* WHAT...For the first Heat Advisory, heat index values in the lower 90s. For the second Heat Advisory, heat index values as high as 100 expected.
* WHERE...Jefferson and Lewis Counties.
* WHEN...For the first Heat Advisory, until 8 PM EDT this evening. For the second Heat Advisory, from noon Wednesday to 8 PM EDT Friday.
* IMPACTS...Hot temperatures and high humidity may cause heat related illnesses to occur.