Tuesday
Mostly sunny
High:
82°F
Mostly sunny, with a high near 82. East wind 3 to 5 mph.
Decatur, IL Weather - Extended Forecast
Tuesday Night
Partly cloudy
Overnight low:
57°F
Partly cloudy, with a low around 57. Light and variable wind.
Wednesday
Mostly sunny
High:
83°F
A 30 percent chance of showers after 1pm. Mostly sunny, with a high near 83.
Wednesday Night
Chance of showers
Overnight low:
50°F
A 40 percent chance of showers before 1am. Mostly cloudy, with a low around 50.
Thursday
Mostly sunny
High:
69°F
Thursday Night
Mostly clear
Overnight low:
48°F
Friday
Mostly sunny
High:
76°F
Friday Night
Mostly clear
Overnight low:
50°F
Saturday
Sunny
High:
78°F