{"url_path":"/weather/alerts/2.49.0.1.840.0.ece0e89d1bea1a6a35b2138759eec6959b52bbbf.002.1","section_key":"alert","section_title":"Heat Advisory issued July 18 at 10:43AM CDT until July 21 at 7:00PM CDT by NWS Paducah KY","topic":"weather","document":{"doc_type":"alert","doc_date":"2026-07-18","source_url":"https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.ece0e89d1bea1a6a35b2138759eec6959b52bbbf.002.1","accession_number":null,"cik":null,"ticker":null,"issuer_name":null,"edgar_url":null,"primary_entity_key":null,"primary_entity_name":"NWS Paducah KY"},"word_count":143,"has_tables":false,"body_markdown":"# Heat Advisory: Heat Advisory issued July 18 at 10:43AM CDT until July 21 at 7:00PM CDT by NWS Paducah KY\n\n**Severity:** Moderate\n**Certainty:** Likely\n**Urgency:** Expected\n**Areas:** Perry; Franklin; Jackson; Williamson; Saline; Union; Johnson; Pope; Alexander; Pulaski; Massac; Fulton; Hickman; Carlisle; Ballard; McCracken; Graves; Livingston; Marshall; Calloway; Perry; Bollinger; Cape Girardeau; Wayne; Carter; Ripley; Butler; Stoddard; Scott; Mississippi; New Madrid\n**Issued by:** NWS Paducah KY\n**Sent:** 2026-07-18T10:43:00-05:00\n**Effective:** 2026-07-18T10:43:00-05:00\n**Expires:** 2026-07-18T18:45:00-05:00\n\n## Description\n* WHAT...Heat index values between 100 to 105 expected.\n\n* WHERE...Portions of southern Illinois, western Kentucky, and\nsoutheast Missouri.\n\n* WHEN...Until 7 PM CDT Tuesday.\n\n* IMPACTS...Hot temperatures and high humidity may cause heat\nillnesses.\n\n* ADDITIONAL DETAILS...Higher humidity levels combined with hot\ntemperatures on Tuesday may cause heat index values to near 110\ndegrees.\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."}