Heat Advisory California | Effective 03/18/2026 19:53
Public safety alert, emergency alert, and weather alert<br />
Description:<br />
* WHAT...High temperatures in the upper 90s to 104 degrees expected.
* WHERE...San Bernardino and Riverside County Valleys-The Inland<br />
Empire.
* WHEN...Until 8 PM PDT Friday.
* IMPACTS...Hot temperatures may cause heat illnesses.
* ADDITIONAL DETAILS...Overnight lows in the mid to upper 60s will<br />
limit overnight relief from the heat.
Instruction:<br />
Drink plenty of fluids, stay in an air-conditioned room, stay out of<br />