715  
FNUS75 KSLC 172044  
FWSSLC  
 
SPOT FORECAST FOR MILLCREEK RX...USFS  
NATIONAL WEATHER SERVICE SALT LAKE CITY UT  
244 PM MDT SAT OCT 17 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 0700 MDT ON OCTOBER 18.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION  
OVERALL DRY AND STABLE CONDITIONS CONTINUE INTO  
EARLY THIS UPCOMING WEEK. MOISTURE INCREASES ACROSS THE AREA OVER  
THE NEXT SEVERAL DAYS AS A LOW PRESSURE SYSTEM GRADUALLY LIFTS  
NORTHWARD INTO THE REGION, RESULTING IN INCREASING CLOUD COVER AND  
AN UPWARD TREND IN RH THROUGH TUESDAY. A MORE ACTIVE PATTERN  
RETURNS WEDNESDAY AS A STRONG WEATHER SYSTEM DROPS INTO THE WEST  
COAST. GUSTY SOUTHERLY WINDS DEVELOP WEDNESDAY AFTERNOON,  
RESULTING IN IMPROVEMENTS IN MIXING ACROSS THE AREA. WIDESPREAD  
RAINFALL ASSOCIATED WITH THIS SYSTEM MOVES INTO THE AREA BY  
THURSDAY MORNING AND CONTINUES THROUGH FRIDAY, BRINGING LIKELY  
CHANCES FOR WETTING RAINS.  
   
SUNDAY  
 
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT CLOUD COVER).  
CWR.................0 PERCENT.  
CHANCE OF PCPN......0 PERCENT.  
CHANCE OF LIGHTNING.0 PERCENT.  
MAX TEMPERATURE.....54-56.  
MIN HUMIDITY........36-38 PERCENT.  
WIND (20 FT)........SOUTH WINDS 2 TO 5 MPH BECOMING WEST 2 TO 4 MPH  
IN THE AFTERNOON.  
MIXING HEIGHT.......4300 FT AGL (30-40TH PERCENTILE).  
TRANSPORT WINDS.....SOUTH AROUND 7 MPH.  
CLEARING INDEX......290.  
   
SUNDAY NIGHT  
 
SKY/WEATHER.........MOSTLY CLEAR (25-35 PERCENT CLOUD COVER).  
CWR.................0 PERCENT.  
CHANCE OF PCPN......0 PERCENT.  
CHANCE OF LIGHTNING.0 PERCENT.  
MIN TEMPERATURE.....AROUND 40.  
MAX HUMIDITY........71-73 PERCENT.  
WIND (20 FT)........SOUTHEAST WINDS 2 TO 4 MPH.  
MIXING HEIGHT.......500 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST AROUND 6 MPH BECOMING SOUTH AROUND 9  
MPH OVERNIGHT.  
   
MONDAY  
 
SKY/WEATHER.........MOSTLY SUNNY (20-30 PERCENT CLOUD COVER) THEN  
BECOMING PARTLY CLOUDY (30-40 PERCENT CLOUD  
COVER).  
CWR.................0 PERCENT.  
CHANCE OF PCPN......0 PERCENT.  
CHANCE OF LIGHTNING.0 PERCENT.  
MAX TEMPERATURE.....54-56.  
MIN HUMIDITY........48-50 PERCENT.  
WIND (20 FT)........SOUTHEAST WINDS 2 TO 5 MPH BECOMING SOUTHWEST 3  
TO 5 MPH LATE IN THE AFTERNOON.  
MIXING HEIGHT.......5600 FT AGL (40-50TH PERCENTILE).  
TRANSPORT WINDS.....SOUTHEAST AROUND 9 MPH.  
CLEARING INDEX......440.  
 
 
FORECASTER...WHITLAM  
REQUESTED BY...ROGER KEATING  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2623798.0/SLC  
.DELDT 10/17/26  
.FORMATTERVERSION 2.0.0  
.EMAIL SKYLAR.NEUGEBAUER@USDA.GOV,ROGER.KEATING@USDA.GOV,PETER.NOBLE@USDA.GOV,DAVIS.OATWAY@USDA.GOV,RICHARD.NIELSON@USDA.GOV,DANIEL.SQUIRES@USDA.GOV  
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