Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Fair

38°F

3°C

Humidity 70%
Wind Speed SW 10 mph
Barometer 30.13 in (1021.0 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 12 Jan 11:56 pm CST
Extended Forecast for

Waltonville IL

  • Overnight

    Overnight: Mostly clear, with a low around 35. South southwest wind 7 to 10 mph, with gusts as high as 18 mph.

    Low: 35 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 60. West southwest wind 8 to 14 mph, with gusts as high as 22 mph.

    High: 60 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers.  Mostly cloudy, with a low around 39. West southwest wind around 7 mph becoming northwest after midnight.

    Low: 39 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 44. North northwest wind 8 to 18 mph, with gusts as high as 26 mph.

    High: 44 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 17. North northwest wind 10 to 16 mph, with gusts as high as 26 mph.

    Low: 17 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 31. Northwest wind 5 to 10 mph becoming west southwest in the afternoon.

    High: 31 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 22. Light southwest wind becoming south southwest 6 to 11 mph in the evening. Winds could gust as high as 21 mph.

    Low: 22 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 44. West southwest wind 10 to 16 mph, with gusts as high as 23 mph.

    High: 44 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 19. West wind around 10 mph, with gusts as high as 20 mph.

    Low: 19 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 35. South southwest wind 7 to 10 mph, with gusts as high as 18 mph.
Tuesday
Mostly sunny, with a high near 60. West southwest wind 8 to 14 mph, with gusts as high as 22 mph.
Tuesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 39. West southwest wind around 7 mph becoming northwest after midnight.
Wednesday
Mostly cloudy, with a high near 44. North northwest wind 8 to 18 mph, with gusts as high as 26 mph.
Wednesday Night
Partly cloudy, with a low around 17. North northwest wind 10 to 16 mph, with gusts as high as 26 mph.
Thursday
Sunny, with a high near 31. Northwest wind 5 to 10 mph becoming west southwest in the afternoon.
Thursday Night
Mostly cloudy, with a low around 22. Light southwest wind becoming south southwest 6 to 11 mph in the evening. Winds could gust as high as 21 mph.
Friday
Partly sunny, with a high near 44. West southwest wind 10 to 16 mph, with gusts as high as 23 mph.
Friday Night
Mostly cloudy, with a low around 19. West wind around 10 mph, with gusts as high as 20 mph.
Saturday
Partly sunny, with a high near 30. West wind 10 to 14 mph, with gusts as high as 21 mph.
Saturday Night
Partly cloudy, with a low around 11. West northwest wind around 10 mph.
Sunday
Mostly sunny, with a high near 26. West wind 9 to 13 mph, with gusts as high as 18 mph.
Sunday Night
Mostly clear, with a low around 13. West southwest wind around 8 mph.
M.L.King Day
Mostly sunny, with a high near 35. West southwest wind 7 to 11 mph.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Waltonville IL
 38.23°N 89.03°W
10:26 pm CST Jan 12, 2026
12am CST Jan 13, 2026-6pm CST Jan 19, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database