National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Fair

24°F

-4°C

Humidity 62%
Wind Speed W 9 G 24 mph
Barometer 30.05 in (1018.0 mb)
Dewpoint 13°F (-11°C)
Visibility 10.00 mi
Wind Chill14°F (-10°C)
Last update 29 Dec 1:56 am CST
Extended Forecast for

Waltonville IL

Wind Advisory December 29, 02:24am until December 29, 06:00am
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory December 29, 02:24am until December 29, 06:00am

    NOW until 6:00am Mon

    Wind Advisory

  • Overnight

    Low: 19 °F

    Mostly Clear
    and Blustery

  • Monday

    Monday: Mostly sunny, with a high near 29. Blustery, with a west northwest wind 15 to 23 mph, with gusts as high as 36 mph.

    High: 29 °F

    Mostly Sunny
    and Blustery

  • Monday Night

    Monday Night: Partly cloudy, with a low around 16. Northwest wind 9 to 15 mph, with gusts as high as 24 mph.

    Low: 16 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 35. West northwest wind 6 to 9 mph.

    High: 35 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 26. Southwest wind around 6 mph.

    Low: 26 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 43. West northwest wind 5 to 10 mph.

    High: 43 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 25. West northwest wind 3 to 5 mph.

    Low: 25 °F

    Partly Cloudy

  • New Year's Day

    New Year's Day: Mostly sunny, with a high near 38. North northwest wind 3 to 7 mph.

    High: 38 °F

    Mostly Sunny

Detailed Forecast

Overnight
Mostly clear, with a low around 19. Blustery, with a west northwest wind around 23 mph, with gusts as high as 37 mph.
Monday
Mostly sunny, with a high near 29. Blustery, with a west northwest wind 15 to 23 mph, with gusts as high as 36 mph.
Monday Night
Partly cloudy, with a low around 16. Northwest wind 9 to 15 mph, with gusts as high as 24 mph.
Tuesday
Sunny, with a high near 35. West northwest wind 6 to 9 mph.
Tuesday Night
Mostly clear, with a low around 26. Southwest wind around 6 mph.
Wednesday
Partly sunny, with a high near 43. West northwest wind 5 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 25. West northwest wind 3 to 5 mph.
New Year's Day
Mostly sunny, with a high near 38. North northwest wind 3 to 7 mph.
Thursday Night
Mostly cloudy, with a low around 23. Calm wind.
Friday
Mostly cloudy, with a high near 41. Calm wind becoming east around 6 mph.
Friday Night
Mostly cloudy, with a low around 27. Light north northeast wind.
Saturday
Mostly sunny, with a high near 42. North wind 3 to 6 mph.
Saturday Night
Partly cloudy, with a low around 23. Light and variable wind.
Sunday
Mostly sunny, with a high near 44. South wind 3 to 7 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Waltonville IL
 38.23°N 89.03°W
Last Update:
12:21 am CST Dec 29, 2025
Forecast Valid:
2am CST Dec 29, 2025-6pm CST Jan 4, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation