723
FNUS75 KSLC 121128
FWSSLC
SPOT FORECAST FOR ROCKY CANYON...NUIFC
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
528 AM MDT WED AUG 12 2026
FORECAST IS BASED ON FORECAST START TIME OF 0600 MDT ON AUGUST 12.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
WITH HIGH PRESSURE OVER THE FOUR CORNERS AGAIN,
MONSOON MOISTURE WILL REMAIN IN PLACE. SCATTERED SHOWERS AND
THUNDERSTORMS WILL DEVELOP IN THE VICINITY OF THE FIRE THIS
AFTERNOON INTO THE EVENING. THESE WILL BRING A LOW CHANCE OF
WETTING RAIN AND A HIGHER POTENTIAL OF LIGHTNING AND GUSTY AND
ERRATIC THUNDERSTORM WINDS. THE RIDGE WILL SHIFT EAST TONIGHT,
ALLOWING A STORM SYSTEM TO MOVE THROUGH THURSDAY INTO FRIDAY. THIS
WILL BRING NOTICEABLY COOLER TEMPERATURES, ALONG WITH MORE
WIDESPREAD COVERAGE OF SHOWERS AND THUNDERSTORMS DURING THE DAY
THURSDAY WITH A MUCH IMPROVED POTENTIAL OF WETTING RAINFALL.
BEHIND THE TROUGH, THE AIRMASS SHOULD BECOME GRADUALLY DRIER AND
WARMER THROUGH THE WEEKEND.
TODAY
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT CLOUD COVER) THEN
BECOMING PARTLY CLOUDY (60-70 PERCENT CLOUD
COVER). SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS
IN THE MORNING. CHANCE OF SHOWERS AND THUNDERSTORMS
IN THE AFTERNOON.
CWR.................5 PERCENT.
CHANCE OF PCPN......50 PERCENT.
CHANCE OF LIGHTNING.30 PERCENT.
MAX TEMPERATURE.....75-79.
MIN HUMIDITY........38-42 PERCENT.
WIND (20 FT)........UPSLOPE/UPVALLEY WINDS 3-7 MPH. GUSTY AND ERRATIC
WINDS EXPECTED NEAR THUNDERSTORMS.
MIXING HEIGHT.......8200 FT AGL (50-60TH PERCENTILE).
TRANSPORT WINDS.....WEST WINDS 8-12 MPH.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (50-60 PERCENT CLOUD COVER) THEN
BECOMING MOSTLY CLOUDY (70-80 PERCENT CLOUD
COVER). CHANCE OF SHOWERS AND THUNDERSTORMS.
CWR.................15 PERCENT.
CHANCE OF PCPN......40 PERCENT.
CHANCE OF LIGHTNING.20 PERCENT.
MIN TEMPERATURE.....50-54.
MAX HUMIDITY........84-88 PERCENT.
WIND (20 FT)........DOWNSLOPE/DOWNVALLEY WINDS UP TO 5 MPH.
GUSTY AND ERRATIC WINDS EXPECTED NEAR
THUNDERSTORMS.
MIXING HEIGHT.......500 FT AGL.
TRANSPORT WINDS.....SOUTHWEST WINDS 5-10 MPH.
THURSDAY
SKY/WEATHER.........PARTLY CLOUDY (60-70 PERCENT CLOUD COVER) THEN
BECOMING MOSTLY CLOUDY (80-90 PERCENT CLOUD
COVER). CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE MORNING, THEN
RAIN SHOWERS AND CHANCE OF THUNDERSTORMS IN THE
AFTERNOON.
CWR.................75 PERCENT.
CHANCE OF PCPN......90 PERCENT.
CHANCE OF LIGHTNING.50 PERCENT.
MAX TEMPERATURE.....68-72.
MIN HUMIDITY........66-70 PERCENT.
WIND (20 FT)........UPSLOPE/UPVALLEY WINDS 3-7 MPH. GUSTY AND ERRATIC
WINDS EXPECTED NEAR THUNDERSTORMS.
MIXING HEIGHT.......6100 FT AGL (40-50TH PERCENTILE).
TRANSPORT WINDS.....SOUTHWEST WINDS 8-12 MPH.
FORECASTER...TRAPHAGAN
REQUESTED BY...MORGAN MENDENHALL
TYPE OF REQUEST...WILDFIRE
.TAG 2619309.2/SLC
.DELDT 08/12/26
.FORMATTERVERSION 2.0.0
.EMAIL MORGANMENDENHALL@UTAH.GOV
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