Spartanburg, SC – Drivers and residents in Spartanburg and surrounding areas face a hot and stormy Friday, August 1st, with heat indices soaring between 102 and 105. Afternoon thunderstorms could trigger isolated flash flooding, especially near urban zones. Stay alert and avoid unnecessary travel, particularly along I-26, where water pooling and slick roads may develop by mid-afternoon.
According to the National Weather Service, thunderstorms will likely arrive between 3 p.m. and 6 p.m., with a strong chance of rainfall reaching up to three-quarters of an inch in localized spots. The Piedmont region of South Carolina, including Spartanburg, will experience the highest heat and humidity levels, increasing heat stress risk.
Temperatures will climb to a high near 94°F, but the heat index may feel closer to 105°F. This summer weather alert calls for residents to stay hydrated, limit outdoor exposure, and keep an eye on weather updates through the afternoon. Charging mobile devices and preparing for possible power outages due to storms is also advised.
The weekend looks somewhat cooler but unsettled. Saturday carries a 30-40% chance of showers and thunderstorms, mainly after 2 p.m., with highs near 78°F. Sunday will be partly sunny with lingering chances of showers, holding a high around 80°F. Temperatures moderate further into early next week with highs in the low 80s and scattered showers continuing through Wednesday.
Warnings remain in effect through Friday evening, with additional updates expected if storms intensify. Avoid flooded roads and keep emergency supplies ready as this heat and rain combo unfolds.
Five-Day Forecast (Spartanburg, SC)
Friday, August 1: High 94°F, heat index near 105. Thunderstorms likely 3-6 p.m. with 60% chance of rain.
Friday Night: Showers early, low 68°F, 50% chance of rain.
Saturday, August 2: High 78°F, slight chance of showers; 40% chance of storms in afternoon.
Saturday Night: Low 66°F, 40% chance of showers and thunderstorms.
Sunday, August 3: High 80°F, partly sunny with 30% chance of showers.
Sunday Night: Low 64°F, 30% chance of showers.
Monday, August 4: Mostly sunny, high 84°F.
Monday Night: Low 66°F, 30% chance of showers.
Tuesday, August 5: High 81°F, 30% chance of showers and thunderstorms.
Wednesday, August 6: High 84°F, 40% chance of showers and thunderstorms.
