Columbia, South Carolina – Prepare for a sweltering Thursday, as South Carolina braces for intense heat and fast-developing afternoon storms across Columbia and the Midlands. Commuters on US-1 and other major roadways should anticipate slick conditions after noon, with a heat index peaking near 103°F by late afternoon.
According to the National Weather Service, temperatures will climb to 95°F on July 17th, with scattered thunderstorms developing between noon and 5 p.m. The risk for sudden downpours and lightning will be highest along I-20, US-1, and downtown Columbia. South winds at 5 to 8 mph may offer slight relief, but humidity will make conditions dangerous for outdoor activity. Residents should limit time outside, drink plenty of water, and check on neighbors and pets.
Thunderstorm chances diminish by Thursday night, but another round of storms returns after 2 p.m. Friday, when highs push 98°F. Expect the heat to build through the weekend, with “feels-like” temperatures nearing 104°F on both Saturday and Sunday. Isolated storms remain possible each afternoon, particularly west of the city and near Lake Murray, potentially impacting outdoor events and weekend travel.
By Monday and Tuesday, highs remain in the upper 90s with scattered thunderstorms each afternoon, keeping conditions humid and unpredictable. Power outages and downed branches may occur with stronger cells. Stay weather-aware and have multiple ways to receive alerts.
Extended Five Day Forecast for Columbia, SC (Thursday, July 17 – Tuesday, July 22):
- Thursday: High 95°F, heat index 103°F, chance of thunderstorms after noon (50%).
- Friday: High 98°F, storms after 2 p.m. (30%).
- Saturday: High 98°F, afternoon storms possible (30%).
- Sunday: High 98°F, storms likely after 2 p.m. (40%).
- Monday: High 98°F, scattered storms (50%).
- Tuesday: High 96°F, more storms possible (50%).
Storm chances and dangerous heat persist into next week. Stay tuned for more advisories as summer weather risks continue.
