Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

40°F

4°C

Humidity 40%
Wind Speed SW 8 mph
Barometer 30.32 in (1027.1 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 12 Jan 9:53 am CST
Extended Forecast for

4 Miles SSE Troy IL

  • Today

    Today: Sunny, with a high near 54. Southwest wind 7 to 10 mph.

    High: 54 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 34. Southwest wind 6 to 8 mph.

    Low: 34 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 61. West wind 8 to 15 mph, with gusts as high as 26 mph.

    High: 61 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers before midnight.  Mostly cloudy, with a low around 39. West wind 7 to 9 mph.

    Low: 39 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers after noon.  Mostly cloudy, with a temperature falling to around 32 by 5pm. Breezy, with a northwest wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 42 °F

    Breezy.
    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 18.

    Low: 18 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 31.

    High: 31 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 26.

    Low: 26 °F

    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of snow showers after noon.  Partly sunny, with a high near 42.

    High: 42 °F

    Partly Sunny
    then Slight
    Chance Snow
    Showers

Detailed Forecast

Today
Sunny, with a high near 54. Southwest wind 7 to 10 mph.
Tonight
Mostly clear, with a low around 34. Southwest wind 6 to 8 mph.
Tuesday
Increasing clouds, with a high near 61. West wind 8 to 15 mph, with gusts as high as 26 mph.
Tuesday Night
A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 39. West wind 7 to 9 mph.
Wednesday
A 20 percent chance of showers after noon. Mostly cloudy, with a temperature falling to around 32 by 5pm. Breezy, with a northwest wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 30 mph.
Wednesday Night
Partly cloudy, with a low around 18.
Thursday
Sunny, with a high near 31.
Thursday Night
Mostly cloudy, with a low around 26.
Friday
A 20 percent chance of snow showers after noon. Partly sunny, with a high near 42.
Friday Night
Mostly cloudy, with a low around 20.
Saturday
Mostly cloudy, with a high near 29.
Saturday Night
Partly cloudy, with a low around 11.
Sunday
Mostly sunny, with a high near 29.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Troy IL
 38.68°N 89.86°W (Elev. 486 ft)
9:36 am CST Jan 12, 2026
10am CST Jan 12, 2026-6pm CST Jan 18, 2026
 
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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