Decatur, IL Weather - Extended Forecast

Sunday

A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 79. Breezy, with a south wind 17 to 26 mph, with gusts as high as 39 mph.

Sunday Night

Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am. Low around 64. Breezy, with a south wind 17 to 21 mph, with gusts as high as 32 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Monday

Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 74. Breezy, with a south wind 17 to 22 mph, with gusts as high as 31 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Monday Night

A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 54. Southwest wind 12 to 17 mph becoming west northwest 6 to 11 mph after midnight. Winds could gust as high as 25 mph.

Tuesday

Tuesday Night

Wednesday

Wednesday Night

Thursday

Thursday Night

Friday