134
WWUS75 KVEF 021924
NPWVEF
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
1224 PM PDT SUN AUG 2 2026
AZZ001-002-570-571-575-576-CAZ522>527-581-582-NVZ014>017-020-022-025-
026-032200-
/O.EXT.KVEF.XH.W.0003.000000T0000Z-260806T0300Z/
NORTHWEST PLATEAU-LAKE HAVASU AND FORT MOHAVE-LAKE MEAD - AZ SIDE-
LAKE MOHAVE - AZ SIDE-HUALAPAI MOUNTAINS-NORTHWEST DESERTS-DEATH
VALLEY NATIONAL PARK-WESTERN MOJAVE DESERT-EASTERN MOJAVE DESERT-
MORONGO BASIN-CADIZ BASIN-SAN BERNARDINO COUNTY-UPPER COLORADO
RIVER VALLEY-OWENS VALLEY SOUTH-OWENS VALLEY NORTH-ESMERALDA AND
CENTRAL NYE COUNTY-LINCOLN COUNTY-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 BISHOP, OVERTON, GOLDFIELD, YUCCA, LAKE
HAVASU CITY, SOUTH COVE, CALIENTE, BAKER, LONE PINE, LAS VEGAS,
WESTERN GRAND CANYON, MT TRUMBULL, SEARCHLIGHT, TUWEEP, BARSTOW,
YUCCA VALLEY, FURNACE CREEK, TWENTYNINE PALMS, PANACA, DYER, ALAMO,
MITCHELL CAVERNS, BULLHEAD CITY, SHOSHONE, MORONGO VALLEY,
NORTH LAS VEGAS, MOAPA, BOULDER CITY, OLANCHA, CAL-NEV-ARI, PIPE
SPRING NATIONAL MONUMENT, HENDERSON, HOOVER DAM, MOUNTAIN PASS,
DESERT ROCK, PRIMM, TOPOCK, WIKIEUP, VALENTINE, FORT IRWIN, BEATTY,
HIKO, DAGGETT, STOVEPIPE WELLS, NEEDLES, VIDAL JUNCTION, PIOCHE,
INDIAN SPRINGS, TEMPLE BAR, HUALAPAI PEAK, DOLAN SPRINGS, MESQUITE,
PAHRUMP, INDEPENDENCE, COLORADO CITY, LAUGHLIN, RACHEL, GOLDEN
VALLEY, AMARGOSA VALLEY, DESERT HILLS, KINGMAN, AND SILVER PEAK
1224 PM PDT SUN AUG 2 2026 /1224 PM MST SUN AUG 2 2026/
...EXTREME HEAT WARNING NOW IN EFFECT UNTIL 8 PM PDT /8 PM MST/
WEDNESDAY...
* WHAT...DANGEROUSLY HOT CONDITIONS WITH HIGHS 110 TO 120 DEGREES
ACROSS THE MOJAVE DESERT. HIGHS 95 TO 105 DEGREES ACROSS MOST OF
THE SOUTHERN GREAT BASIN AND ARIZONA STRIP. LITTLE TO NO OVERNIGHT
RELIEF IS EXPECTED, PARTICULARLY IN THE MOJAVE DESERT WHERE LOWS OF
80 TO 95 DEGREES ARE FORECAST. THIS WILL RESULT IN MAJOR-TO-EXTREME
HEAT RISK.
* WHERE...PORTIONS OF NORTHWEST ARIZONA, SOUTHEAST CALIFORNIA, AND
SOUTH CENTRAL AND SOUTHERN NEVADA.
* WHEN...UNTIL 8 PM PDT /8 PM MST/ WEDNESDAY.
* 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.
CAZ519-521-NVZ018-019-032200-
/O.EXT.KVEF.HT.Y.0002.000000T0000Z-260806T0300Z/
EASTERN SIERRA SLOPES-WHITE MOUNTAINS OF INYO COUNTY-SHEEP RANGE-
SPRING MOUNTAINS-RED ROCK CANYON-
INCLUDING THE CITIES OF MT CHARLESTON, ASPENDELL, RED ROCK CANYON,
HAYFORD PK, BRISTLECONE PINE, WHITNEY PORTAL, AND WESTGARD PASS
1224 PM PDT SUN AUG 2 2026
..HEAT ADVISORY NOW IN EFFECT UNTIL 8 PM PDT WEDNESDAY
* WHAT...HOT CONDITIONS EXPECTED WITH HIGHS 80 TO 90 DEGREES ABOVE
8000 FEET AND 90 TO 100 DEGREES BELOW 8000 FEET. THIS WILL RESULT
IN MODERATE HEAT RISK.
* WHERE...IN CALIFORNIA, EASTERN SIERRA SLOPES AND WHITE MOUNTAINS OF
INYO COUNTY. IN NEVADA, SHEEP RANGE AND SPRING MOUNTAINS-RED ROCK
CANYON.
* WHEN...UNTIL 8 PM PDT WEDNESDAY.
* 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.
MONITOR THE LATEST FORECASTS AND WARNINGS FOR UPDATES.
CO
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