UPDATE: Union County below a warmth advisory till Saturday night

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On Saturday at 12:09 p.m. the NWS Greenville-Spartanburg SC issued an updated heat advisory in effect until 8 p.m. for Union County.

The NWS informs, “Heat index values up to 107 degrees.”

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

This advisory is in effect until 8 p.m.

NWS Heat Wave Safety Tips: Stay safe with these recommendations

• Stay hydrated: Remember to drink 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.
• Be cautious outdoors: Take extra precautions if you work or spend time outside.
• Consider the timing: When possible reschedule strenuous activities to early morning or evening.
• Familiarize yourself with warning signs: Know the symptoms of heat exhaustion and heat stroke.
• Dress comfortably: Wear lightweight and loose-fitting clothing.

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 initially printed July 18, 2026 at 2:20 AM.