Thursday
Sunny
High:
80°F
Sunny, with a high near 80. South wind 6 to 15 mph, with gusts as high as 23 mph.
Mount Vernon, IL Weather - Extended Forecast
Thursday Night
Partly cloudy
Overnight low:
62°F
A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 62. South wind around 11 mph, with gusts as high as 21 mph.
Friday
Showers
High:
75°F
Showers and possibly a thunderstorm. High near 75. South southwest wind 10 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 90%.
Friday Night
Chance of thunderstorms
Overnight low:
56°F
A chance of showers and thunderstorms. Mostly cloudy, with a low around 56. South southwest wind 5 to 8 mph becoming north after midnight.
Saturday
Chance of showers and thunderstorms
High:
75°F
Saturday Night
Mostly clear
Overnight low:
52°F
Sunday
Mostly sunny
High:
75°F
Sunday Night
Slight chance of thunderstorms
Overnight low:
58°F
Monday
Showers likely
High:
75°F