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Hazardous Weather Conditions

Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Fair

69°F

21°C

Humidity 81%
Wind Speed S 15 mph
Barometer 29.91 in (1012.9 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 2 Apr 10:56 pm CDT
Extended Forecast for

Waltonville IL

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly after 4am. Partly cloudy, with a steady temperature around 68. South southwest wind 10 to 17 mph, with gusts as high as 28 mph.

    Low: 68 °F

    Chance
    Showers

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 10am. Partly sunny, with a high near 81. South southwest wind 8 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.

    High: 81 °F

    Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 60. South wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.

    Low: 60 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Saturday

    Saturday: Showers and possibly a thunderstorm before 4pm, then showers likely. High near 68. West southwest wind around 14 mph, with gusts as high as 22 mph. Chance of precipitation is 100%.

    High: 68 °F

    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 40. West northwest wind 6 to 11 mph, with gusts as high as 20 mph.

    Low: 40 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 58. Northwest wind 6 to 11 mph.

    High: 58 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 38. Northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 38 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 63. Light west wind becoming northwest 5 to 9 mph in the morning.

    High: 63 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 37. North wind 5 to 7 mph.

    Low: 37 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 40 percent chance of showers and thunderstorms, mainly after 4am. Partly cloudy, with a steady temperature around 68. South southwest wind 10 to 17 mph, with gusts as high as 28 mph.
Friday
A chance of showers, with thunderstorms also possible after 10am. Partly sunny, with a high near 81. South southwest wind 8 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.
Friday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 60. South wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.
Saturday
Showers and possibly a thunderstorm before 4pm, then showers likely. High near 68. West southwest wind around 14 mph, with gusts as high as 22 mph. Chance of precipitation is 100%.
Saturday Night
Partly cloudy, with a low around 40. West northwest wind 6 to 11 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 58. Northwest wind 6 to 11 mph.
Sunday Night
Clear, with a low around 38. Northwest wind 5 to 7 mph becoming calm in the evening.
Monday
Sunny, with a high near 63. Light west wind becoming northwest 5 to 9 mph in the morning.
Monday Night
Partly cloudy, with a low around 37. North wind 5 to 7 mph.
Tuesday
Sunny, with a high near 56. North northeast wind around 9 mph.
Tuesday Night
Partly cloudy, with a low around 36. East northeast wind 5 to 7 mph.
Wednesday
Mostly sunny, with a high near 67. South wind 7 to 11 mph, with gusts as high as 18 mph.
Wednesday Night
Partly cloudy, with a low around 50. South wind around 9 mph, with gusts as high as 18 mph.
Thursday
Sunny, with a high near 74. South southwest wind 9 to 14 mph, with gusts as high as 21 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:
10:51 pm CDT Apr 2, 2026
Forecast Valid:
11pm CDT Apr 2, 2026-6pm CDT Apr 9, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation