Spartanburg, South Carolina – Relentless summer heat will grip Spartanburg Tuesday, July 8, as temperatures surge to 97°F and humidity pushes heat index values to a sweltering 100°F. The most urgent risk for residents is a round of strong thunderstorms expected after 4 p.m., bringing lightning and downpours that could disrupt travel on I-85 and local roads.
According to the National Weather Service, calm morning conditions will give way to west-southwest winds and building clouds through the afternoon. Thunderstorm chances rise sharply after 4 p.m., creating hazardous driving conditions and the potential for sudden power outages. Residents should plan ahead by staying indoors during peak heat, drinking extra water, and charging mobile devices in case of evening storms.
Tuesday’s intense heat and humidity will challenge outdoor workers and anyone without air conditioning. If you must be outside, take frequent breaks and check on neighbors, especially the elderly. Those planning to drive on I-85 or secondary roads late in the day should expect slick conditions and delays if storms move through.
Expect frequent weather updates as new advisories may be issued. Stay weather aware—South Carolina’s summer heat and storms demand your attention through the weekend.
Five-Day Bullet Point Forecast (Tuesday, July 8 – Saturday, July 13):
- Tuesday: High 97°F, heat index 100°F. Thunderstorms likely after 4 p.m.
- Wednesday: High 94°F. Showers and storms likely after 2 p.m.
- Thursday: High 92°F. Partly sunny, then thunderstorms likely in afternoon.
- Friday: High 89°F. Scattered thunderstorms possible, partly cloudy.
- Saturday: High 92°F. Partly cloudy, chance of afternoon storms.
