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.

Overcast

30°F

-1°C

Humidity 55%
Wind Speed W 18 G 25 mph
Barometer 30.31 in
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 11 Jan 3:55 am CST
Extended Forecast for

4 Miles SSW South Roxana IL

  • Overnight

    Overnight: A chance of flurries before 5am. Partly cloudy, with a low around 26. Northwest wind around 16 mph, with gusts as high as 28 mph.

    Low: 26 °F

    Chance
    Flurries

  • Sunday

    Sunday: Sunny, with a high near 38. Northwest wind 7 to 16 mph, with gusts as high as 28 mph.

    High: 38 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 26. Light and variable wind becoming southwest 5 to 7 mph in the evening.

    Low: 26 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 52. Southwest wind 6 to 10 mph.

    High: 52 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 36. Southwest wind 5 to 7 mph.

    Low: 36 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 59.

    High: 59 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 43. Breezy.

    High: 43 °F

    Partly Sunny
    then Mostly
    Cloudy and
    Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 19.

    Low: 19 °F

    Partly Cloudy

Detailed Forecast

Overnight
A chance of flurries before 5am. Partly cloudy, with a low around 26. Northwest wind around 16 mph, with gusts as high as 28 mph.
Sunday
Sunny, with a high near 38. Northwest wind 7 to 16 mph, with gusts as high as 28 mph.
Sunday Night
Mostly clear, with a low around 26. Light and variable wind becoming southwest 5 to 7 mph in the evening.
Monday
Sunny, with a high near 52. Southwest wind 6 to 10 mph.
Monday Night
Partly cloudy, with a low around 36. Southwest wind 5 to 7 mph.
Tuesday
Partly sunny, with a high near 59.
Tuesday Night
A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 38.
Wednesday
Mostly cloudy, with a high near 43. Breezy.
Wednesday Night
Partly cloudy, with a low around 19.
Thursday
Mostly sunny, with a high near 38.
Thursday Night
Mostly cloudy, with a low around 28.
Friday
Mostly cloudy, with a high near 42.
Friday Night
Mostly cloudy, with a low around 23.
Saturday
Mostly cloudy, with a high near 32.
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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 am CST Jan 11, 2026
Forecast Valid:
4am CST Jan 11, 2026-6pm CST Jan 17, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation