Heat Advisory issued July 20 at 9:26PM PDT until July 27 at 8:00PM PDT by NWS San Diego CA
WHAT: High temperatures 100 to 107 expected. Low temperatures in
the upper 60s to low 70s.
WHERE: San Bernardino and Riverside County Valleys-The Inland
Empire.
WHEN: From 10 AM Wednesday to 8 PM PDT Monday.
IMPACTS: Hot temperatures may cause heat illnesses.
ADDITIONAL DETAILS: Widespread moderate to localized major
HeatRisk. Elevated low temperatures will limit overnight relief
from the heat.
+ Read More
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.