Headline:
Extreme Heat Watch issued August 16 at 10:45AM PDT until August 21 at 8:00PM PDT by NWS Las Vegas NV
Event:
Extreme Heat Watch
Urgency:
Future
Effective:
August 16, 2026 - 10:45am
Expires:
August 17, 2026 - 5:00am
Description:
* 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.
* WHERE...Portions of northwest Arizona, southeast California, and
southern Nevada.
* WHEN...From Tuesday morning through Friday evening.
* 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.
Monitor the latest forecasts and warnings for updates.
Area Description:
Lake Havasu and Fort Mohave; Lake Mead - AZ side; Lake Mohave - AZ side; Hualapai Mountains; Northwest Deserts; Death Valley National Park; 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:
w-nws.webmaster@noaa.gov