Friday
Partly sunny
High:
71°F
A chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers after 4pm. Partly sunny, with a high near 71. West northwest wind 5 to 8 mph. Chance of precipitation is 40%.
Mount Vernon, IL Weather - Extended Forecast
Friday Night
Chance of showers
Overnight low:
51°F
A chance of showers before 7pm, then a chance of showers and thunderstorms between 7pm and 1am, then a chance of showers after 1am. Mostly cloudy, with a low around 51. North northwest wind 3 to 5 mph. Chance of precipitation is 40%.
Saturday
Chance of showers
High:
67°F
A 40 percent chance of showers. Mostly sunny, with a high near 67. North wind 6 to 9 mph.
Saturday Night
Chance of showers
Overnight low:
46°F
A 30 percent chance of showers. Partly cloudy, with a low around 46. Northeast wind 5 to 7 mph.
Sunday
Chance of showers
High:
68°F
Sunday Night
Mostly clear
Overnight low:
49°F
Monday
Mostly sunny
High:
71°F
Monday Night
Mostly clear
Overnight low:
51°F
Tuesday
Sunny
High:
77°F
Tuesday Night
Partly cloudy
Overnight low:
55°F
Wednesday
Chance of showers and thunderstorms
High:
79°F