916
WWUS75 KVEF 220247
NPWVEF
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
747 PM PDT SAT MAR 21 2026
CAZ520-NVZ014-015-220400-
/O.EXP.KVEF.HT.Y.0001.000000T0000Z-260322T0300Z/
OWENS VALLEY-ESMERALDA AND CENTRAL NYE COUNTY-LINCOLN COUNTY-
INCLUDING THE CITIES OF SILVER PEAK, HIKO, INDEPENDENCE, LONE
PINE, BEATTY, OLANCHA, RACHEL, ALAMO, PIOCHE, PANACA, BISHOP,
DYER, CALIENTE, AND GOLDFIELD
747 PM PDT SAT MAR 21 2026
..HEAT ADVISORY WILL EXPIRE AT 8 PM PDT THIS EVENING
TEMPERATURES WILL LOWER A FEW DEGREES SUNDAY AND EARLY NEXT WEEK
BRINGING AN END TO THE CURRENT HEAT ADVISORY. TEMPERATURES ARE STILL
EXPECTED TO REMAIN WELL ABOVE NORMAL THROUGH MUCH OF NEXT WEEK.
AZZ001>003-036-CAZ522>527-NVZ016-017-020>022-230300-
/O.CON.KVEF.XH.W.0001.000000T0000Z-260323T0300Z/
NORTHWEST PLATEAU-LAKE HAVASU AND FORT MOHAVE-NORTHWEST DESERTS-
LAKE MEAD NATIONAL RECREATION AREA-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-LAKE MEAD NATIONAL RECREATION AREA-SOUTHERN CLARK COUNTY-
INCLUDING THE CITIES OF BULLHEAD CITY, AMARGOSA VALLEY, MOUNTAIN
PASS, DOLAN SPRINGS, TWENTYNINE PALMS, BAKER, HENDERSON, PRIMM,
DESERT HILLS, NEEDLES, SEARCHLIGHT, PAHRUMP, NORTH LAS VEGAS, MT
TRUMBULL, BOULDER CITY, TOPOCK, KINGMAN, YUCCA VALLEY, OVERTON,
VALENTINE, DESERT ROCK, STOVEPIPE WELLS, CAL-NEV-ARI, PIPE SPRING
NATIONAL MONUMENT, OATMAN, FURNACE CREEK, MOHAVE VALLEY, MORONGO
VALLEY, SHOSHONE, MOAPA, HOOVER DAM, YUCCA, BARSTOW, LAUGHLIN,
MESQUITE, COLORADO CITY, TUWEEP, INDIAN SPRINGS, LAKE HAVASU
CITY, WESTERN GRAND CANYON, WIKIEUP, DAGGETT, MITCHELL CAVERNS,
FORT IRWIN, GOLDEN VALLEY, VIDAL JUNCTION, AND LAS VEGAS
747 PM PDT SAT MAR 21 2026 /747 PM MST SAT MAR 21 2026/
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT /8 PM MST/
SUNDAY...
* WHAT...DANGEROUSLY HOT TEMPERATURES CLIMBING TO NEAR-30 DEGREES
ABOVE SEASONAL NORMALS.
* WHERE...PORTIONS OF NORTHWEST ARIZONA, SOUTHEAST CALIFORNIA, AND
SOUTHERN NEVADA.
* WHEN...UNTIL 8 PM PDT /8 PM MST/ SUNDAY.
* IMPACTS...HEAT-RELATED ILLNESSES INCREASE SIGNIFICANTLY DURING
EXTREME HEAT EVENTS.
* ADDITIONAL DETAILS...EXTREME EARLY-SEASON HEAT COUPLED WITH HIGH
TOURISM RATES WILL MAKE THIS HEAT VERY DANGEROUS, PARTICULARLY FOR
THOSE NOT ACCLIMATED TO THE HEAT AND/OR TRAVELING FROM COOLER
CLIMATES. NUMEROUS DAILY AND MONTHLY HEAT RECORDS ARE IN JEOPARDY
THROUGH AT LEAST SUNDAY.
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.
FOR MORE INFORMATION FROM THE NATIONAL WEATHER SERVICE VISIT
HTTP://WEATHER.GOV/LASVEGAS
AG
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