Extreme Heat Watch issued July 21 at 12:28AM PDT until July 27 at 8:00PM PDT by NWS Las Vegas NV
WHAT: Dangerously hot conditions possible. Afternoon temperatures
in the desert valleys will climb into the 108 to 114 degree range,
and may exceed 115 along the Colorado River Valley, and 120 Death
Valley.
WHERE: Portions of northwest Arizona, southeast California, and
southern Nevada including the Greater Mojave Desert region.
WHEN: From Thursday morning through Monday evening.
IMPACTS: Heat related illnesses increase significantly during
extreme heat events.
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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.
Monitor the latest forecasts and warnings for updates.