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

31°F

-1°C

Humidity 72%
Wind Speed NW 3 mph
Barometer 30.31 in
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Last update 7 Feb 3:15 am CST
Extended Forecast for

2 Miles NNE Bethalto IL

  • Overnight

    Overnight: Mostly clear, with a low around 26. North wind around 6 mph.

    Low: 26 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 35. Northeast wind around 6 mph becoming southeast in the afternoon.

    High: 35 °F

    Sunny

  • Saturday Night

    Saturday Night: 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 8 to 10 mph.

    High: 44 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 28. East wind 5 to 7 mph becoming calm after midnight.

    Low: 28 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 55.

    High: 55 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 36.

    Low: 36 °F

    Chance Rain

Detailed Forecast

Overnight
Mostly clear, with a low around 26. North wind around 6 mph.
Saturday
Sunny, with a high near 35. Northeast wind around 6 mph becoming southeast in the afternoon.
Saturday Night
Mostly cloudy, with a low around 25. Southeast wind 6 to 10 mph.
Sunday
Mostly sunny, with a high near 44. Southeast wind 8 to 10 mph.
Sunday Night
Mostly clear, with a low around 28. East wind 5 to 7 mph becoming calm after midnight.
Monday
Sunny, with a high near 55.
Monday Night
Mostly clear, with a low around 40.
Tuesday
Mostly sunny, with a high near 65.
Tuesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 36.
Wednesday
A 30 percent chance of rain, mainly before noon. Mostly cloudy, with a high near 49.
Wednesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 31.
Thursday
A 30 percent chance of rain. Mostly cloudy, with a high near 46.
Thursday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 31.
Friday
A 30 percent chance of rain. Mostly cloudy, with a high near 46.
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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:
2:27 am CST Feb 7, 2026
Forecast Valid:
3am CST Feb 7, 2026-6pm CST Feb 13, 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