South Carolina Moderate Heat Advisory | Effective 08/19/2026 11:14
* WHAT...Heat index values up to 105.
* WHERE...Williamsburg County.
* WHEN...Until 8 PM EDT this evening.
* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.