545
WWUS75 KSLC 091655
NPWSLC
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
1055 AM MDT THU JUL 9 2026
UTZ101>108-114-116-118>121-100900-
/O.UPG.KSLC.XH.A.0001.260711T1800Z-260713T0300Z/
/O.NEW.KSLC.XH.W.0001.260711T1800Z-260714T1200Z/
GREAT SALT LAKE DESERT AND MOUNTAINS-TOOELE AND RUSH VALLEYS-
EASTERN BOX ELDER COUNTY-NORTHERN WASATCH FRONT-SALT LAKE VALLEY-
UTAH VALLEY-CACHE VALLEY/UTAH PORTION-WASATCH BACK-WESTERN UINTA
BASIN-EASTERN JUAB/MILLARD COUNTIES-SANPETE VALLEY-SEVIER VALLEY-
CASTLE COUNTRY-SAN RAFAEL SWELL-
INCLUDING THE FOLLOWING LOCATIONS - GREEN RIVER, SALINA, LEHI,
EMERY, RICHFIELD, VERNON, HUNTSVILLE, LOGAN, SNOWVILLE, PARK
CITY, BRIGHAM CITY, SMITHFIELD, GRANTSVILLE, EPHRAIM, GOBLIN
VALLEY, NEPHI, TOOELE, DUCHESNE, PAYSON, ROOSEVELT, PROVO, MANTI,
SCIPIO, HEBER CITY, SANDY, WENDOVER, OGDEN, PARK VALLEY, SALT
LAKE CITY, BOUNTIFUL, PRICE, FILLMORE, CASTLE DALE, DUGWAY, MT
PLEASANT, AND WEST JORDAN
1055 AM MDT THU JUL 9 2026
...EXTREME HEAT WARNING IN EFFECT FROM NOON SATURDAY TO 6 AM MDT
TUESDAY...
* WHAT...DANGEROUSLY HOT CONDITIONS WITH TEMPERATURES UP TO 105
POSSIBLE FOR THE VALLEYS OF NORTHERN UTAH, INCLUDING THE WASATCH
FRONT AND CACHE VALLEY. HIGHS AROUND 100 POSSIBLE FOR THE MOUNTAIN
VALLEYS OF NORTHERN AND CENTRAL UTAH, INCLUDING THE WASATCH BACK,
ALONG CASTLE COUNTRY, THE UINTA BASIN, AND THE SAN RAFAEL SWELL.
* WHERE...PORTIONS OF CENTRAL AND NORTHERN UTAH.
* WHEN...FROM NOON SATURDAY TO 6 AM MDT TUESDAY.
* IMPACTS...HEAT RELATED ILLNESSES INCREASE SIGNIFICANTLY DURING
EXTREME HEAT EVENTS.
* ADDITIONAL DETAILS...THERE IS HIGH CONFIDENCE THAT TEMPERATURES
WILL WARM TO VALUES CHALLENGING DAILY AND MONTHLY HIGH TEMPERATURE
RECORDS SATURDAY AND SUNDAY AFTERNOONS AS HIGH PRESSURE BUILDS.
OVERNIGHT LOWS IN THE LOWER TO MID 70S FOR MANY VALLEY LOCATIONS
WILL PROVIDE LITTLE IN THE WAY OF OVERNIGHT RELIEF.
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.
DO NOT LEAVE YOUNG CHILDREN AND PETS IN UNATTENDED VEHICLES. CAR
INTERIORS WILL REACH LETHAL TEMPERATURES IN A MATTER OF MINUTES.
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.
UTZ115-122-128>131-100900-
/O.UPG.KSLC.XH.A.0001.260711T1800Z-260713T0300Z/
/O.NEW.KSLC.XH.W.0001.260711T1800Z-260713T1200Z/
WESTERN MILLARD AND JUAB COUNTIES-SOUTHWEST UTAH-SOUTH CENTRAL
UTAH-CAPITOL REEF NATIONAL PARK AND VICINITY-WESTERN CANYONLANDS-
GLEN CANYON RECREATION AREA/LAKE POWELL-
INCLUDING THE FOLLOWING LOCATIONS - HANKSVILLE, LITTLE SAHARA,
DELTA, MILFORD, BIG WATER, CEDAR CITY, ESCALANTE, BEAVER, LOA,
KANAB, BULLFROG, AND TORREY
1055 AM MDT THU JUL 9 2026
...EXTREME HEAT WARNING IN EFFECT FROM NOON SATURDAY TO 6 AM MDT
MONDAY...
* WHAT...DANGEROUSLY HOT CONDITIONS EXPECTED, WITH HIGHS AROUND 100
POSSIBLE FOR MOST CENTRAL AND SOUTHERN UTAH VALLEYS AND UP TO 110
FOR LOWER WASHINGTON COUNTY AND GLEN CANYON RECREATION AREA.
* WHERE...WESTERN MILLARD AND JUAB COUNTIES, CAPITOL REEF NATIONAL
PARK AND VICINITY, GLEN CANYON RECREATION AREA/LAKE POWELL, SOUTH
CENTRAL UTAH, WESTERN CANYONLANDS, AND SOUTHWEST UTAH.
* WHEN...FROM NOON SATURDAY TO 6 AM MDT MONDAY.
* IMPACTS...HEAT RELATED ILLNESSES INCREASE SIGNIFICANTLY DURING
EXTREME HEAT EVENTS.
* ADDITIONAL DETAILS...THERE IS HIGH CONFIDENCE THAT TEMPERATURES
WILL WARM TO VALUES CHALLENGING DAILY AND MONTHLY HIGH TEMPERATURE
RECORDS SATURDAY AND SUNDAY AFTERNOONS AS HIGH PRESSURE BUILDS.
OVERNIGHT LOWS IN THE LOWER TO MID 70S FOR MANY VALLEY LOCATIONS,
EXCEPT LOW 80S FOR LOWER WASHINGTON COUNTY, WILL PROVIDE LITTLE IN
THE WAY OF OVERNIGHT RELIEF.
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.
DO NOT LEAVE YOUNG CHILDREN AND PETS IN UNATTENDED VEHICLES. CAR
INTERIORS WILL REACH LETHAL TEMPERATURES IN A MATTER OF MINUTES.
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.
WYZ021-100900-
/O.NEW.KSLC.HT.Y.0002.260712T1800Z-260714T0300Z/
SOUTHWEST WYOMING-
INCLUDING THE FOLLOWING LOCATIONS - LYMAN AND EVANSTON
1055 AM MDT THU JUL 9 2026
..HEAT ADVISORY IN EFFECT FROM NOON SUNDAY TO 9 PM MDT MONDAY
* WHAT...TEMPERATURES UP TO 98 EXPECTED.
* WHERE...SOUTHWEST WYOMING.
* WHEN...FROM NOON SUNDAY TO 9 PM MDT MONDAY.
* IMPACTS...HOT TEMPERATURES MAY CAUSE HEAT ILLNESSES.
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
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