Wednesday
Chance of thunderstorms
High:
90°F
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 90. Calm wind becoming northwest around 5 mph in the afternoon.
Mount Vernon, IL Weather - Extended Forecast
Wednesday Night
Slight chance of thunderstorms
Overnight low:
70°F
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 70. Light north wind. Chance of precipitation is 20%.
Thursday
Chance of showers and thunderstorms
High:
91°F
A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 91. Light east southeast wind. Chance of precipitation is 20%.
Thursday Night
Partly cloudy
Overnight low:
71°F
Partly cloudy, with a low around 71. Calm wind.
Friday
Mostly sunny
High:
93°F
Friday Night
Mostly clear
Overnight low:
72°F
Saturday
Mostly sunny
High:
94°F
Saturday Night
Mostly clear
Overnight low:
73°F
Sunday
Mostly sunny
High:
96°F