418  
FNUS75 KSLC 071207  
FWSSLC  
 
SPOT FORECAST FOR CARTER CREEK RX...USFS  
NATIONAL WEATHER SERVICE SALT LAKE CITY UT  
ISSUED BY NATIONAL WEATHER SERVICE GRAND JUNCTION CO  
607 AM MDT WED MAY 7 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 0630 MDT ON MAY 07.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION  
A GENERAL NORTHERLY FLOW IN THE WAKE OF A DEPARTING  
STORM SYSTEM WILL RESIDE ACROSS THE AREA TODAY. LINGERING MOISTURE  
WILL BRING A CHANCE FOR AFTERNOON SHOWERS AND THUNDERSTORMS,  
ALTHOUGH MUCH OF THIS ACTIVITY WILL REMAIN JUST SOUTH OF THE SITE,  
DEVELOPING ALONG THE HIGHER RIDGELINES AND MOVING SOUTH AND AWAY  
FROM THE SITE THIS AFTERNOON. GUSTY ERRATIC WINDS WILL BE POSSIBLE  
WITH ANY THUNDERSTORMS WHICH PASS NEAR THE SITE. MIXING LOOKS TO BE  
DEEP ENOUGH TO BOOST THE CLEARING INDEX ABOVE 500 THIS AFTERNOON.  
 
HIGH PRESSURE WILL BRING A DRYING AND WARMING TREND FOR THE LATTER  
PORTION OF THE WEEK THROUGH THE UPCOMING WEEKEND. THE AIRMASS WILL  
REMAIN A BIT STABLE THURSDAY, AND WITH LIGHT TRANSPORT WINDS THE  
CLEARING INDEX MAY JUST EXCEED 500. AS THE AIRMASS WARMS HEADING  
INTO THE WEEKEND, VERY GOOD MIXING WILL PUSH THE CLEARING INDEX  
WELL ABOVE 500 EACH DAY BEGINNING FRIDAY.  
   
TODAY  
 
SKY/WEATHER.........MOSTLY SUNNY (10-20 PERCENT CLOUD COVER) THEN  
BECOMING MOSTLY CLOUDY (70-80 PERCENT CLOUD  
COVER). A CHANCE OF RAIN SHOWERS AND A SLIGHT  
CHANCE OF THUNDERSTORMS IN THE AFTERNOON.  
CHANCE OF PCPN......40 PERCENT.  
MAX TEMPERATURE.....55-57.  
MIN HUMIDITY........47-50 PERCENT.  
WIND (20 FT)........NORTHWEST 3-7 MPH. GUSTY AND ERRATIC WINDS  
TO 30 MPH POSSIBLE NEAR THUNDERSTORMS IN THE  
AFTERNOON.  
MIXING HEIGHT.......5500 FT AGL.  
TRANSPORT WINDS.....NORTHEAST AROUND 10 MPH.  
CLEARING INDEX......670.  
   
TONIGHT  
 
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT CLOUD COVER). A  
SLIGHT CHANCE OF SHOWERS SHOWERS EARLY IN THE  
EVENING.  
CHANCE OF PCPN......20 PERCENT.  
MIN TEMPERATURE.....32-34.  
MAX HUMIDITY........80-82 PERCENT.  
WIND (20 FT)........SOUTHEAST 2-4 MPH.  
MIXING HEIGHT.......500 FT AGL.  
TRANSPORT WINDS.....SOUTH 5 MPH.  
   
THURSDAY  
 
SKY/WEATHER.........MOSTLY SUNNY (5-15 PERCENT CLOUD COVER) THEN  
BECOMING PARTLY CLOUDY (30-40 PERCENT CLOUD  
COVER).  
CHANCE OF PCPN......10 PERCENT.  
MAX TEMPERATURE.....61-64.  
MIN HUMIDITY........28-32 PERCENT.  
WIND (20 FT)........SOUTHEAST 2-4 MPH BECOMING WEST-NORTHWEST  
3-7 MPH AFTER 1000.  
MIXING HEIGHT.......7800 FT AGL.  
TRANSPORT WINDS.....SOUTH AROUND 8 MPH.  
CLEARING INDEX......550.  
   
FORECAST DAYS 3 THROUGH 7  
   
FRIDAY  
 
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS IN  
THE LOWER 30S. HIGHS IN THE MID 60S. SOUTHEAST WINDS AROUND  
5 MPH. CLEARING INDEX AROUND 700.   
SATURDAY  
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE UPPER 60S.  
SOUTH WINDS AROUND 5 MPH. CLEARING INDEX AROUND 1000.   
SUNDAY  
 
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS IN  
THE MID 40S. HIGHS IN THE UPPER 60S. SOUTH WINDS AROUND 7 MPH.  
CLEARING INDEX 1000+.   
MONDAY  
 
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND SLIGHT CHANCE OF  
THUNDERSTORMS. LOWS IN THE MID 40S. HIGHS IN THE MID 60S.  
CLEARING INDEX 1000+.    
TUESDAY  
 
PARTLY CLOUDY WITH CHANCE OF SNOW SHOWERS, SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS. LOWS IN THE UPPER 30S. HIGHS AROUND  
60. CLEARING INDEX 1000+.  
 
 
FORECASTER...SEAMAN  
REQUESTED BY...THOMAS  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2512771.3/SLC  
.DELDT 05/07/25  
.FORMATTERVERSION 2.0.0  
.EMAIL JEREMY.NELSON@USDA.GOV,THOMAS.BOLKE@USDA.GOV  
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