076  
FNUS75 KSLC 282336  
FWSSLC  
 
SPOT FORECAST FOR WIDEMOUTH...RIFC  
NATIONAL WEATHER SERVICE SALT LAKE CITY UT  
536 PM MDT THU AUG 28 2025  
 
FORECAST IS BASED ON FORECAST START TIME OF 0600 MDT ON AUGUST 29.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
A PUSH OF TROPICAL MOISTURE INTO SOUTHERN AND CENTRAL  
UTAH WILL YIELD WIDESPREAD LIGHT RAIN OVERNIGHT THURSDAY INTO MID-  
FRIDAY MORNING. DRIER AIR WORKING ITS WAY INTO THE REGION LIMITS  
AFTERNOON SHOWER AND THUNDERSTORM COVERAGE ON FRIDAY AFTERNOON, WITH  
A 25-30% CHANCE FOR AN ISOLATED CELL TO IMPACT THE FIRE AREA. MAIN  
CONCERNS FOR ANY STORMS THAT DEVELOP INCLUDE BRIEF HEAVY RAINFALL,  
LIGHTNING, AND GUSTY AND ERRATIC OUTFLOW WINDS.  
   
FRIDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (50-60 PERCENT CLOUD COVER).  
LIGHT RAIN TAPERS AFTER 8 AM, THEN A  
SLIGHT CHANCE FOR ISOLATED SHOWERS AND  
THUNDERSTORMS AFTER 1400.  
CWR.................5 PERCENT.  
CHANCE OF PCPN......30 PERCENT.  
CHANCE OF LIGHTNING.26 PERCENT.  
MAX TEMPERATURE.....AROUND 80.  
MIN HUMIDITY........27-30 PERCENT.  
WIND (20 FT)........SOUTHEAST WINDS 3-5 MPH BECOMING NORTH 5-8 MPH  
IN THE LATE MORNING AND AFTERNOON. GUSTY AND  
ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS IN  
THE AFTERNOON.  
MIXING HEIGHT.......9500 FT AGL.  
CLIMATOLOGY......60-70TH PERCENTILE.  
TRANSPORT WINDS.....SOUTH AROUND 10 MPH.  
   
FRIDAY NIGHT
 
 
SKY/WEATHER.........SCATTERED EARLY IN THE EVENING (30-40 PERCENT  
CLOUD COVER, BECOMING MOSTLY CLEAR (15-25  
PERCENT CLOUD COVER). SLIGHT CHANCE OF SHOWERS  
AND THUNDERSTORMS UNTIL 2100.  
CWR.................0 PERCENT.  
CHANCE OF PCPN......20 PERCENT.  
CHANCE OF LIGHTNING.12 PERCENT.  
MIN TEMPERATURE.....55-58.  
MAX HUMIDITY........52-55 PERCENT.  
WIND (20 FT)........NORTH WINDS 6-8 MPH BECOMING NORTHEAST 5-7 MPH  
LATE IN THE EVENING, THEN BECOMING SOUTHEAST  
4-6 MPH OVERNIGHT. GUSTY AND ERRATIC WINDS  
EXPECTED NEAR THUNDERSTORMS EARLY IN THE  
EVENING.  
MIXING HEIGHT.......500 FT AGL.  
TRANSPORT WINDS.....NORTH AROUND 10 MPH BECOMING EAST AROUND 7 MPH  
OVERNIGHT.  
 

 
FORECASTER...WHITLAM  
REQUESTED BY...NICK STEFANICH  
TYPE OF REQUEST...WILDFIRE  
.TAG 2520784.2/SLC  
.DELDT 08/28/25  
.FORMATTERVERSION 2.0.0  
.EMAIL JCURLEY@BLM.GOV,UTRFC@FIRENET.GOV  
 
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