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

31°F

-1°C

Humidity 72%
Wind Speed Calm
Barometer 30.31 in
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Last update 7 Feb 3:35 am CST
Extended Forecast for

4 Miles SSW South Roxana IL

  • Overnight

    Overnight: Mostly clear, with a low around 27. North wind around 6 mph.

    Low: 27 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 36. Northeast wind around 6 mph becoming southeast in the afternoon.

    High: 36 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 26. Southeast wind 6 to 10 mph.

    Low: 26 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 47. Southeast wind 8 to 10 mph.

    High: 47 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 29. East wind 5 to 7 mph becoming calm after midnight.

    Low: 29 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of rain after noon. Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny
    then Slight
    Chance Rain

  • Tuesday Night

    Tuesday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 37.

    Low: 37 °F

    Chance Rain

Detailed Forecast

Overnight
Mostly clear, with a low around 27. North wind around 6 mph.
Saturday
Sunny, with a high near 36. Northeast wind around 6 mph becoming southeast in the afternoon.
Saturday Night
Mostly cloudy, with a low around 26. Southeast wind 6 to 10 mph.
Sunday
Mostly sunny, with a high near 47. Southeast wind 8 to 10 mph.
Sunday Night
Mostly clear, with a low around 29. East wind 5 to 7 mph becoming calm after midnight.
Monday
Sunny, with a high near 57.
Monday Night
Mostly clear, with a low around 42.
Tuesday
A 20 percent chance of rain after noon. Mostly sunny, with a high near 67.
Tuesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 37.
Wednesday
A 30 percent chance of rain before noon. Mostly cloudy, with a high near 50.
Wednesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 32.
Thursday
A 30 percent chance of rain. Mostly cloudy, with a high near 47.
Thursday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 33.
Friday
A 30 percent chance of rain. Mostly cloudy, with a high near 47.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW South Roxana IL
 38.77°N 90.08°W (Elev. 427 ft)
Last Update:
2:27 am CST Feb 7, 2026
Forecast Valid:
3am CST Feb 7, 2026-6pm CST Feb 13, 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