Monday
Hot
High:
98°F
Mostly sunny and hot, with a high near 98. Heat index values as high as 111. Calm wind becoming southwest 5 to 9 mph in the morning.
Mount Vernon, IL Weather - Extended Forecast
Monday Night
Mostly clear
Overnight low:
77°F
Mostly clear, with a low around 77. South southwest wind 6 to 8 mph.
Tuesday
Sunny
High:
94°F
Sunny, with a high near 94. Northwest wind 5 to 10 mph.
Tuesday Night
Partly cloudy
Overnight low:
69°F
Partly cloudy, with a low around 69. North wind 5 to 8 mph becoming calm after midnight.
Wednesday
Sunny
High:
89°F
Wednesday Night
Mostly clear
Overnight low:
67°F
Thursday
Sunny
High:
89°F
Thursday Night
Partly cloudy
Overnight low:
68°F
Friday
Chance of showers and thunderstorms
High:
89°F
Friday Night
Slight chance of thunderstorms
Overnight low:
70°F
Saturday
Mostly sunny
High:
89°F