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

Hazardous Weather Conditions

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Brooklyn IL

  • This Afternoon

    This Afternoon: Isolated showers. Mostly cloudy, with a high near 60. Light southeast wind. Chance of precipitation is 20%.

    High: 60 °F

    Isolated
    Showers

  • Tonight

    Tonight: Showers and thunderstorms before 3am, then showers and possibly a thunderstorm, mainly after 3am. Patchy fog after 8pm. Low around 55. Light and variable wind. Chance of precipitation is 80%.

    Low: 55 °F

    T-storms and
    Patchy Fog

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm before 9am, then isolated showers between 9am and 10am. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 68. West wind 5 to 7 mph becoming calm in the afternoon. Chance of precipitation is 60%.

    High: 68 °F

    Showers
    Likely and
    Patchy Fog
    then Mostly
    Cloudy

  • Thursday Night

    Thursday Night: Scattered showers before 9pm, then scattered showers and thunderstorms between 9pm and midnight, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 58. Calm wind becoming south 5 to 7 mph after midnight. Chance of precipitation is 60%.

    Low: 58 °F

    Showers
    Likely

  • Friday

    Friday: Isolated showers. Partly sunny, with a high near 80. South wind 8 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.

    High: 80 °F

    Isolated
    Showers

  • Friday Night

    Friday Night: Scattered showers and thunderstorms, then showers and possibly a thunderstorm after midnight. Low around 58. Chance of precipitation is 90%.

    Low: 58 °F

    Scattered
    T-storms then
    Showers

  • Saturday

    Saturday: Scattered showers before noon. Mostly cloudy, with a high near 68. Chance of precipitation is 50%.

    High: 68 °F

    Scattered
    Showers then
    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

Detailed Forecast

This Afternoon
Isolated showers. Mostly cloudy, with a high near 60. Light southeast wind. Chance of precipitation is 20%.
Tonight
Showers and thunderstorms before 3am, then showers and possibly a thunderstorm, mainly after 3am. Patchy fog after 8pm. Low around 55. Light and variable wind. Chance of precipitation is 80%.
Thursday
Showers likely and possibly a thunderstorm before 9am, then isolated showers between 9am and 10am. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 68. West wind 5 to 7 mph becoming calm in the afternoon. Chance of precipitation is 60%.
Thursday Night
Scattered showers before 9pm, then scattered showers and thunderstorms between 9pm and midnight, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 58. Calm wind becoming south 5 to 7 mph after midnight. Chance of precipitation is 60%.
Friday
Isolated showers. Partly sunny, with a high near 80. South wind 8 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.
Friday Night
Scattered showers and thunderstorms, then showers and possibly a thunderstorm after midnight. Low around 58. Chance of precipitation is 90%.
Saturday
Scattered showers before noon. Mostly cloudy, with a high near 68. Chance of precipitation is 50%.
Saturday Night
Mostly cloudy, with a low around 42.
Sunday
Sunny, with a high near 66.
Sunday Night
Mostly clear, with a low around 49.
Monday
Sunny, with a high near 78.
Monday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 62.
Tuesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 78. Chance of precipitation is 70%.
Tuesday Night
Showers and possibly a thunderstorm. Low around 49. Chance of precipitation is 90%.
Wednesday
Showers likely. Mostly cloudy, with a high near 59. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
Brooklyn IL
 38.64°N 90.17°W (Elev. 400 ft)
Last Update:
3:16 pm CST Mar 4, 2026
Forecast Valid:
4pm CST Mar 4, 2026-6pm CDT Mar 11, 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