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Hazardous Weather Conditions

Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Fair

13°C

56°F

Humidity 55%
Wind Speed SE 11 km/h
Barometer 1009.1 mb (29.79 in)
Dewpoint 4°C (40°F)
Visibility 16 km
Last update 14 Mar 11:56 pm CDT
Extended Forecast for

3 Miles ENE Mount Vernon IL

Wind Advisory March 15, 10:00am until March 16, 07:00am
Click here for hazard details and duration
Wind Advisory

  • Overnight

    Overnight: Mostly cloudy, with a low around 11. South wind 11 to 18 km/h, with gusts as high as 34 km/h.

    Low: 11 °C

    Mostly Cloudy

  • Sunday

    Sunday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 4pm. High near 21. Breezy, with a south wind 27 to 32 km/h increasing to 35 to 40 km/h in the morning. Winds could gust as high as 65 km/h. Chance of precipitation is 80%.

    High: 21 °C

    Breezy.
    Slight Chance
    Showers then
    Showers

  • Sunday Night

    Sunday Night: Rain showers before 1am, then a slight chance of snow showers between 1am and 2am. Some thunder is also possible. Low around -4. Breezy, with a west wind 37 to 42 km/h, with gusts as high as 65 km/h. Chance of precipitation is 90%. New snow accumulation of less than a half centimeter possible.

    Low: -4 °C

    Breezy.
    Showers then
    Slight Chance
    Snow Showers

  • Monday

    Monday: Mostly cloudy, with a high near 0. Breezy, with a west northwest wind around 35 km/h, with gusts as high as 55 km/h.

    High: 0 °C

    Mostly Cloudy
    and Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around -10. West northwest wind 22 to 27 km/h decreasing to 16 to 21 km/h after midnight. Winds could gust as high as 42 km/h.

    Low: -10 °C

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 2. Northwest wind around 11 km/h.

    High: 2 °C

    Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of snow showers after 1am. Mostly cloudy, with a low around -3. Light south wind increasing to 16 to 21 km/h in the evening. Winds could gust as high as 35 km/h.

    Low: -3 °C

    Mostly Cloudy
    then Chance
    Snow Showers

  • Wednesday

    Wednesday: Partly sunny, with a high near 15. South wind 18 to 24 km/h, with gusts as high as 37 km/h.

    High: 15 °C

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 4. South southwest wind 8 to 10 km/h.

    Low: 4 °C

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 11. South wind 11 to 18 km/h, with gusts as high as 34 km/h.
Sunday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 4pm. High near 21. Breezy, with a south wind 27 to 32 km/h increasing to 35 to 40 km/h in the morning. Winds could gust as high as 65 km/h. Chance of precipitation is 80%.
Sunday Night
Rain showers before 1am, then a slight chance of snow showers between 1am and 2am. Some thunder is also possible. Low around -4. Breezy, with a west wind 37 to 42 km/h, with gusts as high as 65 km/h. Chance of precipitation is 90%. New snow accumulation of less than a half centimeter possible.
Monday
Mostly cloudy, with a high near 0. Breezy, with a west northwest wind around 35 km/h, with gusts as high as 55 km/h.
Monday Night
Partly cloudy, with a low around -10. West northwest wind 22 to 27 km/h decreasing to 16 to 21 km/h after midnight. Winds could gust as high as 42 km/h.
Tuesday
Sunny, with a high near 2. Northwest wind around 11 km/h.
Tuesday Night
A 30 percent chance of snow showers after 1am. Mostly cloudy, with a low around -3. Light south wind increasing to 16 to 21 km/h in the evening. Winds could gust as high as 35 km/h.
Wednesday
Partly sunny, with a high near 15. South wind 18 to 24 km/h, with gusts as high as 37 km/h.
Wednesday Night
Partly cloudy, with a low around 4. South southwest wind 8 to 10 km/h.
Thursday
Sunny, with a high near 20. Southwest wind 8 to 11 km/h.
Thursday Night
Partly cloudy, with a low around 7. Calm wind.
Friday
Mostly sunny, with a high near 22. South southeast wind 5 to 13 km/h becoming west southwest in the afternoon.
Friday Night
Mostly cloudy, with a low around 9. Southwest wind 8 to 11 km/h becoming northwest after midnight.
Saturday
Mostly sunny, with a high near 19. Northwest wind 13 to 18 km/h.
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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:
11:36 pm CDT Mar 14, 2026
Forecast Valid:
12am CDT Mar 15, 2026-6pm CDT Mar 21, 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