National Weather Service United States Department of Commerce

Oppressive heat and humidity building into the central and southeast U.S.

A heat wave is building into parts of the central and southeast U.S. this week. The combination of heat and humidity will lead to dangerous heat indices, especially in parts of the central Mississippi River Valley where an Excessive Heat Warning is in effect. Heat Advisories are in effect elsewhere across the region. Relief is not expected for several days.
Read More...

Current Conditions

Charleston County

Zone Forecast

  • Today Sunny. A slight chance of showers and thunderstorms this afternoon. Highs in the upper 90s...except in the mid 90s near the coast. Heat index readings up to 108. Southwest winds 5 to 10 mph. Chance of rain 20 percent.
  • Tonight Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the upper 70s. Southwest winds 5 to 10 mph. Chance of rain 20 percent.
  • Friday Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Heat index readings up to 107. Southwest winds 5 to 10 mph. Chance of rain 20 percent.
  • Friday Night Mostly cloudy in the evening...then becoming partly cloudy. Lows in the upper 70s. Southwest winds 5 to 10 mph.
  • Saturday Partly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. West winds 5 to 10 mph. Chance of rain 20 percent. Heat index readings up to 108.
  • Saturday Night Mostly cloudy with a chance of showers and thunderstorms. Lows in the upper 70s. Chance of rain 30 percent.
  • Sunday Partly sunny with a chance of showers and thunderstorms. Highs around 90. Chance of rain 30 percent.
  • Sunday Night Mostly cloudy with a slight chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 20 percent.
  • Monday Partly sunny with a slight chance of showers and thunderstorms. Highs in the upper 80s. Chance of rain 20 percent.
  • Monday Night Mostly cloudy with a slight chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 20 percent.
  • Tuesday Partly sunny with a slight chance of showers and thunderstorms. Highs in the upper 80s. Chance of rain 20 percent.
  • Tuesday Night Mostly cloudy with a slight chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 20 percent.
  • Wednesday Partly sunny with a slight chance of showers and thunderstorms. Highs in the upper 80s. Chance of rain 20 percent.