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Hazardous Weather Conditions

Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Fair

62°F

17°C

Humidity 100%
Wind Speed Calm
Barometer 30.05 in (1017.4 mb)
Dewpoint 62°F (17°C)
Visibility 7.00 mi
Last update 5 Aug 4:56 am CDT
Extended Forecast for

4 Miles SSE Ewing IL

  • Today

    Today: Sunny, with a high near 92. Light and variable wind.

    High: 92 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 71. Calm wind.

    Low: 71 °F

    Partly Cloudy

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms, mainly before 2pm. Increasing clouds, with a high near 88. Calm wind becoming west southwest around 6 mph in the afternoon.

    High: 88 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 72. Calm wind. Chance of precipitation is 60%.

    Low: 72 °F

    Partly Cloudy
    then Showers
    Likely

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 90. Calm wind becoming southwest 5 to 8 mph in the morning.

    High: 90 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 71. Light south southwest wind. Chance of precipitation is 60%.

    Low: 71 °F

    Showers
    Likely

  • Saturday

    Saturday: Mostly sunny, with a high near 91. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 91 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 71. Calm wind.

    Low: 71 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 94. Light south wind becoming south southwest 5 to 9 mph in the morning.

    High: 94 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 92. Light and variable wind.
Tonight
Partly cloudy, with a low around 71. Calm wind.
Thursday
A 40 percent chance of showers and thunderstorms, mainly before 2pm. Increasing clouds, with a high near 88. Calm wind becoming west southwest around 6 mph in the afternoon.
Thursday Night
Showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 72. Calm wind. Chance of precipitation is 60%.
Friday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 90. Calm wind becoming southwest 5 to 8 mph in the morning.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 71. Light south southwest wind. Chance of precipitation is 60%.
Saturday
Mostly sunny, with a high near 91. Calm wind becoming west southwest around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 71. Calm wind.
Sunday
Sunny, with a high near 94. Light south wind becoming south southwest 5 to 9 mph in the morning.
Sunday Night
Mostly clear, with a low around 74. South wind 5 to 7 mph.
Monday
Sunny, with a high near 96. Southwest wind 7 to 14 mph, with gusts as high as 18 mph.
Monday Night
Mostly clear, with a low around 75. South southwest wind 9 to 13 mph.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 94. Southwest wind 8 to 10 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Ewing IL
 38.04°N 88.85°W
Last Update:
3:36 am CDT Aug 5, 2026
Forecast Valid:
5am CDT Aug 5, 2026-6pm CDT Aug 11, 2026
 
Forecast Discussion
 
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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