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.

Fair

30°F

-1°C

Humidity 41%
Wind Speed NW 7 mph
Barometer 30.50 in (1033.2 mb)
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 23 Feb 2:53 pm CST
Extended Forecast for

3 Miles NNW Maeystown IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 29. Light northwest wind.

    High: 29 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 20. Calm wind becoming south 5 to 7 mph after midnight.

    Low: 20 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 53. Southwest wind 8 to 17 mph, with gusts as high as 38 mph.

    High: 53 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 37. Southwest wind 5 to 11 mph becoming west after midnight. Winds could gust as high as 21 mph.

    Low: 37 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 54. Light and variable wind becoming northeast around 6 mph in the afternoon.

    High: 54 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 50 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 38.

    Low: 38 °F

    Slight Chance
    Rain then
    Chance Rain

  • Thursday

    Thursday: A 30 percent chance of rain before noon. Partly sunny, with a high near 50.

    High: 50 °F

    Chance Rain
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 33.

    Low: 33 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 29. Light northwest wind.
Tonight
Mostly clear, with a low around 20. Calm wind becoming south 5 to 7 mph after midnight.
Tuesday
Partly sunny, with a high near 53. Southwest wind 8 to 17 mph, with gusts as high as 38 mph.
Tuesday Night
Mostly cloudy, with a low around 37. Southwest wind 5 to 11 mph becoming west after midnight. Winds could gust as high as 21 mph.
Wednesday
Partly sunny, with a high near 54. Light and variable wind becoming northeast around 6 mph in the afternoon.
Wednesday Night
A 50 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 38.
Thursday
A 30 percent chance of rain before noon. Partly sunny, with a high near 50.
Thursday Night
Mostly clear, with a low around 33.
Friday
Sunny, with a high near 64.
Friday Night
Clear, with a low around 41.
Saturday
Sunny, with a high near 67.
Saturday Night
Mostly cloudy, with a low around 34.
Sunday
A 30 percent chance of rain. Partly sunny, with a high near 49.
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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:
2:51 pm CST Feb 23, 2026
Forecast Valid:
2pm CST Feb 23, 2026-6pm CST Mar 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