Wednesday
Sunny
High:
93°F
Sunny, with a high near 93. Light east wind.
Mount Vernon, IL Weather - Extended Forecast
Wednesday Night
Mostly clear
Overnight low:
62°F
Mostly clear, with a low around 62. Light east southeast wind.
Thursday
Sunny
High:
94°F
Sunny, with a high near 94. Calm wind becoming southeast around 6 mph in the afternoon.
Thursday Night
Partly cloudy
Overnight low:
64°F
A slight chance of showers after 1am. Partly cloudy, with a low around 64. Light east wind.
Friday
Chance of showers
High:
91°F
Friday Night
Chance of showers
Overnight low:
64°F
Saturday
Chance of showers
High:
86°F
Saturday Night
Chance of showers
Overnight low:
62°F
Sunday
Chance of showers and thunderstorms
High:
85°F