NWS Forecast for: Charleston County Issued by: National Weather Service Charleston, SC Last Update: 249 PM EDT Sat Jun 23 2018

Heat Advisory Hazardous Weather Outlook Excessive Heat Watch Tonight: Mostly cloudy with a slight chance of showers and thunderstorms this evening, then partly cloudy after midnight. Lows in the upper 70s. Southwest winds 10 to 15 mph. Chance of rain 20 percent. Sunday: Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Heat index values up to 113 in the afternoon. Southwest winds 10 to 15 mph. Chance of rain 20 percent. Sunday Night: Partly cloudy. A slight chance of showers and thunderstorms after midnight. Lows in the upper 70s. Heat index values up to 110 early in the evening. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 20 percent. Monday: Partly sunny. A chance of showers and thunderstorms, mainly in the morning. Highs in the mid 90s, except in the lower 90s near the coast. Southwest winds 10 to 15 mph. Chance of rain 30 percent. Heat index values up to 108. Monday Night: Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers and thunderstorms. Lows in the mid 70s. Southwest winds 10 to 15 mph. Chance of rain 50 percent. Heat index values up to 105 early in the evening. Tuesday: Showers and thunderstorms likely. Highs in the upper 80s. Chance of rain 60 percent. Tuesday Night: Mostly cloudy with a chance of showers and thunderstorms. Lows in the mid 70s. Chance of rain 40 percent. Wednesday: Partly sunny with a slight chance of showers and thunderstorms. Highs in the upper 80s. Chance of rain 20 percent. Wednesday Night: Mostly cloudy. Lows in the mid 70s. Thursday: Partly sunny with a slight chance of showers and thunderstorms. Highs in the lower 90s. Chance of rain 20 percent. Thursday Night: Partly cloudy with a slight chance of showers and thunderstorms. Lows in the mid 70s. Chance of rain 20 percent. Friday: Partly sunny with a chance of showers and thunderstorms. Highs around 90. Chance of rain 40 percent. Friday Night: Mostly cloudy with a slight chance of showers and thunderstorms. Lows in the mid 70s. Chance of rain 20 percent. Saturday: Partly sunny with a chance of showers and thunderstorms. Highs in the upper 80s. Chance of rain 30 percent.

Zone Forecast: Charleston County

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