426
FNUS75 KSLC 262231
FWSSLC
SPOT FORECAST FOR UPPER VALLEY PILES...USFS
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
331 PM MST THU FEB 26 2026
FORECAST IS BASED ON IGNITION TIME OF 1800 MST ON FEBRUARY 26.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
TONIGHT, WINDS LIGHTEN SOMEWHAT AND BEGIN TO TAKE ON
A MORE WESTERLY COMPONENT WITH BENIGN CONDITIONS THROUGHOUT.
THROUGH TOMORROW, GENERALLY WEST-NORTHWEST WINDS PERSIST AT THE
BURN SITE AND INCREASE SOMEWHAT THROUGH THE AFTERNOON. GUSTS
SHOULD REMAIN LESS THAN 20MPH, THOUGH RIDGELINES AND OTHER EXPOSED
AREAS MAY SEE GUSTS UP TO 20MPH. ADDITIONALLY, CLEARING INDICES
WILL REMAIN ABOVE 500 TOMORROW AFTERNOON. RELATIVE HUMIDITY VALUES
WILL REMAIN QUITE LOW AT THE BURN SITE TOMORROW, GENERALLY WITHIN
THE UPPER TEENS TO LOWER 20S, THOUGH COULD DROP SOMEWHAT LOWER
THAN WHAT IS FORECAST.
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (20-30 PERCENT CLOUD COVER).
CWR.................0 PERCENT.
CHANCE OF PCPN......0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MIN TEMPERATURE.....37-39.
MAX HUMIDITY........30-34 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 6-10 MPH BECOMING WEST 6-8 MPH
OVERNIGHT.
MIXING HEIGHT.......300 FT AGL.
TRANSPORT WINDS.....NORTHWEST 9 TO 12 MPH.
FRIDAY
SKY/WEATHER.........MOSTLY SUNNY (15-25 PERCENT CLOUD COVER).
CWR.................0 PERCENT.
CHANCE OF PCPN......0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....62-64.
MIN HUMIDITY........18-20 PERCENT.
WIND (20 FT)........WEST WINDS 5-8 MPH.
MIXING HEIGHT.......4600 FT AGL.
CLIMATOLOGY......30-40TH PERCENTILE.
TRANSPORT WINDS.....WEST 8 TO 16 MPH.
CLEARING INDEX......650.
FRIDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT CLOUD COVER).
CWR.................0 PERCENT.
CHANCE OF PCPN......0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MIN TEMPERATURE.....40-42.
MAX HUMIDITY........38-42 PERCENT.
WIND (20 FT)........WEST WINDS 6-8 MPH BECOMING NORTHWEST 5-7 MPH
EARLY IN THE EVENING.
MIXING HEIGHT.......200 FT AGL.
TRANSPORT WINDS.....WEST AROUND 14 MPH BECOMING NORTH AROUND 6 MPH
OVERNIGHT.
SATURDAY
SKY/WEATHER.........PARTLY CLOUDY (55-65 PERCENT CLOUD COVER).
CWR.................0 PERCENT.
CHANCE OF PCPN......0 PERCENT.
CHANCE OF LIGHTNING.1 PERCENT.
MAX TEMPERATURE.....63-65.
MIN HUMIDITY........32-34 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 3-7 MPH BECOMING SOUTH 4-10 MPH
LATE IN THE MORNING, THEN BECOMING SOUTHWEST
11-13 MPH LATE IN THE AFTERNOON.
MIXING HEIGHT.......3600 FT AGL.
CLIMATOLOGY......20-30TH PERCENTILE.
TRANSPORT WINDS.....NORTHWEST AROUND 6 MPH BECOMING SOUTHWEST
AROUND 17 MPH IN THE AFTERNOON.
CLEARING INDEX......520.
FORECASTER...WORSTER
REQUESTED BY...SARAH.JORGENSON
TYPE OF REQUEST...PRESCRIBED
.TAG 2604156.0/SLC
.DELDT 02/26/26
.FORMATTERVERSION 2.0.0
.EMAIL SARAH.JORGENSON@USDA.GOV
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