Heat Advisory: San Bernardino County Mountains; Riverside County Mountains; San Diego County Mountains

source: us-gov-api (us-gov-api:noaa-weather)published 2026-07-20 21:26ingested 2026-07-21 08:27

extract

Heat Advisory — San Bernardino County Mountains; Riverside County Mountains; San Diego County Mountains Severity: Moderate. Certainty: Likely. * WHAT...High temperatures in the mid 80s to 90s expected below 6000 ft. Low temperatures in the upper 60s to mid 70s. * WHERE...Riverside County Mountains, San Bernardino County Mountains, and San Diego County Mountains. * WHEN...From 10 AM Wednesday to 8 PM PDT Monday. * IMPACTS...Hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...Widespread moderate HeatRisk. Elevated low temperatures will limit overnight relief from the heat.

retained text

The historical document was shared with another weather alert and cannot be attributed to this record. The original extract is preserved above; the exact alert link was not retained.