Heat Advisory issued August 23 at 5:17AM PDT until August 25 at 10:00AM PDT by NWS San Diego CA

* WHAT…Temperatures in the mid to upper 90s below 5000 ft MSL.

* WHERE…San Bernardino County Mountains.

* WHEN…For the Heat Advisory, until 10 AM PDT Tuesday. For the
Extreme Heat Watch, from Tuesday morning through Friday evening.

* IMPACTS…Heat related illnesses increase significantly during
extreme heat events. Hot temperatures may cause heat illnesses.
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.