173
FNUS75 KSLC 041236
FWSSLC
SPOT FORECAST FOR LAST CHANCE RX...USFS
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
536 AM MST TUE NOV 4 2025
FORECAST IS BASED ON IGNITION TIME OF 0600 MST ON NOVEMBER 04.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
A MILD AND DRY SOUTHWESTERLY FLOW ALOFT WILL REMAIN
IN PLACE OVER THE BURN SITE TODAY WITH PATCHY HIGH CLOUDS.
TEMPERATURES WILL TREND SLIGHTLY COOLER TODAY AND HUMIDITIES A BIT
HIGHER. WITH THE SOUTHWESTERLIES A BIT WEAKER TODAY, EXPECT 20 FT
WINDS TO SEE AN AFTERNOON TRANSITION TO MORE OF A LIGHT
EASTERLY/UPSLOPE DIRECTION. SOUTHWEST FLOW AND TRANSPORT WINDS WILL
INCREASE TOMORROW AHEAD OF THE NEXT STORM SYSTEM, AND IT IS
EXPECTED THAT 20 FT WINDS WILL MAINTAIN A SOUTHWESTERLY DIRECTION
THROUGH THE DAY TOMORROW AS WELL. THE STORM SYSTEM WILL BRING A
MORE SIGNIFICANT COOLING TREND ALONG WITH HIGHER HUMIDITIES ON
THURSDAY. HOWEVER, ANY PRECIPITATION WILL REMAIN WELL NORTH OF THE
BURN SITE. UNSETTLED WEATHER WILL MAINTAIN GOOD TO EXCELLENT
MIXING WITH CLEARING INDEX ABOVE 500 THROUGH FRIDAY.
TODAY
SKY/WEATHER.........MOSTLY SUNNY (15-25 PERCENT CLOUD COVER).
CWR.................0 PERCENT.
CHANCE OF PCPN......0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....53-56.
MIN HUMIDITY........16-19 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 5-9 MPH WITH GUSTS TO AROUND
16 MPH BECOMING EAST-SOUTHEAST 4-8 MPH AFTER
1300.
MIXING HEIGHT.......4600 FT AGL.
CLIMATOLOGY......30-40TH PERCENTILE.
TRANSPORT WINDS.....WEST AROUND 15 MPH.
CLEARING INDEX......600.
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (5-15 PERCENT CLOUD COVER).
CWR.................0 PERCENT.
CHANCE OF PCPN......0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MIN TEMPERATURE.....34-37.
MAX HUMIDITY........36-39 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 5-10 MPH WITH GUSTS TO AROUND
18 MPH.
MIXING HEIGHT.......0 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 13 TO 15 MPH.
WEDNESDAY
SKY/WEATHER.........MOSTLY SUNNY (15-25 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.....53-56.
MIN HUMIDITY........17-20 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 6-10 MPH WITH GUSTS UP TO 22 MPH.
MIXING HEIGHT.......2500 FT AGL.
CLIMATOLOGY......20-30TH PERCENTILE.
TRANSPORT WINDS.....SOUTHWEST AROUND 22 MPH BECOMING AROUND 33 MPH
IN THE AFTERNOON.
CLEARING INDEX......750.
FORECASTER...CHENG
REQUESTED BY...TREVOR JOHNSON
TYPE OF REQUEST...PRESCRIBED
.TAG 2525039.0/SLC
.DELDT 11/04/25
.FORMATTERVERSION 2.0.0
.EMAIL TREVOR.JOHNSON@USDA.GOV
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