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Hazardous Weather Conditions

Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Fog/Mist

56°F

13°C

Humidity 100%
Wind Speed NE 3 mph
Barometer 30.15 in (1021.2 mb)
Dewpoint 56°F (13°C)
Visibility 1.00 mi
Last update 24 Jun 4:56 am CDT
Extended Forecast for

3 Miles NNE Waltonville IL

  • Today

    Today: Mostly sunny, with a high near 84. Calm wind becoming south southwest around 5 mph in the afternoon.

    High: 84 °F

    Mostly Sunny

  • Tonight

    Tonight: A chance of showers and thunderstorms. Partly cloudy, with a low around 66. Light and variable wind. Chance of precipitation is 30%.

    Low: 66 °F

    Chance
    Showers

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 88. Light and variable wind.

    High: 88 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7pm. Low around 69. Calm wind. Chance of precipitation is 90%.

    Low: 69 °F

    Showers

  • Friday

    Friday: Showers and possibly a thunderstorm. High near 85. South southwest wind 5 to 9 mph. Chance of precipitation is 80%.

    High: 85 °F

    Showers

  • Friday Night

    Friday Night: Showers and thunderstorms likely before 10pm, then showers likely and possibly a thunderstorm after 10pm. Mostly cloudy, with a low around 70. Southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 70%.

    Low: 70 °F

    T-storms
    Likely then
    Showers
    Likely

  • Saturday

    Saturday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 88. Calm wind becoming southwest around 5 mph. Chance of precipitation is 60%.

    High: 88 °F

    Chance
    T-storms then
    Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 72. Light south wind.

    Low: 72 °F

    Chance
    T-storms

  • Sunday

    Sunday: Sunny, with a high near 93. Light south wind becoming south southwest 5 to 9 mph in the morning.

    High: 93 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 84. Calm wind becoming south southwest around 5 mph in the afternoon.
Tonight
A chance of showers and thunderstorms. Partly cloudy, with a low around 66. Light and variable wind. Chance of precipitation is 30%.
Thursday
A 40 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 88. Light and variable wind.
Thursday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7pm. Low around 69. Calm wind. Chance of precipitation is 90%.
Friday
Showers and possibly a thunderstorm. High near 85. South southwest wind 5 to 9 mph. Chance of precipitation is 80%.
Friday Night
Showers and thunderstorms likely before 10pm, then showers likely and possibly a thunderstorm after 10pm. Mostly cloudy, with a low around 70. Southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 70%.
Saturday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 88. Calm wind becoming southwest around 5 mph. Chance of precipitation is 60%.
Saturday Night
A chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 72. Light south wind.
Sunday
Sunny, with a high near 93. Light south wind becoming south southwest 5 to 9 mph in the morning.
Sunday Night
Clear, with a low around 75. South wind 3 to 8 mph.
Monday
Sunny, with a high near 95. Light south wind becoming south southwest 5 to 9 mph in the morning.
Monday Night
Clear, with a low around 76. South wind 5 to 8 mph becoming calm after midnight.
Tuesday
Sunny, with a high near 96. Calm wind becoming south southwest around 6 mph in the morning.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Waltonville IL
 38.25°N 89°W
Last Update:
1:26 am CDT Jun 24, 2026
Forecast Valid:
5am CDT Jun 24, 2026-6pm CDT Jun 30, 2026
 
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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