FIRST ALERT: Back to summer heat and humidity

Published: Jul. 15, 2026 at 3:58 AM EDT|Updated: 2 hours ago

MYRTLE BEACH, SC (WMBF) - We’re giving you the FIRST ALERT to a drier and hotter forecast by the end of the week and into the upcoming weekend.

Wednesday

Morning clouds will gradually give way to more sunshine and brighter skies by the middle of the day and into the afternoon hours. A light southerly wind will begin to pump in the heat.

Clouds will linger near the beaches today, but don't sleep on the sunshine. Peeks of sunshine...
Clouds will linger near the beaches today, but don't sleep on the sunshine. Peeks of sunshine become more common, climbing our temperatures to the upper 80s today.(WMBF)

Afternoon temperatures will reach the upper 80s to near 90 along the beaches.

Highs across the Pee Dee will reach the lower 90s today with plenty of sunshine this afternoon.
Highs across the Pee Dee will reach the lower 90s today with plenty of sunshine this afternoon.(WMBF)

As you move inland, expect a warm forecast with highs reaching the lower 90s. With the humidity in place today, the heat index will return to near 100 by the afternoon.

A stray shower along the Grand Strand cannot be ruled out today, but most locations should remain dry.

A stray shower remains possible with the leftover front, but it's a smaller chance today.
A stray shower remains possible with the leftover front, but it's a smaller chance today.(WMBF)

Heat Returns

Summer heat builds for the rest of the week and into the weekend. Highs will gradually climb into the lower 90s for the Grand Strand from Thursday through Sunday. Inland areas will see temperatures reach into the middle 90s.

Here comes the humidity! It's going to turn warm and humid for the end of the work week.
Here comes the humidity! It's going to turn warm and humid for the end of the work week.(WMBF)

Our humidity levels will return to the STEAMY range once again and result in a heat index increasing to near 105 by Thursday and over 105 by Friday and through the weekend. Heat Advisories may once again be issued for the area later this week and through the weekend.

It's a hot and humid weekend. Feels like temperatures will range from 105 or higher through...
It's a hot and humid weekend. Feels like temperatures will range from 105 or higher through the weekend with the risk of a couple isolated storms.(WMBF)

The rest of the work week looks dry, with the next risk of showers and storms holding off until the isolated chances for the upcoming weekend.

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