Columbia, South Carolina –Scorching temperatures and dangerous afternoon storms are set to collide in Columbia this Sunday, bringing the summer’s most intense heat and a high risk of pop-up thunderstorms. With highs reaching 98°F and a heat index soaring to 107°, anyone planning to travel or spend time outside should take precautions early in the day. Residents and drivers along I-26 and I-20 should watch for sudden downpours and hazardous road conditions after 2 p.m.
According to the National Weather Service in Columbia, a chance of showers and thunderstorms will increase sharply Sunday afternoon, with storms potentially producing heavy rainfall and gusty winds. Most of the Columbia metro area—including Lexington, Richland, and Sumter counties—could see rapidly changing weather and possible localized flooding in low-lying areas and busy highways. Light northwest winds will offer little relief from the humidity, and the heat index will be dangerous, especially for vulnerable groups.
Anyone with outdoor plans should hydrate, limit strenuous activity, and seek shade during peak heat. If thunder roars, move indoors immediately—lightning can strike with little warning. Drivers should reduce speed and avoid flooded roads, especially in known trouble spots near the Congaree River and major intersections. Power outages are possible in strong storms, so charging mobile devices ahead of time is recommended.
This summer weather pattern persists into next week. Monday remains mostly sunny and hot, with a high of 96°F and storm chances climbing after 2 p.m. By Tuesday, widespread thunderstorms become likely—along with highs near 93°F and nighttime lows in the mid-70s. The unsettled weather continues through Wednesday and Thursday, with frequent storm chances and daytime highs hovering around 92°F.
Five Day Weather Outlook for Columbia, SC:
- Sunday (High: 98°F): Sunny, then afternoon thunderstorms. Heat index up to 107°. Storm risk after 2 p.m.
- Monday (High: 96°F): Mostly sunny, then storms likely after 2 p.m. Hot and humid.
- Tuesday (High: 93°F): Thunderstorms likely, especially after 2 p.m. Rain could be heavy at times.
- Wednesday (High: 91°F): More showers and storms likely. Slightly cooler but still humid.
- Thursday (High: 92°F): Partly sunny, showers and thunderstorms likely throughout the day.
