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.

Mostly Cloudy

54°F

12°C

Humidity 72%
Wind Speed SW 5 mph
Barometer 29.79 in (1008.7 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill53°F (12°C)
Last update 8 Nov 7:53 pm CST
Extended Forecast for

Lemay MO

  • Tonight

    Tonight: A slight chance of rain before 10pm, then a chance of sprinkles between 10pm and 11pm. Mostly cloudy, with a low around 35. Southwest wind 7 to 17 mph becoming northwest after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 20%.

    Low: 35 °F

    Slight Chance
    Rain then
    Cloudy

  • Sunday

    Sunday: Scattered sprinkles before 7am, then scattered flurries. Cloudy through mid morning, then gradual clearing, with a temperature falling to around 35 by 5pm. Northwest wind 15 to 18 mph, with gusts as high as 30 mph.

    High: 40 °F⇓

    Scattered
    Sprinkles/Flurries
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: A chance of flurries. Partly cloudy, with a low around 25. Northwest wind 9 to 13 mph, with gusts as high as 21 mph.

    Low: 25 °F

    Chance
    Flurries

  • Monday

    Monday: Sunny, with a high near 41. Northwest wind 8 to 13 mph, with gusts as high as 23 mph.

    High: 41 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 26. West wind around 6 mph becoming calm.

    Low: 26 °F

    Mostly Clear

  • Veterans Day

    Veterans Day: Partly sunny, with a high near 56.

    High: 56 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

Detailed Forecast

Tonight
A slight chance of rain before 10pm, then a chance of sprinkles between 10pm and 11pm. Mostly cloudy, with a low around 35. Southwest wind 7 to 17 mph becoming northwest after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 20%.
Sunday
Scattered sprinkles before 7am, then scattered flurries. Cloudy through mid morning, then gradual clearing, with a temperature falling to around 35 by 5pm. Northwest wind 15 to 18 mph, with gusts as high as 30 mph.
Sunday Night
A chance of flurries. Partly cloudy, with a low around 25. Northwest wind 9 to 13 mph, with gusts as high as 21 mph.
Monday
Sunny, with a high near 41. Northwest wind 8 to 13 mph, with gusts as high as 23 mph.
Monday Night
Mostly clear, with a low around 26. West wind around 6 mph becoming calm.
Veterans Day
Partly sunny, with a high near 56.
Tuesday Night
Mostly clear, with a low around 42.
Wednesday
Sunny, with a high near 64.
Wednesday Night
Mostly clear, with a low around 37.
Thursday
Mostly sunny, with a high near 63.
Thursday Night
Partly cloudy, with a low around 47.
Friday
Sunny, with a high near 73.
Friday Night
Partly cloudy, with a low around 55.
Saturday
Mostly sunny, with a high near 75.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lemay MO
 38.53°N 90.26°W (Elev. 381 ft)
Last Update:
7:41 pm CST Nov 8, 2025
Forecast Valid:
8pm CST Nov 8, 2025-6pm CST Nov 15, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation