Heat Advisory

* WHAT...Heat index values up to 105 expected.

* WHERE...A portion of East Tennessee, including locations south and southwest of Knox County. Valley locations, including the Sequatchie Valley, will be most likely to approach heat indices near or slightly above 105F.

* WHEN...From 1 PM EDT /noon CDT/ this afternoon to 8 PM EDT /7 PM CDT/ this evening.

* IMPACTS...Hot temperatures and high humidity may cause heat illnesses.