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National Weather Service Extends Extreme Heat Warning for Carolinas Through 8 PM EDT

An Extreme Heat Warning from the National Weather Service Wilmington NC now runs from 11 AM to 8 PM EDT on August 17, 2026, with heat index values up to 114 expected across 16 zones.

4 reports on this incident · first at Aug 17, 2026, 2:39 a.m. ET

By AI ReporterWritten Aug 17, 2026, 3:23 a.m. ET
Developing

Hazard products are revised and cancelled as conditions change. Check the National Weather Service for the current alert before acting on this report.

An issued by the now runs longer than first issued, spanning from 11 AM to 8 PM EDT on August 17, 2026. Official records state that the covers portions of southeast North Carolina and northeast South Carolina across zones, with dangerously hot conditions and heat index values up to 114 expected. According to records from the , affected areas include Bladen, Columbus, Inland Pender, Coastal Pender, Inland New Hanover, Coastal New Hanover, Inland Brunswick, Coastal Brunswick, Florence, Marion, Williamsburg, Coastal Horry, Inland Georgetown, Coastal Georgetown, Central Horry, and Northern Horry. Cities within the zone include Loris, Lake Waccamaw, Socastee, Wilmington, Myrtle Grove, Red Hill, Oak Island, Tabor City, Bladenboro, Burgaw, Leland, Whiteville, Garden City, Andrews, Mullins, Florence, Kingstree, North Myrtle Beach, Myrtle Beach, Murrells Inlet, Carolina Beach, Chadbourn, Marion, Boiling Spring Lakes, and Little River. An Extreme Heat Watch is also in effect from Tuesday morning through Tuesday evening, where heat index values up to 114 are possible. National Weather Service records note that heat-related illnesses increase significantly during extreme heat and high humidity events. The agency advises people to

Earlier reports

  1. Aug 17, 2026, 2:55 a.m. ET

    Extreme Heat Warning Issued for Portions of Southeast North Carolina and Northeast South Carolina

    The National Weather Service Wilmington NC official records show an Extreme Heat Warning in effect from 11 AM EDT to 8 PM EDT on August 17, 2026. Dangerously hot conditions with heat index values up to 114 are expected across portions of southeast North Carolina and northeast South Carolina. An Extreme Heat Watch has also been issued from Tuesday morning through Tuesday evening, with heat index values up to 114 possible.

    The alert covers 16 zones including Bladen, Columbus, Inland Pender, Coastal Pender, Inland New Hanover, Coastal New Hanover, Inland Brunswick, Coastal Brunswick, Florence, Marion, Williamsburg, Coastal Horry, Inland Georgetown, Coastal Georgetown, Central Horry, and Northern Horry. Cities affected include Wilmington, Florence, Myrtle Beach, North Myrtle Beach, Burgaw, Leland, Whiteville, Marion, Kingstree, Loris, Lake Waccamaw, Socastee, Myrtle Grove, Red Hill, Oak Island, Tabor City, Bladenboro, Garden City, Andrews, Mullins, Carolina Beach, Chadbourn, Boiling Spring Lakes, and Little River.

    Official records warn that heat-related illnesses increase significantly during extreme heat and high humidity events. The National Weather Service recommends drinking plenty of fluids, staying in an air-conditioned room, staying out of the sun, and checking up on relatives and neighbors.

  2. Aug 17, 2026, 2:52 a.m. ET

    Weather Service Warns of Increased Heat-Related Illness Risk Across Carolinas

    Heat-related illnesses increase significantly during extreme heat and high humidity events, according to official records from the National Weather Service Wilmington NC.

    The warning applies to portions of southeast North Carolina and northeast South Carolina across 16 zones. Dangerously hot conditions with heat index values up to 114 are expected for an Extreme Heat Warning in effect from 11:00 AM EDT to 8:00 PM EDT on August 17, 2026. In addition, heat index values up to 114 are possible for an Extreme Heat Watch spanning from Tuesday morning through Tuesday evening. Covered areas include Bladen, Columbus, Inland Pender, Coastal Pender, Inland New Hanover, Coastal New Hanover, Inland Brunswick, Coastal Brunswick, Florence, Marion, Williamsburg, Coastal Horry, Inland Georgetown, Coastal Georgetown, Central Horry, and Northern Horry.

    Official precautions issued alongside the advisory advise people to drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

  3. Aug 17, 2026, 2:39 a.m. ETFirst report

    National Weather Service Issues Extreme Heat Warning for Portions of the Carolinas

    The National Weather Service Wilmington NC has issued an Extreme Heat Warning for portions of southeast North Carolina and northeast South Carolina on August 17, 2026. The developing weather alert covers 16 zones where dangerously hot conditions with heat index values up to 114 are expected. An Extreme Heat Watch is also active, with heat index values up to 114 possible from Tuesday morning through Tuesday evening.

    Official weather statements show the Extreme Heat Warning begins at 11 AM EDT and expires at 8 PM EDT on August 17, 2026. Areas included in the warnings and watches are Bladen, Columbus, Inland Pender, Coastal Pender, Inland New Hanover, Coastal New Hanover, Inland Brunswick, Coastal Brunswick, Florence, Marion, Williamsburg, Coastal Horry, Inland Georgetown, Coastal Georgetown, Central Horry, and Northern Horry. Cities under the alert include Loris, Lake Waccamaw, Socastee, Wilmington, Myrtle Grove, Red Hill, Oak Island, Tabor City, Bladenboro, Burgaw, Leland, Whiteville, Garden City, Andrews, Mullins, Florence, Kingstree, North Myrtle Beach, Myrtle Beach, Murrells Inlet, Carolina Beach, Chadbourn, Marion, Boiling Spring Lakes, and Little River.

    Official guidance notes that heat-related illnesses increase significantly during extreme heat and high humidity events. Recommended precautions are to drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

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Revision history

  1. Version 117 Aug 2026, 07:23current

    First published.

  2. Version 117 Aug 2026, 06:52current

    First published.

  3. Version 117 Aug 2026, 06:39current

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  4. Version 117 Aug 2026, 06:55current

    First published.

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