{"url_path":"/weather/alerts/2.49.0.1.840.0.c934eac54e7fda9f660dff9dd046b213f69ddc4f.001.2","section_key":"alert","section_title":"Heat Advisory issued July 20 at 10:02AM CDT until July 20 at 7:00PM CDT by NWS New Orleans LA","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.c934eac54e7fda9f660dff9dd046b213f69ddc4f.001.2","accession_number":null,"cik":null,"ticker":null,"issuer_name":null,"edgar_url":null,"primary_entity_key":null,"primary_entity_name":"NWS New Orleans LA"},"word_count":240,"has_tables":false,"body_markdown":"# Heat Advisory: Heat Advisory issued July 20 at 10:02AM CDT until July 20 at 7:00PM CDT by NWS New Orleans LA\n\n**Severity:** Moderate\n**Certainty:** Likely\n**Urgency:** Expected\n**Areas:** Pointe Coupee; West Feliciana; East Feliciana; St. Helena; Washington; Iberville; West Baton Rouge; East Baton Rouge; Assumption; St. James; St. John The Baptist; Upper St. Bernard; Lower St. Bernard; Northern Tangipahoa; Southeast St. Tammany; Western Orleans; Eastern Orleans; Northern St. Tammany; Southwestern St. Tammany; Central Tangipahoa; Lower Tangipahoa; Northern Livingston; Southern Livingston; Western Ascension; Eastern Ascension; Upper Jefferson; Upper Plaquemines; Central Plaquemines; Lower Plaquemines; Central Jefferson; Coastal Jefferson; Upper Lafourche; Lower Lafourche; Upper Terrebonne; Lower Terrebonne; Upper St. Charles; Central St. Charles; Lower St. Charles; Wilkinson; Amite; Pike; Walthall; Pearl River; Northern Hancock; Northern Harrison; Northern Jackson; Southern Hancock; Southern Harrison; Southern Jackson\n**Issued by:** NWS New Orleans LA\n**Sent:** 2026-07-20T10:02:00-05:00\n**Effective:** 2026-07-20T10:02:00-05:00\n**Expires:** 2026-07-21T00:15:00-05:00\n\n## Description\n* WHAT...heat index values up to 112 expected.\n\n* WHERE...southeast Louisiana and southern Mississippi.\n\n* WHEN...For the first Heat Advisory, until 7 PM CDT this evening.\nFor the second Heat Advisory, from noon to 7 PM CDT Tuesday.\n\n* IMPACTS...Hot temperatures and high humidity may cause heat\nillnesses.\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\nTake extra precautions when outside. Wear lightweight and loose\nfitting clothing. Try to limit strenuous activities to early morning\nor evening. Take action when you see symptoms of heat exhaustion and\nheat stroke."}