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.

Fair

55°F

13°C

Humidity 51%
Wind Speed S 9 mph
Barometer 29.88 in (1011.7 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill53°F (12°C)
Last update 9 Mar 1:51 am CDT
Extended Forecast for

Earth City MO

  • Overnight

    Overnight: Clear, with a low around 49. South wind around 7 mph.

    Low: 49 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 82. South wind 7 to 13 mph, with gusts as high as 22 mph.

    High: 82 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 60. South wind 7 to 9 mph.

    Low: 60 °F

    Mostly Clear

  • Tuesday

    Tuesday: A slight chance of rain and thunderstorms before 1pm, then a chance of rain between 1pm and 4pm, then a chance of rain and thunderstorms after 4pm. Increasing clouds, with a high near 84. South wind 6 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.

    High: 84 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Rain and possibly a thunderstorm. Low around 54. South wind around 11 mph, with gusts as high as 23 mph. Chance of precipitation is 90%.

    Low: 54 °F

    Rain Likely
    then Rain

  • Wednesday

    Wednesday: Rain and possibly a thunderstorm. Temperature rising to near 63 by 10am, then falling to around 50 during the remainder of the day. Chance of precipitation is 100%.

    High: 63 °F⇓

    Rain

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 46.

    Low: 46 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Clear, with a low around 49. South wind around 7 mph.
Monday
Sunny, with a high near 82. South wind 7 to 13 mph, with gusts as high as 22 mph.
Monday Night
Mostly clear, with a low around 60. South wind 7 to 9 mph.
Tuesday
A slight chance of rain and thunderstorms before 1pm, then a chance of rain between 1pm and 4pm, then a chance of rain and thunderstorms after 4pm. Increasing clouds, with a high near 84. South wind 6 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.
Tuesday Night
Rain and possibly a thunderstorm. Low around 54. South wind around 11 mph, with gusts as high as 23 mph. Chance of precipitation is 90%.
Wednesday
Rain and possibly a thunderstorm. Temperature rising to near 63 by 10am, then falling to around 50 during the remainder of the day. Chance of precipitation is 100%.
Wednesday Night
Mostly cloudy, with a low around 34.
Thursday
Sunny, with a high near 56.
Thursday Night
Mostly cloudy, with a low around 46.
Friday
Partly sunny, with a high near 65.
Friday Night
Mostly cloudy, with a low around 40.
Saturday
Mostly sunny, with a high near 68.
Saturday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 50.
Sunday
A 50 percent chance of rain and thunderstorms. Mostly cloudy, with a high near 70.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Earth City MO
 38.76°N 90.48°W (Elev. 430 ft)
Last Update:
1:26 am CDT Mar 9, 2026
Forecast Valid:
2am CDT Mar 9, 2026-6pm CDT Mar 15, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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