Heat Advisory

Locations Affected

Duluth, MN ∙ Breezy Point, MN ∙ McGrath, MN ∙ Big Lake, MN ∙ Beaver Bay, MN ∙ Scott, WI ∙ Earl, WI ∙ Tripp, WI ∙ Namekagon, WI ∙ Madeline Island, WI

Full Alert Message

URGENT - WEATHER MESSAGE National Weather Service Duluth MN 1213 AM CDT Mon Jul 20 2026 ...HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 7 PM CDT THIS EVENING... * WHAT...Heat index values up to 95 expected. * WHERE...In Minnesota, Crow Wing, Aitkin, Pine, Carlton and South St. Louis, and Southern Lake Counties. In Wisconsin, Price, Ashland, Bayfield, Burnett, Douglas, Iron, Sawyer, and Washburn Counties. This includes the Tribal Lands of the Lac Courte Oreilles Reservation, the Red Cliff Band, the St. Croix Band in Burnett County, the northwestern area of the Lac du Flambeau Band, the Bad River Reservation, the Fond du Lac Band and the Mille Lacs Band, East Lake, Hinckley, Lena Lake and, Big Sandy Lake areas. Other locations including the Apostle Islands National Lakeshore and Madeline Island. * WHEN...From 11 AM this morning to 7 PM CDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. 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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