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Hazardous Weather Conditions

Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Fair

63°F

17°C

Humidity 60%
Wind Speed S 16 G 29 mph
Barometer 29.62 in (1003.3 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 15 Mar 6:56 am CDT
Extended Forecast for

Waltonville IL

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

  • Today

    Today: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3pm. High near 69. Breezy, with a south wind 15 to 20 mph increasing to 21 to 26 mph in the morning. Winds could gust as high as 39 mph. Chance of precipitation is 80%.

    High: 69 °F

    Breezy.
    Slight Chance
    Showers then
    Showers

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 10pm, then a slight chance of showers between 10pm and 11pm. Low around 25. Breezy, with a west wind 24 to 26 mph, with gusts as high as 44 mph. Chance of precipitation is 90%.

    Low: 25 °F

    Breezy.
    Showers then
    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 32. Breezy, with a west northwest wind 22 to 24 mph, with gusts as high as 36 mph.

    High: 32 °F

    Mostly Cloudy
    and Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 14. West northwest wind 10 to 18 mph, with gusts as high as 26 mph.

    Low: 14 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 38. Northwest wind around 7 mph.

    High: 38 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of snow showers after 1am. Mostly cloudy, with a low around 28. Light south southeast wind becoming south 9 to 14 mph in the evening. Winds could gust as high as 23 mph.

    Low: 28 °F

    Mostly Cloudy
    then Slight
    Chance Snow
    Showers

  • Wednesday

    Wednesday: Partly sunny, with a high near 60. South wind 11 to 16 mph, with gusts as high as 24 mph.

    High: 60 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 41. South southwest wind 5 to 7 mph.

    Low: 41 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 69. South southwest wind 5 to 8 mph becoming west in the afternoon.

    High: 69 °F

    Sunny

Detailed Forecast

Today
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3pm. High near 69. Breezy, with a south wind 15 to 20 mph increasing to 21 to 26 mph in the morning. Winds could gust as high as 39 mph. Chance of precipitation is 80%.
Tonight
Showers and possibly a thunderstorm before 10pm, then a slight chance of showers between 10pm and 11pm. Low around 25. Breezy, with a west wind 24 to 26 mph, with gusts as high as 44 mph. Chance of precipitation is 90%.
Monday
Mostly cloudy, with a high near 32. Breezy, with a west northwest wind 22 to 24 mph, with gusts as high as 36 mph.
Monday Night
Mostly clear, with a low around 14. West northwest wind 10 to 18 mph, with gusts as high as 26 mph.
Tuesday
Sunny, with a high near 38. Northwest wind around 7 mph.
Tuesday Night
A 20 percent chance of snow showers after 1am. Mostly cloudy, with a low around 28. Light south southeast wind becoming south 9 to 14 mph in the evening. Winds could gust as high as 23 mph.
Wednesday
Partly sunny, with a high near 60. South wind 11 to 16 mph, with gusts as high as 24 mph.
Wednesday Night
Partly cloudy, with a low around 41. South southwest wind 5 to 7 mph.
Thursday
Sunny, with a high near 69. South southwest wind 5 to 8 mph becoming west in the afternoon.
Thursday Night
Partly cloudy, with a low around 44. Light and variable wind becoming northeast around 5 mph after midnight.
Friday
Mostly sunny, with a high near 73. Southwest wind 5 to 8 mph.
Friday Night
Mostly cloudy, with a low around 48. Southwest wind 6 to 8 mph becoming northwest after midnight.
Saturday
Mostly sunny, with a high near 67. Northwest wind 8 to 10 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Waltonville IL
 38.23°N 89.03°W
Last Update:
6:21 am CDT Mar 15, 2026
Forecast Valid:
7am 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