{"url_path":"/weather/alerts/2.49.0.1.840.0.55de4247620ae9f4578e9e916d2bb611f873bbf0.004.1","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%3A2.49.0.1.840.0.55de4247620ae9f4578e9e916d2bb611f873bbf0.004.1","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":157,"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 Diego County Inland Valleys; Santa Ana Mountains and Foothills; Orange County Inland\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 in the mid 80s to mid 90s to around 100\nfor the inland San Diego County valleys with low temperatures in\nthe mid 60s to lower 70s expected. Hottest conditions expected\nThursday through Sunday.\n\n* WHERE...Orange County Inland Areas, San Diego County Valleys, and\nSanta Ana Mountains and Foothills.\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 HeatRisk with localized\nmajor HeatRisk. Elevated  low temperatures will limit overnight\nrelief from 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."}