Monday
Mostly sunny
High:
94°F
Mostly sunny, with a high near 94. Heat index values as high as 110. Southwest wind 7 to 14 mph, with gusts as high as 23 mph.
Decatur, IL Weather - Extended Forecast
Monday Night
Mostly clear
Overnight low:
75°F
Mostly clear, with a low around 75. Southwest wind 8 to 13 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny
High:
89°F
Mostly sunny, with a high near 89. North northwest wind 9 to 13 mph, with gusts as high as 18 mph.
Tuesday Night
Mostly clear
Overnight low:
66°F
Mostly clear, with a low around 66. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Wednesday
Sunny
High:
86°F
Wednesday Night
Mostly clear
Overnight low:
64°F
Thursday
Sunny
High:
86°F
Thursday Night
Partly cloudy
Overnight low:
66°F
Friday
Mostly sunny
High:
86°F
Friday Night
Partly cloudy
Overnight low:
68°F
Saturday
Mostly sunny
High:
86°F