Decatur, IL Weather - Extended Forecast

Thursday

Rain

High:
48°F

Rain before 3pm, then a chance of rain and snow. Temperature rising to near 48 by 8am, then falling to around 37 during the remainder of the day. Breezy, with a south wind 16 to 22 mph becoming west in the afternoon. Winds could gust as high as 34 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

Thursday Night

Mostly cloudy

Overnight low:
15°F

Mostly cloudy, with a low around 15. Blustery, with a west northwest wind 13 to 23 mph, with gusts as high as 31 mph.

Friday

Mostly sunny

High:
31°F

Mostly sunny, with a high near 31. West northwest wind 6 to 11 mph becoming south in the afternoon. Winds could gust as high as 17 mph.

Friday Night

Mostly cloudy

Overnight low:
25°F

Mostly cloudy, with a low around 25.

Saturday

Partly sunny

High:
48°F

Saturday Night

Mostly cloudy

Overnight low:
27°F

Sunday

Mostly sunny

High:
39°F

Sunday Night

Mostly cloudy

Overnight low:
27°F

Monday

Partly sunny

High:
41°F