FIRST ALERT: Triple-Digit Heat Index This Week — What You Need to Know

WMBF News reports that MYRTLE BEACH, SC (WMBF) - We’re giving you the First Alert to the hottest stretch of the year so far, arriving Thursday and lasting through the weekend.

Morning clouds give way to more peeks of afternoon sunshine.

Temperatures climb to the mid-80s near the beach and into the lower 90s across the Pee Dee.

With building humidity ahead of the warmup, the heat index will climb into the mid-upper 90s.

Thursday through Sunday will be the stretch of weather to watch.

Actual temperatures will climb into the mid-to-upper 90s across the Pee Dee each afternoon.