100
FNUS75 KSLC 081822
FWSSLC
SPOT FORECAST FOR ADDYS...USFS
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
1122 AM MST MON DEC 8 2025
FORECAST IS BASED ON IGNITION TIME OF 1000 MST ON DECEMBER 09.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
A GRAZING STORM SYSTEM WILL ENHANCE WINDS TO BRING CLEARING
INDEX VALUES TO GREATER THAN 500 TUESDAY AND WEDNESDAY.
PRECIPITATION CHANCES WILL INCREASE TUESDAY AFTERNOON, WITH
PRECIPITATION CONTINUING MUCH OF WEDNESDAY. IT WILL LIKELY START
AS A RAIN AND SNOW MIX, THEN TRANSITION TO ALL RAIN TUESDAY
AFTERNOON. WATER VALUES WILL RANGE FROM 0.15-0.40 INCH BY WHEN
RAIN ENDS LATER WEDNESDAY.
TUESDAY
SKY/WEATHER.........PARTLY CLOUDY (60-70 PERCENT CLOUD COVER) THEN
BECOMING MOSTLY CLOUDY (70-80 PERCENT CLOUD
COVER). CHANCE OF RAIN AND SNOW LATE IN THE
MORNING, THEN RAIN LIKELY AND SLIGHT CHANCE OF
SNOW IN THE AFTERNOON.
CWR.................30 PERCENT.
CHANCE OF PCPN......60 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....42-44.
MIN HUMIDITY........60-65 PERCENT.
WIND (20 FT)........WEST WINDS 8-15 MPH WITH GUSTS TO AROUND 30
MPH.
MIXING HEIGHT.......2200 FT AGL.
CLIMATOLOGY......20-30TH PERCENTILE.
TRANSPORT WINDS.....WEST AROUND 20 MPH.
CLEARING INDEX......520.
TUESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT CLOUD COVER). RAIN
LIKELY IN THE EVENING, THEN CHANCE OF RAIN LATE
IN THE EVENING.
CWR.................40 PERCENT.
CHANCE OF PCPN......60 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MIN TEMPERATURE.....34-36.
MAX HUMIDITY........88-93 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 5-10 MPH WITH GUSTS TO AROUND
20 MPH.
MIXING HEIGHT.......1600 FT AGL.
TRANSPORT WINDS.....WEST AROUND 18 MPH.
WEDNESDAY
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT CLOUD COVER).
CHANCE OF RAIN, THEN SLIGHT CHANCE OF RAIN LATE
IN THE AFTERNOON.
CWR.................30 PERCENT.
CHANCE OF PCPN......50 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....47-49.
MIN HUMIDITY........55-60 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 8-15 MPH WITH GUSTS TO AROUND
25 MPH.
MIXING HEIGHT.......2400 FT AGL.
CLIMATOLOGY......20-30TH PERCENTILE.
TRANSPORT WINDS.....WEST AROUND 20 MPH.
CLEARING INDEX......520.
FORECASTER...WILSON
REQUESTED BY...GARRETT PITSENBARGER
TYPE OF REQUEST...PRESCRIBED
.TAG 2527179.0/SLC
.DELDT 12/08/25
.FORMATTERVERSION 2.0.0
.EMAIL GARRETT.PITSENBARGER@USDA.GOV
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