{"url_path":"/weather/alerts/2.49.0.1.840.0.7835eadffb3d1bc7c6b2db3f8618918e592c3005.001.1","section_key":"alert","section_title":"Heat Advisory issued July 20 at 12:26PM PDT until July 22 at 8:00PM PDT by NWS Los Angeles/Oxnard CA","topic":"weather","document":{"doc_type":"alert","doc_date":"2026-07-20","source_url":"https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.7835eadffb3d1bc7c6b2db3f8618918e592c3005.001.1","accession_number":null,"cik":null,"ticker":null,"issuer_name":null,"edgar_url":null,"primary_entity_key":null,"primary_entity_name":"NWS Los Angeles/Oxnard CA"},"word_count":245,"has_tables":false,"body_markdown":"# Heat Advisory: Heat Advisory issued July 20 at 12:26PM PDT until July 22 at 8:00PM PDT by NWS Los Angeles/Oxnard CA\n\n**Severity:** Moderate\n**Certainty:** Likely\n**Urgency:** Expected\n**Areas:** Santa Clarita Valley; Lake Casitas; Ojai Valley; Central Ventura County Valleys; Western Santa Monica Mountains Recreational Area; Eastern Santa Monica Mountains Recreational Area; Calabasas and Agoura Hills; Western San Fernando Valley; Eastern San Fernando Valley; Southeastern Ventura County Valleys; Santa Susana Mountains; Southern Ventura County Mountains; Northern Ventura County Mountains; Interstate 5 Corridor; Western San Gabriel Mountains and Highway 14 Corridor; Eastern San Gabriel Mountains; Western Antelope Valley Foothills; Eastern Antelope Valley Foothills; Los Angeles County San Gabriel Valley\n**Issued by:** NWS Los Angeles/Oxnard CA\n**Sent:** 2026-07-20T12:26:00-07:00\n**Effective:** 2026-07-20T12:26:00-07:00\n**Expires:** 2026-07-21T14:00:00-07:00\n\n## Description\n* WHAT...For the Heat Advisory, temperatures between 93 to 103\nexpected. For the Extreme Heat Watch, dangerously hot conditions\nwith temperatures between 97 and 107 possible.\n\n* WHERE...A portion of southwest California.\n\n* WHEN...For the Heat Advisory, from 10 AM to 8 PM PDT Wednesday.\nFor the Extreme Heat Watch, from Wednesday evening through Monday\nevening.\n\n* IMPACTS...There is a high risk for dangerous heat illness for\nanyone, especially for the very young, the very old, those without\nair conditioning, and those active outdoors. There is a high risk\nfor heat illness for sensitive populations including the very\nyoung, the very old, those without air conditioning, and those\nactive outdoors.\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."}