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

20°F

-7°C

Humidity 73%
Wind Speed SE 5 mph
Barometer 30.30 in
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill13°F (-11°C)
Last update 24 Feb 12:15 am CST
Extended Forecast for

Roxana IL

  • Overnight

    Overnight: Partly cloudy, with a low around 21. Calm wind becoming south 5 to 8 mph.

    Low: 21 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Increasing clouds, with a high near 55. Breezy, with a south wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 33 mph.

    High: 55 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Tuesday Night

    Tuesday Night: Cloudy, then gradually becoming partly cloudy, with a low around 34. Southwest wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.

    Low: 34 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Partly sunny, with a high near 52. Calm wind becoming north around 6 mph in the afternoon.

    High: 52 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Rain likely, mainly after midnight. Mostly cloudy, with a low around 36. East wind 5 to 8 mph. Chance of precipitation is 60%.

    Low: 36 °F

    Rain Likely

  • Thursday

    Thursday: A 20 percent chance of rain before noon. Partly sunny, with a high near 50.

    High: 50 °F

    Slight Chance
    Rain then
    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 32.

    Low: 32 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 21. Calm wind becoming south 5 to 8 mph.
Tuesday
Increasing clouds, with a high near 55. Breezy, with a south wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 33 mph.
Tuesday Night
Cloudy, then gradually becoming partly cloudy, with a low around 34. Southwest wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.
Wednesday
Partly sunny, with a high near 52. Calm wind becoming north around 6 mph in the afternoon.
Wednesday Night
Rain likely, mainly after midnight. Mostly cloudy, with a low around 36. East wind 5 to 8 mph. Chance of precipitation is 60%.
Thursday
A 20 percent chance of rain before noon. Partly sunny, with a high near 50.
Thursday Night
Mostly clear, with a low around 32.
Friday
Sunny, with a high near 64.
Friday Night
Mostly clear, with a low around 39.
Saturday
Sunny, with a high near 65.
Saturday Night
Partly cloudy, with a low around 31.
Sunday
A chance of rain and snow. Partly sunny, with a high near 45. Chance of precipitation is 30%.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 31. Chance of precipitation is 40%.
Monday
A chance of rain and snow. Partly sunny, with a high near 49. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Roxana IL
 38.84°N 90.05°W (Elev. 436 ft)
Last Update:
12:26 am CST Feb 24, 2026
Forecast Valid:
12am CST Feb 24, 2026-6pm CST Mar 2, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation