Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Fair

34°F

1°C

Humidity 60%
Wind Speed S 9 mph
Barometer 30.31 in
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 12 Jan 8:45 am CST
Extended Forecast for

Bethalto IL

  • Today

    Today: Sunny, with a high near 52. Southwest wind 7 to 10 mph.

    High: 52 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 34. Southwest wind 6 to 8 mph.

    Low: 34 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 59. West wind 8 to 16 mph, with gusts as high as 26 mph.

    High: 59 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers before midnight.  Mostly cloudy, with a low around 38. West wind 8 to 11 mph.

    Low: 38 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers after noon.  Mostly cloudy, with a temperature falling to around 32 by 5pm. Breezy, with a northwest wind 13 to 21 mph, with gusts as high as 31 mph.

    High: 42 °F

    Breezy.
    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 17.

    Low: 17 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 30.

    High: 30 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of snow showers after noon.  Partly sunny, with a high near 42.

    High: 42 °F

    Partly Sunny
    then Slight
    Chance Snow
    Showers

Detailed Forecast

Today
Sunny, with a high near 52. Southwest wind 7 to 10 mph.
Tonight
Mostly clear, with a low around 34. Southwest wind 6 to 8 mph.
Tuesday
Increasing clouds, with a high near 59. West wind 8 to 16 mph, with gusts as high as 26 mph.
Tuesday Night
A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 38. West wind 8 to 11 mph.
Wednesday
A 20 percent chance of showers after noon. Mostly cloudy, with a temperature falling to around 32 by 5pm. Breezy, with a northwest wind 13 to 21 mph, with gusts as high as 31 mph.
Wednesday Night
Partly cloudy, with a low around 17.
Thursday
Mostly sunny, with a high near 30.
Thursday Night
Mostly cloudy, with a low around 25.
Friday
A 20 percent chance of snow showers after noon. Partly sunny, with a high near 42.
Friday Night
Mostly cloudy, with a low around 20.
Saturday
Mostly cloudy, with a high near 28.
Saturday Night
Partly cloudy, with a low around 10.
Sunday
Mostly sunny, with a high near 27.
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ABOUT THIS FORECAST

 
Point Forecast:
Bethalto IL
 38.88°N 90.02°W (Elev. 499 ft)
8:26 am CST Jan 12, 2026
9am CST Jan 12, 2026-6pm CST Jan 18, 2026
 
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Additional Resources

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