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Hazardous Weather Conditions

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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Forecast Area
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ABOUT THIS FORECAST

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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation