Heat Advisory

* WHAT...For the first Heat Advisory, heat index values up to 107. For the second Heat Advisory, heat index values up to 108 expected. For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 110 expected.

* WHERE...Nelson County.

* WHEN...For the first Heat Advisory, until 8 PM EDT this evening. For the second Heat Advisory, from 10 AM to 8 PM EDT Thursday. For the Extreme Heat Warning, from 10 AM to 8 PM EDT Friday.

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