CHARLESTON, SC (WCSC) - A new week picks up where last week left off in terms of scorching hot weather. Monday's heat index rose to more than 115 degrees in some parts of the Lowcountry.
At 3:30 p.m., the heat index in Charleston was 117 degrees.
Temperatures are in the mid to upper 90's Monday and heat index values soared across parts of southeast South Carolina.
The National Weather Service has issued a severe thunderstorm warning in effect until 4:30 p.m. Monday for Berkeley, Charleston, Colleton, Dorchester, Beaufort and Clarendon Counties.
A severe thunderstorm watch is also in effect until 9 p.m. for Berkeley, Charleston, Colleton, Dorchester, Beaufort, Hampton, Jasper and Allendale Counties.
Heat index values will fall below 105 degrees toward sunset Monday evening and possibly a bit sooner in locations where scattered thunderstorms may develop later in the day.
An excessive heat warning is in effect from 11 a.m. until 8 p.m.
Overnight, expect partly cloudy skies with lows only in the upper 70's. The next few days will bring more heat and humidity with highs again in the mid 90's. Rain chances do improve a little for the next few afternoons as storms will be developing along the sea breeze, some of them could be strong to severe.
The risk for heat related illnesses will be especially high due to the long duration of this ongoing heat wave. necessary precautions should be taken.
Residents and visitors are encouraged to drink plenty of fluids, stay out of the sun, check up on the elderly and stay in an air conditioned location if possible.
Water temperatures for Lowcountry beaches according to Swellinfo.com are as follows:
Folly Beach: 85 degrees
Edisto Beach: 85 degrees
Pawley's Island: 81 degrees
Myrtle Beach: 81 degrees
Hilton Head: 86 degrees
Tybee Island, Ga: 89 degrees