Extreme Heat Warning issued October 4 at 4:28AM PDT until October 8 at 8:00PM PDT by NWS San Diego CA
WHAT: Dangerously hot conditions with high temperatures in the
upper 90s to 103 and warm nights with low temperatures in the low
to mid 70s expected.
WHERE: San Bernardino and Riverside County Valleys-The Inland
Empire.
WHEN: Until 8 PM PDT Thursday.
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.