Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Mostly Cloudy and Breezy

70°F

21°C

Humidity 83%
Wind Speed S 22 G 32 mph
Barometer 29.75 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 2 Apr 3:50 pm CDT
Extended Forecast for

2 Miles NNE Bethalto IL

Wind Advisory April 2, 04:46pm until April 2, 07:00pm
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory April 2, 04:46pm until April 2, 07:00pm

    NOW until 7:00pm Thu

    Wind Advisory

  • This Afternoon

    High: 73 °F

    Chance
    T-storms and
    Breezy

  • Tonight

    Tonight: Showers and thunderstorms likely before 1am, then a chance of showers.  Mostly cloudy, with a low around 62. Breezy, with a south wind 16 to 21 mph becoming northwest 5 to 10 mph after midnight. Winds could gust as high as 31 mph.  Chance of precipitation is 60%.

    Low: 62 °F

    Showers
    Likely and
    Breezy then
    Chance
    Showers

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms, mainly after 5pm.  Partly sunny, with a high near 80. East wind 5 to 10 mph becoming south 11 to 16 mph in the afternoon. Winds could gust as high as 23 mph.

    High: 80 °F

    Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7pm.  Low around 55. South wind 10 to 13 mph, with gusts as high as 21 mph.  Chance of precipitation is 100%.

    Low: 55 °F

    Showers
    Likely then
    Showers

  • Saturday

    Saturday: Showers likely, mainly before 1pm.  Mostly cloudy, with a steady temperature around 58. West wind 10 to 17 mph, with gusts as high as 24 mph.  Chance of precipitation is 70%.

    High: 58 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 38.

    Low: 38 °F

    Clear

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 73. Breezy, with a south wind around 24 mph, with gusts as high as 36 mph.
Tonight
Showers and thunderstorms likely before 1am, then a chance of showers. Mostly cloudy, with a low around 62. Breezy, with a south wind 16 to 21 mph becoming northwest 5 to 10 mph after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 60%.
Friday
A 50 percent chance of showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 80. East wind 5 to 10 mph becoming south 11 to 16 mph in the afternoon. Winds could gust as high as 23 mph.
Friday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7pm. Low around 55. South wind 10 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 100%.
Saturday
Showers likely, mainly before 1pm. Mostly cloudy, with a steady temperature around 58. West wind 10 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 70%.
Saturday Night
Partly cloudy, with a low around 38.
Sunday
Sunny, with a high near 57.
Sunday Night
Clear, with a low around 38.
Monday
Sunny, with a high near 61.
Monday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 34.
Tuesday
Mostly sunny, with a high near 54.
Tuesday Night
Partly cloudy, with a low around 37.
Wednesday
Mostly sunny, with a high near 68.
Wednesday Night
Partly cloudy, with a low around 49.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNE Bethalto IL
 38.92°N 90.02°W (Elev. 512 ft)
3:16 pm CDT Apr 2, 2026
4pm CDT Apr 2, 2026-6pm CDT Apr 9, 2026
 
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Additional Resources

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