Heat advisory for Lowcountry for Friday

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At 2:20 p.m. on Thursday, the NWS Charleston SC released a heat advisory valid for Friday between 11 a.m. and 7 p.m. The advisory is for Coastal Colleton and Coastal Jasper as well as Beaufort County.

The NWS informs, "Heat index values up to 110 degrees expected."

"Heat related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high humidity may cause heat illnesses," says the NWS.

This advisory is in effect until Friday at 7 p.m.

Protect yourself during a heat wave with these tips from the NWS

• Stay hydrated: Keep yourself well-hydrated by drinking plenty of fluids.
• Seek cool shelter: Opt for an air-conditioned room to stay comfortable.
• Look out for others: Stay out of the sun, and check up on 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.
• Take extra precautions outdoors: If you work or spend time outside, be sure to take additional safety measures.
• Select the ideal time: If possible, move strenuous activities to early morning or evening for more favorable conditions.
• Familiarize yourself with warning signs: Know the symptoms of heat exhaustion and heat stroke.
• Dress comfortably: Wear lightweight and loose-fitting clothing.

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 July 9, 2026 at 2:25 PM.