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

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

A Few Clouds

54°F

12°C

Humidity 37%
Wind Speed Vrbl 6 mph
Barometer 29.76 in (1007.8 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill52°F (11°C)
Last update 25 Feb 12:53 pm CST
Extended Forecast for

Brooklyn IL

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 53. Light and variable wind.

    High: 53 °F

    Mostly Cloudy

  • Tonight

    Tonight: A 50 percent chance of rain, mainly before 3am. Mostly cloudy, with a low around 36. Northeast wind 3 to 5 mph.

    Low: 36 °F

    Chance Rain

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 55. East wind around 5 mph becoming calm in the afternoon.

    High: 55 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 35. Light south wind.

    Low: 35 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 71. Light southwest wind increasing to 5 to 10 mph in the morning.

    High: 71 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of rain. Sunny, with a high near 64.

    High: 64 °F

    Slight Chance
    Rain

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of snow before noon, then a chance of rain and snow. Cloudy, with a high near 45. Chance of precipitation is 50%.

    High: 45 °F

    Chance Snow
    then Chance
    Rain/Snow

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 53. Light and variable wind.
Tonight
A 50 percent chance of rain, mainly before 3am. Mostly cloudy, with a low around 36. Northeast wind 3 to 5 mph.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 55. East wind around 5 mph becoming calm in the afternoon.
Thursday Night
Mostly clear, with a low around 35. Light south wind.
Friday
Sunny, with a high near 71. Light southwest wind increasing to 5 to 10 mph in the morning.
Friday Night
Mostly clear, with a low around 43.
Saturday
A 20 percent chance of rain. Sunny, with a high near 64.
Saturday Night
Mostly cloudy, with a low around 32.
Sunday
A chance of snow before noon, then a chance of rain and snow. Cloudy, with a high near 45. Chance of precipitation is 50%.
Sunday Night
Rain and snow likely. Cloudy, with a low around 30. Chance of precipitation is 70%.
Monday
A chance of rain and snow. Cloudy, with a high near 41. Chance of precipitation is 30%.
Monday Night
A 40 percent chance of rain. Cloudy, with a low around 28.
Tuesday
A 50 percent chance of rain. Mostly cloudy, with a high near 45.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Brooklyn IL
 38.64°N 90.17°W (Elev. 400 ft)
Last Update:
12:26 pm CST Feb 25, 2026
Forecast Valid:
1pm CST Feb 25, 2026-6pm CST Mar 3, 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