The National Weather Service has issued a tornado watch for much of the Lowcountry until 9 p.m. Monday.
A small craft advisory is also expected to last through the night, according to the Weather Service.
Forecasters have predicted a possibility of severe thunderstorms around the Tricounty this afternoon and tonight.
Berkeley County School District canceled after-school athletic activities. After-school care and other events will continue as scheduled.
The possible storms may include damaging winds of 60 mph and isolated tornadoes. One to two inches of rain may also fall with the storm.
Winds are expected to increase to 40 mph Monday afternoon, and a wind advisory may be put into place, according to the National Weather Service.
The storms will be followed by a cold front, according to forecasters.
More rain may fall Tuesday with the chance of a thunderstorm.
The temperature is expected to drop Wednesday night to a low of 47 degrees.
Clear skies are likely Thursday with a high temperature around 70.
Low temperatures are expected to remain in the 50s throughout the weekend.