Extreme Heat Warnings Issued for Central Florida and Coastal South Carolina, Heat Index Up to 117°F

Extreme Heat Warnings are in effect for parts of Central Florida, including Marion and Flagler counties, where heat index values could reach 110-113 degrees Fahrenheit on August 17, 2026. Additionally, Beaufort County, South Carolina, is under an Extreme Heat Warning for August 17, with heat index values between 112 and 115 degrees, potentially climbing to 113-117 degrees on August 18.