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

75°F

24°C

Humidity 57%
Wind Speed SW 16 G 25 mph
Barometer 29.49 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 28 Dec 1:50 pm CST
Extended Forecast for

4 Miles SSW South Roxana IL

Wind Advisory December 28, 03:00pm until December 29, 06:00am
Click here for hazard details and duration
Wind Advisory

  • This Afternoon

    This Afternoon: A 20 percent chance of rain and thunderstorms. Mostly cloudy, with a high near 72. Breezy, with a west wind 20 to 24 mph, with gusts as high as 37 mph.

    High: 72 °F

    Slight Chance
    T-storms and
    Breezy

  • Tonight

    Tonight: Cloudy, then gradually becoming partly cloudy, with a low around 20. Breezy, with a west wind 25 to 28 mph, with gusts as high as 41 mph.

    Low: 20 °F

    Decreasing
    Clouds and
    Breezy

  • Monday

    Monday: Partly sunny, with a high near 28. Breezy, with a northwest wind 16 to 24 mph, with gusts as high as 37 mph.

    High: 28 °F

    Partly Sunny
    and Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 18. Northwest wind 8 to 15 mph, with gusts as high as 23 mph.

    Low: 18 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 36. West wind 7 to 9 mph.

    High: 36 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 27.

    Low: 27 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 43.

    High: 43 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

  • New Year's Day

    New Year's Day: Mostly sunny, with a high near 39.

    High: 39 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of rain and thunderstorms. Mostly cloudy, with a high near 72. Breezy, with a west wind 20 to 24 mph, with gusts as high as 37 mph.
Tonight
Cloudy, then gradually becoming partly cloudy, with a low around 20. Breezy, with a west wind 25 to 28 mph, with gusts as high as 41 mph.
Monday
Partly sunny, with a high near 28. Breezy, with a northwest wind 16 to 24 mph, with gusts as high as 37 mph.
Monday Night
Partly cloudy, with a low around 18. Northwest wind 8 to 15 mph, with gusts as high as 23 mph.
Tuesday
Mostly sunny, with a high near 36. West wind 7 to 9 mph.
Tuesday Night
Mostly clear, with a low around 27.
Wednesday
Mostly sunny, with a high near 43.
Wednesday Night
Partly cloudy, with a low around 25.
New Year's Day
Mostly sunny, with a high near 39.
Thursday Night
Partly cloudy, with a low around 22.
Friday
Partly sunny, with a high near 42.
Friday Night
Mostly cloudy, with a low around 28.
Saturday
Mostly sunny, with a high near 44.
Basemap Options
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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:
1:51 pm CST Dec 28, 2025
Forecast Valid:
2pm CST Dec 28, 2025-6pm CST Jan 3, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation