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

32°F

0°C

Humidity 51%
Wind Speed SE 9 mph
Barometer 30.36 in
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 7 Feb 4:50 pm CST
Extended Forecast for

2 Miles NNE Bethalto IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 25. Southeast wind 6 to 10 mph.

    Low: 25 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 44. Southeast wind 10 to 14 mph.

    High: 44 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 27. Southeast wind 5 to 9 mph becoming light east after midnight.

    Low: 27 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 55. Light and variable wind becoming south around 6 mph in the afternoon.

    High: 55 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 38. South wind around 7 mph becoming southwest after midnight.

    Low: 38 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 35.

    Low: 35 °F

    Chance Rain

  • Wednesday

    Wednesday: A 30 percent chance of rain before noon. Mostly cloudy, with a high near 49.

    High: 49 °F

    Chance Rain
    then Mostly
    Cloudy

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain. Mostly cloudy, with a low around 33.

    Low: 33 °F

    Slight Chance
    Rain

Detailed Forecast

Tonight
Mostly cloudy, with a low around 25. Southeast wind 6 to 10 mph.
Sunday
Mostly sunny, with a high near 44. Southeast wind 10 to 14 mph.
Sunday Night
Partly cloudy, with a low around 27. Southeast wind 5 to 9 mph becoming light east after midnight.
Monday
Sunny, with a high near 55. Light and variable wind becoming south around 6 mph in the afternoon.
Monday Night
Mostly clear, with a low around 38. South wind around 7 mph becoming southwest after midnight.
Tuesday
Mostly sunny, with a high near 61.
Tuesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 35.
Wednesday
A 30 percent chance of rain before noon. Mostly cloudy, with a high near 49.
Wednesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 33.
Thursday
A 40 percent chance of rain. Mostly cloudy, with a high near 43.
Thursday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 28.
Friday
A 20 percent chance of rain. Partly sunny, with a high near 45.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 27. Chance of precipitation is 30%.
Saturday
A chance of rain and snow. Partly sunny, with a high near 42. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNE Bethalto IL
 38.92°N 90.02°W (Elev. 512 ft)
Last Update:
4:52 pm CST Feb 7, 2026
Forecast Valid:
6pm CST Feb 7, 2026-6pm CST Feb 14, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation