National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Overcast

75°F

24°C

Humidity 90%
Wind Speed SW 5 mph
Barometer 29.96 in (1014.3 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 14 Jun 9:56 am CDT
Extended Forecast for

Waltonville IL

  • Today

    Today: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 82. Light and variable wind becoming north northwest around 6 mph in the afternoon.

    High: 82 °F

    Chance
    T-storms

  • Tonight

    Tonight: Mostly cloudy, with a low around 67. North wind 3 to 6 mph.

    Low: 67 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 84. North northeast wind 3 to 5 mph.

    High: 84 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 68. Calm wind.

    Low: 68 °F

    Partly Cloudy

  • Monday

    Monday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 84. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 40%.

    High: 84 °F

    Chance
    Showers then
    Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Calm wind.

    Low: 70 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 87. South southwest wind 5 to 8 mph.

    High: 87 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 73. South wind 6 to 8 mph.

    Low: 73 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89. South southwest wind 9 to 14 mph, with gusts as high as 22 mph.

    High: 89 °F

    Slight Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 82. Light and variable wind becoming north northwest around 6 mph in the afternoon.
Tonight
Mostly cloudy, with a low around 67. North wind 3 to 6 mph.
Sunday
Partly sunny, with a high near 84. North northeast wind 3 to 5 mph.
Sunday Night
Partly cloudy, with a low around 68. Calm wind.
Monday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 84. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 40%.
Monday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Calm wind.
Tuesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 87. South southwest wind 5 to 8 mph.
Tuesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 73. South wind 6 to 8 mph.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89. South southwest wind 9 to 14 mph, with gusts as high as 22 mph.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Southwest wind 7 to 10 mph.
Juneteenth
A chance of showers and thunderstorms. Mostly sunny, with a high near 88. West southwest wind 6 to 8 mph.
Thursday Night
Mostly clear, with a low around 69. Light and variable wind.
Friday
A slight chance of showers. Mostly sunny, with a high near 89. Calm wind becoming southwest around 6 mph in the morning.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Waltonville IL
 38.2°N 89.03°W
Last Update:
8:32 am CDT Jun 14, 2025
Forecast Valid:
10am CDT Jun 14, 2025-6pm CDT Jun 20, 2025
 
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