Hazardous Weather Conditions

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

58°F

14°C

Humidity 56%
Wind Speed S 5 mph
Barometer 30.15 in (1020.7 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 9 Apr 3:53 am CDT
Extended Forecast for

4 Miles SW Waterloo IL

  • Today

    Today: Sunny, with a high near 78. South wind 9 to 14 mph, with gusts as high as 24 mph.

    High: 78 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 58. South wind around 10 mph.

    Low: 58 °F

    Mostly Clear

  • Friday

    Friday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm.  Partly sunny, with a high near 74. Southwest wind 8 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.  Chance of precipitation is 60%.

    High: 74 °F

    Chance
    Showers then
    Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 53. Northeast wind 5 to 7 mph.  Chance of precipitation is 40%.

    Low: 53 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm.  Partly sunny, with a high near 76. East wind around 7 mph becoming southeast in the afternoon.  Chance of precipitation is 30%.

    High: 76 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers after 1pm.  Mostly cloudy, with a high near 80.

    High: 80 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 65.

    Low: 65 °F

    Chance
    Showers

  • Monday

    Monday: A 30 percent chance of showers before 1pm.  Mostly cloudy, with a high near 81.

    High: 81 °F

    Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 78. South wind 9 to 14 mph, with gusts as high as 24 mph.
Tonight
Mostly clear, with a low around 58. South wind around 10 mph.
Friday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 74. Southwest wind 8 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 60%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 53. Northeast wind 5 to 7 mph. Chance of precipitation is 40%.
Saturday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 76. East wind around 7 mph becoming southeast in the afternoon. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 60.
Sunday
A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 80.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Monday
A 30 percent chance of showers before 1pm. Mostly cloudy, with a high near 81.
Monday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 68.
Tuesday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 82.
Tuesday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.
Wednesday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 76.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Waterloo IL
 38.29°N 90.19°W (Elev. 633 ft)
4:41 am CDT Apr 9, 2026
4am CDT Apr 9, 2026-6pm CDT Apr 15, 2026
 
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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