* WHAT...Dangerously hot conditions with heat index values up to 115.
* WHERE...Portions of southeast Georgia and southeast South Carolina.
* WHEN...From 11 AM to 8 PM EDT Saturday.
* IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.
* ADDITIONAL DETAILS...The highest heat index values are expected from noon through 5 PM Saturday. Additionally, isolated showers and thunderstorms during the afternoon could provide relief in some areas.