237
FNUS75 KSLC 091247
FWSSLC
SPOT FORECAST FOR NORTH ZONE TIMBER PILES...USFS
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
547 AM MST TUE DEC 9 2025
FORECAST IS BASED ON IGNITION TIME OF 0600 MST ON DECEMBER 09.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
A DRY AND STABLE NORTHWESTERLY FLOW WILL REMAIN
OVER THE AREA THROUGH THE END OF THE WEEK. RELATIVE HUMIDITIES ARE
EXPECTED TO INCREASE A BIT TONIGHT INTO TOMORROW BUT PRECIPITATION
IS NOT EXPECTED. MIXING HEIGHTS REMAIN VERY LOW, RESULTING IN LOW
CLEARING INDEX BOTH TODAY AND TOMORROW. AS WINDS CONTINUE TO
DECREASE THROUGH THE REST OF THE WEEK, CLEARING INDEX LOOK TO
REMAIN BELOW 500.
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.....41-44.
MIN HUMIDITY........42-45 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 6-12 MPH.
MIXING HEIGHT.......1900 FT AGL.
CLIMATOLOGY......20-30TH PERCENTILE.
TRANSPORT WINDS.....WEST 9 TO 18 MPH.
CLEARING INDEX......290.
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.....27-30.
MAX HUMIDITY........81-84 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 5-10 MPH.
MIXING HEIGHT.......400 FT AGL.
TRANSPORT WINDS.....NORTHWEST 12 TO 14 MPH.
WEDNESDAY
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT CLOUD COVER) THEN
BECOMING MOSTLY SUNNY (20-30 PERCENT CLOUD
COVER).
CWR.................0 PERCENT.
CHANCE OF PCPN......0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....44-47.
MIN HUMIDITY........57-60 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 5-10 MPH.
MIXING HEIGHT.......1900 FT AGL.
CLIMATOLOGY......20-30TH PERCENTILE.
TRANSPORT WINDS.....NORTHWEST 9 TO 12 MPH.
CLEARING INDEX......180.
FORECASTER...CHENG
REQUESTED BY...KYLER HATCH
TYPE OF REQUEST...PRESCRIBED
.TAG 2527112.3/SLC
.DELDT 12/09/25
.FORMATTERVERSION 2.0.0
.EMAIL KYLER.HATCH@USDA.GOV
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page