Extreme Heat Warning: Coastal Bryan; Inland Chatham; Coastal Chatham; Coastal Liberty; Inland McIntosh; Coastal McIntosh; Beaufort; Coastal Colleton; Charleston; Coastal Jasper; Tidal Berkeley

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Extreme Heat Warning — Coastal Bryan; Inland Chatham; Coastal Chatham; Coastal Liberty; Inland McIntosh; Coastal McIntosh; Beaufort; Coastal Colleton; Charleston; Coastal Jasper; Tidal Berkeley Severity: Severe. Certainty: Likely. * WHAT...For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 114 expected. For the Extreme Heat Watch, dangerously hot conditions with heat index values up to 115 possible. * WHERE...Portions of southeast Georgia and southeast South Carolina. * WHEN...For the Extreme Heat Warning, from 11 AM this morning to 8 PM EDT this evening. For the Extreme Heat Watch, from Friday morning through Friday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.