FIRST ALERT: Heat index returning to the triple digits - WMBFNews.com, Myrtle Beach/Florence SC, Weather

FIRST ALERT: Heat index returning to the triple digits

Weather pattern this week Weather pattern this week
Heat index forecast Heat index forecast

MYRTLE BEACH, SC (WMBF) A drier and hotter weather pattern is setting in for the rest of the week. 

A large area of high pressure off shore will build into the region today through Friday.  This area of high pressure will bring a temporary end to daily storm chances and crank the heat and humidity. 

Today will turn out mostly sunny and storm-free, as the area of high pressure moves in.  Afternoon temperatures will reach the upper 80s to near 90 at the beach and into the lower 90s inland.  These temperatures combined with high humidity will push heat index to 100-103. 

Rain-free but hot weather lingers into Thursday with temperatures in the lower to middle 90s and the heat index near 105 in the afternoon. 

The area of high pressure will begin to loosen it's grip by the weekend.  As a result, afternoon thunderstorms will turn more likely once again by Saturday and Sunday as humidity levels remain high.  There is a chance that Sunday turns out to be the most unsettled day with thunderstorms likely at times through the day. 

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