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.

Mostly Cloudy

23°C

73°F

Humidity 96%
Wind Speed SW 7 km/h
Barometer 1016.4 mb (30.02 in)
Dewpoint 22°C (72°F)
Visibility 16 km
Last update 9 Jul 3:56 am CDT
Extended Forecast for

3 Miles ENE Mount Vernon IL

  • Overnight

    Overnight: A 20 percent chance of showers and thunderstorms. Cloudy, with a low around 20. Calm wind.

    Low: 20 °C

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: Patchy fog before 8am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 31. Calm wind becoming west northwest 5 to 10 km/h in the morning.

    High: 31 °C

    Patchy Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 21. Calm wind.

    Low: 21 °C

    Mostly Clear

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 33. Calm wind.

    High: 33 °C

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 22. Calm wind.

    Low: 22 °C

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 33. Light south wind increasing to 6 to 11 km/h in the morning.

    High: 33 °C

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 24. South wind 5 to 10 km/h.

    Low: 24 °C

    Chance
    T-storms

  • Saturday

    Saturday: A chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 33. West southwest wind 10 to 14 km/h.

    High: 33 °C

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 22. West wind 5 to 10 km/h becoming calm after midnight.

    Low: 22 °C

    Chance
    T-storms

Detailed Forecast

Overnight
A 20 percent chance of showers and thunderstorms. Cloudy, with a low around 20. Calm wind.
Wednesday
Patchy fog before 8am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 31. Calm wind becoming west northwest 5 to 10 km/h in the morning.
Wednesday Night
Mostly clear, with a low around 21. Calm wind.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 33. Calm wind.
Thursday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 22. Calm wind.
Friday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 33. Light south wind increasing to 6 to 11 km/h in the morning.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 24. South wind 5 to 10 km/h.
Saturday
A chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 33. West southwest wind 10 to 14 km/h.
Saturday Night
A chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 22. West wind 5 to 10 km/h becoming calm after midnight.
Sunday
A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 32. Southwest wind 3 to 8 km/h.
Sunday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 21. Calm wind.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 32. West wind 3 to 8 km/h.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 22. Calm wind.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 33. Calm wind becoming southwest 5 to 10 km/h in the morning.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE Mount Vernon IL
 38.33°N 88.86°W
Last Update:
4:31 am CDT Jul 9, 2025
Forecast Valid:
4am CDT Jul 9, 2025-6pm CDT Jul 15, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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