Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Fair

27°F

-3°C

Humidity 69%
Wind Speed SW 6 mph
Barometer 30.07 in (1019.2 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill20°F (-7°C)
Last update 31 Dec 3:56 am CST
Extended Forecast for

Waltonville IL

  • Today

    Today: Partly sunny, with a high near 42. North northwest wind 5 to 10 mph becoming west southwest in the afternoon.

    High: 42 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 26. West southwest wind around 5 mph becoming calm  in the evening.

    Low: 26 °F

    Partly Cloudy

  • New Year's Day

    New Year's Day: Mostly sunny, with a high near 39. Northeast wind around 5 mph becoming calm  in the afternoon.

    High: 39 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 28. Calm wind.

    Low: 28 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 43. Calm wind becoming northeast around 6 mph in the morning.

    High: 43 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 26. North northeast wind 3 to 5 mph.

    Low: 26 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 40. North northeast wind 3 to 6 mph.

    High: 40 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 24. Calm wind.

    Low: 24 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 45. Calm wind becoming south around 6 mph in the afternoon.

    High: 45 °F

    Partly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 42. North northwest wind 5 to 10 mph becoming west southwest in the afternoon.
Tonight
Partly cloudy, with a low around 26. West southwest wind around 5 mph becoming calm in the evening.
New Year's Day
Mostly sunny, with a high near 39. Northeast wind around 5 mph becoming calm in the afternoon.
Thursday Night
Mostly cloudy, with a low around 28. Calm wind.
Friday
Mostly cloudy, with a high near 43. Calm wind becoming northeast around 6 mph in the morning.
Friday Night
Mostly cloudy, with a low around 26. North northeast wind 3 to 5 mph.
Saturday
Mostly sunny, with a high near 40. North northeast wind 3 to 6 mph.
Saturday Night
Mostly clear, with a low around 24. Calm wind.
Sunday
Partly sunny, with a high near 45. Calm wind becoming south around 6 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 33. South wind around 6 mph.
Monday
Partly sunny, with a high near 55. South southwest wind 6 to 9 mph.
Monday Night
Mostly cloudy, with a low around 37. South wind around 5 mph becoming west after midnight.
Tuesday
Partly sunny, with a high near 53. West wind 5 to 7 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Waltonville IL
 38.23°N 89.03°W
4:21 am CST Dec 31, 2025
4am CST Dec 31, 2025-6pm CST Jan 6, 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