Heat Advisory

* WHAT...For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 105. For the Heat Advisory, heat index values up to 100 expected.

* WHERE...Mason, McLean, Peoria, Tazewell, Woodford, and Fulton Counties.

* WHEN...For the Extreme Heat Warning, until 7 PM CDT this evening. For the Heat Advisory, from 11 AM to 7 PM CDT Saturday.

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