Sunday
Partly sunny
High:
83°F
Partly sunny, with a high near 83. Breezy, with a south wind 14 to 21 mph, with gusts as high as 31 mph.
Mount Vernon, IL Weather - Extended Forecast
Sunday Night
Chance of thunderstorms
Overnight low:
64°F
A chance of showers and thunderstorms between 8pm and 2am, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 64. South wind around 16 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
Monday
Showers
High:
72°F
Showers likely and possibly a thunderstorm before 8am, then showers between 8am and 11am, then showers and possibly a thunderstorm after 11am. High near 72. South wind 16 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 90%.
Monday Night
Showers
Overnight low:
57°F
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 57. South southwest wind 9 to 15 mph, with gusts as high as 22 mph.
Tuesday
Mostly sunny
High:
80°F
Tuesday Night
Slight chance of thunderstorms
Overnight low:
62°F
Wednesday
Chance of thunderstorms
High:
81°F
Wednesday Night
Chance of thunderstorms
Overnight low:
60°F
Thursday
Chance of thunderstorms
High:
79°F