Updated

East Tennessee endured a late-summer heat wave with near-record high temperatures and dangerous heat index values through the weekend of September 5-6, 2026. During Tennessee football's home opener in Knoxville, AMR reported roughly 200 calls for service and 15 people transported to hospitals for heat-related emergencies; officials said the toll would have been worse without on-site UT Medical event medicine staff. Conditions were expected to moderate for Labor Day itself, with cooler temperatures and a chance of scattered showers and thunderstorms across the region, before heating back up midweek with increasing thunderstorm chances.