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

57°F

14°C

Humidity 77%
Wind Speed Calm
Barometer 30.03 in
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 28 Sep 9:50 pm CDT
Extended Forecast for

Butler IL

  • Tonight

    Tonight: Clear, with a low around 49. Calm wind.

    Low: 49 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 83. Calm wind becoming south around 5 mph in the afternoon.

    High: 83 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 61. Calm wind becoming south around 5 mph after midnight.

    Low: 61 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 87. South wind 5 to 9 mph.

    High: 87 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 68. South wind 6 to 8 mph.

    Low: 68 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 84. Chance of precipitation is 60%.

    High: 84 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 61. Chance of precipitation is 70%.

    Low: 61 °F

    Showers
    Likely

  • Friday

    Friday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 71. Chance of precipitation is 60%.

    High: 71 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 55.

    Low: 55 °F

    Chance
    Showers

Detailed Forecast

Tonight
Clear, with a low around 49. Calm wind.
Tuesday
Sunny, with a high near 83. Calm wind becoming south around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 61. Calm wind becoming south around 5 mph after midnight.
Wednesday
Partly sunny, with a high near 87. South wind 5 to 9 mph.
Wednesday Night
Mostly cloudy, with a low around 68. South wind 6 to 8 mph.
Thursday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 84. Chance of precipitation is 60%.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 61. Chance of precipitation is 70%.
Friday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 71. Chance of precipitation is 60%.
Friday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 55.
Saturday
A 40 percent chance of showers. Mostly cloudy, with a high near 70.
Saturday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 54.
Sunday
A 20 percent chance of showers. Partly sunny, with a high near 69.
Sunday Night
Partly cloudy, with a low around 51.
Monday
Mostly sunny, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Butler IL
 39.2°N 89.52°W (Elev. 627 ft)
Last Update:
9:56 pm CDT Sep 28, 2026
Forecast Valid:
10pm CDT Sep 28, 2026-6pm CDT Oct 5, 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