999  
FNUS75 KSLC 061307  
FWSSLC  
 
SPOT FORECAST FOR BROAD...BRS  
NATIONAL WEATHER SERVICE SALT LAKE CITY UT  
707 AM MDT SUN SEP 6 2026  
 
FORECAST IS BASED ON FORECAST START TIME OF 0700 MDT ON SEPTEMBER 06.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
LIGHT EASTERLY CANYON WINDS IN PLACE AT THIS TIME ARE  
EXPECTED TO SHIFT TO AN INCREASINGLY GUSTY UPSLOPE FROM THE WEST-SOUTHWEST  
AFTER 0900 THIS MORNING, WITH GUSTS IN TO MID 20 MPH RANGE REMAINING IN  
PLACE THROUGH THIS EVENING. CLOUD COVER WILL BE INCREASING FROM THE SOUTH  
LATER THIS MORNING AS DEEPER MOISTURE BEGINS TO OVERSPREAD THE AREA.  
AS THE MOISTURE BECOMES MORE ESTABLISHED THIS AFTERNOON, ISOLATED  
SHOWERS AND STORMS ARE EXPECTED TO DEVELOP WHICH WILL CARRY MORE OF  
A GUSTY/ERRATIC OUTFLOW WIND POTENTIAL THAN THAT OF WETTING RAINS.  
CLOUDS WILL THIN SOME OVERNIGHT WITH A RETURN TO GENERALLY LIGHT  
EASTERLY CANYON WINDS REDEVELOPING LATE EVENING, BECOMING MODESTLY  
GUSTY DURING THE EARLY MORNING HOURS MONDAY. DRIER CONDITIONS ARE  
EXPECTED TO OVERSPREAD THE AREA MID TO LATE MORNING MONDAY.  
   
REST OF TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (10-20 PERCENT CLOUD COVER) THEN  
BECOMING MOSTLY CLOUDY (65-75 PERCENT CLOUD  
COVER). SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON...PRIMARILY AFTER  
1600.  
CWR.................15 PERCENT.  
CHANCE OF PCPN......20 PERCENT.  
CHANCE OF LIGHTNING.16 PERCENT.  
MAX TEMPERATURE.....86-88.  
MIN HUMIDITY........29-31 PERCENT.  
WIND (20 FT)........EAST WINDS 7 TO 11 MPH THROUGH 0900 THEN SWITCHING  
TO WEST-SOUTHWEST 12 TO 15 MPH WITH GUSTS TO 28 MPH.  
GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS  
IN THE AFTERNOON.  
MIXING HEIGHT.......7300 FT AGL (40-50TH PERCENTILE).  
TRANSPORT WINDS.....SOUTH 21 TO 24 MPH.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT CLOUD COVER) THEN  
BECOMING PARTLY CLOUDY (55-65 PERCENT CLOUD  
COVER). CHANCE OF SHOWERS AND SLIGHT CHANCE OF  
THUNDERSTORMS.  
CWR.................20 PERCENT.  
CHANCE OF PCPN......40 PERCENT.  
CHANCE OF LIGHTNING.18 PERCENT.  
MIN TEMPERATURE.....55-57.  
MAX HUMIDITY........79-81 PERCENT.  
WIND (20 FT)........SOUTHWEST WINDS 12 TO 18 MPH WITH GUSTS TO AROUND  
28 MPH THROUGH 20/2100, THEN SWITCHING TO EAST  
7 TO 12 MPH. OCCASIONAL GUSTS UP TO 20 MPH EARLY  
IN THE MORNING. GUSTY AND ERRATIC WINDS EXPECTED NEAR  
THUNDERSTORMS, PRIMARILY THROUGH 2300.  
MIXING HEIGHT.......1000 FT AGL.  
TRANSPORT WINDS.....SOUTH AROUND 20 MPH.  
   
LABOR DAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (60-70 PERCENT CLOUD COVER) THEN  
BECOMING MOSTLY SUNNY (10-20 PERCENT CLOUD  
COVER). CHANCE OF RAIN SHOWERS AND SLIGHT  
CHANCE OF THUNDERSTORMS EARLY IN THE MORNING,  
THEN SLIGHT CHANCE OF RAIN SHOWERS LATE IN THE  
MORNING.  
CWR.................30 PERCENT.  
CHANCE OF PCPN......40 PERCENT.  
CHANCE OF LIGHTNING.16 PERCENT.  
MAX TEMPERATURE.....76-78.  
MIN HUMIDITY........34-36 PERCENT.  
WIND (20 FT)........EAST WINDS 7 TO 12 MPH THROUGH 0900, THEN  
BECOMING WEST 5 TO 8 MPH WITH OCCASIONAL GUSTS  
INTO THE MID TEENS.  
MIXING HEIGHT.......6400 FT AGL (40-50TH PERCENTILE).  
TRANSPORT WINDS.....SOUTHWEST 13 TO 15 MPH.  
 

 
FORECASTER...MERRILL  
REQUESTED BY...MEGAN AVERETT  
TYPE OF REQUEST...WILDFIRE  
.TAG 2621316.0/SLC  
.DELDT 09/06/26  
.FORMATTERVERSION 2.0.0  
.EMAIL UTNUC@FIRENET.GOV, BRANDON.EVERETT@USDA.GOV  
 
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