Heat Advisory

* WHAT...Heat index values up to 95.

* WHERE...In Minnesota, Morrison, Chisago, Isanti, Kanabec, and Mille Lacs Counties. In Wisconsin, Barron, Polk, and Rusk Counties.

* WHEN...Until 9 PM CDT Thursday.

* IMPACTS...Hot temperatures and high humidity may cause heat illnesses. Prolonged heat waves lead to cumulative heat stress for those who cannot adequately cool down and recover each night. Cumulative heat stress significantly increases the risk of heat exhaustion and heat stroke as time goes on.