{"url_path":"/weather/alerts/2.49.0.1.840.0.cc67df431d53b2495f92a758146b35e3497878f1.002.1","section_key":"alert","section_title":"Extreme Heat Warning issued July 4 at 5:02PM EDT until July 4 at 8:00PM EDT by NWS Baltimore MD/Washington DC","topic":"weather","document":{"doc_type":"alert","doc_date":"2026-07-04","source_url":"https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.cc67df431d53b2495f92a758146b35e3497878f1.002.1","accession_number":null,"cik":null,"ticker":null,"issuer_name":null,"edgar_url":null,"primary_entity_key":null,"primary_entity_name":"NWS Baltimore MD/Washington DC"},"word_count":195,"has_tables":false,"body_markdown":"# Extreme Heat Warning: Extreme Heat Warning issued July 4 at 5:02PM EDT until July 4 at 8:00PM EDT by NWS Baltimore MD/Washington DC\n\n**Severity:** Severe\n**Certainty:** Likely\n**Urgency:** Expected\n**Areas:** Washington; Shenandoah; Frederick; Page; Warren; Clarke; Hampshire; Morgan; Berkeley; Jefferson; Hardy\n**Issued by:** NWS Baltimore MD/Washington DC\n**Sent:** 2026-07-04T17:02:00-04:00\n**Effective:** 2026-07-04T17:02:00-04:00\n**Expires:** 2026-07-04T20:00:00-04:00\n\n## Description\n* WHAT...Dangerously hot conditions with heat index values up to 105\nto 109 expected.\n\n* WHERE...Portions of north central Maryland, northwest Virginia,\nand eastern and panhandle West Virginia.\n\n* WHEN...Until 8 PM EDT this evening.\n\n* IMPACTS...Heat related illnesses increase significantly during\nextreme heat and high humidity events.\n\n* ADDITIONAL DETAILS...Prolonged excessive heat may impact power,\nwater, and transportation systems. Heat index values of 95 to 100\nare possible again Sunday afternoon.\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\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."}