Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Fog/Mist

37°F

3°C

Humidity 91%
Wind Speed S 5 mph
Barometer 29.95 in
Dewpoint 35°F (2°C)
Visibility 5.00 mi
Wind Chill33°F (1°C)
Last update 7 Dec 6:15 am CST
Extended Forecast for

2 Miles E Williamson IL

  • Today

    Today: A chance of flurries, mixing with sprinkles after 7am, then gradually ending.  Cloudy, with a high near 37. Light and variable wind becoming north 9 to 14 mph in the morning. Winds could gust as high as 22 mph.

    High: 37 °F

    Chance
    Sprinkles/Flurries
    then Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 20. North wind 7 to 11 mph, with gusts as high as 22 mph.

    Low: 20 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 32. North wind around 5 mph becoming calm  in the morning.

    High: 32 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Partly cloudy, with a low around 22. Light south wind increasing to 5 to 10 mph in the evening.

    Low: 22 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 49. Southwest wind 10 to 14 mph.

    High: 49 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 46.

    High: 46 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow after midnight.  Mostly cloudy, with a low around 26.

    Low: 26 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Thursday

    Thursday: A 40 percent chance of snow.  Mostly cloudy, with a high near 35.

    High: 35 °F

    Chance Snow

Detailed Forecast

Today
A chance of flurries, mixing with sprinkles after 7am, then gradually ending. Cloudy, with a high near 37. Light and variable wind becoming north 9 to 14 mph in the morning. Winds could gust as high as 22 mph.
Tonight
Mostly cloudy, with a low around 20. North wind 7 to 11 mph, with gusts as high as 22 mph.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 32. North wind around 5 mph becoming calm in the morning.
Monday Night
Partly cloudy, with a low around 22. Light south wind increasing to 5 to 10 mph in the evening.
Tuesday
Mostly sunny, with a high near 49. Southwest wind 10 to 14 mph.
Tuesday Night
Mostly cloudy, with a low around 39.
Wednesday
Partly sunny, with a high near 46.
Wednesday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 26.
Thursday
A 40 percent chance of snow. Mostly cloudy, with a high near 35.
Thursday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 15.
Friday
Mostly sunny, with a high near 23.
Friday Night
Mostly cloudy, with a low around 4.
Saturday
Partly sunny and cold, with a high near 19.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles E Williamson IL
 38.98°N 89.73°W (Elev. 600 ft)
5:01 am CST Dec 7, 2025
6am CST Dec 7, 2025-6pm CST Dec 13, 2025
 
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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