Extreme heat watch active for Lowcountry Wednesday
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The NWS Charleston SC issued an extreme heat watch at 12:56 p.m. on Tuesday valid for Wednesday between 11 a.m. and 7 p.m. The watch is for Inland Berkeley, Coastal Colleton, Coastal Jasper and Tidal Berkeley as well as Beaufort and Charleston counties.
The NWS informs, "Dangerously hot conditions with heat index values of 112 to 116 degrees possible."
"Heat related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high humidity may cause heat illnesses," comments the NWS.
This watch is in effect until Wednesday at 7 p.m.
Protect yourself during a heat wave with these tips from the NWS
- Stay hydrated: Remember to drink plenty of fluids.
- Seek shelter: Stay indoors in an air-conditioned room to keep cool.
- Look out for others: Stay out of the sun, and check up on relatives and neighbors.
- Child and pet welfare: Never forget to safeguard young children and pets by not leaving them unattended in vehicles, especially during scorching weather when car interiors can become life-threateningly hot.
- Be mindful outdoors: Take extra precautions when working or spending time outside.
- Optimal Timing: When possible, reschedule strenuous activities to early morning or evening.
- Recognize warning signs: Know the signs and symptoms of heat exhaustion and heat stroke.
- Dress appropriately: Wear lightweight, loose-fitting clothing to stay comfortable.
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 July 7, 2026 at 12:59 PM.