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.

Fog/Mist

54°F

12°C

Humidity 100%
Wind Speed SE 6 mph
Barometer 30.19 in (1022.5 mb)
Dewpoint 54°F (12°C)
Visibility 6.00 mi
Wind Chill52°F (11°C)
Last update 2 Nov 2:56 am CST
Extended Forecast for

Belle Rive IL

  • Overnight

    Overnight: A chance of drizzle, mainly after 4am. Cloudy, with a low around 54. Southeast wind 3 to 6 mph.

    Low: 54 °F

    Chance
    Drizzle

  • Monday

    Monday: A slight chance of drizzle before 10am. Cloudy, with a high near 69. South wind 7 to 14 mph, with gusts as high as 20 mph.

    High: 69 °F

    Slight Chance
    Drizzle then
    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 59. South southeast wind 11 to 17 mph, with gusts as high as 26 mph.

    Low: 59 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of showers, mainly after 4pm. Mostly cloudy, with a high near 78. Breezy, with a south wind 17 to 24 mph, with gusts as high as 32 mph.

    High: 78 °F

    Breezy.
    Mostly Cloudy
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: Showers before 9pm, then showers and possibly a thunderstorm between 9pm and midnight, then showers likely after midnight. Low around 55. South wind 7 to 17 mph, with gusts as high as 22 mph. Chance of precipitation is 100%.

    Low: 55 °F

    Showers then
    Showers
    Likely

  • Wednesday

    Wednesday: A 20 percent chance of showers before noon. Mostly sunny, with a high near 70. West southwest wind 7 to 13 mph.

    High: 70 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 45. West southwest wind around 5 mph becoming calm in the evening.

    Low: 45 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 69. Light west southwest wind increasing to 6 to 11 mph in the morning.

    High: 69 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 44. Light west northwest wind.

    Low: 44 °F

    Partly Cloudy

Detailed Forecast

Overnight
A chance of drizzle, mainly after 4am. Cloudy, with a low around 54. Southeast wind 3 to 6 mph.
Monday
A slight chance of drizzle before 10am. Cloudy, with a high near 69. South wind 7 to 14 mph, with gusts as high as 20 mph.
Monday Night
Mostly cloudy, with a low around 59. South southeast wind 11 to 17 mph, with gusts as high as 26 mph.
Tuesday
A 40 percent chance of showers, mainly after 4pm. Mostly cloudy, with a high near 78. Breezy, with a south wind 17 to 24 mph, with gusts as high as 32 mph.
Tuesday Night
Showers before 9pm, then showers and possibly a thunderstorm between 9pm and midnight, then showers likely after midnight. Low around 55. South wind 7 to 17 mph, with gusts as high as 22 mph. Chance of precipitation is 100%.
Wednesday
A 20 percent chance of showers before noon. Mostly sunny, with a high near 70. West southwest wind 7 to 13 mph.
Wednesday Night
Mostly clear, with a low around 45. West southwest wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 69. Light west southwest wind increasing to 6 to 11 mph in the morning.
Thursday Night
Partly cloudy, with a low around 44. Light west northwest wind.
Friday
Mostly sunny, with a high near 63. Light northwest wind increasing to 5 to 10 mph in the morning.
Friday Night
Partly cloudy, with a low around 40. Light north northwest wind.
Saturday
Mostly sunny, with a high near 63. Calm wind becoming northwest around 6 mph.
Saturday Night
Partly cloudy, with a low around 39. Calm wind.
Sunday
Mostly sunny, with a high near 64. Light and variable wind becoming northwest 5 to 10 mph in the morning.
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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:
2:21 am CST Nov 2, 2026
Forecast Valid:
3am CST Nov 2, 2026-6pm CST Nov 8, 2026
 
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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