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

Hazardous Weather Conditions

Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Fair

28°F

-2°C

Humidity 47%
Wind Speed W 20 G 21 mph
Barometer 30.31 in
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill15°F (-9°C)
Last update 27 Jan 2:50 pm CST
Extended Forecast for

4 Miles SSW South Roxana IL

  • Tonight

    Tonight: Mostly clear, with a low around -1. Northwest wind 5 to 7 mph becoming calm in the evening.

    Low: -1 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 29. Light southwest wind becoming west 5 to 10 mph in the morning.

    High: 29 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 9. Southwest wind around 5 mph becoming calm in the evening.

    Low: 9 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 21. Northeast wind 3 to 6 mph.

    High: 21 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 5. North wind 3 to 6 mph.

    Low: 5 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny and cold, with a high near 16.

    High: 16 °F

    Cold

  • Friday Night

    Friday Night: Partly cloudy, with a low around 1.

    Low: 1 °F

    Partly 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

Detailed Forecast

Tonight
Mostly clear, with a low around -1. Northwest wind 5 to 7 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 29. Light southwest wind becoming west 5 to 10 mph in the morning.
Wednesday Night
Mostly cloudy, with a low around 9. Southwest wind around 5 mph becoming calm in the evening.
Thursday
Mostly cloudy, with a high near 21. Northeast wind 3 to 6 mph.
Thursday Night
Mostly cloudy, with a low around 5. North wind 3 to 6 mph.
Friday
Mostly sunny and cold, with a high near 16.
Friday Night
Partly cloudy, with a low around 1.
Saturday
Mostly sunny and cold, with a high near 18.
Saturday Night
Partly cloudy, with a low around 2.
Sunday
A 20 percent chance of snow after noon. Partly sunny, with a high near 26.
Sunday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 15.
Monday
Partly sunny, with a high near 32.
Monday Night
Mostly cloudy, with a low around 15.
Tuesday
Partly sunny, with a high near 33.
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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:
3:16 pm CST Jan 27, 2026
Forecast Valid:
3pm CST Jan 27, 2026-6pm CST Feb 3, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation