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.

Light Rain Fog/Mist

52°F

11°C

Humidity 100%
Wind Speed Calm
Barometer 29.81 in (1009.3 mb)
Dewpoint 52°F (11°C)
Visibility 2.00 mi
Last update 25 Nov 5:53 am CST
Extended Forecast for

4 Miles SSE Troy IL

  • Today

    Today: Patchy drizzle before 10am. Cloudy, with a high near 58. Light southwest wind becoming west 5 to 10 mph in the morning.

    High: 58 °F

    Patchy
    Drizzle then
    Cloudy

  • Tonight

    Tonight: Isolated showers between 8pm and 9pm. Cloudy during the early evening, then gradual clearing, with a low around 36. Breezy, with a west wind 9 to 14 mph increasing to 15 to 20 mph after midnight. Winds could gust as high as 34 mph. Chance of precipitation is 20%.

    Low: 36 °F

    Isolated
    Showers then
    Partly Cloudy
    and Breezy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 45. Breezy, with a west wind 13 to 22 mph, with gusts as high as 34 mph.

    High: 45 °F

    Mostly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 27. West wind 7 to 10 mph.

    Low: 27 °F

    Partly Cloudy

  • Thanksgiving Day

    Thanksgiving Day: Sunny, with a high near 41. Northwest wind 7 to 14 mph.

    High: 41 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 21.

    Low: 21 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 39.

    High: 39 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A slight chance of snow before midnight, then snow likely, possibly mixed with rain. Cloudy, with a low around 30. Chance of precipitation is 60%.

    Low: 30 °F

    Slight Chance
    Snow then
    Rain/Snow
    Likely

  • Saturday

    Saturday: Rain, possibly mixed with snow. High near 39. Chance of precipitation is 80%.

    High: 39 °F

    Rain/Snow

Detailed Forecast

Today
Patchy drizzle before 10am. Cloudy, with a high near 58. Light southwest wind becoming west 5 to 10 mph in the morning.
Tonight
Isolated showers between 8pm and 9pm. Cloudy during the early evening, then gradual clearing, with a low around 36. Breezy, with a west wind 9 to 14 mph increasing to 15 to 20 mph after midnight. Winds could gust as high as 34 mph. Chance of precipitation is 20%.
Wednesday
Mostly sunny, with a high near 45. Breezy, with a west wind 13 to 22 mph, with gusts as high as 34 mph.
Wednesday Night
Partly cloudy, with a low around 27. West wind 7 to 10 mph.
Thanksgiving Day
Sunny, with a high near 41. Northwest wind 7 to 14 mph.
Thursday Night
Mostly clear, with a low around 21.
Friday
Mostly sunny, with a high near 39.
Friday Night
A slight chance of snow before midnight, then snow likely, possibly mixed with rain. Cloudy, with a low around 30. Chance of precipitation is 60%.
Saturday
Rain, possibly mixed with snow. High near 39. Chance of precipitation is 80%.
Saturday Night
Rain likely, mainly before midnight. Cloudy, with a low around 30. Chance of precipitation is 60%.
Sunday
A 40 percent chance of rain. Mostly cloudy, with a high near 40.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 28. Chance of precipitation is 40%.
Monday
A 40 percent chance of rain. Mostly cloudy, with a high near 39.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Troy IL
 38.68°N 89.86°W (Elev. 486 ft)
Last Update:
4:31 am CST Nov 25, 2025
Forecast Valid:
6am CST Nov 25, 2025-6pm CST Dec 1, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation