Extreme Heat Warning: Inland Bay; Calhoun; Inland Gulf; Inland Franklin; Gadsden; Leon; Inland Wakulla; South Walton; Coastal Bay; Coastal Gulf; Coastal Franklin; Coastal Jefferson; Coastal Wakulla; Northern Liberty; Southern Liberty

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Extreme Heat Warning — Inland Bay; Calhoun; Inland Gulf; Inland Franklin; Gadsden; Leon; Inland Wakulla; South Walton; Coastal Bay; Coastal Gulf; Coastal Franklin; Coastal Jefferson; Coastal Wakulla; Northern Liberty; Southern Liberty Severity: Severe. Certainty: Likely. * WHAT...For the Heat Advisory, heat index values up to 111. For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 115 expected. * WHERE...Portions of Big Bend and Panhandle Florida. * WHEN...For the Heat Advisory, until 8 PM EDT /7 PM CDT/ this evening. For the Extreme Heat Warning, from 11 AM EDT /10 AM CDT/ to 8 PM EDT /7 PM CDT/ Monday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high humidity may cause heat illnesses.