{"url_path":"/weather/alerts/2.49.0.1.840.0.55de4247620ae9f4578e9e916d2bb611f873bbf0.003.1","section_key":"alert","section_title":"Heat Advisory issued July 21 at 10:23AM PDT until July 27 at 8:00PM PDT by NWS San Diego CA","topic":"weather","document":{"doc_type":"alert","doc_date":"2026-07-21","source_url":"https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.55de4247620ae9f4578e9e916d2bb611f873bbf0.003.1","accession_number":null,"cik":null,"ticker":null,"issuer_name":null,"edgar_url":null,"primary_entity_key":null,"primary_entity_name":"NWS San Diego CA"},"word_count":137,"has_tables":false,"body_markdown":"# Heat Advisory: Heat Advisory issued July 21 at 10:23AM PDT until July 27 at 8:00PM PDT by NWS San Diego CA\n\n**Severity:** Moderate\n**Certainty:** Likely\n**Urgency:** Expected\n**Areas:** San Bernardino and Riverside County Valleys-The Inland Empire\n**Issued by:** NWS San Diego CA\n**Sent:** 2026-07-21T10:23:00-07:00\n**Effective:** 2026-07-21T10:23:00-07:00\n**Expires:** 2026-07-21T22:15:00-07:00\n\n## Description\n* WHAT...High temperatures as hot as the upper 90s to 108 and low\ntemperatures as warm as the upper 60s to mid 70s. Hottest\nconditions expected Thursday through Sunday.\n\n* WHERE...San Bernardino and Riverside County Valleys-The Inland\nEmpire.\n\n* WHEN...From 10 AM Wednesday to 8 PM PDT Monday.\n\n* IMPACTS...Hot temperatures may cause heat illnesses.\n\n* ADDITIONAL DETAILS...Widespread moderate to localized major\nHeatRisk. Elevated low temperatures will limit overnight relief\nfrom the heat.\n\n## Instructions\nDrink plenty of fluids, stay in an air-conditioned room, stay out of\nthe sun, and check up on relatives and neighbors."}