882  
FNUS75 KSLC 171214  
FWSSLC  
 
SPOT FORECAST FOR FRANCE CANYON...USFS  
NATIONAL WEATHER SERVICE SALT LAKE CITY UT  
614 AM MDT THU JUL 17 2025  
 
FORECAST IS BASED ON FORECAST START TIME OF 0800 MDT ON JULY 17.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION  
MONSOON MOISTURE MOVING INTO THE AREA WILL BRING  
INCREASED COVERAGE OF SHOWERS AND THUNDERSTORMS THIS AFTERNOON.  
GUSTY WINDS WILL BE POSSIBLE WITH ANY STORMS THAT DEVELOP, BUT THE  
STORMS WILL ALSO HAVE A CHANCE OF PRODUCING WETTING RAINFALL. THE  
RATHER MOIST AIRMASS WILL REMAIN IN PLACE FRIDAY WITH SOME DRYING  
EXPECTED SATURDAY AND SUNDAY. OUTSIDE OF THUNDERSTORMS, WINDS WILL  
BE LIGHT AND TERRAIN DRIVEN WITH TEMPERATURES NEAR NORMAL FOR THIS  
TIME OF YEAR.  
   
REST OF TODAY  
 
SKY/WEATHER.........PARTLY CLOUDY (55-65 PERCENT CLOUD COVER) THEN  
BECOMING MOSTLY CLOUDY (75-85 PERCENT CLOUD  
COVER). NUMEROUS SHOWERS AND THUNDERSTORMS IN  
THE AFTERNOON.  
CWR.................45 PERCENT.  
CHANCE OF PCPN......70 PERCENT.  
CHANCE OF LIGHTNING.55 PERCENT.  
MAX TEMPERATURE.....76-80.  
MIN HUMIDITY........36-40 PERCENT.  
WIND (20 FT)........UPSLOPE/UPVALLEY WINDS 3-7 MPH. GUSTY AND ERRATIC WINDS  
EXPECTED NEAR THUNDERSTORMS IN THE AFTERNOON.  
MIXING HEIGHT.......7600 FT AGL.  
CLIMATOLOGY......60-70TH PERCENTILE.  
TRANSPORT WINDS.....NORTHWEST WINDS 8-12 MPH  
   
TONIGHT  
 
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT CLOUD COVER) THEN  
BECOMING PARTLY CLOUDY (40-50 PERCENT CLOUD  
COVER). SCATTERED THUNDERSTORMS IN THE EVENING.  
SCATTERED RAIN SHOWERS THROUGH THE NIGHT.  
ISOLATED THUNDERSTORMS OVERNIGHT.  
CWR.................10 PERCENT.  
CHANCE OF PCPN......40 PERCENT.  
CHANCE OF LIGHTNING.26 PERCENT.  
MIN TEMPERATURE.....54-58.  
MAX HUMIDITY........82-86 PERCENT.  
WIND (20 FT)........DOWNSLOPE/DOWNVALLEY WINDS 3-7 MPH. GUSTY AND ERRATIC  
WINDS EXPECTED NEAR THUNDERSTORMS.  
MIXING HEIGHT.......0 FT AGL.  
TRANSPORT WINDS.....NORTHWEST WINDS 5-10 MPH.  
   
FRIDAY  
 
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT CLOUD COVER) THEN  
BECOMING MOSTLY CLOUDY (75-85 PERCENT CLOUD  
COVER). ISOLATED RAIN SHOWERS IN THE MORNING.  
ISOLATED THUNDERSTORMS LATE IN THE MORNING,  
THEN NUMEROUS RAIN SHOWERS AND SCATTERED  
THUNDERSTORMS IN THE AFTERNOON.  
CWR.................35 PERCENT.  
CHANCE OF PCPN......70 PERCENT.  
CHANCE OF LIGHTNING.52 PERCENT.  
MAX TEMPERATURE.....74-78.  
MIN HUMIDITY........34-38 PERCENT.  
WIND (20 FT)........UPSLOPE/UPVALLEY WINDS 3-7 MPH GUSTY AND ERRATIC WINDS  
EXPECTED NEAR THUNDERSTORMS IN THE LATE MORNING  
AND AFTERNOON.  
MIXING HEIGHT.......6000 FT AGL.  
CLIMATOLOGY......40-50TH PERCENTILE.  
TRANSPORT WINDS.....WEST WINDS 5-10 MPH.  
 
 
FORECASTER...TRAPHAGAN  
REQUESTED BY...JEREMY GERBER (INCIDENT COMMANDER)  
TYPE OF REQUEST...WILDFIRE  
.TAG 2517873.1/SLC  
.DELDT 07/17/25  
.FORMATTERVERSION 2.0.0  
.EMAIL JEREMY.GERBER@USDA.GOV  
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