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Hazardous Weather Conditions

Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Partly Cloudy and Breezy

73°F

23°C

Humidity 74%
Wind Speed S 24 G 32 mph
Barometer 29.73 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 2 Apr 5:45 pm CDT
Extended Forecast for

Wilsonville IL

Wind Advisory April 2, 05:55pm until April 2, 07:00pm
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory April 2, 05:55pm until April 2, 07:00pm

    NOW until 7:00pm Thu

    Wind Advisory

  • This Afternoon

    High: 72 °F

    Chance
    T-storms and
    Breezy

  • Tonight

    Tonight: Showers and thunderstorms likely before 1am, then a chance of showers. Mostly cloudy, with a low around 58. Breezy, with a south wind 17 to 22 mph becoming west 5 to 10 mph after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 60%.

    Low: 58 °F

    Showers
    Likely and
    Breezy

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms, mainly after 5pm. Mostly cloudy, with a high near 75. Southeast wind 5 to 15 mph becoming south in the morning. Winds could gust as high as 23 mph.

    High: 75 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7pm. Low around 56. South wind around 14 mph, with gusts as high as 22 mph. Chance of precipitation is 100%.

    Low: 56 °F

    Showers
    Likely then
    T-storms

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a temperature falling to around 55 by 5pm. West wind 11 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 70%.

    High: 62 °F⇓

    Showers
    Likely

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 55.

    High: 55 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 37.

    Low: 37 °F

    Clear

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 72. Breezy, with a south wind around 24 mph, with gusts as high as 34 mph.
Tonight
Showers and thunderstorms likely before 1am, then a chance of showers. Mostly cloudy, with a low around 58. Breezy, with a south wind 17 to 22 mph becoming west 5 to 10 mph after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 60%.
Friday
A 50 percent chance of showers and thunderstorms, mainly after 5pm. Mostly cloudy, with a high near 75. Southeast wind 5 to 15 mph becoming south in the morning. Winds could gust as high as 23 mph.
Friday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7pm. Low around 56. South wind around 14 mph, with gusts as high as 22 mph. Chance of precipitation is 100%.
Saturday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a temperature falling to around 55 by 5pm. West wind 11 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 70%.
Saturday Night
Partly cloudy, with a low around 37.
Sunday
Sunny, with a high near 55.
Sunday Night
Clear, with a low around 37.
Monday
Sunny, with a high near 59.
Monday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 33.
Tuesday
Mostly sunny, with a high near 53.
Tuesday Night
Partly cloudy, with a low around 36.
Wednesday
Mostly sunny, with a high near 66.
Wednesday Night
Partly cloudy, with a low around 49.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 72.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Wilsonville IL
 39.07°N 89.87°W (Elev. 636 ft)
Last Update:
5:46 pm CDT Apr 2, 2026
Forecast Valid:
5pm CDT Apr 2, 2026-6pm CDT Apr 9, 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