Friday
Partly sunny
High:
80°F
Partly sunny, with a high near 80. South southeast wind 6 to 10 mph.
Mount Vernon, IL Weather - Extended Forecast
Friday Night
Partly cloudy
Overnight low:
61°F
Partly cloudy, with a low around 61. South southeast wind 6 to 8 mph.
Saturday
Chance of thunderstorms
High:
77°F
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 77. South southwest wind 10 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.
Saturday Night
Showers likely
Overnight low:
50°F
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 50. Southwest wind 7 to 10 mph becoming west northwest after midnight.
Sunday
Chance of showers
High:
67°F
Sunday Night
Clear
Overnight low:
42°F
Monday
Sunny
High:
74°F
Monday Night
Mostly clear
Overnight low:
50°F
Tuesday
Chance of showers and thunderstorms
High:
75°F