| NWS Forecast for: McCormick County Issued by: National Weather Service Columbia, SC Last Update: 608 AM EDT Sat Aug 15 2026 |  |
Today: Mostly sunny. A slight chance of showers and thunderstorms this afternoon. Highs in the mid 90s. West winds around 5 mph this morning, becoming light and variable. Chance of rain 20 percent. Heat index values up to 108. Tonight: Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear after midnight. Humid with lows in the mid 70s. Light and variable winds. Chance of rain 20 percent. Sunday: Sunny with highs in the upper 90s. Light and variable winds, becoming west around 5 mph in the afternoon. Heat index values up to 111. Sunday Night: Mostly clear. Humid with lows in the upper 70s. Light and variable winds, becoming west around 5 mph after midnight. Monday: Sunny, hot with highs around 102. West winds around 5 mph. Heat index values up to 112. Monday Night: Mostly clear. Lows in the upper 70s. Heat index values up to 110 early in the evening. Tuesday: Sunny, hot with highs around 100. Heat index values up to 110. Tuesday Night: Mostly clear. Lows in the mid 70s. Wednesday: Sunny. Highs in the upper 90s. Heat index values up to 110 in the afternoon. Wednesday Night: Partly cloudy. Lows in the mid 70s. Thursday: Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 90s. Chance of rain 30 percent. Heat index values up to 110 in the afternoon. Thursday Night: Mostly cloudy in the evening, then becoming partly cloudy. A chance of showers and thunderstorms. Lows in the mid 70s. Chance of rain 30 percent. Friday: Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 30 percent. | |
| Zone Forecast: McCormick County | |
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