WMBF News reports that MYRTLE BEACH, SC (WMBF) - We’re giving you the First Alert to the second heat wave of the season for the upcoming weekend.

Heat index values could reach 105-110° by the weekend and your First Alert Weather team is tracking it now so you can plan ahead.

Here’s a day-by-day breakdown of what’s coming.

It’s another seasonable but humid Tuesday across the Grand Strand and Pee Dee.

Afternoon temperatures will reach near 90° at the beaches and into the lower 90s inland.

Factor in the humidity, and the heat index will feel close to 100° for much of the afternoon.