Columbia, S.C. – South Carolina begins the week with dangerous heat as temperatures climb to 96°F in Columbia Monday, with heat index values pushing 103. The National Weather Service warns that calm winds and high humidity will make conditions feel oppressive for anyone spending extended time outdoors.
According to the National Weather Service in Columbia, Monday night brings a slight chance of thunderstorms before skies turn partly cloudy with lows near 74. The storm risk increases Tuesday afternoon as showers and thunderstorms develop, with up to a 30% chance of rain across Richland and Lexington counties.
Travelers on I-26 and I-20 may face brief delays from downpours or lightning Tuesday and Thursday afternoons. The strongest storms could bring gusty winds and heavy rain, though most areas will only see light precipitation.
Residents are urged to limit outdoor activity during peak heat hours, drink plenty of water, and ensure pets have access to shade. Afternoon storms later this week may also create localized power outages or minor flooding in low-lying areas.
Sunny skies return briefly Wednesday, but the unsettled pattern lingers with storm chances again Thursday and through the weekend.
Five-Day Forecast for Columbia, SC:
- Monday: Sunny, high 96°F. Heat index up to 103.
- Tuesday: Partly sunny, high 89°F. Afternoon thunderstorms likely.
- Wednesday: Sunny, high 91°F. Mostly clear overnight.
- Thursday: Mostly sunny, high 91°F. Afternoon storm chance.
- Friday: Showers possible, high 89°F. Storm chances continue into evening.
