North Carolina, South Carolina Moderate Heat Advisory | Effective 08/18/2026 11:01

Headline: 
Heat Advisory issued August 18 at 2:01PM EDT until August 19 at 8:00PM EDT by NWS Wilmington NC
Event: 
Heat Advisory
Urgency: 
Expected
Effective: 
August 18, 2026 - 11:01am
Expires: 
August 19, 2026 - 2:00am
Description: 
* WHAT...For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 111. For the Heat Advisory, heat index values up to 109 expected. * WHERE...Portions of southeast North Carolina and northeast South Carolina. * WHEN...For the Extreme Heat Warning, until 8 PM EDT this evening. For the Heat Advisory, from 11 AM to 8 PM EDT Wednesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high humidity may cause heat illnesses.
Instruction: 
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.
Area Description: 
Columbus; Inland Pender; Coastal Pender; Inland New Hanover; Coastal New Hanover; Inland Brunswick; Coastal Brunswick; Coastal Horry; Inland Georgetown; Coastal Georgetown; Central Horry; Northern Horry
Forcast Office: 
NWS Wilmington NC
Sender: 
w-nws.webmaster@noaa.gov