Thursday
Mostly sunny
High:
91°F
A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91. South southwest wind 10 to 18 mph, with gusts as high as 29 mph.
Decatur, IL Weather - Extended Forecast
Thursday Night
Showers
Overnight low:
66°F
Showers and possibly a thunderstorm before 1am. Low around 66. South southwest wind 8 to 16 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Friday
Sunny
High:
82°F
Sunny, with a high near 82. West northwest wind 7 to 10 mph, with gusts as high as 17 mph.
Friday Night
Mostly clear
Overnight low:
62°F
Mostly clear, with a low around 62.
Saturday
Sunny
High:
85°F
Saturday Night
Partly cloudy
Overnight low:
64°F
Sunday
Mostly sunny
High:
80°F
Sunday Night
Chance of showers
Overnight low:
59°F
Monday
Mostly sunny
High:
77°F