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

4 Miles SSW South Roxana IL

Wind Advisory April 2, 05:58pm until April 2, 07:00pm
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory April 2, 05:58pm until April 2, 07:00pm

    NOW until 7:00pm Thu

    Wind Advisory

  • This Afternoon

    High: 75 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 61. South wind 13 to 18 mph becoming north 5 to 10 mph after midnight. Winds could gust as high as 30 mph.

    Low: 61 °F

    Chance
    T-storms

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms, mainly after 5pm.  Mostly cloudy, with a high near 78. Southeast wind 5 to 10 mph becoming south 11 to 16 mph in the afternoon. Winds could gust as high as 24 mph.

    High: 78 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7pm. Some of the storms could produce heavy rainfall.  Low around 58. South wind 11 to 14 mph, with gusts as high as 21 mph.  Chance of precipitation is 100%.

    Low: 58 °F

    Showers
    Likely then
    Heavy Rain

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a high near 65. West wind 11 to 17 mph, with gusts as high as 24 mph.  Chance of precipitation is 70%.

    High: 65 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 40.

    Low: 40 °F

    Clear

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 75. South wind around 14 mph, with gusts as high as 32 mph.
Tonight
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 61. South wind 13 to 18 mph becoming north 5 to 10 mph after midnight. Winds could gust as high as 30 mph.
Friday
A 50 percent chance of showers and thunderstorms, mainly after 5pm. Mostly cloudy, with a high near 78. Southeast wind 5 to 10 mph becoming south 11 to 16 mph in the afternoon. Winds could gust as high as 24 mph.
Friday Night
A slight chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7pm. Some of the storms could produce heavy rainfall. Low around 58. South wind 11 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 100%.
Saturday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 65. 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 40.
Sunday
Sunny, with a high near 58.
Sunday Night
Clear, with a low around 40.
Monday
Sunny, with a high near 62.
Monday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 37.
Tuesday
Mostly sunny, with a high near 56.
Tuesday Night
Partly cloudy, with a low around 38.
Wednesday
Mostly sunny, with a high near 69.
Wednesday Night
Partly cloudy, with a low around 51.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 76.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW South Roxana IL
 38.77°N 90.08°W (Elev. 427 ft)
5:46 pm CDT Apr 2, 2026
5pm CDT Apr 2, 2026-6pm CDT Apr 9, 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