Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Fair

-3°F

-19°C

Humidity 62%
Wind Speed NW 10 mph
Barometer 30.40 in
Dewpoint -12°F (-24°C)
Visibility 10.00 mi
Wind Chill-20°F (-29°C)
Last update 26 Jan 2:35 am CST
Extended Forecast for

4 Miles SSW South Roxana IL

Cold Weather Advisory January 26, 06:00pm until January 27, 06:00am
Extreme Cold Warning January 26, 02:45am until January 26, 12:00pm
Click here for hazard details and duration
Cold Weather Advisory
Extreme Cold Warning
  •  
    Extreme Cold Warning January 26, 02:45am until January 26, 12:00pm

    NOW until 12:00pm Mon

    Extreme Cold Warning

  • Overnight

    Low: -7 °F

    Clear

  • Monday

    Monday: Sunny and cold, with a high near 15. Wind chill values as low as -25. Northwest wind 7 to 10 mph becoming southwest in the afternoon.

    High: 15 °F

    Cold

  • Monday Night

    Monday Night: Mostly clear, with a low around 3. Wind chill values as low as -10. South wind 7 to 10 mph, with gusts as high as 20 mph.

    Low: 3 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 30. Southwest wind 8 to 13 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 30 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around -1. Northwest wind around 6 mph becoming calm  in the evening.

    Low: -1 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 29.

    High: 29 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 4.

    Low: 4 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy and cold, with a high near 20.

    High: 20 °F

    Cold

Detailed Forecast

Overnight
Clear, with a low around -7. Wind chill values as low as -25. Northwest wind around 9 mph.
Monday
Sunny and cold, with a high near 15. Wind chill values as low as -25. Northwest wind 7 to 10 mph becoming southwest in the afternoon.
Monday Night
Mostly clear, with a low around 3. Wind chill values as low as -10. South wind 7 to 10 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 30. Southwest wind 8 to 13 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
Mostly clear, with a low around -1. Northwest wind around 6 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 29.
Wednesday Night
Mostly cloudy, with a low around 4.
Thursday
Mostly cloudy and cold, with a high near 20.
Thursday Night
Mostly cloudy, with a low around 1.
Friday
Mostly sunny and cold, with a high near 17.
Friday Night
Mostly clear, with a low around -2.
Saturday
Mostly sunny, with a high near 22.
Saturday Night
Partly cloudy, with a low around 7.
Sunday
Partly sunny, with a high near 30.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW South Roxana IL
 38.77°N 90.08°W (Elev. 427 ft)
2:06 am CST Jan 26, 2026
2am CST Jan 26, 2026-6pm CST Feb 1, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database