{"url_path":"/weather/alerts/2.49.0.1.840.0.5411126281a966b0b1cb08504bbdbfbbe7ba7db5.002.1","section_key":"alert","section_title":"Heat Advisory issued July 20 at 4:00PM CDT until July 20 at 8:00PM CDT by NWS Des Moines IA","topic":"weather","document":{"doc_type":"alert","doc_date":"2026-07-20","source_url":"https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.5411126281a966b0b1cb08504bbdbfbbe7ba7db5.002.1","accession_number":null,"cik":null,"ticker":null,"issuer_name":null,"edgar_url":null,"primary_entity_key":null,"primary_entity_name":"NWS Des Moines IA"},"word_count":123,"has_tables":false,"body_markdown":"# Heat Advisory: Heat Advisory issued July 20 at 4:00PM CDT until July 20 at 8:00PM CDT by NWS Des Moines IA\n\n**Severity:** Moderate\n**Certainty:** Likely\n**Urgency:** Expected\n**Areas:** Crawford; Carroll; Greene; Boone; Story; Marshall; Tama; Audubon; Guthrie; Dallas; Polk; Jasper; Poweshiek; Cass; Adair; Madison; Warren; Marion; Mahaska; Adams; Union; Clarke; Lucas; Monroe; Wapello; Taylor; Ringgold; Decatur; Wayne; Appanoose; Davis\n**Issued by:** NWS Des Moines IA\n**Sent:** 2026-07-20T16:00:00-05:00\n**Effective:** 2026-07-20T16:00:00-05:00\n**Expires:** 2026-07-20T20:00:00-05:00\n\n## Description\n* WHAT...Heat index values of 100-105+ expected.\n\n* WHERE...Portions of central, south central, southeast, southwest,\nand west central Iowa.\n\n* WHEN...Until 8 PM CDT this evening.\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."}