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Hazardous Weather Conditions

Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Light Rain

71°F

22°C

Humidity 94%
Wind Speed Calm
Barometer 29.97 in (1014.5 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 19 Aug 3:56 am CDT
Extended Forecast for

3 Miles ENE Ewing IL

  • Today

    Today: Showers and possibly a thunderstorm before 11am, then a chance of showers and thunderstorms, mainly between 11am and 1pm. High near 83. Calm wind becoming south southwest around 6 mph in the morning. Chance of precipitation is 90%.

    High: 83 °F

    Showers then
    Chance
    Showers

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before midnight. Mostly cloudy, with a low around 67. Calm wind. Chance of precipitation is 60%.

    Low: 67 °F

    Showers
    Likely then
    Chance
    T-storms

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 85. Calm wind becoming north northeast around 6 mph in the afternoon.

    High: 85 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 65. Calm wind.

    Low: 65 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 86. Light and variable wind.

    High: 86 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 65. Calm wind.

    Low: 65 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 87. Calm wind becoming northwest 5 to 9 mph in the afternoon.

    High: 87 °F

    Sunny then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 65. Light north wind.

    Low: 65 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 85. Calm wind becoming north northwest 5 to 7 mph in the afternoon.

    High: 85 °F

    Mostly Sunny

Detailed Forecast

Today
Showers and possibly a thunderstorm before 11am, then a chance of showers and thunderstorms, mainly between 11am and 1pm. High near 83. Calm wind becoming south southwest around 6 mph in the morning. Chance of precipitation is 90%.
Tonight
Showers and thunderstorms likely, mainly before midnight. Mostly cloudy, with a low around 67. Calm wind. Chance of precipitation is 60%.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 85. Calm wind becoming north northeast around 6 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 65. Calm wind.
Friday
Sunny, with a high near 86. Light and variable wind.
Friday Night
Mostly clear, with a low around 65. Calm wind.
Saturday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 87. Calm wind becoming northwest 5 to 9 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 65. Light north wind.
Sunday
Mostly sunny, with a high near 85. Calm wind becoming north northwest 5 to 7 mph in the afternoon.
Sunday Night
A slight chance of showers after 1am. Partly cloudy, with a low around 63. Light northeast wind.
Monday
Mostly sunny, with a high near 84. Calm wind becoming east southeast around 6 mph in the afternoon.
Monday Night
Mostly clear, with a low around 65. East wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 88. East wind 3 to 7 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE Ewing IL
 38.11°N 88.79°W
Last Update:
3:06 am CDT Aug 19, 2026
Forecast Valid:
4am CDT Aug 19, 2026-6pm CDT Aug 25, 2026
 
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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