| NWS Forecast for: Coastal Jasper Issued by: National Weather Service Charleston, SC Last Update: 537 PM EDT Wed Jun 17 2026 |  |
| Tonight: Mostly cloudy with a slight chance of showers and thunderstorms this evening, then partly cloudy after midnight. Lows in the mid 70s. Southwest winds 10 to 15 mph. Chance of rain 20 percent. Thursday: Partly sunny. Showers and thunderstorms likely in the afternoon. Highs in the lower 90s. Heat index values up to 107. Southwest winds 10 to 15 mph. Chance of rain 70 percent. Thursday Night: Showers and thunderstorms likely in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. Lows in the lower 70s, except in the upper 70s near the coast. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 70 percent. Juneteenth: Showers. A slight chance of thunderstorms in the morning, then thunderstorms likely in the afternoon. Highs in the upper 80s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 80 percent. Friday Night: Mostly cloudy. Showers and thunderstorms likely in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. Lows in the mid 70s. West winds 5 to 10 mph. Chance of rain 70 percent. Saturday: Partly sunny with a chance of showers and thunderstorms. Highs in the lower 90s. Chance of rain 40 percent. Saturday Night: Partly cloudy. Lows in the mid 70s. Sunday: Mostly sunny with a slight chance of showers and thunderstorms. Highs in the lower 90s. Chance of rain 20 percent. Sunday Night: Partly cloudy. Lows in the mid 70s. Monday: Mostly sunny with a slight chance of showers and thunderstorms. Highs in the mid 90s. Chance of rain 20 percent. Heat index values up to 105 in the afternoon. Monday Night: Partly cloudy with a slight chance of showers and thunderstorms. Lows in the upper 70s. Chance of rain 20 percent. Tuesday: Mostly sunny with a chance of showers and thunderstorms. Highs in the mid 90s. Chance of rain 50 percent. Heat index values up to 110. Tuesday Night: Partly cloudy with a slight chance of showers and thunderstorms. Lows in the mid 70s. Chance of rain 20 percent. Heat index values up to 105 early in the evening. Wednesday: Mostly sunny with a chance of showers and thunderstorms. Highs in the lower 90s. Chance of rain 40 percent. | |
| Zone Forecast: Coastal Jasper | |
Visit your local NWS office at: https://www.weather.gov/chs |