National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Overcast

47°F

8°C

Humidity 91%
Wind Speed NE 5 mph
Barometer 30.11 in
Dewpoint 45°F (7°C)
Visibility 7.00 mi
Wind Chill45°F (7°C)
Last update 4 Mar 12:35 am CST
Extended Forecast for

2 Miles E Bethalto IL

  • Overnight

    Overnight: A chance of showers and thunderstorms before 3am, then showers likely and possibly a thunderstorm between 3am and 5am, then a chance of showers and thunderstorms after 5am. Cloudy, with a low around 47. Northeast wind 5 to 7 mph. Chance of precipitation is 60%.

    Low: 47 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Showers and thunderstorms. Patchy fog before 3pm. High near 60. Northeast wind 5 to 7 mph becoming southwest in the afternoon. Chance of precipitation is 90%.

    High: 60 °F

    Chance
    T-storms and
    Patchy Fog
    then Showers
    and Patchy
    Fog

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm. Patchy fog between midnight and 5am. Low around 53. East wind 5 to 7 mph becoming west after midnight. Chance of precipitation is 80%.

    Low: 53 °F

    Showers and
    Patchy Fog

  • Thursday

    Thursday: Showers likely, mainly before 9am. Mostly cloudy, with a high near 65. West wind 5 to 10 mph. Chance of precipitation is 60%.

    High: 65 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before midnight, then showers likely and possibly a thunderstorm between midnight and 3am, then showers likely after 3am. Mostly cloudy, with a low around 57. Light south wind increasing to 5 to 9 mph in the evening. Chance of precipitation is 60%.

    Low: 57 °F

    Chance
    Showers then
    Showers
    Likely

  • Friday

    Friday: A 40 percent chance of showers, mainly before noon. Partly sunny, with a high near 78. Breezy.

    High: 78 °F

    Chance
    Showers and
    Breezy

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before midnight, then showers and possibly a thunderstorm between midnight and 3am, then showers after 3am. Low around 53. Chance of precipitation is 90%.

    Low: 53 °F

    Chance
    T-storms then
    Showers

  • Saturday

    Saturday: A 40 percent chance of showers before noon. Partly sunny, with a high near 64.

    High: 64 °F

    Chance
    Showers then
    Mostly Sunny

  • Saturday Night

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

    Low: 39 °F

    Partly Cloudy

Detailed Forecast

Overnight
A chance of showers and thunderstorms before 3am, then showers likely and possibly a thunderstorm between 3am and 5am, then a chance of showers and thunderstorms after 5am. Cloudy, with a low around 47. Northeast wind 5 to 7 mph. Chance of precipitation is 60%.
Wednesday
Showers and thunderstorms. Patchy fog before 3pm. High near 60. Northeast wind 5 to 7 mph becoming southwest in the afternoon. Chance of precipitation is 90%.
Wednesday Night
Showers and possibly a thunderstorm. Patchy fog between midnight and 5am. Low around 53. East wind 5 to 7 mph becoming west after midnight. Chance of precipitation is 80%.
Thursday
Showers likely, mainly before 9am. Mostly cloudy, with a high near 65. West wind 5 to 10 mph. Chance of precipitation is 60%.
Thursday Night
A chance of showers and thunderstorms before midnight, then showers likely and possibly a thunderstorm between midnight and 3am, then showers likely after 3am. Mostly cloudy, with a low around 57. Light south wind increasing to 5 to 9 mph in the evening. Chance of precipitation is 60%.
Friday
A 40 percent chance of showers, mainly before noon. Partly sunny, with a high near 78. Breezy.
Friday Night
A chance of showers and thunderstorms before midnight, then showers and possibly a thunderstorm between midnight and 3am, then showers after 3am. Low around 53. Chance of precipitation is 90%.
Saturday
A 40 percent chance of showers before noon. Partly sunny, with a high near 64.
Saturday Night
Partly cloudy, with a low around 39.
Sunday
Sunny, with a high near 66.
Sunday Night
Mostly clear, with a low around 47.
Monday
Sunny, with a high near 76.
Monday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 60.
Tuesday
Showers and thunderstorms likely. Mostly cloudy, with a high near 76. Breezy. Chance of precipitation is 70%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles E Bethalto IL
 38.9°N 90.02°W (Elev. 502 ft)
Last Update:
12:51 am CST Mar 4, 2026
Forecast Valid:
12am CST Mar 4, 2026-6pm CDT Mar 10, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation