619  
FNUS75 KSLC 061304  
FWSSLC  
 
SPOT FORECAST FOR CARTER CREEK RX...USFS  
NATIONAL WEATHER SERVICE SALT LAKE CITY UT  
ISSUED BY NATIONAL WEATHER SERVICE GRAND JUNCTION CO  
704 AM MDT TUE MAY 6 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 0800 MDT ON MAY 06.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION  
A SLOW MOVING LOW PRESSURE SYSTEM WILL MAINTAIN COOL  
AND UNSETTLED CONDITIONS TODAY ALONG WITH ELEVATED RH. WITH THE  
LOW CENTERED TO THE SOUTH, WINDS WILL REMAIN PRIMARILY EASTERLY  
THROUGHOUT THE DAY. MOISTURE IN PLACE WILL MAINTAIN A CHANCE OF  
SHOWERS THROUGH THE DAY, WITH THE BEST CHANCE COMING THIS MORNING.  
SNOW LEVELS WILL RISE NEAR OR JUST ABOVE THE SITE THIS AFTERNOON.  
 
THIS SYSTEM WILL MOVE EAST OF THE AREA WEDNESDAY, LEAVING A STABLE  
AIRMASS IN ITS WAKE WHICH WILL LIMIT MIXING, AND KEEP THE CLEARING  
INDEX BELOW 500. LINGERING MOISTURE WILL MAINTAIN A SMALL CHANCE OF  
SHOWERS AND THUNDERSTORMS. HIGH PRESSURE WILL BRING A DRYING AND  
WARMING TREND FOR THE LATTER PORTION OF THE WEEK THROUGH THE  
UPCOMING WEEKEND. THIS WILL RESULT IN INCREASED MIXING, BOOSTING  
THE CLEARING INDEX WELL ABOVE 500 EACH DAY.  
   
TODAY  
 
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT CLOUD COVER). A  
40% CHANCE OF SNOW SHOWERS IN THE MORNING, THEN  
A 30% CHANCE OF RAIN AND SNOW SHOWERS IN THE  
AFTERNOON.  
CHANCE OF PCPN......40 PERCENT UNTIL 1200, THEN 30 PERCENT.  
MAX TEMPERATURE.....47-50.  
MIN HUMIDITY........56-59 PERCENT.  
WIND (20 FT)........NORTH 2-4 MPH BECOMING EAST 5-10 MPH AFTER 0900.  
GUSTS 15-20 MPH AFTER 1200.  
MIXING HEIGHT.......4300 FT AGL.  
TRANSPORT WINDS.....EAST 15 MPH.  
CLEARING INDEX......700.  
   
TONIGHT  
 
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT CLOUD COVER) THEN  
BECOMING PARTLY CLOUDY (55-65 PERCENT CLOUD  
COVER). A 20% CHANCE OF RAIN SHOWERS AND SNOW  
SHOWERS IN THE EVENING.  
CHANCE OF PCPN......20 PERCENT.  
MIN TEMPERATURE.....AROUND 30.  
MAX HUMIDITY........87-90 PERCENT.  
WIND (20 FT)........EAST 5-10 WITH GUSTS TO AROUND 20 MPH  
BECOMING NORTHEAST 2-4 MPH AFTER 2100.  
MIXING HEIGHT.......5000 FT AGL.  
TRANSPORT WINDS.....EAST 15 MPH.  
   
WEDNESDAY  
 
SKY/WEATHER.........MOSTLY SUNNY (10-20 PERCENT CLOUD COVER) THEN  
BECOMING PARTLY CLOUDY (55-65 PERCENT CLOUD  
COVER). A CHANCE OF RAIN SHOWERS AND SLIGHT  
CHANCE OF THUNDERSTORMS IN THE AFTERNOON.  
CHANCE OF PCPN......30 PERCENT.  
MAX TEMPERATURE.....56-58.  
MIN HUMIDITY........49-51 PERCENT.  
WIND (20 FT)........NORTHEAST 1-3 MPH BECOMING NORTH 4-8 MPH  
AFTER 1000. GUSTY AND ERRATIC WINDS NEAR  
THUNDERSTORMS IN THE AFTERNOON.  
MIXING HEIGHT.......4800 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST 10 MPH.  
CLEARING INDEX......420.  
   
FORECAST DAYS 3 THROUGH 7  
   
THURSDAY  
 
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS IN  
THE LOWER 30S. HIGHS IN THE LOWER 60S. SOUTHWEST WINDS AROUND  
5 MPH. CLEARING INDEX AROUND 700.   
FRIDAY  
 
MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE MID 60S. SOUTH  
WINDS AROUND 5 MPH. CLEARING INDEX AROUND 900.   
SATURDAY  
 
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS IN  
THE UPPER 30S. HIGHS IN THE UPPER 60S. SOUTH WINDS AROUND 5 MPH.  
CLEARING INDEX 1000+.   
SUNDAY  
 
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS IN  
THE LOWER 40S. HIGHS IN THE UPPER 60S. CLEARING INDEX 1000+.   
MONDAY  
 
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND SLIGHT CHANCE OF  
THUNDERSTORMS. LOWS IN THE LOWER 40S. HIGHS IN THE MID 60S.  
CLEARING INDEX 1000+.  
 
 
FORECASTER...SEAMAN  
REQUESTED BY...TB  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2513086.0/SLC  
.DELDT 05/05/25  
.FORMATTERVERSION 2.0.0  
.EMAIL THOMAS.BOLKE@USDA.GOV  
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