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.

A Few Clouds

83°F

28°C

Humidity 55%
Wind Speed SW 6 mph
Barometer 30.00 in (1015.5 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 24 Jun 3:53 pm CDT
Extended Forecast for

3 Miles ESE Maeystown IL

Flood Watch June 25, 01:00pm until June 26, 07:00am
Click here for hazard details and duration
Flood Watch

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 84. Light southwest wind.

    High: 84 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 3am. Mostly cloudy, with a low around 66. Light southwest wind.

    Low: 66 °F

    Chance
    T-storms

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms, mainly after noon. Partly sunny, with a high near 84. Light southwest wind.

    High: 84 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely, mainly before 1am, then showers likely and possibly a thunderstorm after 3am. Mostly cloudy, with a low around 68. Calm wind becoming southeast around 5 mph after midnight. Chance of precipitation is 70%.

    Low: 68 °F

    T-storms
    Likely

  • Friday

    Friday: Showers and possibly a thunderstorm. High near 83. Southwest wind around 7 mph. Chance of precipitation is 80%.

    High: 83 °F

    Showers

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.

    Low: 69 °F

    Showers
    Likely

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 87.

    High: 87 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 72.

    Low: 72 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: Sunny, with a high near 95.

    High: 95 °F

    Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 84. Light southwest wind.
Tonight
A 30 percent chance of showers and thunderstorms, mainly after 3am. Mostly cloudy, with a low around 66. Light southwest wind.
Thursday
A 40 percent chance of showers and thunderstorms, mainly after noon. Partly sunny, with a high near 84. Light southwest wind.
Thursday Night
Showers and thunderstorms likely, mainly before 1am, then showers likely and possibly a thunderstorm after 3am. Mostly cloudy, with a low around 68. Calm wind becoming southeast around 5 mph after midnight. Chance of precipitation is 70%.
Friday
Showers and possibly a thunderstorm. High near 83. Southwest wind around 7 mph. Chance of precipitation is 80%.
Friday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.
Saturday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 87.
Saturday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 72.
Sunday
Sunny, with a high near 95.
Sunday Night
Mostly clear, with a low around 74.
Monday
Sunny, with a high near 96.
Monday Night
Mostly clear, with a low around 75.
Tuesday
Sunny and hot, with a high near 97.
Tuesday Night
Mostly clear, with a low around 75.
Wednesday
Sunny and hot, with a high near 97.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Maeystown IL
 38.2°N 90.19°W (Elev. 600 ft)
Last Update:
2:52 pm CDT Jun 24, 2026
Forecast Valid:
4pm CDT Jun 24, 2026-6pm CDT Jul 1, 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