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

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Fair

38°F

3°C

Humidity 70%
Wind Speed SW 10 mph
Barometer 30.09 in (1019.5 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 13 Jan 1:56 am CST
Extended Forecast for

Belle Rive IL

  • Overnight

    Overnight: Mostly clear, with a steady temperature around 40. South southwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 40 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 60. Southwest wind 9 to 16 mph, with gusts as high as 30 mph.

    High: 60 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A chance of showers between 10pm and 2am. Cloudy, with a low around 38. Southwest wind 5 to 7 mph becoming northwest after midnight. Chance of precipitation is 30%.

    Low: 38 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Partly sunny, with a high near 44. North northwest wind 8 to 18 mph, with gusts as high as 24 mph.

    High: 44 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 17. North northwest wind 7 to 15 mph, with gusts as high as 24 mph.

    Low: 17 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 31. Northwest wind 5 to 7 mph becoming southwest in the afternoon.

    High: 31 °F

    Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of snow showers after midnight. Mostly cloudy, with a low around 23. Light south southwest wind increasing to 9 to 14 mph in the evening. Winds could gust as high as 23 mph.

    Low: 23 °F

    Mostly Cloudy
    then Slight
    Chance Snow
    Showers

  • Friday

    Friday: Partly sunny, with a high near 43. West wind 13 to 17 mph, with gusts as high as 24 mph.

    High: 43 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 21. West wind 9 to 11 mph, with gusts as high as 20 mph.

    Low: 21 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 40. South southwest wind around 10 mph, with gusts as high as 20 mph.
Tuesday
Increasing clouds, with a high near 60. Southwest wind 9 to 16 mph, with gusts as high as 30 mph.
Tuesday Night
A chance of showers between 10pm and 2am. Cloudy, with a low around 38. Southwest wind 5 to 7 mph becoming northwest after midnight. Chance of precipitation is 30%.
Wednesday
Partly sunny, with a high near 44. North northwest wind 8 to 18 mph, with gusts as high as 24 mph.
Wednesday Night
Mostly clear, with a low around 17. North northwest wind 7 to 15 mph, with gusts as high as 24 mph.
Thursday
Sunny, with a high near 31. Northwest wind 5 to 7 mph becoming southwest in the afternoon.
Thursday Night
A 20 percent chance of snow showers after midnight. Mostly cloudy, with a low around 23. Light south southwest wind increasing to 9 to 14 mph in the evening. Winds could gust as high as 23 mph.
Friday
Partly sunny, with a high near 43. West wind 13 to 17 mph, with gusts as high as 24 mph.
Friday Night
Mostly cloudy, with a low around 21. West wind 9 to 11 mph, with gusts as high as 20 mph.
Saturday
Partly sunny, with a high near 31. West wind 10 to 14 mph, with gusts as high as 22 mph.
Saturday Night
Partly cloudy, with a low around 10. West northwest wind 8 to 10 mph.
Sunday
Mostly sunny, with a high near 25. West northwest wind 8 to 13 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 11. West wind 6 to 8 mph.
M.L.King Day
Sunny, with a high near 33. West wind 7 to 11 mph, with gusts as high as 18 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Belle Rive IL
 38.24°N 88.75°W
Last Update:
1:51 am CST Jan 13, 2026
Forecast Valid:
2am CST Jan 13, 2026-6pm CST Jan 19, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation