057
FXUS65 KSLC 031204
AFDSLC
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
604 AM MDT MON AUG 3 2026
KEY MESSAGES, ISSUED 1032 PM MDT SUN AUG 2 2026
- VERY HOT TEMPERATURES WILL BRING AN INCREASED THREAT OF HEAT
RELATED ILLNESS TO PORTIONS OF SOUTHERN AND EASTERN UTAH MONDAY.
SEE EXCESSIVE HEAT WARNINGS AND HEAT ADVISORIES FOR MORE
INFORMATION.
- CRITICAL FIRE WEATHER CONDITIONS WILL CONTINUE ACROSS EASTERN
AND SOUTH CENTRAL UTAH AHEAD OF A DRY COLD FRONT MONDAY
AFTERNOON AND EVENING.
- ACROSS THE SAN RAFAEL SWELL AND WESTERN UINTA BASIN, GUSTY
NORTHWEST WINDS AND LOW HUMIDITIES WILL CONTINUE TO BRING
CRITICAL FIRE WEATHER CONDITIONS THROUGH TUESDAY. ELEVATED TO
LOCALLY CRITICAL FIRE WEATHER CONDITIONS WILL CONTINUE IN THESE
AREAS INTO WEDNESDAY.
- THERE IS A MARGINAL RISK OF EXCESSIVE RAINFALL THURSDAY FOR
PORTIONS OF SOUTHWEST AND SOUTH CENTRAL UTAH. HIGHEST THREAT
AREAS WILL BE SLOT CANYONS, NORMALLY DRY WASHES AND RECENT BURN
SCARS.
DISCUSSION, ISSUED 1032 PM MDT SUN AUG 2 2026
THE FORECAST FOR THE NEXT SEVERAL DAYS WILL BE HOT,
DRY, WITH INCREASINGLY SMOKY SKIES FOR PORTIONS OF THE STATE. A
DRY COLD FRONT WILL CONTINUE TO SHIFT SOUTH ACROSS NORTHERN AND
CENTRAL UTAH THROUGH MONDAY MORNING, SLOWING OR STALLING ACROSS
CENTRAL UTAH WAITING UNTIL THE UPPER LEVEL TROUGH SHIFTS INTO THE
HIGH PLAINS BEFORE FINALLY CLEARING SOUTHERN UTAH LATE MONDAY INTO
EARLY TUESDAY.
THE WIDEMOUTH 2 WILDFIRE HAS PRODUCED PROLIFIC SMOKE ACROSS
CENTRAL UTAH THIS AFTERNOON AND EVENING. SMOKE MODELING SHIFTS
THIS SMOKE INTO THE NEPHI AREA AND EAST INTO THE UPPER SANPETE
VALLEY, CASTLE COUNTRY AND THE WASATCH PLATEAU OVERNIGHT. THIS
WILL CAUSE DECREASING AIR QUALITY AS WELL AS REDUCED VISIBILITY
IN THESE AREAS. PRICE AIRPORT HAS BEEN REPORTING PERIODS OF
VISIBILITY NEAR 4-5SM...AND THIS MAY WORSEN OVERNIGHT.
ADDITIONAL WILDFIRES TO THE NORTH AND WEST OF UTAH WILL BRING
SMOKE ALOFT INTO MUCH OF UTAH OVER THE NEXT SEVERAL DAYS. THE
UTAH DEPARTMENT OF ENVIRONMENTAL QUALITY IS FORECASTING SEVERAL
MONITORED BASINS ACROSS NORTHERN UTAH TO CONTINUE TO SEE
CONDITIONS MEETING THE ORANGE/UNHEALTHY FOR SENSITIVE GROUPS
THRESHOLD THROUGH AT LEAST MONDAY IF NOT TUESDAY DEPENDING ON THE
BASIN. ASIDE FROM AIR QUALITY CONCERNS, SMOKE IN THE AREA WILL
ALSO REDUCE VISIBILITY. FOR MORE INFORMATION ON HOW TO MITIGATE
THE HEALTH IMPACTS OF SMOKE, PLEASE SEE AIR.UTAH.GOV.
HAZY CONDITIONS FROM SMOKE ARE LIKELY TO CONTINUE THROUGH AT LEAST
WEDNESDAY ACROSS THE REGION...WITH THE WORST CONDITIONS NEAR
ACTIVE LOCAL WILDFIRES LIKE THE WIDEMOUTH 2.
AS FAR AS HEAT, EXCESSIVE HEAT WARNINGS WERE EXTENDED THROUGH
MONDAY ACROSS THE LOWER WASHINGTON COUNTY AND ZION NATIONAL PARK
AREAS. TEMPERATURES MAY BE 1 TO 2 DEGREES LOWER THAN SUNDAY,
HOWEVER, OVERNIGHT LOWS WILL REMAIN NEAR TO ABOVE 80F,
EXASPERATING CUMULATIVE HEAT STRESS. OTHERWISE, GOING HEAT
HEADLINES REMAINED IN PLACE.
