Mount Vernon, IL Weather - Extended Forecast

Thursday

Sunny

High:
93°F

Sunny, with a high near 93. South southwest wind 8 to 16 mph, with gusts as high as 24 mph.

Thursday Night

Showers likely

Overnight low:
72°F

Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 72. South southwest wind 7 to 15 mph becoming west after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 70%.

Friday

Mostly sunny

High:
86°F

Mostly sunny, with a high near 86. Northwest wind 5 to 7 mph.

Friday Night

Mostly clear

Overnight low:
65°F

Mostly clear, with a low around 65. Calm wind.

Saturday

Sunny

High:
87°F

Saturday Night

Slight chance of thunderstorms

Overnight low:
67°F

Sunday

Chance of showers

High:
84°F

Sunday Night

Chance of showers

Overnight low:
64°F

Monday

Chance of showers and thunderstorms

High:
81°F