Friday
Mostly sunny
High:
80°F
Mostly sunny, with a high near 80. Calm wind becoming east southeast around 5 mph in the afternoon.
Mount Vernon, IL Weather - Extended Forecast
Friday Night
Mostly cloudy
Overnight low:
56°F
Mostly cloudy, with a low around 56. Calm wind.
Saturday
Mostly cloudy
High:
75°F
Mostly cloudy, with a high near 75. Calm wind becoming east around 6 mph in the afternoon.
Saturday Night
Chance of showers
Overnight low:
55°F
A chance of showers. Mostly cloudy, with a low around 55. East wind around 5 mph becoming calm in the evening.
Sunday
Chance of showers
High:
72°F
Sunday Night
Chance of showers and thunderstorms
Overnight low:
53°F
Monday
Chance of showers
High:
72°F
Monday Night
Chance of showers
Overnight low:
56°F
Tuesday
Showers likely
High:
73°F