RED FLAG WARNINGS REMAIN IN EFFECT FOR PORTIONS OF EASTERN AND
SOUTHERN UTAH MONDAY AND TUESDAY. SEE THE FIRE WEATHER DISCUSSION
FOR MORE INFORMATION.
AS A PORTION OF THE ENSEMBLE SUITE CONTINUES TO SUGGEST MONSOONAL
MOISTURE WILL BUILD INTO SOUTHWEST AND SOUTH CENTRAL UTAH BY
THURSDAY. THE WEATHER PREDICTION CENTER HAS OUTLOOKED THIS AREA IN
A MARGINAL RISK FOR EXCESSIVE RAINFALL THURSDAY AFTERNOON INTO
THURSDAY NIGHT.
AVIATION
KSLC...NORTHWEST WINDS AND VFR CONDITIONS ARE FORECAST TO PERSIST AT
KSLC FOLLOWING THE PASSAGE OF A COLD FRONT. THE NEXT WIND SHIFT IS
EXPECTED AROUND 04Z WITH SOUTHERLY DRAINAGE FLOW DEVELOPING.
REST OF UTAH AND SOUTHWEST WYOMING...WINDS WILL GRADUALLY BECOME
NORTHWESTERLY ACROSS NEARLY ALL OF OUR TAF SITES WITHIN THE PERIOD
AS A COLD FRONT CONTINUES TO SWEEP ACROSS THE AREA. PERIODIC GUSTS
TO AROUND 20KTS ARE POSSIBLE ACROSS MOST SITES WITH THE HIGHEST
CONFIDENCE OF THIS OCCURRING AT KPVU AND KEVW THIS AFTERNOON.
ADDITIONALLY, KHCR MAY CONTINUE TO SEE BORDERLINE IFR VSBYS THIS
MORNING AS SMOKE FROM THE PNW WILDFIRES CONTINUES TO OVERSPREAD THE
REGION. THE SMOKE SHOULD BEGIN TO ERODE FOLLOWING SUNRISE, IMPROVING
CONDITIONS TO VFR.
FIRE WEATHER, ISSUED 453 AM MDT MON AUG 3 2026
A COLD FRONT IS CURRENTLY PROGRESSING ACROSS
NORTHERN UT INTO CENTRAL UT THIS MORNING AND WILL CONTINUE
PROGRESSING SOUTHEAST THROUGH THIS AFTERNOON. THIS WILL RESULT IN
A WIND SHIFT TO NORTHWESTERLY WITH A MODEST IMPROVEMENT TO
HUMIDITIES, PRIMARILY ACROSS HIGHER ELEVATION LOCATIONS. AREAS
CURRENTLY SOUTHEAST OF THE COLD FRONT WILL CONTINUE TO SEE
CRITICAL FIRE WEATHER CONDITIONS THIS AFTERNOON GIVEN LITTLE TO NO
OVERNIGHT RECOVERIES AND PERSISTENT BREEZY CONDITIONS. BY TUESDAY
AFTERNOON, THE COLD FRONT WILL HAVE CROSSED THROUGH UT, THOUGH
BREEZY WINDS WILL PERSIST BRINGING ANOTHER ROUND OF CRITICAL FIRE
WEATHER CONDITIONS TO THE SAN RAFAEL SWELL AND WESTERN UINTA BASIN
TUESDAY AFTERNOON THROUGH THE EVENING. ADDITIONALLY, ELEVATED TO
LOCALLY CRITICAL FIRE WEATHER CONDITIONS WILL PERSIST ACROSS BOTH
AFOREMENTIONED LOCATIONS WEDNESDAY AS WE REMAIN DRY AND BREEZY.
SLC WATCHES/WARNINGS/ADVISORIES
UT...RED FLAG WARNING UNTIL 9 PM MDT TUESDAY FOR UTZ482.
HEAT ADVISORY UNTIL 9 PM MDT THIS EVENING FOR UTZ114-120-121.
RED FLAG WARNING FROM NOON TODAY TO 9 PM MDT TUESDAY FOR UTZ489.
RED FLAG WARNING UNTIL 10 PM MDT THIS EVENING FOR UTZ481-483-484-
498.
EXTREME HEAT WARNING UNTIL 9 PM MDT THIS EVENING FOR UTZ123-124-
128>131.
WY...RED FLAG WARNING UNTIL 9 PM MDT THIS EVENING FOR WYZ277.
PUBLIC...
AVIATION...WORSTER
FIRE WEATHER...WORSTER
FOR MORE INFORMATION FROM NOAA'S NATIONAL WEATHER SERVICE VISIT...
HTTP://WEATHER.GOV/SALTLAKECITY
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