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

59°F

15°C

Humidity 39%
Wind Speed SE 13 mph
Barometer 29.96 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 14 Mar 2:50 pm CDT
Extended Forecast for

4 Miles SSW South Roxana IL

Wind Advisory March 15, 10:00am until March 16, 12:00pm
Click here for hazard details and duration
Wind Advisory

  • Tonight

    Tonight: Increasing clouds, with a low around 55. South wind 10 to 16 mph, with gusts as high as 26 mph.

    Low: 55 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Rain and thunderstorms likely before 3pm, then rain and possibly a thunderstorm between 3pm and 4pm, then rain after 4pm. High near 67. Breezy, with a south wind 20 to 26 mph, with gusts as high as 41 mph. Chance of precipitation is 90%.

    High: 67 °F

    Breezy.
    Slight Chance
    T-storms then
    Rain

  • Sunday Night

    Sunday Night: Rain before 10pm, then a chance of snow. Low around 21. Windy, with a west wind around 30 mph, with gusts as high as 47 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 21 °F

    Windy.
    Rain/Snow
    then Chance
    Snow

  • Monday

    Monday: A 20 percent chance of snow before 7am. Mostly cloudy, with a high near 29. Windy, with a northwest wind 24 to 30 mph, with gusts as high as 43 mph.

    High: 29 °F

    Slight Chance
    Snow and
    Windy then
    Mostly Cloudy
    and Blustery

  • Monday Night

    Monday Night: Partly cloudy, with a low around 14. Blustery, with a northwest wind 10 to 20 mph, with gusts as high as 28 mph.

    Low: 14 °F

    Partly Cloudy
    and Blustery
    then Mostly
    Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 37.

    High: 37 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of snow before 1am, then a chance of rain and snow. Mostly cloudy, with a low around 32. Chance of precipitation is 30%.

    Low: 32 °F

    Slight Chance
    Snow then
    Chance
    Rain/Snow

  • Wednesday

    Wednesday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

Detailed Forecast

Tonight
Increasing clouds, with a low around 55. South wind 10 to 16 mph, with gusts as high as 26 mph.
Sunday
Rain and thunderstorms likely before 3pm, then rain and possibly a thunderstorm between 3pm and 4pm, then rain after 4pm. High near 67. Breezy, with a south wind 20 to 26 mph, with gusts as high as 41 mph. Chance of precipitation is 90%.
Sunday Night
Rain before 10pm, then a chance of snow. Low around 21. Windy, with a west wind around 30 mph, with gusts as high as 47 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Monday
A 20 percent chance of snow before 7am. Mostly cloudy, with a high near 29. Windy, with a northwest wind 24 to 30 mph, with gusts as high as 43 mph.
Monday Night
Partly cloudy, with a low around 14. Blustery, with a northwest wind 10 to 20 mph, with gusts as high as 28 mph.
Tuesday
Mostly sunny, with a high near 37.
Tuesday Night
A slight chance of snow before 1am, then a chance of rain and snow. Mostly cloudy, with a low around 32. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 65.
Wednesday Night
Mostly clear, with a low around 40.
Thursday
Sunny, with a high near 73.
Thursday Night
Partly cloudy, with a low around 47.
Friday
Sunny, with a high near 73.
Friday Night
Partly cloudy, with a low around 49.
Saturday
Mostly sunny, with a high near 77.
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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:
1:56 pm CDT Mar 14, 2026
Forecast Valid:
3pm CDT Mar 14, 2026-6pm CDT Mar 21, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation