Heat Advisory issued September 10 at 4:00AM PDT until September 10 at 8:00PM PDT by NWS San Diego CA
Issue date: 2026-09-10T11:00+00:00
* WHAT...High temperatures in the 90s below 5500 feet expected. * WHERE...Riverside County Mountains and San Diego County Mountains. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses.
