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

82°F

28°C

Humidity 32%
Wind Speed SE 10 mph
Barometer 29.94 in (1013.2 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 29 Sep 3:51 pm CDT
Extended Forecast for

Overland MO

  • Tonight

    Tonight: Mostly cloudy, with a low around 69. South wind around 7 mph.

    Low: 69 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Cloudy, then gradually becoming mostly sunny, with a high near 90. Southwest wind 6 to 9 mph, with gusts as high as 20 mph.

    High: 90 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 75. South wind 7 to 9 mph, with gusts as high as 21 mph.

    Low: 75 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 4pm. Mostly cloudy, with a high near 88. South wind 8 to 10 mph. Chance of precipitation is 40%.

    High: 88 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 1am, then showers between 1am and 4am, then showers and possibly a thunderstorm after 4am. Low around 68. Southwest wind 5 to 7 mph. Chance of precipitation is 80%.

    Low: 68 °F

    Chance
    Showers then
    Showers

  • Friday

    Friday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers. Mostly cloudy, with a high near 72. Chance of precipitation is 70%.

    High: 72 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 58.

    Low: 58 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers. Partly sunny, with a high near 68.

    High: 68 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 56.

    Low: 56 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 69. South wind around 7 mph.
Wednesday
Cloudy, then gradually becoming mostly sunny, with a high near 90. Southwest wind 6 to 9 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly cloudy, with a low around 75. South wind 7 to 9 mph, with gusts as high as 21 mph.
Thursday
A chance of showers, with thunderstorms also possible after 4pm. Mostly cloudy, with a high near 88. South wind 8 to 10 mph. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms before 1am, then showers between 1am and 4am, then showers and possibly a thunderstorm after 4am. Low around 68. Southwest wind 5 to 7 mph. Chance of precipitation is 80%.
Friday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers. Mostly cloudy, with a high near 72. Chance of precipitation is 70%.
Friday Night
Mostly cloudy, with a low around 58.
Saturday
A 20 percent chance of showers. Partly sunny, with a high near 68.
Saturday Night
Mostly cloudy, with a low around 56.
Sunday
Sunny, with a high near 70.
Sunday Night
Mostly clear, with a low around 52.
Monday
Sunny, with a high near 68.
Monday Night
Mostly clear, with a low around 51.
Tuesday
Sunny, with a high near 69.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Overland MO
 38.69°N 90.37°W (Elev. 600 ft)
Last Update:
1:26 pm CDT Sep 29, 2026
Forecast Valid:
4pm CDT Sep 29, 2026-6pm CDT Oct 6, 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