Hazardous Weather Conditions

Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Fair

67°F

19°C

Humidity 64%
Wind Speed S 12 mph
Barometer 29.83 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 26 Mar 2:15 am CDT
Extended Forecast for

Bethalto IL

  • Overnight

    Overnight: Mostly clear, with a low around 62. South wind around 10 mph.

    Low: 62 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 91. Breezy, with a southwest wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 31 mph.

    High: 91 °F

    Sunny then
    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 2am, then showers likely and possibly a thunderstorm between 2am and 4am, then showers likely after 4am.  Increasing clouds, with a low around 41. Breezy, with a southwest wind 9 to 14 mph becoming north 16 to 21 mph after midnight. Winds could gust as high as 36 mph.  Chance of precipitation is 70%.

    Low: 41 °F

    Chance
    T-storms then
    Showers
    Likely and
    Breezy

  • Friday

    Friday: A 40 percent chance of showers, mainly before 10am.  Cloudy, then gradually becoming mostly sunny, with a high near 53. North wind 16 to 18 mph, with gusts as high as 32 mph.

    High: 53 °F

    Chance
    Showers then
    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 30. North wind 6 to 14 mph, with gusts as high as 21 mph.

    Low: 30 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 55.

    High: 55 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 65.

    High: 65 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 55.

    Low: 55 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 62. South wind around 10 mph.
Thursday
Sunny, with a high near 91. Breezy, with a southwest wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 31 mph.
Thursday Night
A chance of showers and thunderstorms before 2am, then showers likely and possibly a thunderstorm between 2am and 4am, then showers likely after 4am. Increasing clouds, with a low around 41. Breezy, with a southwest wind 9 to 14 mph becoming north 16 to 21 mph after midnight. Winds could gust as high as 36 mph. Chance of precipitation is 70%.
Friday
A 40 percent chance of showers, mainly before 10am. Cloudy, then gradually becoming mostly sunny, with a high near 53. North wind 16 to 18 mph, with gusts as high as 32 mph.
Friday Night
Mostly clear, with a low around 30. North wind 6 to 14 mph, with gusts as high as 21 mph.
Saturday
Sunny, with a high near 55.
Saturday Night
Mostly cloudy, with a low around 41.
Sunday
Partly sunny, with a high near 65.
Sunday Night
Mostly cloudy, with a low around 55.
Monday
A 20 percent chance of rain and thunderstorms before 1pm. Mostly sunny, with a high near 81.
Monday Night
A 30 percent chance of rain and thunderstorms. Partly cloudy, with a low around 61.
Tuesday
A 40 percent chance of rain and thunderstorms. Partly sunny, with a high near 82.
Tuesday Night
A 40 percent chance of rain and thunderstorms. Mostly cloudy, with a low around 62.
Wednesday
A 50 percent chance of rain and thunderstorms. Partly sunny, with a high near 79. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Bethalto IL
 38.88°N 90.02°W (Elev. 499 ft)
1:26 am CDT Mar 26, 2026
2am CDT Mar 26, 2026-6pm CDT Apr 1, 2026
 
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Additional Resources

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