Mount Vernon, IL Weather - Extended Forecast

Sunday

Slight chance of thunderstorms

High:
76°F

A 30 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 76. South wind 8 to 17 mph, with gusts as high as 25 mph.

Sunday Night

Chance of thunderstorms

Overnight low:
61°F

A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 61. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 29 mph.

Monday

Chance of thunderstorms

High:
76°F

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 76. South southwest wind 11 to 17 mph, with gusts as high as 26 mph.

Monday Night

Showers

Overnight low:
53°F

Showers and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 53. Breezy, with a southwest wind 18 to 22 mph, with gusts as high as 32 mph.

Tuesday

Slight chance of thunderstorms

High:
65°F

Tuesday Night

Partly cloudy

Overnight low:
37°F

Wednesday

Sunny

High:
56°F

Wednesday Night

Mostly clear

Overnight low:
36°F

Thursday

Sunny

High:
64°F