Decatur, IL Weather - Tomorrow’s Forecast

Tuesday

Thunderstorms

High:
79°F

Showers and thunderstorms, mainly before 1pm. High near 79. South southeast wind 13 to 17 mph becoming west southwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tuesday Night

Mostly clear

Overnight low:
56°F

Mostly clear, with a low around 56. West southwest wind 7 to 13 mph becoming south after midnight. Winds could gust as high as 18 mph.