National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

St. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Overcast

53°F

12°C

Humidity 80%
Wind Speed SE 6 mph
Barometer 29.99 in (1015.9 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 24 Nov 1:51 pm CST
Extended Forecast for

Clayton MO

  • This Afternoon

    This Afternoon: A 50 percent chance of rain. Cloudy, with a high near 52. Southeast wind around 7 mph.

    High: 52 °F

    Chance Rain

  • Tonight

    Tonight: Rain, mainly before 5am. Patchy fog after 7pm. Low around 51. Southeast wind 5 to 7 mph becoming light and variable after midnight. Chance of precipitation is 100%.

    Low: 51 °F

    Rain and
    Patchy Fog

  • Tuesday

    Tuesday: A 20 percent chance of rain after noon. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 58. Calm wind becoming west 5 to 7 mph in the morning.

    High: 58 °F

    Patchy Fog
    then Slight
    Chance Rain

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 36. West wind 6 to 14 mph, with gusts as high as 24 mph.

    Low: 36 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 45. West wind 10 to 16 mph, with gusts as high as 29 mph.

    High: 45 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 29.

    Low: 29 °F

    Mostly Clear

  • Thanksgiving Day

    Thanksgiving Day: Sunny, with a high near 43.

    High: 43 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 25.

    Low: 25 °F

    Mostly Clear

  • Friday

    Friday: Partly sunny, with a high near 41.

    High: 41 °F

    Partly Sunny

Detailed Forecast

This Afternoon
A 50 percent chance of rain. Cloudy, with a high near 52. Southeast wind around 7 mph.
Tonight
Rain, mainly before 5am. Patchy fog after 7pm. Low around 51. Southeast wind 5 to 7 mph becoming light and variable after midnight. Chance of precipitation is 100%.
Tuesday
A 20 percent chance of rain after noon. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 58. Calm wind becoming west 5 to 7 mph in the morning.
Tuesday Night
Partly cloudy, with a low around 36. West wind 6 to 14 mph, with gusts as high as 24 mph.
Wednesday
Mostly sunny, with a high near 45. West wind 10 to 16 mph, with gusts as high as 29 mph.
Wednesday Night
Mostly clear, with a low around 29.
Thanksgiving Day
Sunny, with a high near 43.
Thursday Night
Mostly clear, with a low around 25.
Friday
Partly sunny, with a high near 41.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 30. Chance of precipitation is 50%.
Saturday
Rain likely, possibly mixed with snow. Cloudy, with a high near 41. Chance of precipitation is 70%.
Saturday Night
Rain likely. Cloudy, with a low around 37. Chance of precipitation is 60%.
Sunday
A 50 percent chance of rain. Cloudy, with a high near 47.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Clayton MO
 38.64°N 90.34°W (Elev. 522 ft)
Last Update:
10:51 am CST Nov 24, 2025
Forecast Valid:
2pm CST Nov 24, 2025-6pm CST Nov 30, 2025
 
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