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

51°F

11°C

Humidity 52%
Wind Speed S 7 mph
Barometer 30.07 in (1018.3 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 25 Mar 8:53 am CDT
Extended Forecast for

2 Miles SSE Belleville IL

  • Today

    Today: Mostly sunny, with a high near 78. South wind 5 to 11 mph.

    High: 78 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 63. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 63 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Sunny, with a high near 89. Southwest wind 9 to 14 mph, with gusts as high as 26 mph.

    High: 89 °F

    Sunny

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 1am, then showers and possibly a thunderstorm between 1am and 4am, then rain after 4am. Low around 43. Southwest wind 9 to 15 mph becoming north after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 80%.

    Low: 43 °F

    Chance
    T-storms then
    Showers

  • Friday

    Friday: Rain, mainly before 7am. High near 52. North wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.

    High: 52 °F

    Rain then
    Chance Rain

  • Friday Night

    Friday Night: Mostly clear, with a low around 32.

    Low: 32 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 64.

    High: 64 °F

    Partly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 78. South wind 5 to 11 mph.
Tonight
Mostly cloudy, then gradually becoming clear, with a low around 63. South wind around 10 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 89. Southwest wind 9 to 14 mph, with gusts as high as 26 mph.
Thursday Night
A chance of showers and thunderstorms before 1am, then showers and possibly a thunderstorm between 1am and 4am, then rain after 4am. Low around 43. Southwest wind 9 to 15 mph becoming north after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 80%.
Friday
Rain, mainly before 7am. High near 52. North wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
Friday Night
Mostly clear, with a low around 32.
Saturday
Sunny, with a high near 58.
Saturday Night
Partly cloudy, with a low around 41.
Sunday
Partly sunny, with a high near 64.
Sunday Night
Mostly cloudy, with a low around 53.
Monday
Mostly sunny, with a high near 81.
Monday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 61.
Tuesday
A 30 percent chance of rain and thunderstorms. Partly sunny, with a high near 80.
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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:
7:21 am CDT Mar 25, 2026
Forecast Valid:
9am CDT Mar 25, 2026-6pm CDT Mar 31, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation