666
WWUS75 KVEF 092214
NPWVEF
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
314 PM PDT WED SEP 9 2026
AZZ002-570-571-576-CAZ522-526-527-NVZ016-017-020-025-026-101200-
/O.CON.KVEF.XH.W.0006.260910T1700Z-260911T0300Z/
LAKE HAVASU AND FORT MOHAVE-LAKE MEAD - AZ SIDE-LAKE MOHAVE - AZ
SIDE-NORTHWEST DESERTS-DEATH VALLEY NATIONAL PARK-CADIZ BASIN-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 TOPOCK, OVERTON, LAS VEGAS, MESQUITE,
STOVEPIPE WELLS, MOAPA, DOLAN SPRINGS, LAUGHLIN, DESERT ROCK, YUCCA,
BOULDER CITY, HOOVER DAM, TEMPLE BAR, SOUTH COVE, BULLHEAD CITY,
HENDERSON, DESERT HILLS, SHOSHONE, AMARGOSA VALLEY, INDIAN SPRINGS,
VALENTINE, NORTH LAS VEGAS, KINGMAN, PAHRUMP, GOLDEN VALLEY, VIDAL
JUNCTION, LAKE HAVASU CITY, FURNACE CREEK, WIKIEUP, AND NEEDLES
314 PM PDT WED SEP 9 2026 /314 PM MST WED SEP 9 2026/
...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 10 AM PDT /10 AM MST/
TO 8 PM PDT /8 PM MST/ THURSDAY...
* WHAT...DANGEROUSLY HOT LATE-SEASON CONDITIONS EXPECTED WITH HIGH
TEMPERATURES UP TO 112 TO 116 IN DEATH VALLEY AND THE COLORADO
RIVER VALLEY; UP TO 105 TO 110 IN THE LAS VEGAS VALLEY, MOAPA
VALLEY, AND PAHRUMP VALLEY.
* WHERE...PORTIONS OF NORTHWEST ARIZONA, SOUTHEAST CALIFORNIA, AND
SOUTHERN NEVADA.
* WHEN...FROM 10 AM PDT /10 AM MST/ TO 8 PM PDT /8 PM MST/ THURSDAY.
* IMPACTS...HEAT-RELATED ILLNESSES INCREASE SIGNIFICANTLY DURING
EXTREME HEAT.
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.
JP
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