Decatur, IL Weather - Extended Forecast

Wednesday

Sunny

High:
80°F

Showers likely and possibly a thunderstorm, mainly after 4pm. Increasing clouds, with a high near 80. South wind 7 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Wednesday Night

Thunderstorms likely

Overnight low:
57°F

Showers and thunderstorms likely before 10pm, then showers likely and possibly a thunderstorm between 10pm and 1am. Mostly cloudy, with a low around 57. South wind 9 to 14 mph becoming west northwest after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Thursday

Breezy, partly sunny

High:
66°F

A 30 percent chance of showers after 1pm. Partly sunny, with a high near 66. Breezy, with a west northwest wind 14 to 22 mph, with gusts as high as 32 mph.

Thursday Night

Partly cloudy

Overnight low:
46°F

Partly cloudy, with a low around 46. Breezy, with a north northwest wind 10 to 20 mph, with gusts as high as 30 mph.

Friday

Sunny

High:
65°F

Friday Night

Partly cloudy

Overnight low:
49°F

Saturday

Mostly sunny

High:
69°F

Saturday Night

Partly cloudy

Overnight low:
49°F

Sunday

Mostly sunny

High:
72°F

Sunday Night

Partly cloudy

Overnight low:
52°F

Monday

Mostly sunny

High:
75°F