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.

Mostly Cloudy

43°F

6°C

Humidity 71%
Wind Speed SE 12 mph
Barometer 29.90 in (1013.3 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 6 Dec 6:51 pm CST
Extended Forecast for

Earth City MO

  • Tonight

    Tonight: A slight chance of rain between midnight and 2am. Cloudy, with a low around 34. South wind 3 to 7 mph. Chance of precipitation is 20%.

    Low: 34 °F

    Cloudy then
    Slight Chance
    Rain

  • Sunday

    Sunday: A slight chance of drizzle before 1pm. Cloudy, with a temperature rising to near 38 by 10am, then falling to around 31 during the remainder of the day. Light and variable wind becoming north 8 to 13 mph in the morning. Winds could gust as high as 21 mph.

    High: 38 °F⇓

    Slight Chance
    Drizzle

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 19. North wind 6 to 11 mph, with gusts as high as 20 mph.

    Low: 19 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 33. North wind around 5 mph becoming calm in the morning.

    High: 33 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Partly cloudy, with a low around 25. Light southeast wind becoming south 5 to 9 mph in the evening.

    Low: 25 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 40.

    Low: 40 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 47.

    High: 47 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy
    then Slight
    Chance Snow

Detailed Forecast

Tonight
A slight chance of rain between midnight and 2am. Cloudy, with a low around 34. South wind 3 to 7 mph. Chance of precipitation is 20%.
Sunday
A slight chance of drizzle before 1pm. Cloudy, with a temperature rising to near 38 by 10am, then falling to around 31 during the remainder of the day. Light and variable wind becoming north 8 to 13 mph in the morning. Winds could gust as high as 21 mph.
Sunday Night
Mostly cloudy, with a low around 19. North wind 6 to 11 mph, with gusts as high as 20 mph.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 33. North wind around 5 mph becoming calm in the morning.
Monday Night
Partly cloudy, with a low around 25. Light southeast wind becoming south 5 to 9 mph in the evening.
Tuesday
Mostly sunny, with a high near 51.
Tuesday Night
Mostly cloudy, with a low around 40.
Wednesday
Partly sunny, with a high near 47.
Wednesday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 28.
Thursday
A 30 percent chance of snow before noon. Mostly cloudy, with a high near 38.
Thursday Night
Mostly cloudy, with a low around 20.
Friday
Partly sunny, with a high near 27.
Friday Night
Partly cloudy, with a low around 10.
Saturday
Mostly sunny, with a high near 23.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Earth City MO
 38.78°N 90.48°W (Elev. 440 ft)
Last Update:
4:56 pm CST Dec 6, 2025
Forecast Valid:
7pm CST Dec 6, 2025-6pm CST Dec 13, 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