843  
FNUS75 KSLC 092034  
FWSSLC  
 
SPOT FORECAST FOR TOWER FIRE...BLM  
NATIONAL WEATHER SERVICE SALT LAKE CITY UT  
234 PM MDT TUE JUN 9 2026  
 
FORECAST IS BASED ON FORECAST START TIME OF 0600 MDT ON JUNE 10.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
..RED FLAG WARNING IN EFFECT UNTIL 10 PM MDT THIS EVENING
 
 
   
DISCUSSION
 
EXPECT DRY, BREEZY CONDITIONS ONCE AGAIN ON  
WEDNESDAY AS WESTERLY FLOW INCREASES AHEAD OF A COLD FRONT. PEAK  
WINDS WILL LIKELY BE LATE AFTERNOON, WITH MINIMUM RELATIVE  
HUMIDITY IN THE LOW TEENS. THERE IS A 10 PERCENT CHANCE OF WIND  
GUSTS REACHING 35 MPH DURING THIS TIME. THE COLD FRONT WILL PASS  
THROUGH SOMETIME BETWEEN 1900-2100, RESULTING IN A TRANSITION TO  
BREEZY NORTHERLY WINDS AND AN INCREASE IN RH...THOUGH CONFIDENCE  
IS LOW IN HOW MUCH RH WILL RECOVER. CURRENT FORECASTS STILL  
SUGGEST POOR OVERNIGHT RECOVERIES WEDNESDAY NIGHT, WITH EVEN  
DRIER AND MORE STABLE CONDITIONS EXPECTED THURSDAY.  
   
WEDNESDAY
 
 
SKY/WEATHER.........SUNNY (0-10 PERCENT CLOUD COVER).  
CWR.................0 PERCENT.  
CHANCE OF PCPN......0 PERCENT.  
CHANCE OF LIGHTNING.0 PERCENT.  
MAX TEMPERATURE.....79-82.  
MIN HUMIDITY........11-14 PERCENT.  
WIND (20 FT)........SOUTHWEST WINDS 3-6 MPH BECOMING WEST 8-12 MPH  
AFTER 1000 THEN WEST 15-20 MPH WITH GUSTS TO  
30 MPH AFTER 1400.  
MIXING HEIGHT.......9000 FT AGL (60-70TH PERCENTILE).  
TRANSPORT WINDS.....WEST AROUND 15 MPH BECOMING AROUND 26 MPH IN  
THE AFTERNOON.  
   
WEDNESDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (5-15 PERCENT CLOUD COVER).  
CWR.................0 PERCENT.  
CHANCE OF PCPN......0 PERCENT.  
CHANCE OF LIGHTNING.0 PERCENT.  
MIN TEMPERATURE.....47-50.  
MAX HUMIDITY........30-33 PERCENT.  
WIND (20 FT)........WEST-NORTHWEST WINDS 15-20 MPH WITH GUSTS TO AROUND  
30 MPH BECOMING NORTH 8-12 MPH WITH GUSTS TO 20 MPH  
AFTER 2100, THEN BECOMING NORTHEAST 3-6 MPH AFTER 0400.  
MIXING HEIGHT.......1500 FT AGL.  
TRANSPORT WINDS.....WEST AROUND 26 MPH BECOMING NORTH AROUND 17 MPH  
OVERNIGHT.  
   
THURSDAY
 
 
SKY/WEATHER.........SUNNY (0-10 PERCENT CLOUD COVER).  
CWR.................0 PERCENT.  
CHANCE OF PCPN......0 PERCENT.  
CHANCE OF LIGHTNING.0 PERCENT.  
MAX TEMPERATURE.....74-77.  
MIN HUMIDITY........10-13 PERCENT.  
WIND (20 FT)........EAST WINDS 3-6 MPH BECOMING NORTHWEST 8-12 MPH  
AFTER 1100.  
MIXING HEIGHT.......6000 FT AGL (40-50TH PERCENTILE).  
TRANSPORT WINDS.....NORTHEAST AROUND 7 MPH BECOMING WEST AROUND 10  
MPH IN THE AFTERNOON.  
 

 
FORECASTER...CUNNINGHAM  
REQUESTED BY...SIERRA SAMPSON  
TYPE OF REQUEST...WILDFIRE  
.TAG 2615245.0/SLC  
.DELDT 06/09/26  
.FORMATTERVERSION 2.0.0  
.EMAIL SIERRA.SAMPSON@USDA.GOV  
 
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