Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Overcast

71°F

22°C

Humidity 69%
Wind Speed S 15 G 21 mph
Barometer 29.97 in
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 13 Apr 1:15 am CDT
Extended Forecast for

Bethalto IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 65. South wind around 11 mph, with gusts as high as 21 mph.

    Low: 65 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 84. South wind 10 to 17 mph, with gusts as high as 25 mph.

    High: 84 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 68. South wind 11 to 17 mph, with gusts as high as 29 mph.

    Low: 68 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 87. Southwest wind 10 to 17 mph, with gusts as high as 25 mph.

    High: 87 °F

    Mostly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 68. Southwest wind 10 to 14 mph, with gusts as high as 23 mph.

    Low: 68 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm.  High near 81. Chance of precipitation is 80%.

    High: 81 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm.  Low around 62. Chance of precipitation is 80%.

    Low: 62 °F

    Showers

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 7am.  Mostly sunny, with a high near 82. Chance of precipitation is 40%.

    High: 82 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 65. South wind around 11 mph, with gusts as high as 21 mph.
Monday
Mostly sunny, with a high near 84. South wind 10 to 17 mph, with gusts as high as 25 mph.
Monday Night
Partly cloudy, with a low around 68. South wind 11 to 17 mph, with gusts as high as 29 mph.
Tuesday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87. Southwest wind 10 to 17 mph, with gusts as high as 25 mph.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Southwest wind 10 to 14 mph, with gusts as high as 23 mph.
Wednesday
Showers and possibly a thunderstorm. High near 81. Chance of precipitation is 80%.
Wednesday Night
Showers and possibly a thunderstorm. Low around 62. Chance of precipitation is 80%.
Thursday
A chance of showers, with thunderstorms also possible after 7am. Mostly sunny, with a high near 82. Chance of precipitation is 40%.
Thursday Night
Mostly clear, with a low around 60.
Friday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86.
Friday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 60. Chance of precipitation is 70%.
Saturday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 72.
Saturday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 42.
Sunday
Sunny, with a high near 63.
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ABOUT THIS FORECAST

 
Point Forecast:
Bethalto IL
 38.88°N 90.02°W (Elev. 499 ft)
1:26 am CDT Apr 13, 2026
1am CDT Apr 13, 2026-6pm CDT Apr 19, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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