Minnesota, Wisconsin Moderate Heat Advisory | Effective 07/19/2026 09:57

Headline: 
Heat Advisory issued July 19 at 11:57AM CDT until July 19 at 8:00PM CDT by NWS Duluth MN
Event: 
Heat Advisory
Urgency: 
Expected
Effective: 
July 19, 2026 - 9:57am
Expires: 
July 19, 2026 - 6:00pm
Description: 
* WHAT...Heat index values up to 90 expected. * WHERE...In Minnesota, Crow Wing, Aitkin, Pine, Koochiching, Cass, Itasca, Carlton, St. Louis, and Northern Cook and Lake Counties. In Wisconsin, Ashland, Bayfield, Burnett, Douglas, Sawyer, and Washburn Counties. This includes the Tribal Lands of the Fond du Lac Band, the Bad River Reservation, the Red Cliff Band, the Lac Courte Oreilles Reservation, the St. Croix Band in Burnett County, the Mille Lacs Band, East Lake, Hinckley, Lena Lake and, Big Sandy Lake areas and the Bois Forte Band, Deer Creek, Nett Lake and, Lake Vermilion areas. Other locations including Madeline Island, the Apostle Islands National Lakeshore and Voyageurs National Park. The entire Boundary Waters is also included. * WHEN...Until 8 PM CDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
Instruction: 
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.
Area Description: 
Koochiching; North St. Louis; Northern Cook/Northern Lake; North Itasca; Central St. Louis; North Cass; South Itasca; South Cass; Crow Wing; Northern Aitkin; South Aitkin; Carlton/South St. Louis; Pine; Douglas; Bayfield; Ashland; Burnett; Washburn; Sawyer
Forcast Office: 
NWS Duluth MN