Mount Vernon, IL Weather - Tomorrow’s Forecast

Saturday

Mostly sunny

High:
73°F

Mostly sunny, with a high near 73. West southwest wind 10 to 18 mph, with gusts as high as 26 mph.

Saturday Night

Slight chance of thunderstorms

Overnight low:
55°F

A slight chance of showers before 10pm, then a slight chance of showers and thunderstorms between 10pm and 4am, then a slight chance of showers after 4am. Mostly cloudy, with a low around 55. West southwest wind around 7 mph becoming south after midnight. Chance of precipitation is 20%.