213
WWUS75 KVEF 100249
NPWVEF
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
749 PM PDT SUN AUG 9 2026
AZZ001-575-576-CAZ523>526-581-582-NVZ014-015-022-100400-
/O.EXP.KVEF.XH.W.0003.000000T0000Z-260810T0300Z/
NORTHWEST PLATEAU-HUALAPAI MOUNTAINS-NORTHWEST DESERTS-WESTERN
MOJAVE DESERT-EASTERN MOJAVE DESERT-MORONGO BASIN-CADIZ BASIN-
OWENS VALLEY SOUTH-OWENS VALLEY NORTH-ESMERALDA AND CENTRAL NYE
COUNTY-LINCOLN COUNTY-SOUTHERN CLARK COUNTY-
INCLUDING THE CITIES OF MOUNTAIN PASS, PANACA, PIOCHE, PIPE SPRING
NATIONAL MONUMENT, VIDAL JUNCTION, BAKER, BISHOP, RACHEL, VALENTINE,
PRIMM, BEATTY, WESTERN GRAND CANYON, COLORADO CITY, DAGGETT, GOLDEN
VALLEY, HIKO, MORONGO VALLEY, OLANCHA, KINGMAN, SEARCHLIGHT, FORT
IRWIN, WIKIEUP, BARSTOW, DOLAN SPRINGS, MITCHELL CAVERNS, GOLDFIELD,
YUCCA VALLEY, INDEPENDENCE, ALAMO, HUALAPAI PEAK, MT TRUMBULL,
TWENTYNINE PALMS, YUCCA, LONE PINE,
SILVER PEAK, CAL-NEV-ARI, CALIENTE, DYER, AND TUWEEP
749 PM PDT SUN AUG 9 2026 /749 PM MST SUN AUG 9 2026/
...EXTREME HEAT WARNING WILL EXPIRE AT 8 PM PDT /8 PM MST/ THIS
EVENING...
THE HEAT ADVISORY HAS BEEN ALLOWED TO EXPIRE. TEMPERATURES HAVE
FALLEN BELOW WARNING CRITERIA. PLEASE CONTINUE TO USE CAUTION WHEN
OUTDOORS BY ENSURING ACCESS TO EFFECTIVE COOLING AND ADEQUATE
HYDRATION.
CAZ519-521-NVZ018-019-100400-
/O.EXP.KVEF.HT.Y.0002.000000T0000Z-260810T0300Z/
EASTERN SIERRA SLOPES-WHITE MOUNTAINS OF INYO COUNTY-SHEEP RANGE-
SPRING MOUNTAINS-RED ROCK CANYON-
INCLUDING THE CITIES OF WHITNEY PORTAL, RED ROCK CANYON, MT
CHARLESTON, HAYFORD PK, BRISTLECONE PINE, WESTGARD PASS, AND
ASPENDELL
749 PM PDT SUN AUG 9 2026
..HEAT ADVISORY WILL EXPIRE AT 8 PM PDT THIS EVENING
THE HEAT ADVISORY HAS BEEN ALLOWED TO EXPIRE. TEMPERATURES HAVE
FALLEN BELOW ADVISORY CRITERIA. PLEASE CONTINUE TO USE CAUTION WHEN
OUTDOORS BY ENSURING ACCESS TO EFFECTIVE COOLING AND ADEQUATE
HYDRATION.
AZZ002-570-571-CAZ522-527-NVZ016-017-020-025-026-101500-
/O.CON.KVEF.XH.W.0003.000000T0000Z-260811T0300Z/
LAKE HAVASU AND FORT MOHAVE-LAKE MEAD - AZ SIDE-LAKE MOHAVE - AZ
SIDE-DEATH VALLEY NATIONAL PARK-SAN BERNARDINO COUNTY-UPPER
COLORADO RIVER VALLEY-NORTHEAST CLARK COUNTY-WESTERN CLARK AND
SOUTHERN NYE COUNTY-LAS VEGAS VALLEY-LAKE MEAD - NV SIDE-LAKE
MOHAVE - NV SIDE-
INCLUDING THE CITIES OF MOAPA, LAS VEGAS, FURNACE CREEK, AMARGOSA
VALLEY, TEMPLE BAR, LAUGHLIN, STOVEPIPE WELLS, HOOVER DAM, MESQUITE,
TOPOCK, SHOSHONE, NORTH LAS VEGAS, NEEDLES, INDIAN SPRINGS,
HENDERSON, LAKE HAVASU CITY, BOULDER CITY, DESERT HILLS, OVERTON,
BULLHEAD CITY, PAHRUMP, SOUTH COVE, AND DESERT ROCK
749 PM PDT SUN AUG 9 2026 /749 PM MST SUN AUG 9 2026/
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT /8 PM MST/
MONDAY...
* WHAT...DANGEROUSLY HOT CONDITIONS WITH HIGHS OF 110 TO 115 IN THE
LAS VEGAS VALLEY, PAHRUMP, MOAPA VALLEY, AND THE COLORADO RIVER
VALLEY, AND UP TO 120 IN DEATH VALLEY. WARM OVERNIGHT TEMPERATURES
WILL RESULT IN LITTLE RELIEF OVERNIGHT.
* WHERE...LAKE MOHAVE, LAKE MEAD, LOWER COLORADO RIVER VALLEY / LAKE
HAVASU, DEATH VALLEY NATIONAL PARK, NORTHEAST CLARK COUNTY, WESTERN
CLARK AND SOUTHERN NYE COUNTY, AND LAS VEGAS VALLEY.
* WHEN...UNTIL 8 PM PDT /8 PM MST/ MONDAY.
* IMPACTS...HEAT RELATED ILLNESSES INCREASE SIGNIFICANTLY DURING
EXTREME HEAT EVENTS.
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.
MONITOR THE LATEST FORECASTS AND WARNINGS FOR UPDATES.
STESSMAN
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