Heat advisory in place for Lowcountry until Sunday evening

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A heat advisory was released by the NWS Charleston SC on Sunday at 2:12 a.m. valid between noon and 6 p.m. The advisory is for Inland Berkeley, Inland Jasper, Coastal Colleton, Coastal Jasper and Tidal Berkeley as well as Beaufort and Charleston counties.

The NWS informs, "Heat index values up to 108 degrees expected."

"Hot temperatures and high humidity may cause heat illnesses," comments the NWS.

This advisory is in effect until 6 p.m.

Ways to stay safe in the heat according to the NWS

• Stay hydrated: Drink plenty of fluids.
• Seek shelter: Stay indoors in an air-conditioned room to keep cool.
• Check on others: Stay out of the sun, and make sure to check up on relatives and neighbors.
• Child and pet safety: Do not leave young children and pets unattended in vehicles when car interiors can reach lethal temperatures in a matter of minutes.
• Exercise caution outdoors: If you work or spend time outside, take additional safety measures.
• Consider the timing: When possible reschedule strenuous activities to early morning or evening.
• Be alert to warning signs: Educate yourself about the signs and symptoms of heat exhaustion and heat stroke.
• Dress appropriately: Wear lightweight, loose-fitting clothing to stay comfortable.

To reduce risk during outdoor work, the Occupational Safety and Health Administration (OSHA) recommends scheduling frequent rest breaks in shaded or air-conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. In an emergency, call 911.

Source: The National Weather Service

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This story was originally published June 28, 2026 at 2:16 AM.