Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Mostly Cloudy

52°F

11°C

Humidity 84%
Wind Speed Calm
Barometer 30.34 in
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 11 Apr 12:15 am CDT
Extended Forecast for

2 Miles NNE Bethalto IL

  • Overnight

    Overnight: Partly cloudy, with a low around 50. East wind around 6 mph.

    Low: 50 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers after noon.  Partly sunny, with a high near 70. East wind 7 to 10 mph.

    High: 70 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 59. Southeast wind around 10 mph.

    Low: 59 °F

    Partly Cloudy

  • Sunday

    Sunday: A slight chance of showers and thunderstorms between 1pm and 4pm, then a slight chance of showers after 4pm.  Partly sunny, with a high near 79. Breezy, with a south wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 31 mph.  Chance of precipitation is 20%.

    High: 79 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms and
    Breezy

  • Sunday Night

    Sunday Night: A chance of showers before 7pm, then a chance of showers and thunderstorms between 7pm and 1am, then showers likely and possibly a thunderstorm after 1am.  Mostly cloudy, with a low around 64. South wind 13 to 17 mph, with gusts as high as 25 mph.  Chance of precipitation is 70%.

    Low: 64 °F

    Chance
    T-storms then
    Showers
    Likely

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms, mainly between 10am and 1pm.  Mostly sunny, with a high near 84.

    High: 84 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms before 1am.  Partly cloudy, with a low around 66.

    Low: 66 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms, mainly after 1pm.  Partly sunny, with a high near 86.

    High: 86 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 66.

    Low: 66 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Partly cloudy, with a low around 50. East wind around 6 mph.
Saturday
A 20 percent chance of showers after noon. Partly sunny, with a high near 70. East wind 7 to 10 mph.
Saturday Night
Partly cloudy, with a low around 59. Southeast wind around 10 mph.
Sunday
A slight chance of showers and thunderstorms between 1pm and 4pm, then a slight chance of showers after 4pm. Partly sunny, with a high near 79. Breezy, with a south wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 20%.
Sunday Night
A chance of showers before 7pm, then a chance of showers and thunderstorms between 7pm and 1am, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 64. South wind 13 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
Monday
A 40 percent chance of showers and thunderstorms, mainly between 10am and 1pm. Mostly sunny, with a high near 84.
Monday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 66.
Tuesday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 86.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Wednesday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 82.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 61.
Thursday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 78.
Thursday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 59.
Friday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNE Bethalto IL
 38.92°N 90.02°W (Elev. 512 ft)
10:26 pm CDT Apr 10, 2026
12am CDT Apr 11, 2026-6pm CDT Apr 17, 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