233  
FNUS75 KSLC 091202  
FWSSLC  
 
SPOT FORECAST FOR IKES VALLEY RX...USDA  
NATIONAL WEATHER SERVICE SALT LAKE CITY UT  
602 AM MDT THU APR 9 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 0630 MDT ON APRIL 09.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
DRY AND MILD CONDITIONS WILL PERSIST AT THE BURN SITE  
TODAY, WITH AFTERNOON TEMPERATURES TRENDING 1-2 DEGREES COOLER, AND  
RH 1-2% HIGHER THAN WEDNESDAY. ONCE THE MORNING INVERSION LIFTS  
BY 1000, SOUTH-SOUTHWEST WINDS ALOFT WILL BEGIN MIXING TO THE  
SURFACE WITH GUSTS TO AROUND 20 MPH THROUGHOUT THE AFTERNOON. HIGH  
CLOUDS WILL RESULT IN FILTERED SUNSHINE AT TIMES THROUGHOUT THE DAY.  
 
SOUTHERLY WINDS WILL STRENGTHEN FRIDAY, AS MOISTURE BEGINS TO  
SPREAD INTO THE AREA AHEAD OF AN APPROACHING LOW PRESSURE SYSTEM.  
GUSTS WILL APPROACH 30 MPH LATE MORNING THROUGH AFTERNOON FRIDAY.  
THIS MOISTURE WILL ALSO BRING A SLIGHT CHANCE OF AFTERNOON SHOWERS  
AND THUNDERSTORMS. ANY RAINFALL WITH THESE STORMS WILL REMAIN LESS  
THAN .10 INCHES, HOWEVER GUSTY ERRATIC OUTFLOW WINDS CAN BE  
EXPECTED WITH ANY STORMS WHICH PASS NEAR THE SITE.  
 
A COOLER AND MORE UNSETTLED PATTERN WILL DEVELOP OVER THE WEEKEND  
INTO EARLY NEXT WEEK. THE INITIAL ROUND OF SHOWERS SATURDAY MAY  
BRING UP TO .10" OF RAIN, BEFORE A COLDER AND STRONGER SYSTEM  
MOVES THROUGH THE AREA LATE SUNDAY THROUGH MONDAY BRINGING A  
PERIOD OF ACCUMULATING SNOW. THERE REMAINS A FAIR AMOUNT OF  
FORECAST UNCERTAINTY SUNDAY THROUGH MONDAY, BUT THE MOST LIKELY  
PRECIPITATION TOTALS (25TH-75TH PERCENTILE) ARE .25-.50" OF  
PRECIP WITH 1-3" OF SNOW DURING THIS TIMEFRAME.  
   
TODAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT CLOUD COVER).  
CWR.................0 PERCENT.  
CHANCE OF PCPN......0 PERCENT.  
MAX TEMPERATURE.....64-67.  
MIN HUMIDITY........16-19 PERCENT.  
WIND (20 FT)........SOUTHWEST 2-4 MPH UNTIL 1000, THEN BECOMING  
SOUTH-SOUTHWEST 7-10 MPH WITH GUSTS TO AROUND  
20 MPH.  
MIXING HEIGHT.......AROUND 500 FT AGL EARLY, RISING TO 6000 FT BY  
1000, THEN INCREASING TO 9900 FT (70-80TH  
PERCENTILE) BY 1400.  
TRANSPORT WINDS.....SOUTHWEST 5 MPH EARLY, INCREASING TO 20 MPH  
LATE MORNING THROUGH AFTERNOON.  
CLEARING INDEX......1000+.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT CLOUD COVER).  
CWR.................0 PERCENT.  
CHANCE OF PCPN......0 PERCENT.  
MIN TEMPERATURE.....40-42.  
MAX HUMIDITY........35-40 PERCENT.  
WIND (20 FT)........SOUTHWEST 2-8 MPH.  
MIXING HEIGHT.......7000 FT AGL EARLY, DECREASING TO 600 FT AGL  
AFTER 2000.  
TRANSPORT WINDS.....SOUTHWEST 15 MPH DECREASING TO 8 MPH AFTER  
2000.  
   
FRIDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (45-60 PERCENT CLOUD COVER). A  
SLIGHT CHANCE OF RAIN SHOWERS IN THE AFTERNOON.  
CWR.................0 PERCENT.  
CHANCE OF PCPN......20 PERCENT.  
MAX TEMPERATURE.....60-63.  
MIN HUMIDITY........22-25 PERCENT.  
WIND (20 FT)........SOUTHWEST 2-6 MPH UNTIL 1000, THEN BECOMING  
SOUTH 10-15 MPH WITH GUSTS TO AROUND 30 MPH.  
MIXING HEIGHT.......AROUND 500 FT AGL EARLY, INCREASING TO 5000  
FT BY 1000, THEN RISING TO 9100 FT (60-70TH  
PERCENTILE) BY 1400.  
TRANSPORT WINDS.....SOUTH 20 MPH INCREASING TO 35 MPH IN THE  
AFTERNOON.  
CLEARING INDEX......1000+.  
 

 
FORECASTER...SEAMAN  
REQUESTED BY...KEITH ADAMS  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2609373.2/SLC  
.DELDT 04/09/26  
.FORMATTERVERSION 2.0.0  
.EMAIL KEITH.R.ADAMS@USDA.GOV  
 
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