* WHAT...For the first Extreme Heat Warning, dangerously hot conditions with heat index values up to 112. For the second Extreme Heat Warning, dangerously hot conditions with heat index values up to 113 expected.
* WHERE...Portions of southeast Georgia and southeast South Carolina.
* WHEN...For the first Extreme Heat Warning, until 8 PM EDT this evening. For the second Extreme Heat Warning, from 11 AM to 8 PM EDT Saturday.
* IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.
* ADDITIONAL DETAILS...For the Extreme Heat Warning, the highest heat index values are expected from noon through 5 PM today. Additionally, isolated showers and thunderstorms during the afternoon could provide relief in some areas.