Nashville, TN – Scorching heat and afternoon thunderstorms will dominate Tennessee’s summer weather starting Thursday, July 17th — and it’s just the beginning.
According to the National Weather Service, Middle Tennessee will see heat index values reach a blistering 107°F Thursday afternoon, with thunderstorms possible after 2 p.m. in the Nashville metro. Drivers along Interstates 40 and 24 should expect rapid changes in visibility and slick pavement during afternoon commutes.
The day will start mostly sunny with temperatures climbing to a high near 98°F. Winds will stay light but variable, offering little relief from the heat. A 40% chance of thunderstorms kicks in Thursday afternoon, bringing potential for lightning and isolated downpours, especially across Davidson, Rutherford, and Wilson Counties.
Into the weekend, a familiar pattern continues — muggy conditions, hot highs in the mid-90s, and daily afternoon storm chances through Sunday. Rain chances hover around 50% most days, particularly in the late afternoon to evening hours. Outdoor events, pool days, and road trips should be planned with flexibility and weather alerts on standby.
By Monday and Tuesday, the heat holds with highs around 96°F to 98°F, and humidity continues to fuel scattered thunderstorm activity. No widespread severe threat is expected, but localized flooding and heat-related illnesses remain possible.
Warnings for heat and pop-up storms remain active through early next week. Stay hydrated, limit outdoor activity, and check for updates daily.
🌤️ Five-Day Forecast for Nashville, TN (July 17–22):
- Thursday (July 17): Mostly sunny, 40% chance of storms after 2 p.m. High near 98°F, heat index 107°F
- Friday: Partly sunny, 50% chance of storms in the afternoon. High near 95°F
- Saturday: Hot and humid, 50% chance of PM thunderstorms. High near 94°F
- Sunday: 50% chance of storms in the afternoon. Partly sunny, high near 95°F
- Monday: 30% chance of storms. Mostly sunny, high around 96°F
- Tuesday (July 22): Sunny and hot, slight chance of PM storms. High near 98°F
