Spartanburg, South Carolina – Severe thunderstorms are expected to strike Spartanburg by mid-afternoon Wednesday, with the potential for hail, brief flooding, and dangerous travel on I-85. Residents should prepare now for possible delays, downed branches, and scattered power outages.
According to the National Weather Service in Greenville-Spartanburg, rain and storms will ramp up after 2 p.m. Wednesday, with a 50% chance of strong storms continuing into Wednesday night. Patchy fog may develop early, but the main hazard will be isolated thunderstorms capable of producing brief heavy rainfall and gusty winds.
Spartanburg County may see rainfall totals of up to a quarter inch Wednesday, especially along the I-85 corridor and U.S. Route 221. While widespread flooding isn’t expected, poorly drained areas and low-lying streets could briefly fill with water during downpours. Commuters should avoid flooded roads and use caution during peak travel times.
Showers may linger through Thursday and Friday, with thunderstorm chances hovering near 30–40%. Daytime highs will stay near 82°F through Thursday, warming to 84°F on Friday and pushing toward summer-like temperatures over the weekend.
5-Day Summer Outlook:
- Wednesday: 50% chance of PM storms, high near 78°F
- Thursday: Spotty storms continue, high 82°F
- Friday: Showers possible, high 78°F
- Saturday: Mostly sunny and dry, high 83°F
- Sunday: Classic summer weather, high near 84°F
Thunderstorm chances taper off by Saturday, but summer heat builds fast. Keep devices charged and stay weather-aware through Friday.