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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Belle Rive IL

  • This Afternoon

    This Afternoon: Sunny early, then becoming cloudy, with a temperature falling to around 40 by 5pm. North northwest wind 10 to 14 mph, with gusts as high as 29 mph.

    High: 47 °F⇓

    Becoming
    Cloudy

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 20. North northwest wind 6 to 10 mph, with gusts as high as 20 mph.

    Low: 20 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Sunny, with a high near 32. North northeast wind around 6 mph becoming calm in the afternoon.

    High: 32 °F

    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 22. Calm wind becoming southeast around 6 mph after midnight.

    Low: 22 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly sunny, with a high near 47. South wind 5 to 8 mph.

    High: 47 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 29. Light and variable wind.

    Low: 29 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 56. Light southwest wind.

    High: 56 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 39. Calm wind becoming south around 6 mph after midnight.

    Low: 39 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of showers, mainly after noon. Mostly cloudy, with a high near 62. Southwest wind 6 to 9 mph.

    High: 62 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Sunny early, then becoming cloudy, with a temperature falling to around 40 by 5pm. North northwest wind 10 to 14 mph, with gusts as high as 29 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 20. North northwest wind 6 to 10 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 32. North northeast wind around 6 mph becoming calm in the afternoon.
Saturday Night
Increasing clouds, with a low around 22. Calm wind becoming southeast around 6 mph after midnight.
Sunday
Mostly sunny, with a high near 47. South wind 5 to 8 mph.
Sunday Night
Mostly clear, with a low around 29. Light and variable wind.
Monday
Sunny, with a high near 56. Light southwest wind.
Monday Night
Partly cloudy, with a low around 39. Calm wind becoming south around 6 mph after midnight.
Tuesday
A chance of showers, mainly after noon. Mostly cloudy, with a high near 62. Southwest wind 6 to 9 mph.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 40. Southwest wind 6 to 8 mph becoming northwest after midnight.
Wednesday
A slight chance of showers. Mostly cloudy, with a high near 51. North northwest wind 6 to 10 mph.
Wednesday Night
A slight chance of showers. Mostly cloudy, with a low around 30. North wind around 6 mph.
Thursday
A slight chance of showers. Mostly cloudy, with a high near 46. North wind 5 to 7 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Belle Rive IL
 38.22°N 88.72°W
Last Update:
10:46 am CST Feb 6, 2026
Forecast Valid:
12pm CST Feb 6, 2026-6pm CST Feb 12, 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