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.

Fair

61°F

16°C

Humidity 23%
Wind Speed N 15 mph
Barometer 30.27 in
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Last update 6 Apr 3:50 pm CDT
Extended Forecast for

4 Miles ESE Bethalto IL

  • Tonight

    Tonight: A 20 percent chance of showers after 3am. Increasing clouds, with a low around 37. Northeast wind 7 to 10 mph.

    Low: 37 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Tuesday

    Tuesday: A 30 percent chance of showers, mainly before 10am. Partly sunny, with a high near 53. East wind 9 to 11 mph.

    High: 53 °F

    Chance
    Showers then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 39. East wind around 9 mph.

    Low: 39 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 71. South wind 9 to 16 mph, with gusts as high as 24 mph.

    High: 71 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 51. South wind 9 to 13 mph, with gusts as high as 20 mph.

    Low: 51 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 56.

    Low: 56 °F

    Chance
    Showers

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 74. Chance of precipitation is 40%.

    High: 74 °F

    Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 55.

    Low: 55 °F

    Chance
    T-storms

Detailed Forecast

Tonight
A 20 percent chance of showers after 3am. Increasing clouds, with a low around 37. Northeast wind 7 to 10 mph.
Tuesday
A 30 percent chance of showers, mainly before 10am. Partly sunny, with a high near 53. East wind 9 to 11 mph.
Tuesday Night
Partly cloudy, with a low around 39. East wind around 9 mph.
Wednesday
Mostly sunny, with a high near 71. South wind 9 to 16 mph, with gusts as high as 24 mph.
Wednesday Night
Partly cloudy, with a low around 51. South wind 9 to 13 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 75.
Thursday Night
A 30 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 56.
Friday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 74. Chance of precipitation is 40%.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 55.
Saturday
A 40 percent chance of showers. Partly sunny, with a high near 79.
Saturday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 60.
Sunday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 81.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Monday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 81. Breezy. Chance of precipitation is 60%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Bethalto IL
 38.88°N 89.99°W (Elev. 489 ft)
Last Update:
1:26 pm CDT Apr 6, 2026
Forecast Valid:
4pm CDT Apr 6, 2026-6pm CDT Apr 13, 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