Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Fair

74°F

23°C

Humidity 37%
Wind Speed S 16 mph
Barometer 29.97 in (1015.3 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 25 Mar 2:56 pm CDT
Extended Forecast for

Waltonville IL

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 74. South southwest wind around 11 mph, with gusts as high as 18 mph.

    High: 74 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 61. South wind 9 to 13 mph, with gusts as high as 23 mph.

    Low: 61 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 85. South southwest wind 11 to 18 mph, with gusts as high as 26 mph.

    High: 85 °F

    Sunny

  • Thursday Night

    Thursday Night: A slight chance of showers before 10pm, then a slight chance of showers and thunderstorms between 10pm and 1am, then showers and possibly a thunderstorm after 1am.  Low around 45. South southwest wind 13 to 17 mph becoming north after midnight. Winds could gust as high as 28 mph.  Chance of precipitation is 80%.

    Low: 45 °F

    Slight Chance
    T-storms then
    Showers

  • Friday

    Friday: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a high near 54. North wind around 16 mph, with gusts as high as 26 mph.  Chance of precipitation is 60%.

    High: 54 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Mostly clear, with a low around 32. North wind 6 to 13 mph, with gusts as high as 21 mph.

    Low: 32 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 56. North northeast wind around 6 mph becoming east in the afternoon.

    High: 56 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 38. East southeast wind 3 to 5 mph.

    Low: 38 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 63. South wind 6 to 11 mph, with gusts as high as 20 mph.

    High: 63 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 74. South southwest wind around 11 mph, with gusts as high as 18 mph.
Tonight
Partly cloudy, with a low around 61. South wind 9 to 13 mph, with gusts as high as 23 mph.
Thursday
Sunny, with a high near 85. South southwest wind 11 to 18 mph, with gusts as high as 26 mph.
Thursday Night
A slight chance of showers before 10pm, then a slight chance of showers and thunderstorms between 10pm and 1am, then showers and possibly a thunderstorm after 1am. Low around 45. South southwest wind 13 to 17 mph becoming north after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 80%.
Friday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 54. North wind around 16 mph, with gusts as high as 26 mph. Chance of precipitation is 60%.
Friday Night
Mostly clear, with a low around 32. North wind 6 to 13 mph, with gusts as high as 21 mph.
Saturday
Sunny, with a high near 56. North northeast wind around 6 mph becoming east in the afternoon.
Saturday Night
Partly cloudy, with a low around 38. East southeast wind 3 to 5 mph.
Sunday
Mostly sunny, with a high near 63. South wind 6 to 11 mph, with gusts as high as 20 mph.
Sunday Night
Mostly cloudy, with a low around 53. South southwest wind 8 to 11 mph, with gusts as high as 21 mph.
Monday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 76. South southwest wind 11 to 14 mph, with gusts as high as 22 mph.
Monday Night
A slight chance of showers. Partly cloudy, with a low around 60. South southwest wind 9 to 11 mph, with gusts as high as 21 mph.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 78. South southwest wind 11 to 15 mph, with gusts as high as 23 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
1:26 pm CDT Mar 25, 2026
3pm CDT Mar 25, 2026-6pm CDT Mar 31, 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