Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Light Rain

42°F

6°C

Humidity 92%
Wind Speed N 8 G 18 mph
Barometer 30.17 in (1021.9 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 27 Mar 5:56 am CDT
Extended Forecast for

Waltonville IL

Freeze Warning March 28, 01:00am until March 28, 09:00am
Click here for hazard details and duration
Freeze Warning
  • Overnight

    Overnight: Showers and possibly a thunderstorm.  Steady temperature around 47. North northeast wind around 15 mph, with gusts as high as 26 mph.  Chance of precipitation is 90%.

    Low: 47 °F

    Showers

  • Friday

    Friday: Showers likely and possibly a thunderstorm before 10am, then a slight chance of showers between 10am and 11am.  Cloudy through mid morning, then gradual clearing, with a high near 52. North wind around 17 mph, with gusts as high as 26 mph.  Chance of precipitation is 60%.

    High: 52 °F

    Showers
    Likely then
    Partly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 29. North wind 6 to 13 mph, with gusts as high as 22 mph.

    Low: 29 °F

    Mostly Clear

  • Saturday

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

    High: 56 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 39. South southeast wind around 6 mph.

    Low: 39 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 66. South wind 6 to 13 mph, with gusts as high as 20 mph.

    High: 66 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 55. South southwest wind 8 to 10 mph, with gusts as high as 20 mph.

    Low: 55 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 79. South southwest wind 10 to 15 mph, with gusts as high as 23 mph.

    High: 79 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 63. South wind 11 to 14 mph, with gusts as high as 25 mph.

    Low: 63 °F

    Partly Cloudy

Detailed Forecast

Overnight
Showers and possibly a thunderstorm. Steady temperature around 47. North northeast wind around 15 mph, with gusts as high as 26 mph. Chance of precipitation is 90%.
Friday
Showers likely and possibly a thunderstorm before 10am, then a slight chance of showers between 10am and 11am. Cloudy through mid morning, then gradual clearing, with a high near 52. North wind around 17 mph, with gusts as high as 26 mph. Chance of precipitation is 60%.
Friday Night
Mostly clear, with a low around 29. North wind 6 to 13 mph, with gusts as high as 22 mph.
Saturday
Sunny, with a high near 56. North wind around 6 mph becoming southeast in the afternoon.
Saturday Night
Partly cloudy, with a low around 39. South southeast wind around 6 mph.
Sunday
Partly sunny, with a high near 66. South wind 6 to 13 mph, with gusts as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 55. South southwest wind 8 to 10 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 79. South southwest wind 10 to 15 mph, with gusts as high as 23 mph.
Monday Night
Partly cloudy, with a low around 63. South wind 11 to 14 mph, with gusts as high as 25 mph.
Tuesday
Partly sunny, with a high near 83. South southwest wind 14 to 18 mph, with gusts as high as 26 mph.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 64. South southwest wind around 15 mph, with gusts as high as 25 mph.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 76. South southwest wind 14 to 17 mph, with gusts as high as 25 mph.
Wednesday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 57. South wind 11 to 14 mph, with gusts as high as 23 mph.
Thursday
Showers and thunderstorms likely. Mostly cloudy, with a high near 70. South wind 13 to 15 mph, with gusts as high as 23 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Waltonville IL
 38.23°N 89.03°W
4:51 am CDT Mar 27, 2026
5am CDT Mar 27, 2026-6pm CDT Apr 2, 2026
 
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