FIRST ALERT: Excessive heat and humidity through the end of the week

Published: Jul. 26, 2022 at 4:09 AM EDT|Updated: Jul. 26, 2022 at 3:46 PM EDT
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MYRTLE BEACH, SC (WMBF) - A sprawling area of high pressure will continue to pump high heat and humidity into the region through the end of the week with several days of dangerous heat indices likely.


Morning temperatures will start out just barely below 80 on Wednesday morning and will rapidly climb. By the afternoon, temperatures along the Grand Strand will reach the lower 90s while inland areas reach the middle 90s. High humidity will once again push the heat index to between 102 and 107. High pressure will keep a lid on any pop up showers and Storms that try to develop.

Heat index forecast Wednesday
Heat index forecast Wednesday(WMBF)


Heat Advisories will likely be needed starting by the end of the week as excessive heat and humidity pushes the heat index to 105 to 110 starting on Thursday. Actual temperatures will continue in the lower to middle 90s. The forecast will generally remain rain-free Thursday and Friday with just one or two isolated downpours possible Friday afternoon and evening.

Very hot and humid.
Very hot and humid.(WMBF)


The excessive heat and humidity will continue into Saturday before briefly easing up just a bit. The heat index on Saturday will return to 105 to 110 with actual temperatures in the lower to middle 90s. Sunday will see temperatures fall just a degree or two.

As high pressure weakens just slightly, the chance of a few pop up showers and storms will creep back up to 30% for the weekend.

A better chance of pop up storms.
A better chance of pop up storms.(WMBF)

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