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.

A Few Clouds

68°F

20°C

Humidity 68%
Wind Speed SE 10 mph
Barometer 29.37 in (994.3 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 19 Feb 4:53 pm CST
Extended Forecast for

Lemay MO

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 32. Breezy, with a west wind 8 to 13 mph increasing to 18 to 23 mph in the evening. Winds could gust as high as 36 mph.

    Low: 32 °F

    Decreasing
    Clouds and
    Breezy

  • Friday

    Friday: Sunny, with a high near 50. West wind 8 to 15 mph, with gusts as high as 33 mph.

    High: 50 °F

    Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 31. West wind around 6 mph becoming north after midnight.

    Low: 31 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Mostly sunny, with a high near 46. Northwest wind 5 to 9 mph.

    High: 46 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 25. Northwest wind 7 to 10 mph, with gusts as high as 20 mph.

    Low: 25 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 38.

    High: 38 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 19.

    Low: 19 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 37.

    High: 37 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 21.

    Low: 21 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming clear, with a low around 32. Breezy, with a west wind 8 to 13 mph increasing to 18 to 23 mph in the evening. Winds could gust as high as 36 mph.
Friday
Sunny, with a high near 50. West wind 8 to 15 mph, with gusts as high as 33 mph.
Friday Night
Increasing clouds, with a low around 31. West wind around 6 mph becoming north after midnight.
Saturday
Mostly sunny, with a high near 46. Northwest wind 5 to 9 mph.
Saturday Night
Mostly clear, with a low around 25. Northwest wind 7 to 10 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 38.
Sunday Night
Clear, with a low around 19.
Monday
Sunny, with a high near 37.
Monday Night
Mostly clear, with a low around 21.
Tuesday
Mostly sunny, with a high near 53.
Tuesday Night
Mostly cloudy, with a low around 41.
Wednesday
A 20 percent chance of rain. Partly sunny, with a high near 62.
Wednesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 39.
Thursday
A 30 percent chance of rain. Partly sunny, with a high near 57.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lemay MO
 38.53°N 90.29°W (Elev. 456 ft)
Last Update:
5:01 pm CST Feb 19, 2026
Forecast Valid:
6pm CST Feb 19, 2026-6pm CST Feb 26, 2026
 
Forecast Discussion
 
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Additional Resources

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