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Hazardous Weather Conditions

Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Overcast

47°F

8°C

Humidity 83%
Wind Speed Vrbl 6 mph
Barometer 29.91 in (1013.0 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 11 Mar 2:56 pm CDT
Extended Forecast for

Mount Vernon IL

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms before 4pm, then a slight chance of showers. Cloudy, with a steady temperature around 46. Northwest wind 15 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.

    High: 46 °F

    Chance
    Showers

  • Tonight

    Tonight: Cloudy during the early evening, then gradual clearing, with a low around 31. North northwest wind 13 to 18 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 30 mph.

    Low: 31 °F

    Gradual
    Clearing

  • Thursday

    Thursday: Sunny, with a high near 53. Calm wind becoming west 5 to 8 mph in the morning.

    High: 53 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 41. South wind 7 to 12 mph increasing to 13 to 18 mph after midnight. Winds could gust as high as 31 mph.

    Low: 41 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 62. Southwest wind 11 to 16 mph, with gusts as high as 28 mph.

    High: 62 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 36. Northwest wind around 6 mph becoming light and variable.

    Low: 36 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 62. East northeast wind 6 to 10 mph becoming southeast in the afternoon.

    High: 62 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 50. East southeast wind 7 to 10 mph, with gusts as high as 21 mph.

    Low: 50 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 68. Breezy, with a south wind 14 to 22 mph, with gusts as high as 33 mph.

    High: 68 °F

    Showers
    Likely and
    Breezy

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms before 4pm, then a slight chance of showers. Cloudy, with a steady temperature around 46. Northwest wind 15 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
Tonight
Cloudy during the early evening, then gradual clearing, with a low around 31. North northwest wind 13 to 18 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 30 mph.
Thursday
Sunny, with a high near 53. Calm wind becoming west 5 to 8 mph in the morning.
Thursday Night
Partly cloudy, with a low around 41. South wind 7 to 12 mph increasing to 13 to 18 mph after midnight. Winds could gust as high as 31 mph.
Friday
Partly sunny, with a high near 62. Southwest wind 11 to 16 mph, with gusts as high as 28 mph.
Friday Night
Mostly cloudy, with a low around 36. Northwest wind around 6 mph becoming light and variable.
Saturday
Partly sunny, with a high near 62. East northeast wind 6 to 10 mph becoming southeast in the afternoon.
Saturday Night
Mostly cloudy, with a low around 50. East southeast wind 7 to 10 mph, with gusts as high as 21 mph.
Sunday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 68. Breezy, with a south wind 14 to 22 mph, with gusts as high as 33 mph.
Sunday Night
A chance of rain showers before 1am, then a slight chance of rain and snow showers. Mostly cloudy, with a low around 26. Breezy, with a west northwest wind 21 to 23 mph, with gusts as high as 33 mph.
Monday
Mostly sunny, with a high near 37. West northwest wind 16 to 18 mph, with gusts as high as 28 mph.
Monday Night
Partly cloudy, with a low around 17. Northwest wind 5 to 11 mph, with gusts as high as 18 mph.
Tuesday
Mostly sunny, with a high near 41. Northwest wind 5 to 8 mph becoming south southwest in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mount Vernon IL
 38.31°N 88.91°W
Last Update:
1:26 pm CDT Mar 11, 2026
Forecast Valid:
3pm CDT Mar 11, 2026-6pm CDT Mar 17, 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