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.

Mostly Cloudy

19°C

66°F

Humidity 73%
Wind Speed N 9 km/h
Barometer 1019.0 mb (30.10 in)
Dewpoint 14°C (57°F)
Visibility 16 km
Last update 29 May 12:53 am CDT
Extended Forecast for

4 Miles SE Swansea IL

  • Overnight

    Overnight: Mostly clear, with a low around 13. Calm wind.

    Low: 13 °C

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 24. North wind 5 to 13 km/h.

    High: 24 °C

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 12. Northeast wind 5 to 8 km/h.

    Low: 12 °C

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 26. East wind 8 to 11 km/h.

    High: 26 °C

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 13. East wind 8 to 10 km/h.

    Low: 13 °C

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 27.

    High: 27 °C

    Mostly Sunny

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 16.

    Low: 16 °C

    Chance
    Showers then
    Chance
    T-storms

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 27.

    High: 27 °C

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 18.

    Low: 18 °C

    Slight Chance
    T-storms

Detailed Forecast

Overnight
Mostly clear, with a low around 13. Calm wind.
Wednesday
Sunny, with a high near 24. North wind 5 to 13 km/h.
Wednesday Night
Mostly clear, with a low around 12. Northeast wind 5 to 8 km/h.
Thursday
Sunny, with a high near 26. East wind 8 to 11 km/h.
Thursday Night
Mostly clear, with a low around 13. East wind 8 to 10 km/h.
Friday
Mostly sunny, with a high near 27.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 16.
Saturday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 27.
Saturday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 18.
Sunday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 28.
Sunday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 19.
Monday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 30.
Monday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 21.
Tuesday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 31.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Swansea IL
 38.5°N 89.95°W (Elev. 499 m)
Last Update:
12:22 am CDT May 29, 2024
Forecast Valid:
1am CDT May 29, 2024-6pm CDT Jun 4, 2024
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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