Sunday
Sunny
High:
95°F
Sunny, with a high near 95. South southwest wind 6 to 9 mph.
Mount Vernon, IL Weather - Extended Forecast
Sunday Night
Mostly clear
Overnight low:
75°F
Mostly clear, with a low around 75. South wind 3 to 6 mph.
Monday
Sunny
High:
94°F
Sunny, with a high near 94. South wind 3 to 6 mph.
Monday Night
Mostly clear
Overnight low:
76°F
Mostly clear, with a low around 76. South wind around 5 mph becoming calm in the evening.
Tuesday
Sunny
High:
94°F
Tuesday Night
Mostly clear
Overnight low:
75°F
Wednesday
Chance of showers and thunderstorms
High:
93°F
Wednesday Night
Mostly clear
Overnight low:
75°F
Thursday
Sunny
High:
92°F