Spartanburg, South Carolina, is bracing for a return of unsettled summer weather as thunderstorms roll in Sunday evening, just as residents wrap up their Independence Day celebrations. The National Weather Service reports that a 30% chance of thunderstorms will begin after 5 p.m. Sunday, with increased storm activity expected through the night and into the following week. The primary concerns are scattered lightning, downpours, and gusty winds that could affect travel on major roads like I-85 and I-26.
Sunday Evening Storm Risks
Starting Sunday at 5 p.m., thunderstorms are expected to impact Spartanburg, with the most intense storm activity occurring between 5 p.m. and 10 p.m. The combination of heavy rain, lightning, and gusty winds may cause disruptions for outdoor activities, travel, and evening plans. Drivers on major highways should stay alert for slick roads and low visibility, especially during the evening commute.
Heat and Humidity Concerns
In addition to the storm risks, heat remains a concern, with temperatures expected to reach 92°F on both Thursday and Independence Day. The humidity will make it feel even hotter, so residents are urged to stay hydrated, limit outdoor activities during peak sun hours, and ensure pets and children are not left in vehicles.
Continued Storm Chances Early Next Week
The chance for afternoon thunderstorms will persist into the start of the week, with a 30% chance of storms on Monday and Tuesday, accompanied by highs near 91–92°F. These storms may bring gusty winds and brief flooding, especially in low-lying areas. The weather could disrupt outdoor events or cookouts, so having indoor backup plans is a good idea.
Five-Day Forecast for Spartanburg (July 4–9)
Friday (July 4 – Independence Day): Sunny, high near 92°F, calm winds of 5–7 mph.
Saturday: Sunny, high near 89°F, partly cloudy overnight with a low near 69°F.
Sunday: 30% chance of storms after 5 p.m., high near 88°F.
Monday: 30% chance of afternoon storms, high near 91°F, low near 72°F.
Tuesday: 30% chance of storms, high near 92°F.
Preparing for the Weekend Weather
With thunderstorms on the horizon, especially on Sunday and Monday, it’s important to keep an eye on weather alerts, especially if you have outdoor plans. If you’re heading out for evening celebrations or cookouts, make sure to have backup indoor plans in case the storms arrive. Also, don’t forget to stay hydrated and take necessary precautions against the heat.
