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.

A Few Clouds

74°F

23°C

Humidity 67%
Wind Speed SW 5 mph
Barometer 29.91 in (1012.3 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 15 Apr 8:53 am CDT
Extended Forecast for

Brooklyn IL

  • Today

    Today: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 5pm. Some of the storms could produce heavy rainfall. High near 83. Southwest wind 9 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.

    High: 83 °F

    Heavy Rain

  • Tonight

    Tonight: Showers and thunderstorms before 3am, then showers likely and possibly a thunderstorm between 3am and 4am, then a chance of showers after 4am. Low around 64. South wind 8 to 10 mph. Chance of precipitation is 90%.

    Low: 64 °F

    Showers

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 84. Southwest wind 7 to 10 mph. Chance of precipitation is 40%.

    High: 84 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 62. South wind 3 to 5 mph.

    Low: 62 °F

    Mostly Clear

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. Light south wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 22 mph.

    High: 88 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 56. Chance of precipitation is 70%.

    Low: 56 °F

    Chance
    T-storms then
    Showers
    Likely

  • Saturday

    Saturday: A chance of showers and thunderstorms. Partly sunny, with a high near 69. Chance of precipitation is 40%.

    High: 69 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A 20 percent chance of showers before 1am. Partly cloudy, with a low around 42.

    Low: 42 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

Detailed Forecast

Today
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 5pm. Some of the storms could produce heavy rainfall. High near 83. Southwest wind 9 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.
Tonight
Showers and thunderstorms before 3am, then showers likely and possibly a thunderstorm between 3am and 4am, then a chance of showers after 4am. Low around 64. South wind 8 to 10 mph. Chance of precipitation is 90%.
Thursday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 84. Southwest wind 7 to 10 mph. Chance of precipitation is 40%.
Thursday Night
Mostly clear, with a low around 62. South wind 3 to 5 mph.
Friday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. Light south wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 22 mph.
Friday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 56. Chance of precipitation is 70%.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 69. Chance of precipitation is 40%.
Saturday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 42.
Sunday
Sunny, with a high near 65.
Sunday Night
Clear, with a low around 42.
Monday
Sunny, with a high near 72.
Monday Night
Partly cloudy, with a low around 51.
Tuesday
Mostly sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Brooklyn IL
 38.64°N 90.17°W (Elev. 400 ft)
Last Update:
8:36 am CDT Apr 15, 2026
Forecast Valid:
9am CDT Apr 15, 2026-6pm CDT Apr 21, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation