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.

Mostly Cloudy

33°F

1°C

Humidity 52%
Wind Speed SW 9 mph
Barometer 29.70 in
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 16 Jan 6:15 am CST
Extended Forecast for

4 Miles SSW South Roxana IL

  • Today

    Today: A slight chance of rain and snow before 11am, then a chance of rain after 4pm. Mostly cloudy, with a high near 45. West wind 8 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    High: 45 °F

    Slight Chance
    Rain/Snow
    then Chance
    Rain

  • Tonight

    Tonight: A chance of rain before 7pm, then a chance of snow between 7pm and 11pm. Cloudy, then gradually becoming partly cloudy, with a low around 22. West wind 10 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.

    Low: 22 °F

    Chance
    Rain/Snow
    then Partly
    Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 28. West wind 10 to 17 mph.

    High: 28 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 13. West wind 6 to 11 mph.

    Low: 13 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 32. Southwest wind 6 to 14 mph, with gusts as high as 21 mph.

    High: 32 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 13.

    Low: 13 °F

    Partly Cloudy

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 24.

    High: 24 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 11.

    Low: 11 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 38.

    High: 38 °F

    Mostly Sunny

Detailed Forecast

Today
A slight chance of rain and snow before 11am, then a chance of rain after 4pm. Mostly cloudy, with a high near 45. West wind 8 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Tonight
A chance of rain before 7pm, then a chance of snow between 7pm and 11pm. Cloudy, then gradually becoming partly cloudy, with a low around 22. West wind 10 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
Saturday
Partly sunny, with a high near 28. West wind 10 to 17 mph.
Saturday Night
Mostly clear, with a low around 13. West wind 6 to 11 mph.
Sunday
Mostly sunny, with a high near 32. Southwest wind 6 to 14 mph, with gusts as high as 21 mph.
Sunday Night
Partly cloudy, with a low around 13.
M.L.King Day
Sunny, with a high near 24.
Monday Night
Mostly clear, with a low around 11.
Tuesday
Mostly sunny, with a high near 38.
Tuesday Night
Partly cloudy, with a low around 27.
Wednesday
Mostly sunny, with a high near 49.
Wednesday Night
Mostly cloudy, with a low around 27.
Thursday
A 20 percent chance of rain. Partly sunny, with a high near 40.
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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:
5:01 am CST Jan 16, 2026
Forecast Valid:
6am CST Jan 16, 2026-6pm CST Jan 22, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation