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

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Fair

23°F

-5°C

Humidity 74%
Wind Speed NE 14 mph
Barometer 30.40 in
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill11°F (-12°C)
Last update 12 Dec 7:50 pm CST
Extended Forecast for

Bethalto IL

  • Tonight

    Tonight: Partly cloudy, with a low around 22. Northeast wind 7 to 11 mph, with gusts as high as 21 mph.

    Low: 22 °F

    Partly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 40. East wind 7 to 10 mph.

    High: 40 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A 30 percent chance of rain, mainly after 4am. Mostly cloudy, with a low around 34. Southeast wind 9 to 13 mph, with gusts as high as 22 mph.

    Low: 34 °F

    Partly Cloudy
    then Chance
    Rain

  • Saturday

    Saturday: Rain. High near 49. Southeast wind 14 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 100%.

    High: 49 °F

    Rain

  • Saturday Night

    Saturday Night: Rain likely, mainly before midnight. Mostly cloudy, with a low around 40. South wind 6 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.

    Low: 40 °F

    Rain Likely
    then Slight
    Chance Rain

  • Sunday

    Sunday: Mostly sunny, with a high near 53.

    High: 53 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A chance of rain, then rain likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 43. Chance of precipitation is 60%.

    Low: 43 °F

    Chance Rain
    then Rain
    Likely

  • Monday

    Monday: Rain and possibly a thunderstorm before noon, then rain likely. High near 58. Chance of precipitation is 80%.

    High: 58 °F

    Rain

  • Monday Night

    Monday Night: A 30 percent chance of rain before midnight. Mostly cloudy, with a low around 32.

    Low: 32 °F

    Chance Rain
    then Mostly
    Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 22. Northeast wind 7 to 11 mph, with gusts as high as 21 mph.
Friday
Mostly cloudy, with a high near 40. East wind 7 to 10 mph.
Friday Night
A 30 percent chance of rain, mainly after 4am. Mostly cloudy, with a low around 34. Southeast wind 9 to 13 mph, with gusts as high as 22 mph.
Saturday
Rain. High near 49. Southeast wind 14 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 100%.
Saturday Night
Rain likely, mainly before midnight. Mostly cloudy, with a low around 40. South wind 6 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.
Sunday
Mostly sunny, with a high near 53.
Sunday Night
A chance of rain, then rain likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 43. Chance of precipitation is 60%.
Monday
Rain and possibly a thunderstorm before noon, then rain likely. High near 58. Chance of precipitation is 80%.
Monday Night
A 30 percent chance of rain before midnight. Mostly cloudy, with a low around 32.
Tuesday
Sunny, with a high near 44.
Tuesday Night
Partly cloudy, with a low around 29.
Wednesday
A 20 percent chance of rain. Partly sunny, with a high near 44.
Wednesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 27.
Thursday
Partly sunny, with a high near 38.
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Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Bethalto IL
 38.88°N 90.02°W (Elev. 499 ft)
Last Update:
5:07 pm CST Dec 12, 2024
Forecast Valid:
8pm CST Dec 12, 2024-6pm CST Dec 19, 2024
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation