Saturday
Clouds clearing
High:
90°F
Mostly cloudy, then gradually becoming sunny, with a high near 90. Calm wind becoming southwest around 5 mph in the afternoon.
Mount Vernon, IL Weather - Extended Forecast
Saturday Night
Mostly clear
Overnight low:
67°F
Mostly clear, with a low around 67. Calm wind.
Sunday
Mostly sunny
High:
91°F
Mostly sunny, with a high near 91. Calm wind becoming west around 5 mph in the afternoon.
Sunday Night
Partly cloudy
Overnight low:
65°F
Partly cloudy, with a low around 65. Calm wind.
Monday
Sunny
High:
91°F
Monday Night
Mostly clear
Overnight low:
67°F
Tuesday
Sunny
High:
94°F
Tuesday Night
Chance of thunderstorms
Overnight low:
67°F
Wednesday
Chance of showers
High:
91°F
Wednesday Night
Chance of showers
Overnight low:
66°F
Thursday
Chance of showers
High:
84°F