* WHAT...Heat index values up to 109 expected.

* WHERE...Portions of North Mississippi and West Tennessee.

* WHEN...From 11 AM this morning to 9 PM CDT this evening.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.