Hazardous Weather Conditions

Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Fair

81°F

27°C

Humidity 30%
Wind Speed NW 13 mph
Barometer 29.92 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 20 Mar 12:45 pm CDT
Extended Forecast for

Bethalto IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 85. West wind 11 to 14 mph, with gusts as high as 22 mph.

    High: 85 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 50. Northwest wind 5 to 7 mph becoming light and variable.

    Low: 50 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 81. East wind 5 to 8 mph becoming southwest in the afternoon.

    High: 81 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 61. South wind 7 to 9 mph.

    Low: 61 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 85. South wind 9 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 22 mph.

    High: 85 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 39. Breezy.

    Low: 39 °F

    Mostly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Monday

    Monday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Monday Night

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

    Low: 39 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 60.

    High: 60 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 85. West wind 11 to 14 mph, with gusts as high as 22 mph.
Tonight
Partly cloudy, with a low around 50. Northwest wind 5 to 7 mph becoming light and variable.
Saturday
Sunny, with a high near 81. East wind 5 to 8 mph becoming southwest in the afternoon.
Saturday Night
Mostly clear, with a low around 61. South wind 7 to 9 mph.
Sunday
Mostly sunny, with a high near 85. South wind 9 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 22 mph.
Sunday Night
Partly cloudy, with a low around 39. Breezy.
Monday
Sunny, with a high near 57.
Monday Night
Partly cloudy, with a low around 39.
Tuesday
Partly sunny, with a high near 60.
Tuesday Night
A 20 percent chance of rain and thunderstorms after 1am. Partly cloudy, with a low around 42.
Wednesday
Mostly cloudy, with a high near 66.
Wednesday Night
Mostly cloudy, with a low around 50.
Thursday
A 20 percent chance of rain. Sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
Bethalto IL
 38.88°N 90.02°W (Elev. 499 ft)
1:26 pm CDT Mar 20, 2026
1pm CDT Mar 20, 2026-6pm CDT Mar 26, 2026
 
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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