Spartanburg, S.C. – Afternoon thunderstorms could slow commutes and outdoor plans across Upstate South Carolina beginning today and continuing into the weekend. Brief but heavy rain, lightning, and gusty winds are possible, with the strongest storms expected Friday and Saturday.
According to the National Weather Service in Greenville-Spartanburg, today carries a 30 percent chance of showers and storms, mainly between 3 and 4 p.m., with highs near 85. The pattern intensifies Friday, when rain chances rise to 40 percent after 2 p.m. and linger into the night. By Saturday, the threat grows to 50 percent, bringing a higher risk of downpours and lightning for evening activities.
Drivers on I-85, I-26, and surrounding roads should prepare for sudden slowdowns during heavy rain. Outdoor events and high school football scrimmages later this week may also face interruptions. The NWS advises avoiding open fields during lightning and delaying travel when storms are active.
Calmer weather is expected to return by Sunday night into Monday, with mostly sunny skies and highs in the low 80s early next week. Additional updates and advisories are possible if storm activity strengthens.
Five Day Forecast for Spartanburg, SC
- Tuesday: High 85, scattered thunderstorms mainly mid-afternoon.
- Wednesday: Mostly sunny, high 88, low 70.
- Thursday: Mostly sunny, high 87, storm chance late.
- Friday: High 78, thunderstorms possible after 2 p.m.
- Saturday: High 79, scattered storms likely, especially late.




