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

64°F

18°C

Humidity 48%
Wind Speed SE 9 mph
Barometer 30.14 in (1020.4 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 14 May 9:53 am CDT
Extended Forecast for

3 Miles NW Maeystown IL

  • Today

    Today: Sunny, with a high near 75. Southeast wind 3 to 6 mph.

    High: 75 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 55. Southeast wind 6 to 8 mph.

    Low: 55 °F

    Increasing
    Clouds

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms before 9am. Mostly sunny, with a high near 82. South wind 8 to 10 mph, with gusts as high as 21 mph.

    High: 82 °F

    Chance
    T-storms then
    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 65. South wind around 8 mph.

    Low: 65 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 85. South wind around 8 mph. Chance of precipitation is 70%.

    High: 85 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 65.

    Low: 65 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 69.

    Low: 69 °F

    Mostly Clear

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88.

    High: 88 °F

    Sunny then
    Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 75. Southeast wind 3 to 6 mph.
Tonight
Increasing clouds, with a low around 55. Southeast wind 6 to 8 mph.
Friday
A 50 percent chance of showers and thunderstorms before 9am. Mostly sunny, with a high near 82. South wind 8 to 10 mph, with gusts as high as 21 mph.
Friday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 65. South wind around 8 mph.
Saturday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 85. South wind around 8 mph. Chance of precipitation is 70%.
Saturday Night
Partly cloudy, with a low around 65.
Sunday
Sunny, with a high near 90.
Sunday Night
Mostly clear, with a low around 69.
Monday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 69. Chance of precipitation is 50%.
Tuesday
Showers and thunderstorms likely. Partly sunny, with a high near 82. Chance of precipitation is 70%.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 62. Chance of precipitation is 70%.
Wednesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NW Maeystown IL
 38.27°N 90.28°W (Elev. 541 ft)
Last Update:
9:01 am CDT May 14, 2026
Forecast Valid:
10am CDT May 14, 2026-6pm CDT May 20, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation