Hazardous Weather Conditions

Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Overcast

6°F

-14°C

Humidity 78%
Wind Speed W 3 mph
Barometer 30.39 in
Dewpoint 1°F (-17°C)
Visibility 10.00 mi
Last update 28 Jan 3:55 am CST
Extended Forecast for

2 Miles WSW Alton IL

  • Today

    Today: Mostly sunny, with a high near 29. Light west wind increasing to 5 to 10 mph in the morning.

    High: 29 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 8. West wind around 5 mph becoming calm  in the evening.

    Low: 8 °F

    Mostly Cloudy

  • Thursday

    Thursday: Cloudy, with a high near 23. Northeast wind 3 to 6 mph.

    High: 23 °F

    Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 5. Northeast wind around 5 mph becoming calm.

    Low: 5 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny and cold, with a high near 18. North wind 5 to 10 mph.

    High: 18 °F

    Cold

  • Friday Night

    Friday Night: Partly cloudy, with a low around 1.

    Low: 1 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny and cold, with a high near 18.

    High: 18 °F

    Cold

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 2.

    Low: 2 °F

    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of snow after noon.  Mostly sunny, with a high near 26.

    High: 26 °F

    Mostly Sunny
    then Slight
    Chance Snow

Detailed Forecast

Today
Mostly sunny, with a high near 29. Light west wind increasing to 5 to 10 mph in the morning.
Tonight
Mostly cloudy, with a low around 8. West wind around 5 mph becoming calm in the evening.
Thursday
Cloudy, with a high near 23. Northeast wind 3 to 6 mph.
Thursday Night
Mostly cloudy, with a low around 5. Northeast wind around 5 mph becoming calm.
Friday
Partly sunny and cold, with a high near 18. North wind 5 to 10 mph.
Friday Night
Partly cloudy, with a low around 1.
Saturday
Mostly sunny and cold, with a high near 18.
Saturday Night
Mostly clear, with a low around 2.
Sunday
A 20 percent chance of snow after noon. Mostly sunny, with a high near 26.
Sunday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 15.
Monday
Partly sunny, with a high near 34.
Monday Night
Mostly cloudy, with a low around 19.
Tuesday
A 20 percent chance of rain. Mostly cloudy, with a high near 35.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Alton IL
 38.88°N 90.19°W (Elev. 407 ft)
3:16 am CST Jan 28, 2026
4am CST Jan 28, 2026-6pm CST Feb 3, 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