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

71°F

22°C

Humidity 96%
Wind Speed SE 5 mph
Barometer 29.88 in (1011.4 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 10 Jul 4:53 am CDT
Extended Forecast for

Maeystown IL

  • Overnight

    Overnight: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Calm wind.

    Low: 72 °F

    Chance
    T-storms

  • Friday

    Friday: Partly sunny, with a high near 89. Heat index values as high as 100. Light and variable wind becoming southwest around 5 mph in the morning.

    High: 89 °F

    Partly Sunny

  • Friday Night

    Friday Night: Showers and thunderstorms before 2am, then showers likely and possibly a thunderstorm between 2am and 3am, then a chance of showers and thunderstorms after 3am. Low around 70. Light west wind. Chance of precipitation is 80%.

    Low: 70 °F

    Chance
    T-storms then
    Showers

  • Saturday

    Saturday: A chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 3pm, then a chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 85. Light west wind. Chance of precipitation is 60%.

    High: 85 °F

    Chance
    T-storms then
    Showers
    Likely

  • Saturday Night

    Saturday Night: A 30 percent chance of showers, mainly after 1am. Partly cloudy, with a low around 68. Light north wind.

    Low: 68 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers after 4pm. Mostly sunny, with a high near 85. Chance of precipitation is 30%.

    High: 85 °F

    Mostly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 67.

    Low: 67 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 67.

    Low: 67 °F

    Mostly Clear

Detailed Forecast

Overnight
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Calm wind.
Friday
Partly sunny, with a high near 89. Heat index values as high as 100. Light and variable wind becoming southwest around 5 mph in the morning.
Friday Night
Showers and thunderstorms before 2am, then showers likely and possibly a thunderstorm between 2am and 3am, then a chance of showers and thunderstorms after 3am. Low around 70. Light west wind. Chance of precipitation is 80%.
Saturday
A chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 3pm, then a chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 85. Light west wind. Chance of precipitation is 60%.
Saturday Night
A 30 percent chance of showers, mainly after 1am. Partly cloudy, with a low around 68. Light north wind.
Sunday
A chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers after 4pm. Mostly sunny, with a high near 85. Chance of precipitation is 30%.
Sunday Night
Mostly clear, with a low around 67.
Monday
Sunny, with a high near 87.
Monday Night
Mostly clear, with a low around 67.
Tuesday
Sunny, with a high near 89.
Tuesday Night
Mostly clear, with a low around 69.
Wednesday
Sunny, with a high near 90.
Wednesday Night
Mostly clear, with a low around 71.
Thursday
Sunny, with a high near 91.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Maeystown IL
 38.22°N 90.22°W (Elev. 528 ft)
Last Update:
5:01 am CDT Jul 10, 2026
Forecast Valid:
5am CDT Jul 10, 2026-6pm CDT Jul 16, 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