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

53°F

12°C

Humidity 83%
Wind Speed Calm
Barometer 30.12 in (1019.6 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 12 May 4:53 am CDT
Extended Forecast for

Maeystown IL

  • Today

    Today: Sunny, with a high near 82. Light south wind becoming southwest 5 to 9 mph in the morning.

    High: 82 °F

    Sunny

  • Tonight

    Tonight: A slight chance of showers and thunderstorms between 11pm and 1am. Increasing clouds, with a low around 57. Southwest wind around 7 mph becoming northwest after midnight. Chance of precipitation is 20%.

    Low: 57 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: Sunny, with a high near 75. Northwest wind 7 to 11 mph, with gusts as high as 21 mph.

    High: 75 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 48. Northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 48 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 74. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 74 °F

    Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 85.

    High: 85 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 63.

    Low: 63 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 82. Light south wind becoming southwest 5 to 9 mph in the morning.
Tonight
A slight chance of showers and thunderstorms between 11pm and 1am. Increasing clouds, with a low around 57. Southwest wind around 7 mph becoming northwest after midnight. Chance of precipitation is 20%.
Wednesday
Sunny, with a high near 75. Northwest wind 7 to 11 mph, with gusts as high as 21 mph.
Wednesday Night
Clear, with a low around 48. Northwest wind 5 to 7 mph becoming calm in the evening.
Thursday
Sunny, with a high near 74. Calm wind becoming southeast around 5 mph in the afternoon.
Thursday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 55.
Friday
A 50 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 85.
Friday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 63.
Saturday
Mostly sunny, with a high near 88.
Saturday Night
Partly cloudy, with a low around 67.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Sunday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Monday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Maeystown IL
 38.22°N 90.22°W (Elev. 528 ft)
Last Update:
1:26 am CDT May 12, 2026
Forecast Valid:
5am CDT May 12, 2026-6pm CDT May 18, 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