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, with thunderstorms also possible after 4pm. Cloudy, with a high near 52. Northeast wind around 6 mph. Chance of precipitation is 20%.

    High: 52 °F

    Isolated
    T-storms

  • Tonight

    Tonight: Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after 3am. Patchy fog after 9pm. Otherwise, cloudy, with a low around 51. Northeast wind around 6 mph becoming calm after midnight. Chance of precipitation is 70%.

    Low: 51 °F

    Showers
    Likely and
    Patchy Fog

  • Wednesday

    Wednesday: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 2pm. Patchy fog before 1pm. High near 63. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 80%.

    High: 63 °F

    Showers and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: Showers, with thunderstorms also possible after 9pm. Low around 55. South wind around 5 mph becoming southwest after midnight. Chance of precipitation is 100%.

    Low: 55 °F

    Showers

  • Thursday

    Thursday: Showers likely, mainly before noon. Mostly cloudy, with a high near 70. West wind 5 to 7 mph. Chance of precipitation is 60%.

    High: 70 °F

    Showers
    Likely then
    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers before 9pm, then a chance of showers and thunderstorms between 9pm and midnight, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.

    Low: 59 °F

    Showers
    Likely

  • Friday

    Friday: A chance of showers and thunderstorms. Partly sunny, with a high near 80. Chance of precipitation is 40%.

    High: 80 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after midnight. Low around 59. Chance of precipitation is 90%.

    Low: 59 °F

    Chance
    T-storms then
    Showers

  • Saturday

    Saturday: A 50 percent chance of showers, mainly before noon. Mostly cloudy, with a high near 69.

    High: 69 °F

    Chance
    Showers then
    Slight Chance
    Showers

Detailed Forecast

This Afternoon
Isolated showers, with thunderstorms also possible after 4pm. Cloudy, with a high near 52. Northeast wind around 6 mph. Chance of precipitation is 20%.
Tonight
Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after 3am. Patchy fog after 9pm. Otherwise, cloudy, with a low around 51. Northeast wind around 6 mph becoming calm after midnight. Chance of precipitation is 70%.
Wednesday
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 2pm. Patchy fog before 1pm. High near 63. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 80%.
Wednesday Night
Showers, with thunderstorms also possible after 9pm. Low around 55. South wind around 5 mph becoming southwest after midnight. Chance of precipitation is 100%.
Thursday
Showers likely, mainly before noon. Mostly cloudy, with a high near 70. West wind 5 to 7 mph. Chance of precipitation is 60%.
Thursday Night
A chance of showers before 9pm, then a chance of showers and thunderstorms between 9pm and midnight, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 80. Chance of precipitation is 40%.
Friday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after midnight. Low around 59. Chance of precipitation is 90%.
Saturday
A 50 percent chance of showers, mainly before noon. Mostly cloudy, with a high near 69.
Saturday Night
Partly cloudy, with a low around 44.
Sunday
Sunny, with a high near 70.
Sunday Night
Partly cloudy, with a low around 49.
Monday
A 20 percent chance of showers. Sunny, with a high near 77.
Monday Night
A 30 percent chance of showers and thunderstorms. Mostly clear, with a low around 59.
Tuesday
Showers and thunderstorms likely. Partly sunny, with a high near 78. 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:
2:26 pm CST Mar 3, 2026
Forecast Valid:
3pm CST Mar 3, 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