{"url_path":"/weather/alerts/2.49.0.1.840.0.c722d9bc170776f361f52b7413790fe9caaf5f98.001.2","section_key":"alert","section_title":"Heat Advisory issued July 21 at 11:38AM CDT until July 21 at 7:00PM CDT by NWS Lake Charles LA","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.c722d9bc170776f361f52b7413790fe9caaf5f98.001.2","accession_number":null,"cik":null,"ticker":null,"issuer_name":null,"edgar_url":null,"primary_entity_key":null,"primary_entity_name":"NWS Lake Charles LA"},"word_count":238,"has_tables":false,"body_markdown":"# Heat Advisory: Heat Advisory issued July 21 at 11:38AM CDT until July 21 at 7:00PM CDT by NWS Lake Charles LA\n\n**Severity:** Moderate\n**Certainty:** Likely\n**Urgency:** Expected\n**Areas:** Vernon; Rapides; Avoyelles; Beauregard; Allen; Evangeline; St. Landry; Lafayette; Upper St. Martin; Lower St. Martin; West Cameron; East Cameron; Northern Calcasieu; Northern Jefferson Davis; Northern Acadia; Upper Vermilion; Upper Iberia; Upper St. Mary; Southern Calcasieu; Southern Jefferson Davis; Southern Acadia; Lower Vermilion; Lower Iberia; Lower St. Mary; Tyler; Hardin; Northern Jasper; Northern Newton; Southern Jasper; Southern Newton; Upper Jefferson; Northern Orange; Lower Jefferson; Southern Orange\n**Issued by:** NWS Lake Charles LA\n**Sent:** 2026-07-21T11:38:00-05:00\n**Effective:** 2026-07-21T11:38:00-05:00\n**Expires:** 2026-07-22T11:45:00-05:00\n\n## Description\n* WHAT...For the Heat Advisory, heat index values up to 113\nexpected. For the Extreme Heat Warning, dangerously hot conditions\nwith heat index values up to 117 expected.\n\n* WHERE...Portions of central, south central, southwest, and west\ncentral Louisiana and southeast Texas.\n\n* WHEN...For the Heat Advisory, until 7 PM CDT this evening. For the\nExtreme Heat Warning, from 10 AM to 8 PM CDT Wednesday.\n\n* IMPACTS...Heat related illnesses increase significantly during\nextreme heat and high humidity events. Hot temperatures and high\nhumidity may cause heat illnesses.\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.\n\nDo not leave young children and pets in unattended vehicles. Car\ninteriors will reach lethal temperatures in a matter of minutes.\n\nMonitor the latest forecasts and warnings for updates."}