Decatur, IN (46733)

Today

Thunderstorms during the morning will give way to cloudy skies this afternoon. High 83F. Winds WSW at 10 to 15 mph. Chance of rain 100%..

Tonight

Mainly cloudy. A stray shower or thunderstorm is possible. Low around 65F. Winds NNW at 5 to 10 mph.

Updated: August 19, 2025 @ 8:43 am