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.

Partly Cloudy

19°C

67°F

Humidity 91%
Wind Speed Calm
Barometer 1010.6 mb (29.84 in)
Dewpoint 18°C (64°F)
Visibility 16 km
Last update 17 May 8:56 am CDT
Extended Forecast for

Mount Vernon IL

  • Today

    Today: A 40 percent chance of showers and thunderstorms, mainly before 5pm. Mostly cloudy, with a high near 24. South wind 8 to 10 km/h.

    High: 24 °C

    Chance
    T-storms

  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms before 7pm. Patchy fog after 1am. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 16. South wind 5 to 8 km/h becoming calm in the evening.

    Low: 16 °C

    Slight Chance
    T-storms then
    Patchy Fog

  • Saturday

    Saturday: Widespread fog, mainly before 7am. Otherwise, mostly sunny, with a high near 28. Calm wind.

    High: 28 °C

    Fog then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 17. Calm wind.

    Low: 17 °C

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 31. Calm wind.

    High: 31 °C

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 18. Calm wind.

    Low: 18 °C

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 31. South wind 5 to 14 km/h.

    High: 31 °C

    Mostly Sunny

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 20. South wind around 11 km/h.

    Low: 20 °C

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 32. South wind 13 to 23 km/h, with gusts as high as 35 km/h.

    High: 32 °C

    Chance
    T-storms

Detailed Forecast

Today
A 40 percent chance of showers and thunderstorms, mainly before 5pm. Mostly cloudy, with a high near 24. South wind 8 to 10 km/h.
Tonight
A 10 percent chance of showers and thunderstorms before 7pm. Patchy fog after 1am. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 16. South wind 5 to 8 km/h becoming calm in the evening.
Saturday
Widespread fog, mainly before 7am. Otherwise, mostly sunny, with a high near 28. Calm wind.
Saturday Night
Mostly clear, with a low around 17. Calm wind.
Sunday
Sunny, with a high near 31. Calm wind.
Sunday Night
Mostly clear, with a low around 18. Calm wind.
Monday
Mostly sunny, with a high near 31. South wind 5 to 14 km/h.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 20. South wind around 11 km/h.
Tuesday
A chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 32. South wind 13 to 23 km/h, with gusts as high as 35 km/h.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 19. South southwest wind around 16 km/h, with gusts as high as 32 km/h.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 29. Southwest wind 14 to 18 km/h, with gusts as high as 29 km/h.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 16. West northwest wind around 11 km/h.
Thursday
A slight chance of showers. Sunny, with a high near 27. Southwest wind 10 to 13 km/h.
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Disclaimer
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ABOUT THIS FORECAST

 
Point Forecast:
Mount Vernon IL
 38.31°N 88.91°W
Last Update:
9:32 am CDT May 17, 2024
Forecast Valid:
9am CDT May 17, 2024-6pm CDT May 23, 2024
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation