339
WWUS75 KVEF 210939
NPWVEF
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
239 AM PDT THU AUG 21 2025
AZZ001>003-036-CAZ520-522>527-NVZ015>017-020>022-220900-
/O.CON.KVEF.XH.W.0009.000000T0000Z-250824T0600Z/
NORTHWEST PLATEAU-LAKE HAVASU AND FORT MOHAVE-NORTHWEST DESERTS-
LAKE MEAD NATIONAL RECREATION AREA-OWENS VALLEY-DEATH VALLEY
NATIONAL PARK-WESTERN MOJAVE DESERT-EASTERN MOJAVE DESERT-MORONGO
BASIN-CADIZ BASIN-SAN BERNARDINO COUNTY-UPPER COLORADO RIVER
VALLEY-LINCOLN COUNTY-NORTHEAST CLARK COUNTY-WESTERN CLARK AND
SOUTHERN NYE COUNTY-LAS VEGAS VALLEY-LAKE MEAD NATIONAL
RECREATION AREA-SOUTHERN CLARK COUNTY-
INCLUDING THE CITIES OF CALIENTE, BAKER, VALENTINE, PRIMM,
BOULDER CITY, WIKIEUP, YUCCA, MITCHELL CAVERNS, MORONGO VALLEY,
LAUGHLIN, NORTH LAS VEGAS, PANACA, PAHRUMP, BULLHEAD CITY,
HENDERSON, PIOCHE, SHOSHONE, LONE PINE, KINGMAN, MOAPA, OATMAN,
NEEDLES, OLANCHA, COLORADO CITY, MESQUITE, YUCCA VALLEY, VIDAL
JUNCTION, STOVEPIPE WELLS, INDIAN SPRINGS, ALAMO, TOPOCK, FORT
IRWIN, TUWEEP, TWENTYNINE PALMS, MOUNTAIN PASS, WESTERN GRAND
CANYON, DESERT HILLS, BISHOP, LAKE HAVASU CITY, AMARGOSA VALLEY,
INDEPENDENCE, DAGGETT, DESERT ROCK, MT TRUMBULL, OVERTON,
CAL-NEV-ARI, HIKO, GOLDEN VALLEY, BARSTOW, HOOVER DAM, DOLAN
SPRINGS, MOHAVE VALLEY, FURNACE CREEK, PIPE SPRING NATIONAL
MONUMENT, LAS VEGAS, RACHEL, AND SEARCHLIGHT
239 AM PDT THU AUG 21 2025 /239 AM MST THU AUG 21 2025/
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 11 PM PDT /11 PM
MST/ SATURDAY...
* WHAT...DANGEROUSLY HOT CONDITIONS WITH TEMPERATURES AROUND 105 IN
KINGMAN, GOLDEN VALLEY, DOLAN SPRINGS; AROUND 110 IN LAS VEGAS,
PAHRUMP, BARSTOW, YUCCA VALLEY, TWENTYNINE PALMS; AROUND 115 IN
LAUGHLIN, BULLHEAD CITY, NEEDLES, LAKE HAVASU CITY; AROUND 120 AT
FURNACE CREEK IN DEATH VALLEY NATIONAL PARK. EXPECT MINIMAL
OVERNIGHT RELIEF. MAJOR-TO-EXTREME HEAT RISK. IN THE OWENS VALLEY,
TEMPERATURES WILL BE AROUND 100 TO 105, YIELDING MODERATE HEAT
RISK.
* WHERE...PORTIONS OF NORTHWEST ARIZONA, SOUTHEAST CALIFORNIA, AND
SOUTH CENTRAL AND SOUTHERN NEVADA.
* WHEN...UNTIL 11 PM PDT /11 PM MST/ SATURDAY.
* 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.
NVZ014-018-019-220900-
/O.CON.KVEF.HT.Y.0003.000000T0000Z-250824T0600Z/
ESMERALDA AND CENTRAL NYE COUNTY-SHEEP RANGE-SPRING MOUNTAINS-RED
ROCK CANYON-
INCLUDING THE CITIES OF HAYFORD PK, DYER, BEATTY, SILVER PEAK,
GOLDFIELD, MT CHARLESTON, AND RED ROCK CANYON
239 AM PDT THU AUG 21 2025
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT SATURDAY
* WHAT...ABOVE-NORMAL TEMPERATURES WITH AFTERNOON HIGHS IN THE
LOW-TO-MID 80S FOR MOUNT CHARLESTON, LEE CANYON, AND KYLE CANYON.
ABOVE-NORMAL TEMPERATURES WITH AFTERNOON HIGHS BETWEEN 95 AND 100
FOR GOLDFIELD; TONOPAH; BETWEEN 100 AND 105 FOR BEATTY. EXPECT
MINIMAL OVERNIGHT RECOVERY. MODERATE-TO-HIGH HEAT RISK.
* WHERE...ESMERALDA AND CENTRAL NYE COUNTY, SHEEP RANGE, AND SPRING
MOUNTAINS-RED ROCK CANYON.
* WHEN...UNTIL 11 PM PDT SATURDAY.
* 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.
FOR MORE INFORMATION FROM THE NATIONAL WEATHER SERVICE VISIT
HTTP://WEATHER.GOV/LASVEGAS
STESSMAN
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