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.

Fair

51°F

11°C

Humidity 54%
Wind Speed SE 10 mph
Barometer 29.89 in (1012.3 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 26 Feb 10:53 am CST
Extended Forecast for

Brooklyn IL

  • Today

    Today: Sunny, with a high near 57. Light and variable wind.

    High: 57 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 38. Light southwest wind.

    Low: 38 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 71. Light southwest wind increasing to 6 to 11 mph in the morning.

    High: 71 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 42. South wind 5 to 7 mph becoming light and variable after midnight.

    Low: 42 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 65. Light and variable wind becoming southeast 5 to 9 mph in the morning.

    High: 65 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of rain. Partly cloudy, with a low around 31.

    Low: 31 °F

    Slight Chance
    Rain

  • Sunday

    Sunday: Rain and snow likely, mainly after noon. Cloudy, with a high near 40. Chance of precipitation is 60%.

    High: 40 °F

    Chance
    Rain/Snow
    then
    Rain/Snow
    Likely

  • Sunday Night

    Sunday Night: Rain and snow, mainly before midnight. Low around 27. Chance of precipitation is 80%.

    Low: 27 °F

    Rain/Snow
    then Chance
    Rain/Snow

  • Monday

    Monday: A chance of rain and snow before noon, then a slight chance of rain. Cloudy, with a high near 41. Chance of precipitation is 30%.

    High: 41 °F

    Chance
    Rain/Snow
    then Slight
    Chance Rain

Detailed Forecast

Today
Sunny, with a high near 57. Light and variable wind.
Tonight
Clear, with a low around 38. Light southwest wind.
Friday
Sunny, with a high near 71. Light southwest wind increasing to 6 to 11 mph in the morning.
Friday Night
Mostly clear, with a low around 42. South wind 5 to 7 mph becoming light and variable after midnight.
Saturday
Mostly sunny, with a high near 65. Light and variable wind becoming southeast 5 to 9 mph in the morning.
Saturday Night
A 20 percent chance of rain. Partly cloudy, with a low around 31.
Sunday
Rain and snow likely, mainly after noon. Cloudy, with a high near 40. Chance of precipitation is 60%.
Sunday Night
Rain and snow, mainly before midnight. Low around 27. Chance of precipitation is 80%.
Monday
A chance of rain and snow before noon, then a slight chance of rain. Cloudy, with a high near 41. Chance of precipitation is 30%.
Monday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 27.
Tuesday
A 40 percent chance of rain. Cloudy, with a high near 44.
Tuesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 32.
Wednesday
A 40 percent chance of rain. Mostly cloudy, with a high near 53.
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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:
11:11 am CST Feb 26, 2026
Forecast Valid:
11am CST Feb 26, 2026-6pm CST Mar 4, 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