314
FNUS75 KSLC 221920
FWSSLC
SPOT FORECAST FOR COTTONWOOD 07232026...USFS
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
120 PM MDT WED JUL 22 2026
FORECAST IS BASED ON FORECAST START TIME OF 1400 MDT ON JULY 22.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
CONVECTION HAS BEGUN ON THE EASTERN (PIUTE) SIDE OF THE
COTTONWOOD BURN SCAR. CONVECTION HAS BEEN DELAYED A BIT TODAY ON
THE WESTERN (BEAVER) SIDE GIVEN A STABLE AIRMASS FROM SOME THICKER
CLOUDS THIS MORNING. CONVECTION WILL BECOME MORE LIKELY ON THE
WESTERN SIDE OVER THE NEXT 1 TO 2 HOURS. HIGHEST INTENSITY
RAINFALL CHANCES WILL BE WITHIN A 3 TO 7PM WINDOW. STORM CHANCES
WILL GRADUALLY DECREASE AFTER 9PM WITH DRY CONDITIONS LIKELY AFTER
MIDNIGHT. STORM MOTION WILL GENERALLY BE UP DRAINAGE (WEST TO
EAST) TODAY.
MOISTURE WILL SHIFT FURTHER EAST TOMORROW WITH THE HIGHEST
PRECIPITATION CHANCES ACROSS COLORADO, BUT THERE REMAINS A 30%
CHANCE OF STORMS TOMORROW AFTERNOON FOR THE BURN SCAR. STORMS WILL
HAVE A SIMILAR INITIATION TIME TOMORROW AS THEY DID TODAY WITH A
STORM MOTION STILL REMAINING UP DRAINAGE (WEST TO EAST).
REST OF TODAY
SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT CLOUD COVER). RAIN
SHOWERS WITH THUNDERSTORMS LIKELY.
CWR.................85 PERCENT.
CHANCE OF PCPN......90 PERCENT.
CHANCE OF LIGHTNING.59 PERCENT.
MAX TEMPERATURE.....70-73.
MIN HUMIDITY........80-83 PERCENT.
WIND (20 FT)........WEST/SOUTHWEST WINDS 3 TO 6 MPH. GUSTY AND ERRATIC WINDS
EXPECTED NEAR THUNDERSTORMS.
MIXING HEIGHT.......3700 FT AGL (30-40TH PERCENTILE).
TRANSPORT WINDS.....WEST AROUND 8 MPH.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (50-60 PERCENT CLOUD COVER).
CHANCE OF SHOWERS AND THUNDERSTORMS EARLY IN
THE EVENING BEFORE GRADUALLY DECREASING IN COVERAGE.
CWR.................30 PERCENT.
CHANCE OF PCPN......50 PERCENT.
CHANCE OF LIGHTNING.36 PERCENT.
MIN TEMPERATURE.....54-57.
MAX HUMIDITY........86-89 PERCENT.
WIND (20 FT)........NORTHWEST WINDS UP TO 5 MPH. GUSTY AND ERRATIC
WINDS EXPECTED NEAR THUNDERSTORMS IN THE
EVENING.
MIXING HEIGHT.......600 FT AGL.
TRANSPORT WINDS.....WEST 6 TO 8 MPH.
THURSDAY
SKY/WEATHER.........MOSTLY SUNNY (15-25 PERCENT CLOUD COVER) THEN
BECOMING PARTLY CLOUDY (35-45 PERCENT CLOUD
COVER). SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON.
CWR.................20 PERCENT.
CHANCE OF PCPN......30 PERCENT.
CHANCE OF LIGHTNING.23 PERCENT.
MAX TEMPERATURE.....75-78.
MIN HUMIDITY........51-54 PERCENT.
WIND (20 FT)........NORTHWEST WINDS UP TO 6 MPH. GUSTY AND ERRATIC
WINDS EXPECTED NEAR THUNDERSTORMS IN THE
AFTERNOON.
MIXING HEIGHT.......6500 FT AGL (50-60TH PERCENTILE).
TRANSPORT WINDS.....NORTHWEST 6 TO 9 MPH.
FORECASTER...MAHAN
REQUESTED BY...BRIAN MONROE
TYPE OF REQUEST...WILDFIRE
.TAG 2617954.0/SLC
.DELDT 07/22/26
.FORMATTERVERSION 2.0.0
.EMAIL BRIAN.MONROE@USDA.GOV,BRIAN_WATTS@FIRENET.GOV
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