Extreme Heat Warning

* WHAT...For the Heat Advisory, heat index values up to 96 expected. For the Extreme Heat Warning, dangerously hot conditions with heat index values of up to 105 possible. Lows tonight in the 70s.

* WHERE...Morrison, Todd, Kanabec, Mille Lacs, and Douglas Counties.

* WHEN...For the Heat Advisory, until 11 AM CDT Sunday. For the Extreme Heat Warning, from 11 AM to 9 PM CDT Sunday.

* IMPACTS...Heat-related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high humidity may cause heat illnesses.