Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Overcast

28°F

-2°C

Humidity 40%
Wind Speed W 10 mph
Barometer 30.26 in
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 28 Jan 2:50 pm CST
Extended Forecast for

4 Miles SSW South Roxana IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 10. West wind around 6 mph becoming calm  after midnight.

    Low: 10 °F

    Mostly Cloudy

  • Thursday

    Thursday: Cloudy, with a high near 23. Northeast wind 3 to 7 mph.

    High: 23 °F

    Cloudy

  • Thursday Night

    Thursday Night: A 30 percent chance of snow, mainly before midnight.  Mostly cloudy, with a low around 7. North wind 3 to 7 mph.

    Low: 7 °F

    Chance Snow

  • Friday

    Friday: Partly sunny and cold, with a high near 19. North wind 5 to 11 mph.

    High: 19 °F

    Cold

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 4. North wind around 10 mph.

    Low: 4 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny and cold, with a high near 18.

    High: 18 °F

    Cold

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 2.

    Low: 2 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 27.

    High: 27 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of snow before midnight.  Mostly cloudy, with a low around 14.

    Low: 14 °F

    Slight Chance
    Snow then
    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 10. West wind around 6 mph becoming calm after midnight.
Thursday
Cloudy, with a high near 23. Northeast wind 3 to 7 mph.
Thursday Night
A 30 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 7. North wind 3 to 7 mph.
Friday
Partly sunny and cold, with a high near 19. North wind 5 to 11 mph.
Friday Night
Mostly cloudy, with a low around 4. North wind around 10 mph.
Saturday
Mostly sunny and cold, with a high near 18.
Saturday Night
Partly cloudy, with a low around 2.
Sunday
Partly sunny, with a high near 27.
Sunday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 14.
Monday
Partly sunny, with a high near 35.
Monday Night
Mostly cloudy, with a low around 20.
Tuesday
Mostly cloudy, with a high near 37.
Tuesday Night
A chance of rain and snow. Mostly cloudy, with a low around 26. Chance of precipitation is 30%.
Wednesday
A chance of rain and snow. Mostly cloudy, with a high near 36. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW South Roxana IL
 38.77°N 90.08°W (Elev. 427 ft)
3:16 pm CST Jan 28, 2026
3pm CST Jan 28, 2026-6pm CST Feb 4, 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