Heat advisory issued for Lowcountry until early Saturday evening

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The NWS Charleston SC released a heat advisory at 1:46 a.m. on Saturday valid between 11 a.m. and 5 p.m. The advisory is for Inland Berkeley, Coastal Colleton, Coastal Jasper and Tidal Berkeley as well as Beaufort and Charleston counties.

The NWS informs, "Temperatures in the upper 90s with heat indices of 105 to 110 expected."

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

This advisory is in effect until 5 p.m.

NWS Heat Wave Safety Advice: Protect yourself with these recommendations

• Consume plenty of fluids to stay hydrated.
• Stay in an air-conditioned room.
• Avoid direct sun exposure: Protect yourself and check on vulnerable relatives and neighbors.
• Child and pet safety: Never leave young children and pets unattended in vehicles, especially when car interiors can reach lethal temperatures within minutes.
• Exercise caution outdoors: If you work or spend time outside, take additional safety measures.
• Select the ideal time: If possible, move strenuous activities to early morning or evening for more favorable conditions.
• Recognize warning signs: Familiarize yourself with symptoms of heat exhaustion and heat stroke.
• Dress for comfort: Wear lightweight and loose-fitting clothing to stay cool.

To minimize risks during outdoor work, the Occupational Safety and Health Administration (OSHA) advises incorporating frequent rest breaks in shaded or air-conditioned areas. If someone experiences heat-related symptoms, promptly relocate them to a cool and shaded spot. In case of an emergency, dial 911.

Source: The National Weather Service

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This story was originally published June 13, 2026 at 1:50 AM.