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.

Overcast

44°F

7°C

Humidity 96%
Wind Speed N 10 mph
Barometer 29.90 in (1012.6 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 15 Feb 6:53 am CST
Extended Forecast for

Brooklyn IL

  • Today

    Today: Cloudy through mid morning, then gradual clearing, with a high near 57. North wind 5 to 9 mph becoming light northwest in the afternoon.

    High: 57 °F

    Gradual
    Clearing

  • Tonight

    Tonight: Patchy fog after 4am. Otherwise, mostly clear, with a low around 37. Calm wind.

    Low: 37 °F

    Mostly Clear
    then Patchy
    Fog

  • Washington's Birthday

    Washington's Birthday: Patchy fog before 10am. Otherwise, mostly sunny, with a high near 63. Light south wind increasing to 5 to 10 mph in the morning.

    High: 63 °F

    Patchy Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 43. South wind 5 to 7 mph.

    Low: 43 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 65. South wind 6 to 15 mph, with gusts as high as 25 mph.

    High: 65 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 58.

    Low: 58 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

  • Thursday

    Thursday: A 30 percent chance of showers after noon. Sunny, with a high near 73.

    High: 73 °F

    Sunny then
    Chance
    Showers

Detailed Forecast

Today
Cloudy through mid morning, then gradual clearing, with a high near 57. North wind 5 to 9 mph becoming light northwest in the afternoon.
Tonight
Patchy fog after 4am. Otherwise, mostly clear, with a low around 37. Calm wind.
Washington's Birthday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 63. Light south wind increasing to 5 to 10 mph in the morning.
Monday Night
Mostly cloudy, with a low around 43. South wind 5 to 7 mph.
Tuesday
Mostly cloudy, with a high near 65. South wind 6 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly cloudy, with a low around 58.
Wednesday
Mostly sunny, with a high near 71.
Wednesday Night
Mostly clear, with a low around 46.
Thursday
A 30 percent chance of showers after noon. Sunny, with a high near 73.
Thursday Night
A 20 percent chance of showers before midnight. Mostly clear, with a low around 40.
Friday
Mostly sunny, with a high near 54.
Friday Night
Partly cloudy, with a low around 32.
Saturday
Mostly sunny, with a high near 51.
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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:
4:21 am CST Feb 15, 2026
Forecast Valid:
7am CST Feb 15, 2026-6pm CST Feb 21, 2026
 
Forecast Discussion
 
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Additional Resources

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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