Mount Vernon, IL Weather - Tomorrow’s Forecast

Saturday

Chance of thunderstorms

High:
80°F

A chance of showers and thunderstorms before 3pm, then a slight chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 80. Breezy, with a south wind 18 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 40%.

Saturday Night

Partly cloudy

Overnight low:
67°F

Partly cloudy, with a low around 67. South wind 14 to 17 mph, with gusts as high as 25 mph.