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

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Fair

52°F

11°C

Humidity 62%
Wind Speed N 5 mph
Barometer 29.89 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 8 Nov 9:50 am CST
Extended Forecast for

Wilsonville IL

  • Today

    Today: A 40 percent chance of rain, mainly after 5pm. Increasing clouds, with a high near 62. Calm wind becoming south around 6 mph in the afternoon.

    High: 62 °F

    Sunny then
    Chance Rain

  • Tonight

    Tonight: A 50 percent chance of rain, mainly before 11pm. Mostly cloudy, with a low around 33. East wind 7 to 12 mph becoming northwest 13 to 18 mph in the evening. Winds could gust as high as 29 mph.

    Low: 33 °F

    Chance Rain
    then Slight
    Chance Rain

  • Sunday

    Sunday: A chance of sprinkles and flurries between noon and 3pm, then a chance of flurries after 3pm. Mostly cloudy, then gradually becoming sunny, with a high near 39. Breezy, with a northwest wind 16 to 21 mph, with gusts as high as 30 mph.

    High: 39 °F

    Breezy.
    Partly Sunny
    then Chance
    Sprinkles/Flurries

  • Sunday Night

    Sunday Night: A chance of flurries before midnight. Partly cloudy, with a low around 23. Northwest wind 10 to 14 mph, with gusts as high as 22 mph.

    Low: 23 °F

    Chance
    Flurries

  • Monday

    Monday: Sunny, with a high near 39. Northwest wind 8 to 16 mph, with gusts as high as 23 mph.

    High: 39 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 23.

    Low: 23 °F

    Partly Cloudy

  • Veterans Day

    Veterans Day: Partly sunny, with a high near 54.

    High: 54 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

Detailed Forecast

Today
A 40 percent chance of rain, mainly after 5pm. Increasing clouds, with a high near 62. Calm wind becoming south around 6 mph in the afternoon.
Tonight
A 50 percent chance of rain, mainly before 11pm. Mostly cloudy, with a low around 33. East wind 7 to 12 mph becoming northwest 13 to 18 mph in the evening. Winds could gust as high as 29 mph.
Sunday
A chance of sprinkles and flurries between noon and 3pm, then a chance of flurries after 3pm. Mostly cloudy, then gradually becoming sunny, with a high near 39. Breezy, with a northwest wind 16 to 21 mph, with gusts as high as 30 mph.
Sunday Night
A chance of flurries before midnight. Partly cloudy, with a low around 23. Northwest wind 10 to 14 mph, with gusts as high as 22 mph.
Monday
Sunny, with a high near 39. Northwest wind 8 to 16 mph, with gusts as high as 23 mph.
Monday Night
Partly cloudy, with a low around 23.
Veterans Day
Partly sunny, with a high near 54.
Tuesday Night
Mostly clear, with a low around 38.
Wednesday
Sunny, with a high near 62.
Wednesday Night
Mostly clear, with a low around 34.
Thursday
Sunny, with a high near 60.
Thursday Night
Partly cloudy, with a low around 40.
Friday
Mostly sunny, with a high near 65.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Wilsonville IL
 39.07°N 89.87°W (Elev. 636 ft)
Last Update:
8:46 am CST Nov 8, 2025
Forecast Valid:
10am CST Nov 8, 2025-6pm CST Nov 14, 2025
 
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Additional Resources

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Chance of Precipitation