Mount Vernon, IL Weather - Extended Forecast

Monday

Chance of thunderstorms

High:
91°F

A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 91. Calm wind becoming north northwest around 5 mph in the afternoon.

Monday Night

Slight chance of thunderstorms

Overnight low:
74°F

A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 74. Light east southeast wind.

Tuesday

Mostly sunny

High:
93°F

A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. Calm wind becoming south southeast around 5 mph in the afternoon.

Tuesday Night

Mostly clear

Overnight low:
75°F

Mostly clear, with a low around 75. Light south southeast wind.

Wednesday

Sunny

High:
96°F

Wednesday Night

Mostly clear

Overnight low:
77°F

Thursday

Hot

High:
97°F

Thursday Night

Mostly clear

Overnight low:
76°F

Friday

Sunny

High:
95°F