Wednesday
Mostly sunny
High:
83°F
Mostly sunny, with a high near 83. South southwest wind 7 to 9 mph.
Mount Vernon, IL Weather - Extended Forecast
Wednesday Night
Partly cloudy
Overnight low:
61°F
Partly cloudy, with a low around 61. South southeast wind 9 to 11 mph.
Thursday
Mostly sunny
High:
85°F
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85. South wind 13 to 18 mph, with gusts as high as 29 mph.
Thursday Night
Chance of thunderstorms
Overnight low:
63°F
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 63. South wind 14 to 17 mph, with gusts as high as 25 mph.
Friday
Showers likely
High:
75°F
Friday Night
Chance of showers
Overnight low:
53°F
Saturday
Chance of showers and thunderstorms
High:
77°F
Saturday Night
Chance of showers and thunderstorms
Overnight low:
54°F
Sunday
Chance of showers and thunderstorms
High:
78°F