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

34°F

1°C

Humidity 82%
Wind Speed N 10 mph
Barometer 30.21 in (1023.1 mb)
Dewpoint 29°F (-2°C)
Visibility 8.00 mi
Wind Chill26°F (-3°C)
Last update 7 Dec 4:53 pm CST
Extended Forecast for

2 Miles NW Belleville IL

  • This Afternoon

    This Afternoon: A slight chance of drizzle. Cloudy, with a steady temperature around 33. North wind around 14 mph, with gusts as high as 21 mph.

    High: 33 °F

    Slight Chance
    Drizzle

  • Tonight

    Tonight: A 20 percent chance of snow before 10pm. Cloudy, then gradual clearing toward daybreak, with a low around 23. North wind 8 to 15 mph, with gusts as high as 23 mph.

    Low: 23 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 35. North wind 5 to 8 mph becoming calm in the afternoon.

    High: 35 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 27. Light and variable wind becoming south 5 to 10 mph in the evening.

    Low: 27 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 52. Southwest wind 8 to 13 mph, with gusts as high as 20 mph.

    High: 52 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 48.

    High: 48 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Thursday

    Thursday: A 30 percent chance of snow, mainly before noon. Mostly cloudy, with a high near 36.

    High: 36 °F

    Chance Snow

Detailed Forecast

This Afternoon
A slight chance of drizzle. Cloudy, with a steady temperature around 33. North wind around 14 mph, with gusts as high as 21 mph.
Tonight
A 20 percent chance of snow before 10pm. Cloudy, then gradual clearing toward daybreak, with a low around 23. North wind 8 to 15 mph, with gusts as high as 23 mph.
Monday
Mostly sunny, with a high near 35. North wind 5 to 8 mph becoming calm in the afternoon.
Monday Night
Partly cloudy, with a low around 27. Light and variable wind becoming south 5 to 10 mph in the evening.
Tuesday
Mostly sunny, with a high near 52. Southwest wind 8 to 13 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly cloudy, with a low around 42.
Wednesday
Partly sunny, with a high near 48.
Wednesday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 28.
Thursday
A 30 percent chance of snow, mainly before noon. Mostly cloudy, with a high near 36.
Thursday Night
Mostly cloudy, with a low around 20.
Friday
Partly sunny, with a high near 28.
Friday Night
Mostly cloudy, with a low around 8.
Saturday
Partly sunny, with a high near 21.
Saturday Night
Mostly cloudy, with a low around 10.
Sunday
Mostly sunny, with a high near 26.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NW Belleville IL
 38.55°N 90.04°W (Elev. 538 ft)
Last Update:
4:46 pm CST Dec 7, 2025
Forecast Valid:
5pm CST Dec 7, 2025-6pm CST Dec 14, 2025
 
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Additional Resources

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Chance of Precipitation