183
WWUS75 KVEF 251212
NPWVEF
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
512 AM PDT SAT JUL 25 2026
AZZ002-570-571-576-CAZ522>527-NVZ016-017-020-022-025-026-261200-
/O.CON.KVEF.XH.W.0002.000000T0000Z-260728T0300Z/
LAKE HAVASU AND FORT MOHAVE-LAKE MEAD - AZ SIDE-LAKE MOHAVE - AZ
SIDE-NORTHWEST DESERTS-DEATH VALLEY NATIONAL PARK-WESTERN MOJAVE
DESERT-EASTERN MOJAVE DESERT-MORONGO BASIN-CADIZ BASIN-SAN
BERNARDINO COUNTY-UPPER COLORADO RIVER VALLEY-NORTHEAST CLARK
COUNTY-WESTERN CLARK AND SOUTHERN NYE COUNTY-LAS VEGAS VALLEY-
SOUTHERN CLARK COUNTY-LAKE MEAD - NV SIDE-LAKE MOHAVE - NV SIDE-
INCLUDING THE CITIES OF YUCCA, TOPOCK, VALENTINE, BOULDER CITY,
CAL-NEV-ARI, AMARGOSA VALLEY, PAHRUMP, NORTH LAS VEGAS,
SEARCHLIGHT, GOLDEN VALLEY, MORONGO VALLEY, KINGMAN, BARSTOW,
SHOSHONE, FORT IRWIN, VIDAL JUNCTION, STOVEPIPE WELLS, MESQUITE,
MOAPA, BAKER, DOLAN SPRINGS, HENDERSON, MITCHELL CAVERNS, FURNACE
CREEK, DESERT ROCK, BULLHEAD CITY, LAS VEGAS, PRIMM, INDIAN SPRINGS,
SOUTH COVE, LAUGHLIN, DESERT HILLS, HOOVER DAM, MOUNTAIN PASS, YUCCA
VALLEY, TWENTYNINE PALMS, OVERTON, DAGGETT, NEEDLES, WIKIEUP, LAKE
HAVASU CITY, AND TEMPLE BAR
512 AM PDT SAT JUL 25 2026 /512 AM MST SAT JUL 25 2026/
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT /8 PM MST/
MONDAY...
* WHAT...DANGEROUSLY HOT CONDITIONS EXPECTED. AFTERNOON TEMPERATURES
IN THE DESERT VALLEYS WILL CLIMB INTO THE 108 TO 114 DEGREE RANGE,
AND MAY EXCEED 115 ALONG THE COLORADO RIVER VALLEY AND 120 IN DEATH
VALLEY. OVERNIGHT LOWS GENERALLY 80 TO 95 DEGREES.
* WHERE...PORTIONS OF NORTHWEST ARIZONA, SOUTHEAST CALIFORNIA, AND
SOUTHERN NEVADA INCLUDING THE GREATER MOJAVE DESERT REGION.
* 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.
AG
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