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

43°F

6°C

Humidity 76%
Wind Speed Vrbl 5 mph
Barometer 30.07 in (1018.8 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 8 Mar 4:56 am CDT
Extended Forecast for

Waltonville IL

  • Today

    Today: Partly sunny, then gradually becoming sunny, with a high near 64. Calm wind becoming south southwest 5 to 8 mph in the afternoon.

    High: 64 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Clear, with a low around 44. South southwest wind around 7 mph.

    Low: 44 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 74. South wind 7 to 16 mph, with gusts as high as 23 mph.

    High: 74 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 61. South southwest wind 10 to 13 mph, with gusts as high as 23 mph.

    Low: 61 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 78. South southwest wind 9 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.

    High: 78 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 61. South southwest wind 15 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 90%.

    Low: 61 °F

    Showers

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. High near 69. Breezy, with a south southwest wind 18 to 21 mph becoming northwest in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 100%.

    High: 69 °F

    Showers and
    Breezy

  • Wednesday Night

    Wednesday Night: A slight chance of showers before 1am. Partly cloudy, with a low around 33. Breezy, with a northwest wind 11 to 20 mph, with gusts as high as 29 mph.

    Low: 33 °F

    Slight Chance
    Showers and
    Breezy

  • Thursday

    Thursday: Sunny, with a high near 52. Northwest wind around 9 mph becoming west southwest in the afternoon.

    High: 52 °F

    Sunny

Detailed Forecast

Today
Partly sunny, then gradually becoming sunny, with a high near 64. Calm wind becoming south southwest 5 to 8 mph in the afternoon.
Tonight
Clear, with a low around 44. South southwest wind around 7 mph.
Monday
Sunny, with a high near 74. South wind 7 to 16 mph, with gusts as high as 23 mph.
Monday Night
Partly cloudy, with a low around 61. South southwest wind 10 to 13 mph, with gusts as high as 23 mph.
Tuesday
A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 78. South southwest wind 9 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.
Tuesday Night
Showers and possibly a thunderstorm. Low around 61. South southwest wind 15 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 90%.
Wednesday
Showers and possibly a thunderstorm. High near 69. Breezy, with a south southwest wind 18 to 21 mph becoming northwest in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 100%.
Wednesday Night
A slight chance of showers before 1am. Partly cloudy, with a low around 33. Breezy, with a northwest wind 11 to 20 mph, with gusts as high as 29 mph.
Thursday
Sunny, with a high near 52. Northwest wind around 9 mph becoming west southwest in the afternoon.
Thursday Night
Partly cloudy, with a low around 41. South wind 6 to 11 mph increasing to 12 to 17 mph after midnight. Winds could gust as high as 29 mph.
Friday
Partly sunny, with a high near 66. Breezy, with a south southwest wind 16 to 20 mph, with gusts as high as 30 mph.
Friday Night
Mostly cloudy, with a low around 38. West wind 7 to 9 mph becoming north northeast after midnight.
Saturday
Partly sunny, with a high near 57. East wind 8 to 13 mph, with gusts as high as 18 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:
12:56 am CST Mar 8, 2026
Forecast Valid:
5am CDT Mar 8, 2026-6pm CDT Mar 14, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation