Extreme Heat Watch

Locations Affected

Duluth, MN ∙ Baxter, MN ∙ Wirt, MN ∙ Pelland, MN ∙ Pengilly, MN ∙ Sandstone, MN ∙ Iron Junction, MN ∙ Canyon, MN ∙ Yellow Lake, WI ∙ Wales, MN

Full Alert Message

URGENT - WEATHER MESSAGE National Weather Service Duluth MN 106 AM CDT Sat Jul 11 2026 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 9 PM CDT THIS EVENING... ...EXTREME HEAT WATCH NOW IN EFFECT FROM SUNDAY MORNING THROUGH MONDAY EVENING... * WHAT...For the Heat Advisory, heat index values up to 95 expected. For the Extreme Heat Watch, dangerously hot conditions with heat index values up to 100 possible. * WHERE...Northern Aitkin, Koochiching, North Cass, Itasca, Carlton, St. Louis, and Northern Cook and Lake Counties. This includes the Tribal Lands of the Fond du Lac Band, the Mille Lacs Band, Big Sandy Lake area and the Bois Forte Band, Nett Lake, Deer Creek and, Lake Vermilion areas. Other locations including Voyageurs National Park. The entire Boundary Waters is also included. * WHEN...For the Heat Advisory, from 11 AM this morning to 9 PM CDT this evening. For the Extreme Heat Watch, from Sunday morning through Monday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...Little to no relief from the heat is possible Sunday night as continued very warm heat indices in the 70s are forecast Sunday night. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

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