Mount Vernon, IL Weather - Tomorrow’s Forecast

Sunday

Chance of showers and thunderstorms

High:
44°F

A 20 percent chance of showers before noon. Mostly cloudy, with a high near 44. South wind 5 to 10 mph becoming north in the afternoon.

Sunday Night

Chance of snow showers

Overnight low:
22°F

A 20 percent chance of snow showers before midnight. Mostly cloudy, with a low around 22. North wind 6 to 10 mph.