369
FXUS65 KSLC 170947
AFDSLC
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
347 AM MDT MON AUG 17 2026
KEY MESSAGES, ISSUED 1047 PM MDT SUN AUG 16 2026
- A WARMING TREND WILL CONTINUE THROUGH THE WEEK.
- ELEVATED TO LOCALLY CRITICAL FIRE WEATHER CONDITIONS WILL OCCUR
ACROSS CENTRAL AND SOUTHERN UTAH TUESDAY.
- MOISTURE INCREASES LATE IN THE WEEKEND AND INTO THE WEEKEND.
DISCUSSION, ISSUED 1047 PM MDT SUN AUG 16 2026
MOSTLY DRY AND HOT CONDITIONS WILL CONTINUE FOR
MOST OF THE UPCOMING WEEK AS THE MONSOON MOISTURE TAP REMAINS
CUTOFF GIVEN A BROAD RIDGE DRAPED ACROSS THE SOUTHERN PLAINS.
DIURNAL CONVECTION WILL REMAIN ISOLATED (<30% CHANCE) EACH DAY
WITH MOST OF THIS STAYING CONFINED TO THE TERRAIN.
A WEAK SHORTWAVE WILL BE PASSING THROUGH MONTANA ON TUESDAY. THIS
WILL INCREASE SOUTHWESTERLY FLOW ACROSS THE REGION WITH AFTERNOON
GUSTS 20-25 MPH, AND A SLIGHT INCREASE IN POPS ACROSS FAR
NORTHEASTERN UTAH AND SOUTHWESTERN WYOMING.
THE RIDGE STRENGTHENS ACROSS THE SOUTHWEST LATER THIS WEEK WITH
HIGHS IN THE MID TO UPPER 90S ACROSS MOST VALLEY LOCATIONS ON
THURSDAY AND FRIDAY. THIS RIDGE WILL START TO ADVECT MORE MOISTURE
INTO THE AREA THROUGH THE WEEKEND WHICH WILL HELP TO INCREASE
PRECIPITATION CHANCES ACROSS MOST OF THE AREA WITH TEMPERATURES
REMAINING WARMING THAN NORMAL FOR THIS TIME OF YEAR.
AVIATION, ISSUED 1047 PM MDT SUN AUG 16 2026
KSLC, ISSUED 1047 PM MDT SUN AUG 16 2026...
PREDOMINANTLY VFR CONDITIONS WILL CONTINUE
THROUGH THE TAF PERIOD WITH FEW-SCT MIDLEVEL CLOUDS. SOUTH WINDS
WILL LARGELY PREVAIL THROUGH THE NIGHT INTO MONDAY MORNING.
NORTHWEST WINDS ARE EXPECTED TO RETURN MONDAY AFTERNOON BETWEEN 19-
21Z.
REST OF UTAH AND SOUTHWEST WYOMING...VFR CONDITIONS WILL PREVAIL
AREAWIDE THROUGH THE VALID TAF PERIOD. ISOLATED SHOWERS AND
THUNDERSTORMS ARE EXPECTED TO DEVELOP MONDAY AFTERNOON MAINLY OVER
THE HIGHER TERRAIN. GENERALLY LIGHT WINDS WITH TYPICAL DIURNAL
TRENDS ARE EXPECTED AT AREA TERMINALS.
FIRE WEATHER
A DRIER AIRMASS ACROSS THE STATE TODAY WILL STIFLE
DEVELOPMENT OF AFTERNOON SHOWERS AND THUNDERSTORMS, BUT A WEAK
DISTURBANCE BRUSHING ACROSS NORTHERN UTAH THIS EVENING AND
OVERNIGHT WILL RESULT IN A LINE OF NOCTURNAL SHOWERS AND
THUNDERSTORMS. DRY LOW LEVELS WILL SUPPORT POTENTIAL FOR DRY
LIGHTNING STRIKES AND GUSTY AND ERRATIC OUTFLOW WINDS WITH THESE
STORMS. CONDITIONS BECOME INCREASINGLY HOTTER AND DRIER THROUGH
THE REMAINDER OF THE WORK WEEK AS HIGH PRESSURE STRENGTHENS ACROSS
THE REGION, WITH CONTINUED CRITICALLY DRY CONDITIONS ACROSS LOWER
ELEVATIONS. INCREASING SOUTHWESTERLY WINDS TUESDAY AND WEDNESDAY
WILL RESULT IN AREAS OF ELEVATED TO LOCALLY CRITICAL FIRE WEATHER
CONDITIONS, MAINLY FOR LOWER ELEVATIONS ACROSS CENTRAL AND
SOUTHERN UTAH. WHILE OVERALL DRIER CONDITIONS PREVAIL THROUGH
FRIDAY, LINGERING MID-LEVEL MOISTURE AND SUFFICIENT INSTABILITY
FROM DAYTIME HEATING WILL RESULT IN DAILY CHANCES FOR AFTERNOON
SHOWERS AND THUNDERSTORMS THROUGH THE WEEK. MONSOONAL MOISTURE
LOOKS TO SPREAD BACK INTO THE REGION THIS WEEKEND, RESULTING IN AN
UPWARD TREND IN HUMIDITY, WETTING RAIN CHANCES, AND THUNDERSTORM
PROBABILITY.
SLC WATCHES/WARNINGS/ADVISORIES
UT...NONE.
WY...NONE.
PUBLIC...MAHAN
AVIATION...CHENG
FIRE WEATHER...WHITLAM
FOR MORE INFORMATION FROM NOAA'S NATIONAL WEATHER SERVICE VISIT...
HTTP://WEATHER.GOV/SALTLAKECITY
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