877
FNUS75 KSLC 122152
FWSSLC
SPOT FORECAST FOR ROCKY CANYON...NUIFC
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
352 PM MDT WED AUG 12 2026
FORECAST IS BASED ON FORECAST START TIME OF 0600 MDT ON AUGUST 13.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
MONSOONAL MOISTURE REMAINS IN PLACE TODAY NEAR THE
FIRE WITH AMPLE COVERAGE OF SHOWERS AND THUNDERSTORMS THROUGH THE
MAJORITY OF THIS AFTERNOON INTO THE EVENING HOURS. CURRENTLY,
MOSTLY LIGHT RAIN HAS BEEN OBSERVED NEAR THE FIRE AS STORMS
CONTINUE TO DISSIPATE WITHIN THE VICINITY. HOWEVER, ANOTHER ROUND
OF SHOWERS AND THUNDERSTORMS IS EXPECTED TO OCCUR AROUND
1800-2000, LASTING THROUGH AROUND 0200 BEFORE TAPERING OFF.
A BRIEF LULL IS EXPECTED FOLLOWING THIS, THOUGH COVERAGE WILL
INCREASE MARKEDLY AROUND THE 0900-1200 TIMEFRAME TOMORROW.
ADDITIONALLY, CWR CHANCES INCREASE SUBSTANTIALLY TO AROUND 75%
TOMORROW AFTERNOON AS CHANCES FOR PRECIPITATION FAVOR NORTHERN UT.
WHILE CHANCES FOR PRECIPITATION TAPER OFF SOMEWHAT ON FRIDAY, A
SIMILAR SCENARIO TO TODAY IS EXPECTED TO OCCUR WITH SHOWERS AND
THUNDERSTORMS DEVELOPING AFTER 1200 AND PERSIST INTO THE EARLY
EVENING. COME SATURDAY AND SUNDAY, CHANCES FOR PRECIPITATION
DECREASE TO AROUND 20% OR LESS AS DRY AIR MOVES IN, FAVORING
PRECIPITATION REMAINING ALONG HIGHER TERRAIN.
THURSDAY
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT CLOUD COVER).
CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE MORNING, THEN RAIN SHOWERS
LIKELY AND CHANCE OF THUNDERSTORMS IN THE
AFTERNOON.
CWR.................65 PERCENT.
CHANCE OF PCPN......70 PERCENT.
CHANCE OF LIGHTNING.52 PERCENT.
MAX TEMPERATURE.....73-76.
MIN HUMIDITY........64-67 PERCENT.
WIND (20 FT)........UPSLOPE WINDS 3 TO 6 MPH IN THE AFTERNOON.
GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS.
MIXING HEIGHT.......5500 FT AGL (40-50TH PERCENTILE).
TRANSPORT WINDS.....SOUTHWEST 8 TO 15 MPH.
THURSDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT CLOUD COVER) THEN
BECOMING PARTLY CLOUDY (50-60 PERCENT CLOUD
COVER). RAIN SHOWERS LIKELY AND CHANCE OF
THUNDERSTORMS EARLY IN THE EVENING, THEN SLIGHT
CHANCE OF THUNDERSTORMS IN THE LATE EVENING AND
OVERNIGHT. CHANCE OF RAIN SHOWERS IN THE LATE
EVENING AND OVERNIGHT.
CWR.................45 PERCENT.
CHANCE OF PCPN......60 PERCENT.
CHANCE OF LIGHTNING.31 PERCENT.
MIN TEMPERATURE.....46-48.
MAX HUMIDITY........99-100 PERCENT.
WIND (20 FT)........DOWNSLOPE WINDS 2 TO 5 MPH
IN THE LATE EVENING AND OVERNIGHT. GUSTY AND
ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS IN
THE EVENING AND OVERNIGHT.
MIXING HEIGHT.......400 FT AGL.
TRANSPORT WINDS.....SOUTHWEST AROUND 12 MPH BECOMING SOUTH
OVERNIGHT.
FORECASTER...WORSTER
REQUESTED BY...MORGAN MENDENHALL
TYPE OF REQUEST...WILDFIRE
.TAG 2619568.0/SLC
.DELDT 08/12/26
.FORMATTERVERSION 2.0.0
.EMAIL MORGANMENDENHALL@UTAH.GOV
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