Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Mostly Cloudy and Breezy

18°F

-8°C

Humidity 54%
Wind Speed NW 25 G 37 mph
Barometer 30.33 in (1027.8 mb)
Dewpoint 4°F (-16°C)
Visibility 10.00 mi
Wind Chill0°F (-18°C)
Last update 29 Dec 9:53 am CST
Extended Forecast for

Lemay MO

  • Today

    Today: Mostly sunny, with a high near 30. Blustery, with a northwest wind 14 to 20 mph, with gusts as high as 32 mph.

    High: 30 °F

    Partly Sunny
    and Blustery
    then Mostly
    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 17. Northwest wind 7 to 13 mph, with gusts as high as 22 mph.

    Low: 17 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 37. West wind around 7 mph.

    High: 37 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 29. West wind around 6 mph.

    Low: 29 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 45. West wind 5 to 8 mph.

    High: 45 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 26.

    Low: 26 °F

    Partly Cloudy

  • New Year's Day

    New Year's Day: Partly sunny, with a high near 37.

    High: 37 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 24.

    Low: 24 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 41.

    High: 41 °F

    Mostly Cloudy

Detailed Forecast

Today
Mostly sunny, with a high near 30. Blustery, with a northwest wind 14 to 20 mph, with gusts as high as 32 mph.
Tonight
Mostly clear, with a low around 17. Northwest wind 7 to 13 mph, with gusts as high as 22 mph.
Tuesday
Increasing clouds, with a high near 37. West wind around 7 mph.
Tuesday Night
Mostly clear, with a low around 29. West wind around 6 mph.
Wednesday
Mostly sunny, with a high near 45. West wind 5 to 8 mph.
Wednesday Night
Partly cloudy, with a low around 26.
New Year's Day
Partly sunny, with a high near 37.
Thursday Night
Mostly cloudy, with a low around 24.
Friday
Mostly cloudy, with a high near 41.
Friday Night
Mostly cloudy, with a low around 27.
Saturday
Sunny, with a high near 42.
Saturday Night
Partly cloudy, with a low around 24.
Sunday
Mostly sunny, with a high near 45.
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ABOUT THIS FORECAST

 
Point Forecast:
Lemay MO
 38.53°N 90.29°W (Elev. 456 ft)
8:36 am CST Dec 29, 2025
10am CST Dec 29, 2025-6pm CST Jan 4, 2026
 
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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