461
WWUS75 KVEF 220231
NPWVEF

URGENT - WEATHER MESSAGE
National Weather Service Las Vegas NV
731 PM PDT Fri Aug 21 2026

AZZ575-CAZ524>526-NVZ016-017-022-220345-
/O.EXP.KVEF.XH.W.0004.000000T0000Z-260822T0300Z/
Hualapai Mountains-Eastern Mojave Desert-Morongo Basin-Cadiz
Basin-Northeast Clark County-Western Clark and Southern Nye
County-Southern Clark County-
Including the cities of Hualapai Peak, Desert Rock, Mesquite, Primm,
Searchlight, Moapa, Twentynine Palms, Amargosa Valley, Morongo
Valley, Indian Springs, Pahrump, Mitchell Caverns, Yucca
Valley, Baker, Vidal Junction, Overton, Cal-Nev-Ari, and Mountain
Pass
731 PM PDT Fri Aug 21 2026 /731 PM MST Fri Aug 21 2026/

...EXTREME HEAT WARNING WILL EXPIRE AT 8 PM PDT /8 PM MST/ THIS
EVENING...

The Extreme Heat Warning has been allowed to expire. Temperatures
have fallen below warning criteria. Please continue to use caution
when outdoors by ensuring access to effective cooling and adequate
hydration.

$$

AZZ002-570-571-576-CAZ522-527-NVZ020-025-026-222300-
/O.CON.KVEF.XH.W.0004.000000T0000Z-260824T0300Z/
Lake Havasu and Fort Mohave-Lake Mead - AZ side-Lake Mohave - AZ
side-Northwest Deserts-Death Valley National Park-San Bernardino
County-Upper Colorado River Valley-Las Vegas Valley-Lake Mead -
NV side-Lake Mohave - NV side-
Including the cities of Furnace Creek, South Cove, Temple Bar, North
Las Vegas, Henderson, Lake Havasu City, Topock, Stovepipe Wells,
Needles, Desert Hills, Yucca, Shoshone, Valentine, Bullhead City,
Hoover Dam, Las Vegas, Laughlin, Boulder City, Golden Valley, Dolan
Springs, Kingman, and Wikieup
731 PM PDT Fri Aug 21 2026 /731 PM MST Fri Aug 21 2026/

...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT /8 PM MST/
SUNDAY...

* WHAT...Dangerously hot conditions with temperatures up to 115 to
  118 degrees expected through Death Valley and the lower Colorado
  River Valley, with highs between 107 to 110 degrees elsewhere. Near
  record warm low temperatures expected in urban areas.

* WHERE...Lake Mohave, Lake Mead, Lower Colorado River Valley / Lake
  Havasu, Northwest Deserts, Death Valley National Park, and Las
  Vegas Valley.

* WHEN...Until 8 PM PDT /8 PM MST/ Sunday.

* 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.

&&

$$

MW