* WHAT...Very cold wind chills as low as 15 below zero expected.

* WHERE...Portions of southeast Indiana, northeast and northern Kentucky, and central, south central, and southwest Ohio.

* WHEN...Until 10 AM EST Wednesday.

* IMPACTS...The cold wind chills as low as 15 below zero could result in hypothermia if precautions are not taken. Very cold temperatures can lead to hypothermia with prolonged exposure.