079  
FNUS75 KSLC 160410  
FWSSLC  
 
SPOT FORECAST FOR COTTONWOOD...USFS  
NATIONAL WEATHER SERVICE SALT LAKE CITY UT  
1010 PM MDT SAT AUG 15 2026  
 
FORECAST IS BASED ON FORECAST START TIME OF 2200 MDT ON AUGUST 15.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION  
A DRIER AIRMASS WILL PERSIST OVER THE BURN SITE  
INTO THE EARLY PART OF THE COMING WEEK. HOWEVER, THERE REMAINS A  
SMALL CHANCE OF DAILY AFTERNOON SHOWERS OR THUNDERSTORMS, WITH AN  
EVEN SMALLER CHANCE OF PRODUCING WETTING RAIN. RELATIVE  
HUMIDITIES WILL TREND SLIGHTLY DOWNWARD FOR SUNDAY THEN HOLD NEAR  
STEADY FOR MONDAY, WHILE TEMPERATURES WILL REMAIN BELOW NORMAL  
FOR THIS TIME OF YEAR. WINDS MAY BE ERRATIC NEAR SHOWERS AND  
THUNDERSTORMS, OTHERWISE EXPECT TYPICAL DIURNAL TERRAIN-DRIVEN  
WINDS, MOSTLY LIGHT EXCEPT FOR SOME GUSTS IN THE 20-25 MPH RANGE  
DURING THE AFTERNOONS.  
 
   
REST OF TONIGHT  
 
SKY/WEATHER.........MOSTLY CLEAR (20-30 PERCENT CLOUD COVER).  
CWR.................0 PERCENT.  
CHANCE OF PCPN......0 PERCENT.  
CHANCE OF LIGHTNING.0 PERCENT.  
MIN TEMPERATURE.....46-49.  
MAX HUMIDITY........68-71 PERCENT.  
TRANSPORT WINDS.....WEST 5 TO 10 MPH.  
WIND (20 FT)........DOWNSLOPE/DOWNVALLEY WINDS 2 TO 6 MPH.  
   
SUNDAY  
 
SKY/WEATHER.........MOSTLY SUNNY (20-30 PERCENT CLOUD COVER) THEN  
BECOMING PARTLY CLOUDY (35-45 PERCENT CLOUD  
COVER). SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON.  
CWR.................10 PERCENT.  
CHANCE OF PCPN......20 PERCENT.  
CHANCE OF LIGHTNING.15 PERCENT.  
MAX TEMPERATURE.....61-64.  
MIN HUMIDITY........32-35 PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 7 MPH.  
WIND (20 FT)........DOWNSLOPE/DOWNVALLEY WINDS 2 TO 6 MPH BECOMING  
SOUTHWEST 5 TO 10 MPH WITH GUSTS TO AROUND 20 MPH  
AFTER 1100.  
ERRATIC WINDS WITH BRIEF GUSTS TO AROUND 40 MPH  
POSSIBLE NEAR THUNDERSTORMS IN THE AFTERNOON.  
   
SUNDAY NIGHT  
 
SKY/WEATHER.........MOSTLY CLEAR (20-30 PERCENT CLOUD COVER).  
CWR.................0 PERCENT.  
CHANCE OF PCPN......10 PERCENT.  
CHANCE OF LIGHTNING.5 PERCENT.  
MIN TEMPERATURE.....49-52.  
MAX HUMIDITY........53-56 PERCENT.  
TRANSPORT WINDS.....WEST 5 TO 6 MPH.  
WIND (20 FT)........WEST WIND 4 TO 9 MPH BECOMING DOWNSLOPE/DOWNVALLEY  
2 TO 6 MPH AFTER 2100.  
   
MONDAY  
 
SKY/WEATHER.........MOSTLY SUNNY (15-25 PERCENT CLOUD COVER) THEN  
BECOMING PARTLY CLOUDY (35-45 PERCENT CLOUD  
COVER). SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON.  
CWR.................10 PERCENT.  
CHANCE OF PCPN......20 PERCENT.  
CHANCE OF LIGHTNING.15 PERCENT.  
MAX TEMPERATURE.....63-66.  
MIN HUMIDITY........34-37 PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 8 TO 10 MPH.  
WIND (20 FT)........DOWNSLOPE/DOWNVALLEY WINDS 2 TO 6 MPH BECOMING  
SOUTHWEST 6 TO 12 MPH WITH GUSTS TO AROUND 22 MPH  
AFTER 1100.  
ERRATIC WINDS WITH BRIEF GUSTS TO AROUND 40 MPH  
POSSIBLE NEAR THUNDERSTORMS IN THE AFTERNOON.  
 
 
FORECASTER...CHENG  
REQUESTED BY...BEAVER RD  
TYPE OF REQUEST...WILDFIRE  
.TAG 2619777.0/SLC  
.DELDT 08/15/26  
.FORMATTERVERSION 2.0.0  
.EMAIL KENDELLWHITE39@GMAIL.COM  
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