Hot and humid today, slight chance of thunderstorms

This screen capture from the surfcam at the Tides Folly Beach hotel shows the sun trying to burn through the haze shortly after sunrise today.

Today will be mostly sunny with a slight chance of showers and thunderstorms this afternoon, according to the forecast from the National Weather Service. Highs will be in the upper 90s, except in the lower 90s near the coast. Heat index readings may be up to 105, with winds from the west at 10 to 15 mph. The chance of rain is 20 percent.

Tonight will be mostly cloudy with a slight chance of showers and thunderstorms. Lows will be in the mid 70s, with southwest winds at 10 to 15 mph with gusts up to 25 mph. Winds will become west at 5 to 10 mph after midnight. The chance of rain tonight is 20 percent.

Sunday will be mostly sunny, with a slight chance of showers and thunderstorms in the afternoon. Highs will be in the lower 90s, except in the upper 80s near the coast. Winds will be from the northwest around 5 mph, becoming southwest in the afternoon. The chance of rain is 20 percent.

Sunday night will be partly cloudy with a slight chance of showers and thunderstorms. Lows will be in the mid 70s, with south winds at 5 to 10 mph. The chance of rain Sunday night is 20 percent.

For up-to-the minute weather information, including extended forecasts and interactive radar, go to postandcourier.com/weather.