Monday
Mostly sunny
High:
26°F
Mostly sunny, with a high near 26. North northeast wind around 5 mph becoming light and variable in the afternoon.
Decatur, IL Weather - Extended Forecast
Monday Night
Mostly cloudy
Overnight low:
19°F
Mostly cloudy, with a temperature falling to near 19 by 8pm, then rising to around 27 during the remainder of the night. South wind 5 to 14 mph, with gusts as high as 22 mph.
Tuesday
Partly sunny
High:
42°F
Partly sunny, with a high near 42. South southwest wind around 14 mph, with gusts as high as 22 mph.
Tuesday Night
Mostly cloudy
Overnight low:
34°F
A 40 percent chance of rain after midnight. Mostly cloudy, with a low around 34. Southwest wind 14 to 18 mph, with gusts as high as 26 mph.
Wednesday
Mostly cloudy
High:
41°F
Wednesday Night
Mostly cloudy
Overnight low:
22°F
Thursday
Chance of snow
High:
31°F
Thursday Night
Mostly cloudy
Overnight low:
13°F
Friday
Partly sunny
High:
20°F
Friday Night
Mostly cloudy
Overnight low:
2°F
Saturday
Mostly sunny
High:
15°F