Sunday
Sunny
High:
23°F
Sunny, with a high near 23. Calm wind becoming south southwest 5 to 8 mph in the morning.
Decatur, IL Weather - Extended Forecast
Sunday Night
Mostly cloudy
Overnight low:
15°F
Mostly cloudy, with a low around 15. South wind around 7 mph.
Monday
Mostly cloudy
High:
30°F
Mostly cloudy, with a high near 30. West wind 5 to 7 mph.
Monday Night
Mostly cloudy
Overnight low:
18°F
Mostly cloudy, with a low around 18.
Tuesday
Cloudy
High:
32°F
Tuesday Night
Chance of snow
Overnight low:
22°F
Wednesday
Mostly cloudy
High:
30°F
Wednesday Night
Mostly cloudy
Overnight low:
15°F
Thursday
Partly sunny
High:
29°F