Wednesday
Mostly sunny
High:
41°F
Mostly sunny, with a high near 41. South southwest wind 5 to 9 mph.
Mount Vernon, IL Weather - Extended Forecast
Wednesday Night
Mostly cloudy
Overnight low:
20°F
Mostly cloudy, with a low around 20. Light and variable wind becoming north northwest 5 to 9 mph after midnight.
Thursday
Partly sunny
High:
28°F
Partly sunny, with a high near 28. North northwest wind 5 to 9 mph becoming light north northeast in the afternoon.
Thursday Night
Mostly cloudy
Overnight low:
17°F
A chance of snow showers after midnight. Mostly cloudy, with a low around 17. Calm wind.
Friday
Chance of snow showers
High:
36°F
Friday Night
Chance of showers
Overnight low:
26°F
Saturday
Partly sunny
High:
42°F
Saturday Night
Mostly cloudy
Overnight low:
27°F
Sunday
Mostly cloudy
High:
39°F