Thursday
Sunny
High:
85°F
Sunny, with a high near 85. Calm wind becoming south 5 to 8 mph in the morning.
Mount Vernon, IL Weather - Extended Forecast
Thursday Night
Mostly clear
Overnight low:
64°F
Mostly clear, with a low around 64. South wind 3 to 8 mph.
Friday
Mostly sunny
High:
85°F
Mostly sunny, with a high near 85. South southwest wind 5 to 11 mph, with gusts as high as 18 mph.
Friday Night
Partly cloudy
Overnight low:
67°F
Partly cloudy, with a low around 67. South wind 5 to 10 mph.
Saturday
Chance of showers and thunderstorms
High:
87°F
Saturday Night
Slight chance of thunderstorms
Overnight low:
70°F
Sunday
Chance of showers
High:
87°F
Sunday Night
Chance of thunderstorms
Overnight low:
70°F
Monday
Chance of showers
High:
87°F
Monday Night
Chance of showers
Overnight low:
70°F
Tuesday
Chance of thunderstorms
High:
86°F