408
WWUS75 KVEF 230844
NPWVEF

URGENT - WEATHER MESSAGE
National Weather Service Las Vegas NV
144 AM PDT Sun Aug 23 2026

AZZ002-570-571-576-CAZ522-527-NVZ020-025-026-240300-
/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 Bullhead City, South Cove, Boulder City,
Henderson, Dolan Springs, Las Vegas, Stovepipe Wells, Topock, North
Las Vegas, Golden Valley, Yucca, Shoshone, Temple Bar, Hoover Dam,
Needles, Lake Havasu City, Furnace Creek, Kingman, Desert Hills,
Wikieup, Laughlin, and Valentine
144 AM PDT Sun Aug 23 2026 /144 AM MST Sun Aug 23 2026/

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

* 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/ this evening.

* 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.

&&

$$

JP