Sunday
Mostly sunny
High:
28°F
Mostly sunny, with a high near 28. Calm wind becoming south southwest 5 to 7 mph in the afternoon.
Marion, IL Weather - Extended Forecast
Sunday Night
Mostly cloudy
Overnight low:
18°F
Mostly cloudy, with a low around 18. South southwest wind 3 to 6 mph.
Monday
Partly sunny
High:
37°F
Partly sunny, with a high near 37. West wind 3 to 6 mph.
Monday Night
Mostly cloudy
Overnight low:
23°F
Mostly cloudy, with a low around 23. Light and variable wind.
Tuesday
Mostly cloudy
High:
41°F
Tuesday Night
Chance of rain
Overnight low:
29°F
Wednesday
Chance of rain
High:
38°F
Wednesday Night
Mostly cloudy
Overnight low:
22°F
Thursday
Partly sunny
High:
35°F