{"url_path":"/weather/alerts/2.49.0.1.840.0.c062ddfd8cdb56da6c607a1c34fc8bde8950eb48.001.1","section_key":"alert","section_title":"Heat Advisory issued July 20 at 11:09AM CDT until July 21 at 8:00PM CDT by NWS Fort Worth TX","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.c062ddfd8cdb56da6c607a1c34fc8bde8950eb48.001.1","accession_number":null,"cik":null,"ticker":null,"issuer_name":null,"edgar_url":null,"primary_entity_key":null,"primary_entity_name":"NWS Fort Worth TX"},"word_count":241,"has_tables":false,"body_markdown":"# Heat Advisory: Heat Advisory issued July 20 at 11:09AM CDT until July 21 at 8:00PM CDT by NWS Fort Worth TX\n\n**Severity:** Moderate\n**Certainty:** Likely\n**Urgency:** Expected\n**Areas:** Montague; Cooke; Grayson; Fannin; Lamar; Jack; Wise; Denton; Collin; Hunt; Delta; Hopkins; Palo Pinto; Parker; Tarrant; Dallas; Rockwall; Kaufman; Van Zandt; Rains; Hood; Somervell; Johnson; Ellis; Henderson; Bosque; Hill; Navarro; Freestone; Anderson; Bell; McLennan; Falls; Limestone; Leon; Milam; Robertson\n**Issued by:** NWS Fort Worth TX\n**Sent:** 2026-07-20T11:09:00-05:00\n**Effective:** 2026-07-20T11:09:00-05:00\n**Expires:** 2026-07-21T07:15:00-05:00\n\n## Description\n* WHAT...Heat index values up to 108 expected.\n\n* WHERE...Portions of north central, northeast, and south central\nTexas.\n\n* WHEN...Until 8 PM CDT Tuesday.\n\n* IMPACTS...Hot temperatures and high humidity will increase the risk\nfor heat-related illnesses to occur, particularly for those working\nor participating in outdoor activities.\n\n## Instructions\nTake extra precautions when outside by staying hydrated, wearing\nlightweight and loose fitting clothing, and limiting strenuous\nactivities to the early morning or evening. Check up on relatives and\nneighbors. Never leave young children or pets in an enclosed vehicle,\neven for a short time, as temperatures can quickly rise to\nlife-threatening levels.\n\nKnow the signs and symptoms of heat exhaustion and heat stroke. To\nreduce risk when outdoors, the occupational safety and health\nadministration recommends scheduling frequent rest breaks in shaded\nor air conditioned environments. Anyone overcome by heat should be\nmoved to a cool and shaded location. Heat stroke is an emergency!\nCall 911 ASAP if you or someone you know is exhibiting signs of heat\nstroke."}