National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

72°F

22°C

Humidity 19%
Wind Speed W 13 G 20 mph
Barometer 29.65 in (1003.8 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 18 Feb 1:53 pm CST
Extended Forecast for

2 Miles SSE Belleville IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 73. Southwest wind 6 to 10 mph.

    High: 73 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 50. Calm wind becoming south around 6 mph after midnight.

    Low: 50 °F

    Partly Cloudy

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms, mainly before 2pm. Partly sunny, with a high near 69. South wind 6 to 16 mph becoming southwest in the afternoon. Winds could gust as high as 26 mph.

    High: 69 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 38. Southwest wind 9 to 15 mph, with gusts as high as 25 mph.

    Low: 38 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 52. West wind 7 to 15 mph, with gusts as high as 25 mph.

    High: 52 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of rain and snow after noon. Mostly sunny, with a high near 45. Chance of precipitation is 20%.

    High: 45 °F

    Mostly Sunny
    then Slight
    Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 25.

    Low: 25 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 40.

    High: 40 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 73. Southwest wind 6 to 10 mph.
Tonight
Partly cloudy, with a low around 50. Calm wind becoming south around 6 mph after midnight.
Thursday
A 40 percent chance of showers and thunderstorms, mainly before 2pm. Partly sunny, with a high near 69. South wind 6 to 16 mph becoming southwest in the afternoon. Winds could gust as high as 26 mph.
Thursday Night
Mostly clear, with a low around 38. Southwest wind 9 to 15 mph, with gusts as high as 25 mph.
Friday
Sunny, with a high near 52. West wind 7 to 15 mph, with gusts as high as 25 mph.
Friday Night
Partly cloudy, with a low around 31.
Saturday
A slight chance of rain and snow after noon. Mostly sunny, with a high near 45. Chance of precipitation is 20%.
Saturday Night
Mostly clear, with a low around 25.
Sunday
Sunny, with a high near 40.
Sunday Night
Mostly clear, with a low around 21.
Monday
Sunny, with a high near 38.
Monday Night
Mostly clear, with a low around 21.
Tuesday
Mostly sunny, with a high near 49.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Belleville IL
 38.5°N 89.98°W (Elev. 495 ft)
Last Update:
1:06 pm CST Feb 18, 2026
Forecast Valid:
2pm CST Feb 18, 2026-6pm CST Feb 24, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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