Chattanooga Sets Record for 45 Days Over 90°F
Chattanooga Sets Record for 45 Days Over 90°F
US · Published Sep 18, 2026
Chattanooga, Tennessee, has set a 147-year record with 45 consecutive days of temperatures reaching 90°F (32°C) or higher, according to the National Weather Service.
This streak began on August 3 and has been fueled by a persistent heat dome centered over the region.

Impact & Risks

The prolonged heat has strained local infrastructure and increased risks of heat-related illnesses. Vulnerable populations, including the elderly and outdoor workers, are particularly at risk. The Tennessee Valley Authority reported record power demand on September 3, highlighting the strain on energy resources. Residents are advised to take precautions as the heat wave continues.

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