Monday
Chance of thunderstorms
High:
88°F
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 88. Light northeast wind.
Mount Vernon, IL Weather - Tomorrow’s Forecast
Monday Night
Slight chance of thunderstorms
Overnight low:
72°F
A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 72. Calm wind.