National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

A Few Clouds

73°F

23°C

Humidity 96%
Wind Speed Calm
Barometer 30.03 in (1016.8 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 28 Jun 2:56 am CDT
Extended Forecast for

5 Miles E Mount Vernon IL

  • Overnight

    Overnight: A 30 percent chance of showers and thunderstorms, mainly before 5am. Mostly cloudy, with a low around 72. Light southwest wind.

    Low: 72 °F

    Chance
    T-storms

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 88. Calm wind becoming south southwest around 6 mph in the afternoon. Chance of precipitation is 60%.

    High: 88 °F

    T-storms
    Likely

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Light south wind.

    Low: 71 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: Showers and thunderstorms. High near 87. Calm wind becoming south southwest around 6 mph in the morning. Chance of precipitation is 80%.

    High: 87 °F

    T-storms

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72. South southwest wind around 5 mph becoming calm in the evening.

    Low: 72 °F

    Chance
    T-storms

  • Monday

    Monday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 87. West southwest wind 5 to 7 mph. Chance of precipitation is 80%.

    High: 87 °F

    Chance
    Showers then
    Showers

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Mostly cloudy, with a low around 70. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.

    Low: 70 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: Sunny, with a high near 87. Calm wind becoming north around 5 mph in the afternoon.

    High: 87 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 66. Calm wind.

    Low: 66 °F

    Mostly Clear

Detailed Forecast

Overnight
A 30 percent chance of showers and thunderstorms, mainly before 5am. Mostly cloudy, with a low around 72. Light southwest wind.
Saturday
Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 88. Calm wind becoming south southwest around 6 mph in the afternoon. Chance of precipitation is 60%.
Saturday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Light south wind.
Sunday
Showers and thunderstorms. High near 87. Calm wind becoming south southwest around 6 mph in the morning. Chance of precipitation is 80%.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72. South southwest wind around 5 mph becoming calm in the evening.
Monday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 87. West southwest wind 5 to 7 mph. Chance of precipitation is 80%.
Monday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Mostly cloudy, with a low around 70. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.
Tuesday
Sunny, with a high near 87. Calm wind becoming north around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 66. Calm wind.
Wednesday
Sunny, with a high near 89. Light west wind.
Wednesday Night
Mostly clear, with a low around 68. Calm wind.
Thursday
A slight chance of showers and thunderstorms. Sunny, with a high near 90. Calm wind becoming west southwest around 5 mph in the afternoon.
Thursday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 70. Calm wind.
Independence Day
A slight chance of showers and thunderstorms. Sunny, with a high near 91. Calm wind becoming south southwest around 6 mph in the morning.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles E Mount Vernon IL
 38.33°N 88.83°W
Last Update:
1:46 am CDT Jun 28, 2025
Forecast Valid:
3am CDT Jun 28, 2025-6pm CDT Jul 4, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation