Headline:
Extreme Heat Warning issued July 21 at 1:12PM PDT until July 27 at 8:00PM PDT by NWS Las Vegas NV
Event:
Extreme Heat Warning
Urgency:
Expected
Effective:
July 21, 2026 - 1:12pm
Expires:
July 22, 2026 - 5:00am
Description:
* WHAT...Dangerously hot conditions expected. 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 in Death
Valley. Overnight lows generally 80 to 95 degrees.
* WHERE...Portions of northwest Arizona, southeast California, and
southern Nevada including the Greater Mojave Desert region.
* WHEN...From 10 AM PDT / MST Thursday to 8 PM PDT / MST Monday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
Instruction:
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.
Area Description:
Lake Havasu and Fort Mohave; Lake Mead - AZ side; Lake Mohave - AZ side; Northwest Deserts; Death Valley National Park; Western Mojave Desert; Eastern Mojave Desert, Including the Mojave National Preserve; Morongo Basin; Cadiz Basin; San Bernardino County-Upper Colorado River Valley; Northeast Clark County; Western Clark and Southern Nye County; Las Vegas Valley; Southern Clark County; Lake Mead - NV side; Lake Mohave - NV side
Forcast Office:
NWS Las Vegas NV
Sender: