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

23°F

-5°C

Humidity 48%
Wind Speed NW 15 G 25 mph
Barometer 30.16 in (1021.8 mb)
Dewpoint 6°F (-14°C)
Visibility 10.00 mi
Wind Chill10°F (-12°C)
Last update 16 Mar 10:53 pm CDT
Extended Forecast for

3 Miles NNW Maeystown IL

  • Tonight

    Tonight: Mostly cloudy early, then becoming clear, with a low around 15. Northwest wind 11 to 13 mph, with gusts as high as 23 mph.

    Low: 15 °F

    Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 37. Northwest wind 6 to 9 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.

    High: 37 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A chance of snow before 3am, then a slight chance of rain. Cloudy, with a low around 32. Southeast wind 6 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.

    Low: 32 °F

    Chance Snow
    then Slight
    Chance
    Rain/Snow

  • Wednesday

    Wednesday: Mostly cloudy through mid morning, then gradual clearing, with a high near 65. South wind 8 to 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph.

    High: 65 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 45. South wind around 5 mph.

    Low: 45 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy early, then becoming clear, with a low around 15. Northwest wind 11 to 13 mph, with gusts as high as 23 mph.
Tuesday
Increasing clouds, with a high near 37. Northwest wind 6 to 9 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
A chance of snow before 3am, then a slight chance of rain. Cloudy, with a low around 32. Southeast wind 6 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Wednesday
Mostly cloudy through mid morning, then gradual clearing, with a high near 65. South wind 8 to 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
Mostly cloudy, with a low around 45. South wind around 5 mph.
Thursday
Mostly sunny, with a high near 73.
Thursday Night
Mostly clear, with a low around 47.
Friday
Mostly sunny, with a high near 78.
Friday Night
Partly cloudy, with a low around 53.
Saturday
Sunny, with a high near 79.
Saturday Night
Mostly clear, with a low around 51.
Sunday
Sunny, with a high near 72.
Sunday Night
Partly cloudy, with a low around 40.
Monday
Mostly sunny, with a high near 55.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Maeystown IL
 38.26°N 90.25°W (Elev. 656 ft)
Last Update:
8:56 pm CDT Mar 16, 2026
Forecast Valid:
11pm CDT Mar 16, 2026-6pm CDT Mar 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation