323
WWUS75 KSLC 210343
NPWSLC
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
943 PM MDT THU AUG 20 2026
UTZ101>106-211845-
/O.CON.KSLC.HT.Y.0008.000000T0000Z-260822T1300Z/
GREAT SALT LAKE DESERT AND MOUNTAINS-TOOELE AND RUSH VALLEYS-
EASTERN BOX ELDER COUNTY-NORTHERN WASATCH FRONT-SALT LAKE VALLEY-
UTAH VALLEY-
INCLUDING THE FOLLOWING LOCATIONS - DUGWAY, LEHI, SALT LAKE CITY,
WENDOVER, WEST JORDAN, VERNON, BRIGHAM CITY, OGDEN, BOUNTIFUL,
PAYSON, PROVO, SANDY, GRANTSVILLE, PARK VALLEY, TOOELE, AND SNOWVILLE
943 PM MDT THU AUG 20 2026
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 AM MDT SATURDAY
* WHAT...HIGH TEMPERATURES TO AROUND 100 DEGREES EXPECTED ALONGSIDE
OVERNIGHT LOW TEMPERATURES IN THE LOW- TO MID-70S.
* WHERE...THE WASATCH FRONT, GREAT SALT LAKE DESERT AND MOUNTAINS,
AND TOOELE AND RUSH VALLEYS.
* WHEN...UNTIL 7 AM MDT SATURDAY.
* IMPACTS...HOT TEMPERATURES MAY CAUSE HEAT ILLNESS. WARM OVERNIGHT
TEMPERATURES WILL LIMIT THE AMOUNT OF RELIEF FROM THE HOT DAYTIME
TEMPERATURES, BRINGING A PERIOD OF PROLONGED HEAT EXPOSURE,
ESPECIALLY FOR VULNERABLE POPULATIONS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DRINK PLENTY OF FLUIDS, STAY IN AN AIR-CONDITIONED ROOM, STAY OUT OF
THE SUN, AND CHECK UP ON RELATIVES AND NEIGHBORS.
TAKE EXTRA PRECAUTIONS WHEN OUTSIDE. WEAR LIGHTWEIGHT AND LOOSE
FITTING CLOTHING. TRY TO LIMIT STRENUOUS ACTIVITIES TO EARLY MORNING
OR EVENING. TAKE ACTION WHEN YOU SEE SYMPTOMS OF HEAT EXHAUSTION AND
HEAT STROKE.
TO REDUCE RISK DURING OUTDOOR WORK, THE OCCUPATIONAL SAFETY AND
HEALTH ADMINISTRATION RECOMMENDS SCHEDULING FREQUENT REST BREAKS IN
SHADED OR AIR CONDITIONED ENVIRONMENTS. ANYONE OVERCOME BY HEAT
SHOULD BE MOVED TO A COOL AND SHADED LOCATION. HEAT STROKE IS AN
EMERGENCY! CALL 9 1 1.
UTZ115-116-211300-
/O.CON.KSLC.HT.Y.0008.000000T0000Z-260821T1300Z/
WESTERN MILLARD AND JUAB COUNTIES-EASTERN JUAB/MILLARD COUNTIES-
INCLUDING THE FOLLOWING LOCATIONS - NEPHI, DELTA, FILLMORE,
SCIPIO, AND LITTLE SAHARA
943 PM MDT THU AUG 20 2026
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 AM MDT FRIDAY
* WHAT...LOW TEMPERATURES IN THE LOW TO MID 70S AFTER HIGH
TEMPERATURES AROUND 100F DURING THE DAY.
* WHERE...EASTERN JUAB/MILLARD COUNTIES AND WESTERN MILLARD AND JUAB
COUNTIES.
* WHEN...UNTIL 7 AM MDT FRIDAY.
* IMPACTS...HOT TEMPERATURES MAY CAUSE HEAT ILLNESS. WARM OVERNIGHT
TEMPERATURES WILL LIMIT THE AMOUNT OF RELIEF FROM THE HOT DAYTIME
TEMPERATURES, BRINGING A PERIOD OF PROLONGED HEAT EXPOSURE,
ESPECIALLY FOR VULNERABLE POPULATIONS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DRINK PLENTY OF FLUIDS, STAY IN AN AIR-CONDITIONED ROOM, STAY OUT OF
THE SUN, AND CHECK UP ON RELATIVES AND NEIGHBORS.
TAKE EXTRA PRECAUTIONS WHEN OUTSIDE. WEAR LIGHTWEIGHT AND LOOSE
FITTING CLOTHING. TRY TO LIMIT STRENUOUS ACTIVITIES TO EARLY MORNING
OR EVENING. TAKE ACTION WHEN YOU SEE SYMPTOMS OF HEAT EXHAUSTION AND
HEAT STROKE.
TO REDUCE RISK DURING OUTDOOR WORK, THE OCCUPATIONAL SAFETY AND
HEALTH ADMINISTRATION RECOMMENDS SCHEDULING FREQUENT REST BREAKS IN
SHADED OR AIR CONDITIONED ENVIRONMENTS. ANYONE OVERCOME BY HEAT
SHOULD BE MOVED TO A COOL AND SHADED LOCATION. HEAT STROKE IS AN
EMERGENCY! CALL 9 1 1.
FOR MORE INFORMATION FROM THE NATIONAL WEATHER SERVICE VISIT
HTTPS://WEATHER.GOV/SALTLAKECITY.
FOR INFORMATION ON POTENTIAL TRAVEL IMPACTS VISIT
HTTP://UDOTTRAFFIC.UTAH.GOV
MT
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