Mount Vernon, IL Weather - Extended Forecast

Saturday

Patchy frost

High:
55°F

Patchy frost before 8am. Otherwise, sunny, with a high near 55. Light and variable wind becoming east northeast around 6 mph in the morning.

Saturday Night

Partly cloudy

Overnight low:
39°F

Partly cloudy, with a low around 39. South southeast wind 3 to 5 mph.

Sunday

Partly sunny

High:
66°F

Partly sunny, with a high near 66. South wind 5 to 11 mph, with gusts as high as 18 mph.

Sunday Night

Partly cloudy

Overnight low:
56°F

Partly cloudy, with a low around 56. South wind 7 to 10 mph, with gusts as high as 20 mph.

Monday

Chance of showers and thunderstorms

High:
79°F

Monday Night

Partly cloudy

Overnight low:
63°F

Tuesday

Partly sunny

High:
83°F

Tuesday Night

Slight chance of thunderstorms

Overnight low:
60°F

Wednesday

Chance of showers

High:
77°F

Wednesday Night

Chance of showers

Overnight low:
57°F

Thursday

Chance of showers

High:
72°F