Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

2 Miles SSE Belleville IL

  • Tonight

    Tonight: Patchy fog between 1am and 5am.  Otherwise, mostly cloudy, with a low around 55. Calm wind becoming south 5 to 7 mph after midnight.

    Low: 55 °F

    Patchy Fog

  • Friday

    Friday: Partly sunny, with a high near 78. South wind 8 to 17 mph, with gusts as high as 30 mph.

    High: 78 °F

    Partly Sunny

  • Friday Night

    Friday Night: Rain and thunderstorms likely, then rain and possibly a thunderstorm after 3am.  Low around 62. South wind 11 to 15 mph, with gusts as high as 28 mph.  Chance of precipitation is 80%.

    Low: 62 °F

    Slight Chance
    T-storms then
    Rain

  • Saturday

    Saturday: Rain likely and possibly a thunderstorm before noon, then a slight chance of rain.  Mostly cloudy, with a temperature rising to near 68 by noon, then falling to around 59 during the remainder of the day. Southwest wind 10 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 24 mph.  Chance of precipitation is 60%.

    High: 68 °F

    Rain Likely
    then Slight
    Chance Rain

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 40. Northwest wind 5 to 9 mph becoming calm  in the evening.

    Low: 40 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Monday Night

    Monday Night: A slight chance of rain, then a chance of rain and thunderstorms after midnight.  Partly cloudy, with a low around 60. Chance of precipitation is 30%.

    Low: 60 °F

    Slight Chance
    Rain then
    Chance
    T-storms

Detailed Forecast

Tonight
Patchy fog between 1am and 5am. Otherwise, mostly cloudy, with a low around 55. Calm wind becoming south 5 to 7 mph after midnight.
Friday
Partly sunny, with a high near 78. South wind 8 to 17 mph, with gusts as high as 30 mph.
Friday Night
Rain and thunderstorms likely, then rain and possibly a thunderstorm after 3am. Low around 62. South wind 11 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 80%.
Saturday
Rain likely and possibly a thunderstorm before noon, then a slight chance of rain. Mostly cloudy, with a temperature rising to near 68 by noon, then falling to around 59 during the remainder of the day. Southwest wind 10 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 60%.
Saturday Night
Partly cloudy, with a low around 40. Northwest wind 5 to 9 mph becoming calm in the evening.
Sunday
Sunny, with a high near 67.
Sunday Night
Mostly clear, with a low around 49.
Monday
Sunny, with a high near 77.
Monday Night
A slight chance of rain, then a chance of rain and thunderstorms after midnight. Partly cloudy, with a low around 60. Chance of precipitation is 30%.
Tuesday
Rain likely and possibly a thunderstorm. Partly sunny, with a high near 78. Chance of precipitation is 70%.
Tuesday Night
Rain and possibly a thunderstorm. Low around 57. Chance of precipitation is 80%.
Wednesday
Rain likely. Mostly cloudy, with a high near 67. Chance of precipitation is 70%.
Wednesday Night
A 20 percent chance of rain. Partly cloudy, with a low around 37.
Thursday
Sunny, with a high near 55.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Belleville IL
 38.5°N 89.98°W (Elev. 495 ft)
11:06 pm CST Mar 5, 2026
11pm CST Mar 5, 2026-6pm CDT Mar 12, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database