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.

Fair

72°F

22°C

Humidity 68%
Wind Speed S 8 mph
Barometer 29.87 in (1011.6 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 16 May 12:56 am CDT
Extended Forecast for

Belle Rive IL

  • Overnight

    Overnight: A 30 percent chance of showers and thunderstorms, mainly after 4am. Mostly cloudy, with a low around 67. South southwest wind around 10 mph, with gusts as high as 22 mph.

    Low: 67 °F

    Chance
    T-storms

  • Saturday

    Saturday: A chance of showers and thunderstorms before 7am, then showers likely and possibly a thunderstorm between 7am and 11am, then a chance of showers and thunderstorms after 11am. Mostly cloudy, with a high near 84. South southwest wind 10 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.

    High: 84 °F

    Showers
    Likely then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 65. South southeast wind 5 to 7 mph.

    Low: 65 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 88. South wind 7 to 16 mph, with gusts as high as 22 mph.

    High: 88 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 68. South wind around 11 mph, with gusts as high as 21 mph.

    Low: 68 °F

    Mostly Clear

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89. Breezy, with a south wind 14 to 20 mph, with gusts as high as 25 mph.

    High: 89 °F

    Breezy.
    Mostly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71. South wind around 14 mph, with gusts as high as 22 mph.

    Low: 71 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 87. Breezy, with a south southwest wind 16 to 20 mph, with gusts as high as 25 mph.

    High: 87 °F

    Showers
    Likely and
    Breezy

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Mostly cloudy, with a low around 64. South southwest wind 6 to 10 mph becoming west northwest after midnight. Winds could gust as high as 18 mph.

    Low: 64 °F

    Showers

Detailed Forecast

Overnight
A 30 percent chance of showers and thunderstorms, mainly after 4am. Mostly cloudy, with a low around 67. South southwest wind around 10 mph, with gusts as high as 22 mph.
Saturday
A chance of showers and thunderstorms before 7am, then showers likely and possibly a thunderstorm between 7am and 11am, then a chance of showers and thunderstorms after 11am. Mostly cloudy, with a high near 84. South southwest wind 10 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
Saturday Night
A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 65. South southeast wind 5 to 7 mph.
Sunday
Sunny, with a high near 88. South wind 7 to 16 mph, with gusts as high as 22 mph.
Sunday Night
Mostly clear, with a low around 68. South wind around 11 mph, with gusts as high as 21 mph.
Monday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89. Breezy, with a south wind 14 to 20 mph, with gusts as high as 25 mph.
Monday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71. South wind around 14 mph, with gusts as high as 22 mph.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 87. Breezy, with a south southwest wind 16 to 20 mph, with gusts as high as 25 mph.
Tuesday Night
Showers and possibly a thunderstorm. Mostly cloudy, with a low around 64. South southwest wind 6 to 10 mph becoming west northwest after midnight. Winds could gust as high as 18 mph.
Wednesday
A chance of showers and thunderstorms before 1pm, then a slight chance of showers. Mostly cloudy, with a high near 76. North northwest wind around 10 mph.
Wednesday Night
A slight chance of showers. Mostly cloudy, with a low around 55. North northeast wind 5 to 8 mph.
Thursday
Mostly sunny, with a high near 74. Northeast wind around 9 mph.
Thursday Night
A slight chance of showers. Partly cloudy, with a low around 54. Northeast wind 3 to 7 mph.
Friday
A slight chance of showers. Mostly sunny, with a high near 77. Northeast wind 5 to 7 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:
1:21 am CDT May 16, 2026
Forecast Valid:
1am CDT May 16, 2026-6pm CDT May 22, 2026
 
Forecast Discussion
 
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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