841  
FNUS75 KSLC 251141  
FWSSLC  
 
SPOT FORECAST FOR ARGYLE RX PILES...USFS  
NATIONAL WEATHER SERVICE SALT LAKE CITY UT  
541 AM MDT FRI SEP 25 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 0800 MDT ON SEPTEMBER 25.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
GENERALLY DRY CONDITIONS ARE EXPECTED TO PREVAIL INTO THE  
WEEKEND WITH TEMPERATURES NEAR SEASONAL NORMALS AND EXCELLENT  
CLEARING INDEX VALUES. A WEAK STORM SYSTEM GRAZING NORTHERN UTAH  
TODAY WILL BRING A SLIGHT CHANCE OF SHOWERS TO THE HIGHEST TERRAIN  
OF THE UINTAS DURING THE MID TO LATE AFTERNOON, BRINGING A LOW  
POTENTIAL OF GUSTY AND ERRATIC WINDS WITH ANY STORMS THAT DEVELOP. SOUTHERLY  
FLOW IS EXPECTED TO GRADUALLY INCREASE OVER THE BURN THROUGH  
SUNDAY AHEAD OF AN APPROACHING STORM SYSTEM. THIS STORM WILL BRING  
THE POTENTIAL FOR WIDESPREAD PRECIPITATION MONDAY INTO TUESDAY AS  
IT MOVES THROUGH UTAH.  
 
   
REST OF TODAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT CLOUD COVER).  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS LATE  
IN THE AFTERNOON.  
CWR.................5 PERCENT.  
CHANCE OF PCPN......20 PERCENT.  
CHANCE OF LIGHTNING.10 PERCENT.  
MAX TEMPERATURE.....58-62.  
MIN HUMIDITY........48-52 PERCENT.  
WIND (20 FT)........SOUTH WINDS 5-10 MPH. GUSTY OUTFLOW WINDS NEAR  
THUNDERSTORMS LATE IN THE AFTERNOON.  
MIXING HEIGHT.......8200 FT AGL (60-70TH PERCENTILE).  
TRANSPORT WINDS.....SOUTHWEST WINDS 10-15 MPH.  
CLEARING INDEX......1000+.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (25-35 PERCENT CLOUD COVER).  
CWR.................0 PERCENT.  
CHANCE OF PCPN......10 PERCENT.  
CHANCE OF LIGHTNING.5 PERCENT.  
MIN TEMPERATURE.....44-48.  
MAX HUMIDITY........66-70 PERCENT.  
WIND (20 FT)........SOUTH WINDS 5-10 MPH.  
MIXING HEIGHT.......600 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST WINDS 10-15 MPH.  
   
SATURDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (15-25 PERCENT CLOUD COVER) THEN  
BECOMING PARTLY CLOUDY (30-40 PERCENT CLOUD  
COVER).  
CWR.................0 PERCENT.  
CHANCE OF PCPN......10 PERCENT.  
CHANCE OF LIGHTNING.5 PERCENT.  
MAX TEMPERATURE.....60-64.  
MIN HUMIDITY........46-50 PERCENT.  
WIND (20 FT)........SOUTH WINDS 5-10 MPH.  
MIXING HEIGHT.......7400 FT AGL (50-60TH PERCENTILE).  
TRANSPORT WINDS.....SOUTHWEST WINDS 12-18 MPH.  
CLEARING INDEX......1000+.  
 

 
FORECASTER...TRAPHAGAN  
REQUESTED BY...KANAAN NEALLEY  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2622241.2/SLC  
.DELDT 09/25/26  
.FORMATTERVERSION 2.0.0  
.EMAIL RYAN.CROW@USDA.GOV,JOSEPH.L.WILLIAMS@USDA.GOV,KANAAN.NEALLEY@USDA.GOV,BRYAN.HUGHES@USDA.GOV  
 
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