Heat Wave Persists in Tennessee with Triple-Digit Feels-Like Temperatures
A prolonged heat wave continues to grip Tennessee, with temperatures reaching or exceeding 90°F (32°C) for 68 days so far this year. On September 14, 2026, afternoon highs are expected to feel like the upper 90s to low 100s (36-38°C). The heat will intensify further on Tuesday, with actual highs nearing 100°F (37.8°C) and heat index values potentially exceeding 109°F (42.8°C). A Heat Advisory has been issued for Tuesday from 11 a.m. to 8 p.m. CDT, as dry and hot conditions persist across the region. Typical highs for this time of year are significantly lower, averaging 85°F (29.4°C) in Nashville, 83°F (28.3°C) in Clarksville, and 78°F (25.6°C) in Crossville.