Monday
Partly sunny
High:
91°F
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 91. Light and variable wind.
Mount Vernon, IL Weather - Extended 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.
Tuesday
Chance of thunderstorms
High:
92°F
A chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 92. Calm wind becoming south southwest 5 to 7 mph in the morning.
Tuesday Night
Slight chance of thunderstorms
Overnight low:
74°F
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 74. South wind around 5 mph becoming calm in the evening.
Wednesday
Chance of showers
High:
93°F
Wednesday Night
Chance of thunderstorms
Overnight low:
74°F
Thursday
Chance of showers
High:
92°F
Thursday Night
Chance of thunderstorms
Overnight low:
73°F
Friday
Chance of showers and thunderstorms
High:
91°F