* WHAT...Dangerously hot conditions with heat index values up to 102 degrees expected. * WHERE...In Minnesota, Crow Wing, Aitkin, Pine, Cass, Itasca, Carlton and South St. Louis Counties. In Wisconsin, Ashland, Bayfield, Burnett, Douglas, Sawyer, and Washburn Counties. This includes the Tribal Lands of the Fond du Lac Band, the Red Cliff Band, the Bois Forte Band, Deer Creek area, the Bad River Reservation, the St. Croix Band in Burnett County, the Lac Courte Oreilles Reservation and the Mille Lacs Band, East Lake, Big Sandy Lake, Hinckley and, Lena Lake areas. Other locations including the Apostle Islands National Lakeshore and Madeline Island. * WHEN...Until 9 PM CDT this evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.