886  
FNUS75 KSLC 122033  
FWSSLC  
 
SPOT FORECAST FOR WIDEMOUTH 2...FOREST SERVICE  
NATIONAL WEATHER SERVICE SALT LAKE CITY UT  
233 PM MDT SAT SEP 12 2026  
 
FORECAST IS BASED ON FORECAST START TIME OF 1200 MDT ON SEPTEMBER 13.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION  
BREEZY SOUTHWESTERLY WINDS WILL CONTINUE, WITH GUSTS  
TO 30 MPH EXPECTED SUNDAY AFTERNOON AHEAD OF A FRONTAL PASSAGE.  
THIS FRONT WILL LIKELY REACH WIDEMOUTH 2 AROUND 0300, THOUGH SOME  
UNCERTAINTY STILL REMAINS IN EXACT TIMING. EXPECT A BRIEF PERIOD  
OF GUSTY NORTHWESTERLY WINDS JUST BEHIND THE FRONT, WITH GUSTS UP  
TO 25 MPH EXPECTED. WIDEMOUTH 2 WILL REMAIN ON THE PERIPHERY OF  
MOISTURE OVER SOUTHEASTERN UTAH, THUS PRECIPITATION CHANCES ARE  
LOW...THE HIGHEST CHANCES BEING SUNDAY AFTERNOON. EXPECT EXCELLENT  
OVERNIGHT RH RECOVERIES THROUGH AT LEAST MID-WEEK.  
   
SUNDAY  
 
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT CLOUD COVER).  
CWR.................5 PERCENT.  
CHANCE OF PCPN......15 PERCENT AFTER 1300.  
CHANCE OF LIGHTNING.15 PERCENT AFTER 1300.  
MAX TEMPERATURE.....77-80.  
MIN HUMIDITY........37-40 PERCENT.  
WIND (20 FT)........SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO  
AROUND 20 MPH, INCREASING TO SOUTHWEST 15 TO 20 MPH  
WITH GUSTS TO 30 MPH AFTER 1200.  
MIXING HEIGHT.......9100 FT AGL (60-70TH PERCENTILE).  
TRANSPORT WINDS.....SOUTHWEST AROUND 30 MPH.  
   
SUNDAY NIGHT  
 
SKY/WEATHER.........MOSTLY CLEAR (15-25 PERCENT CLOUD COVER).  
CWR.................0 PERCENT.  
CHANCE OF PCPN......5 PERCENT.  
CHANCE OF LIGHTNING.5 PERCENT.  
MIN TEMPERATURE.....52-55.  
MAX HUMIDITY........63-66 PERCENT.  
WIND (20 FT)........SOUTHWEST WINDS 12 TO 15 MPH WITH GUSTS TO  
AROUND 25 MPH BECOMING NORTHWEST 10 TO 15 MPH  
AFTER 0300.  
MIXING HEIGHT.......600 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 17 TO 25 MPH.  
   
MONDAY  
 
SKY/WEATHER.........MOSTLY SUNNY (15-25 PERCENT CLOUD COVER).  
CWR.................0 PERCENT.  
CHANCE OF PCPN......10 PERCENT.  
CHANCE OF LIGHTNING.5 PERCENT.  
MAX TEMPERATURE.....71-74.  
MIN HUMIDITY........36-39 PERCENT.  
WIND (20 FT)........WEST WINDS 2 TO 9 MPH.  
MIXING HEIGHT.......6700 FT AGL (40-50TH PERCENTILE).  
TRANSPORT WINDS.....WEST-NORTHWEST AROUND 10 TO 15 MPH.  
 
 
FORECASTER...CUNNINGHAM  
REQUESTED BY...SIERRA SAMPSON  
TYPE OF REQUEST...WILDFIRE  
.TAG 2621714.0/SLC  
.DELDT 09/12/26  
.FORMATTERVERSION 2.0.0  
.EMAIL SIERRA.SAMPSON@USDA.GOV  
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