Sunday
Mostly sunny
High:
83°F
Mostly sunny, with a high near 83. Breezy, with a south wind 15 to 22 mph, with gusts as high as 31 mph.
Mount Vernon, IL Weather - Extended Forecast
Sunday Night
Breezy. chance 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. Breezy, with a south wind 17 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 60%.
Monday
Showers
High:
74°F
Showers and possibly a thunderstorm. Mostly cloudy, with a high near 74. Breezy, with a south wind 18 to 20 mph, with gusts as high as 30 mph.
Monday Night
Chance of thunderstorms
Overnight low:
59°F
A chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 59. South wind 10 to 16 mph, with gusts as high as 24 mph.
Tuesday
Mostly sunny
High:
80°F
Tuesday Night
Slight chance of thunderstorms
Overnight low:
61°F
Wednesday
Mostly sunny
High:
81°F
Wednesday Night
Chance of thunderstorms
Overnight low:
59°F
Thursday
Chance of showers
High:
78°F