Columbia, SC – A wave of oppressive heat will grip the Midlands this week, sending heat index values soaring past 100 degrees just ahead of the Juneteenth holiday. Residents can expect mostly sunny and dangerously hot conditions Wednesday, creating significant risk for heat-related illnesses for anyone outdoors.
According to the National Weather Service, Wednesday will be sunny with a high near 95 degrees. However, humidity will make it feel as hot as 101°F. Southwest winds will remain light, offering little relief from the sweltering conditions. Health officials urge residents to stay hydrated, seek air-conditioned spaces, and limit strenuous outdoor activities during peak afternoon hours. The heat continues into Thursday, Juneteenth, with a high of 95 degrees and a renewed chance of afternoon thunderstorms after 2 p.m.
The pattern of afternoon storms will become a daily feature heading into the weekend. Friday brings a 30% chance of showers and thunderstorms, primarily after 2 p.m., with a high near 94. The weekend remains hot and humid, with highs in the mid-to-upper 90s on both Saturday and Sunday, each day carrying a possibility of scattered thunderstorms. Commuters along I-26 and I-20 should remain vigilant for sudden downpours that could reduce visibility and create hazardous driving conditions.
This persistent summer pattern is expected to continue into early next week, with Monday’s outlook showing a high near 98 degrees amid a mix of sun and clouds. Residents should prepare for the extended period of extreme heat and stay aware of daily storm possibilities.
Five-Day Forecast for Columbia:
- WEDNESDAY: Sunny and hot, with a high near 95°F.
- THURSDAY: Sunny, then a chance of T-storms, with a high near 95°F.
- FRIDAY: Mostly sunny, then a chance of T-storms, with a high near 94°F.
- SATURDAY: A chance of T-storms, then mostly clear, with a high near 97°F.
- SUNDAY: Sunny and hot, with a high near 97°F.
