784  
FNUS75 KSLC 171012  
FWSSLC  
 
SPOT FORECAST FOR MARKSAGAUNT PILES...USFS  
NATIONAL WEATHER SERVICE SALT LAKE CITY UT  
312 AM MST MON NOV 17 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 0600 MST ON NOVEMBER 17.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
SNOW IS TAPERING OFF AT THE BURN SITE EARLY THIS  
MORNING AS HIGH PRESSURE BRIEFLY MOVES INTO THE AREA. THIS WILL  
RESULT IN DRY AND STABLE CONDITIONS FOR THE AFTERNOON HOURS,  
KEEPING CLEARING INDICES LOW. A PACIFIC STORM SYSTEM WILL SLIDE  
SOUTH DOWN THE CALIFORNIA COAST TONIGHT INTO TOMORROW. THIS WILL  
BRING INCREASING COVERAGE OF SNOW OVERNIGHT, WITH THE SNOW  
BECOMING WIDESPREAD OVER SOUTHWEST UTAH DURING THE DAY TUESDAY.  
THE SNOW WILL CONTINUE INTO TUESDAY EVENING BEFORE TAPERING OFF BY  
EARLY WEDNESDAY. CURRENTLY ANTICIPATING SOMEWHERE BETWEEN FOUR AND  
EIGHT INCHES OF NEW SNOW WITH THE TUESDAY STORM SYSTEM. UNSETTLED  
CONDITIONS WILL CONTINUE AT THE BURN FOR MUCH OF THE REMAINDER OF  
THE WEEK AS STORM SYSTEMS CONTINUE TO MOVE INTO THE DESERT  
SOUTHWEST.  
   
TODAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (55-65 PERCENT CLOUD COVER).  
SLIGHT CHANCE OF SNOW IN THE MORNING.  
CWR.................0 PERCENT.  
CHANCE OF PCPN......20 PERCENT.  
CHANCE OF LIGHTNING.0 PERCENT.  
MAX TEMPERATURE.....34-38.  
MIN HUMIDITY........82-86 PERCENT.  
WIND (20 FT)........SOUTH WINDS 5-10 MPH.  
MIXING HEIGHT.......1600 FT AGL.  
CLIMATOLOGY......20-30TH PERCENTILE.  
TRANSPORT WINDS.....WEST WINDS 12-18 MPH.  
CLEARING INDEX......230.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT CLOUD COVER).  
SLIGHT CHANCE OF SNOW EARLY IN THE EVENING.  
CHANCE OF SNOW LATE IN THE EVENING, THEN SNOW  
LIKELY OVERNIGHT.  
CWR.................35 PERCENT.  
CHANCE OF PCPN......60 PERCENT.  
CHANCE OF LIGHTNING.0 PERCENT.  
MIN TEMPERATURE.....24-28.  
MAX HUMIDITY........96-100 PERCENT.  
WIND (20 FT)........SOUTH WINDS 5-10 MPH.  
MIXING HEIGHT.......500 FT AGL.  
TRANSPORT WINDS.....SOUTH WINDS 10-15 MPH.  
   
TUESDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (85-95 PERCENT CLOUD COVER). SNOW.  
CWR.................85 PERCENT.  
CHANCE OF PCPN......90 PERCENT.  
CHANCE OF LIGHTNING.0 PERCENT.  
MAX TEMPERATURE.....30-34.  
MIN HUMIDITY........96-100 PERCENT.  
WIND (20 FT)........SOUTHEAST WINDS 5-10 MPH.  
MIXING HEIGHT.......1500 FT AGL.  
CLIMATOLOGY......20-30TH PERCENTILE.  
TRANSPORT WINDS.....SOUTHEAST WINDS 12-18 MPH.  
CLEARING INDEX......550.  
 

 
FORECASTER...TRAPHAGAN  
REQUESTED BY...MCHENRY  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2525938.3/SLC  
.DELDT 11/17/25  
.FORMATTERVERSION 2.0.0  
.EMAIL JOHN.MCHENRY@GMAIL.COM  
 
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