{"url_path":"/weather/alerts/2.49.0.1.840.0.eab447467e4c908d46a3d95e35b9cd4efa8fb923.001.3","section_key":"alert","section_title":"Heat Advisory issued July 11 at 1:33PM CDT until July 11 at 9:00PM CDT by NWS Duluth MN","topic":"weather","document":{"doc_type":"alert","doc_date":"2026-07-11","source_url":"https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.eab447467e4c908d46a3d95e35b9cd4efa8fb923.001.3","accession_number":null,"cik":null,"ticker":null,"issuer_name":null,"edgar_url":null,"primary_entity_key":null,"primary_entity_name":"NWS Duluth MN"},"word_count":257,"has_tables":false,"body_markdown":"# Heat Advisory: Heat Advisory issued July 11 at 1:33PM CDT until July 11 at 9:00PM CDT by NWS Duluth MN\n\n**Severity:** Moderate\n**Certainty:** Likely\n**Urgency:** Expected\n**Areas:** Koochiching; North St. Louis; Northern Cook/Northern Lake; North Itasca; Central St. Louis; North Cass; South Itasca; Northern Aitkin; Carlton/South St. Louis; Douglas; Bayfield\n**Issued by:** NWS Duluth MN\n**Sent:** 2026-07-11T13:33:00-05:00\n**Effective:** 2026-07-11T13:33:00-05:00\n**Expires:** 2026-07-12T01:45:00-05:00\n\n## Description\n* WHAT...For the Heat Advisory, heat index values up to 95. For the\nExtreme Heat Warning, dangerously hot conditions with heat index\nvalues up to 100 expected.\n\n* WHERE...In Minnesota, Northern Aitkin, Koochiching, North Cass,\nItasca, Carlton, St. Louis, and Northern Cook and Lake Counties.\nIn Wisconsin, Bayfield and Douglas Counties. This includes the\nTribal Lands of the Red Cliff Band, the Fond du Lac Band, the\nMille Lacs Band, Big Sandy Lake area and the Bois Forte Band, Nett\nLake, Lake Vermilion and, Deer Creek areas. Other locations\nincluding the Apostle Islands National Lakeshore and Voyageurs\nNational Park. The entire Boundary Waters is also included.\n\n* WHEN...For the Heat Advisory, until 9 PM CDT this evening. For the\nExtreme Heat Warning, from 11 AM Sunday to 1 AM CDT Tuesday.\n\n* IMPACTS...Heat related illnesses increase significantly during\nextreme heat and high humidity events. Hot temperatures and high\nhumidity may cause heat illnesses.\n\n* ADDITIONAL DETAILS...Little to no relief from the heat is possible\nSunday night as continued very warm heat indices in the 70s are\nforecast Sunday night.\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."}