Tuesday
Partly sunny
High:
84°F
Partly sunny, with a high near 84. South southwest wind 11 to 17 mph, with gusts as high as 25 mph.
Mount Vernon, IL Weather - Extended Forecast
Tuesday Night
Mostly cloudy
Overnight low:
69°F
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 69. South southwest wind 10 to 14 mph, with gusts as high as 23 mph.
Wednesday
Chance of showers
High:
82°F
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 82. South southwest wind 10 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.
Wednesday Night
Chance of thunderstorms
Overnight low:
65°F
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 65. South southwest wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Thursday
Chance of thunderstorms
High:
81°F
Thursday Night
Mostly clear
Overnight low:
62°F
Friday
Mostly sunny
High:
86°F
Friday Night
Slight chance of thunderstorms
Overnight low:
66°F
Saturday
Chance of showers
High:
79°F
Saturday Night
Chance of showers
Overnight low:
46°F
Sunday
Chance of showers and thunderstorms
High:
63°F