Heat in Decatur, Tennessee

Heat July 18, 2025 · Decatur, Tennessee

What the National Weather Service wrote

Maximum heat index of 108.

The wider storm

Another hot and humid day for the Mid-South. A stationary cold front was situated just north of the AR/MO and TN/KY state lines, which trapped the region on the hot and humid side of the boundary. Afternoon heat indices ranged from 105 to 109 degrees.

Source: NOAA Storm Events Database, event 1281615. Narratives are written by the National Weather Service forecast office that issued the report.

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