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

87°F

31°C

Humidity 53%
Wind Speed Vrbl 6 mph
Barometer 29.93 in (1013.2 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 25 Jun 3:53 pm CDT
Extended Forecast for

5 Miles SSE Waterloo IL

Flood Watch June 25, 04:16pm until June 26, 07:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch June 25, 04:16pm until June 26, 07:00pm

    NOW until 7:00pm Fri

    Flood Watch

  • This Afternoon

    High: 87 °F

    Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms, mainly after midnight. Low around 68. Light and variable wind becoming southeast around 6 mph after midnight. Chance of precipitation is 80%.

    Low: 68 °F

    Chance
    T-storms then
    T-storms

  • Friday

    Friday: Showers and thunderstorms. High near 82. South wind 8 to 10 mph becoming southwest in the afternoon. Chance of precipitation is 90%.

    High: 82 °F

    T-storms

  • Friday Night

    Friday Night: Showers and thunderstorms likely, mainly before 3am. Mostly cloudy, with a low around 68. Southwest wind around 6 mph becoming northwest after midnight. Chance of precipitation is 60%.

    Low: 68 °F

    T-storms
    Likely then
    Chance
    T-storms

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 85. Light and variable wind.

    High: 85 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 71.

    Low: 71 °F

    Chance
    T-storms

  • Sunday

    Sunday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 74.

    Low: 74 °F

    Mostly Clear

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 87. Light south wind.
Tonight
Showers and thunderstorms, mainly after midnight. Low around 68. Light and variable wind becoming southeast around 6 mph after midnight. Chance of precipitation is 80%.
Friday
Showers and thunderstorms. High near 82. South wind 8 to 10 mph becoming southwest in the afternoon. Chance of precipitation is 90%.
Friday Night
Showers and thunderstorms likely, mainly before 3am. Mostly cloudy, with a low around 68. Southwest wind around 6 mph becoming northwest after midnight. Chance of precipitation is 60%.
Saturday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 85. Light and variable wind.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 71.
Sunday
Sunny, with a high near 92.
Sunday Night
Mostly clear, with a low around 74.
Monday
Sunny, with a high near 95.
Monday Night
Mostly clear, with a low around 74.
Tuesday
Sunny, with a high near 96.
Tuesday Night
Clear, with a low around 75.
Wednesday
Sunny, with a high near 95.
Wednesday Night
Mostly clear, with a low around 75.
Thursday
Sunny, with a high near 95.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSE Waterloo IL
 38.26°N 90.11°W (Elev. 597 ft)
Last Update:
3:02 pm CDT Jun 25, 2026
Forecast Valid:
4pm CDT Jun 25, 2026-6pm CDT Jul 2, 2026
 
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