Saturday
Slight chance of thunderstorms
High:
80°F
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 80. East wind around 9 mph becoming north in the afternoon.
Mount Vernon, IL Weather - Extended Forecast
Saturday Night
Slight chance of thunderstorms
Overnight low:
61°F
A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 61. North wind 7 to 9 mph becoming west northwest after midnight.
Sunday
Sunny
High:
85°F
A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 85. Northwest wind 7 to 10 mph.
Sunday Night
Partly cloudy
Overnight low:
62°F
A slight chance of showers. Partly cloudy, with a low around 62. West northwest wind around 8 mph becoming south southeast after midnight.
Monday
Chance of showers and thunderstorms
High:
84°F
Monday Night
Chance of showers
Overnight low:
63°F
Tuesday
Chance of thunderstorms
High:
84°F