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

29°F

-2°C

Humidity 87%
Wind Speed W 7 mph
Barometer 29.75 in
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 6 Feb 5:55 am CST
Extended Forecast for

2 Miles NNE Bethalto IL

  • Today

    Today: Increasing clouds, with a high near 44. Breezy, with a southwest wind 13 to 22 mph becoming northwest in the morning. Winds could gust as high as 31 mph.

    High: 44 °F

    Increasing
    Clouds and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 21. North wind 6 to 13 mph, with gusts as high as 21 mph.

    Low: 21 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 34. Northeast wind around 6 mph becoming southeast in the afternoon.

    High: 34 °F

    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 24. South wind 6 to 10 mph.

    Low: 24 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly sunny, with a high near 50. South wind 7 to 10 mph.

    High: 50 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of rain, mainly after noon. Mostly cloudy, with a high near 62.

    High: 62 °F

    Chance Rain

Detailed Forecast

Today
Increasing clouds, with a high near 44. Breezy, with a southwest wind 13 to 22 mph becoming northwest in the morning. Winds could gust as high as 31 mph.
Tonight
Mostly clear, with a low around 21. North wind 6 to 13 mph, with gusts as high as 21 mph.
Saturday
Sunny, with a high near 34. Northeast wind around 6 mph becoming southeast in the afternoon.
Saturday Night
Increasing clouds, with a low around 24. South wind 6 to 10 mph.
Sunday
Mostly sunny, with a high near 50. South wind 7 to 10 mph.
Sunday Night
Mostly clear, with a low around 30.
Monday
Sunny, with a high near 58.
Monday Night
Partly cloudy, with a low around 39.
Tuesday
A 40 percent chance of rain, mainly after noon. Mostly cloudy, with a high near 62.
Tuesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 37.
Wednesday
A 20 percent chance of rain. Mostly cloudy, with a high near 48.
Wednesday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 30. Chance of precipitation is 20%.
Thursday
A slight chance of rain and snow. Mostly cloudy, with a high near 44. Chance of precipitation is 20%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNE Bethalto IL
 38.92°N 90.02°W (Elev. 512 ft)
Last Update:
5:06 am CST Feb 6, 2026
Forecast Valid:
6am CST Feb 6, 2026-6pm CST Feb 12, 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