Thursday
Mostly cloudy
High:
14°F
Mostly cloudy, with a high near 14. North northwest wind 3 to 5 mph.
Decatur, IL Weather - Extended Forecast
Thursday Night
Partly cloudy
Overnight low:
-5°F
Partly cloudy, with a low around -5. North wind 3 to 6 mph.
Friday
Mostly sunny
High:
12°F
Mostly sunny, with a high near 12. North wind 6 to 8 mph.
Friday Night
Partly cloudy
Overnight low:
-2°F
Partly cloudy, with a low around -2.
Saturday
Mostly sunny
High:
17°F
Saturday Night
Partly cloudy
Sunday
Mostly sunny
High:
21°F
Sunday Night
Mostly cloudy
Overnight low:
6°F
Monday
Mostly cloudy
High:
27°F