FORMATTERVERSION 2.0.0  
.EMAIL UTCDC@FIRENET.GOV,RCJOLLEY@HOTMAIL.COM  
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