National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Fair

45°F

7°C

Humidity 39%
Wind Speed SE 7 mph
Barometer 30.65 in
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 28 Mar 11:45 am CDT
Extended Forecast for

2 Miles NNE Bethalto IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 55. South wind around 7 mph.

    High: 55 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 39. South wind 7 to 9 mph.

    Low: 39 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 67. South wind 8 to 15 mph, with gusts as high as 22 mph.

    High: 67 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 55. South wind 10 to 13 mph, with gusts as high as 21 mph.

    Low: 55 °F

    Decreasing
    Clouds

  • Monday

    Monday: Mostly sunny, with a high near 81. South wind 10 to 18 mph, with gusts as high as 26 mph.

    High: 81 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 65.

    Low: 65 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of rain, with thunderstorms also possible after 1pm. Partly sunny, with a high near 83. Breezy. Chance of precipitation is 50%.

    High: 83 °F

    Breezy.
    Chance Rain
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Rain and possibly a thunderstorm. Low around 46. Chance of precipitation is 90%.

    Low: 46 °F

    Rain

  • Wednesday

    Wednesday: A 50 percent chance of rain. Cloudy, with a high near 56.

    High: 56 °F

    Chance Rain

Detailed Forecast

This Afternoon
Sunny, with a high near 55. South wind around 7 mph.
Tonight
Partly cloudy, with a low around 39. South wind 7 to 9 mph.
Sunday
Partly sunny, with a high near 67. South wind 8 to 15 mph, with gusts as high as 22 mph.
Sunday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 55. South wind 10 to 13 mph, with gusts as high as 21 mph.
Monday
Mostly sunny, with a high near 81. South wind 10 to 18 mph, with gusts as high as 26 mph.
Monday Night
Partly cloudy, with a low around 65.
Tuesday
A chance of rain, with thunderstorms also possible after 1pm. Partly sunny, with a high near 83. Breezy. Chance of precipitation is 50%.
Tuesday Night
Rain and possibly a thunderstorm. Low around 46. Chance of precipitation is 90%.
Wednesday
A 50 percent chance of rain. Cloudy, with a high near 56.
Wednesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 39.
Thursday
A 50 percent chance of rain. Mostly cloudy, with a high near 56.
Thursday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 42.
Friday
A 40 percent chance of rain. Partly sunny, with a high near 68.
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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:
11:26 am CDT Mar 28, 2026
Forecast Valid:
12pm CDT Mar 28, 2026-6pm CDT Apr 3, 2026
 
Forecast Discussion
 
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Additional Resources

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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