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.

A Few Clouds

83°F

28°C

Humidity 53%
Wind Speed W 10 mph
Barometer 29.95 in (1012.8 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 13 Oct 10:51 am CDT
Extended Forecast for

Saint Louis MO

  • Today

    Today: Sunny, with a high near 94. Southwest wind around 8 mph.

    High: 94 °F

    Sunny

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5am. Increasing clouds, with a low around 72. South wind 5 to 7 mph becoming west after midnight. Chance of precipitation is 60%.

    Low: 72 °F

    Mostly Clear
    then Showers
    Likely

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm, mainly before 1pm, then a chance of showers and thunderstorms after 1pm. Patchy fog between 8am and 2pm. High near 78. Light and variable wind. Chance of precipitation is 90%.

    High: 78 °F

    Showers and
    Patchy Fog
    then Showers
    Likely and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 3am, then showers likely between 3am and 4am, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 68. Light and variable wind. Chance of precipitation is 70%.

    Low: 68 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Thursday

    Thursday: Showers and possibly a thunderstorm. High near 83. Light and variable wind becoming southwest 5 to 8 mph in the morning. Chance of precipitation is 90%.

    High: 83 °F

    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 52. Chance of precipitation is 40%.

    Low: 52 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

  • Friday Night

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

    Low: 42 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 94. Southwest wind around 8 mph.
Tonight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5am. Increasing clouds, with a low around 72. South wind 5 to 7 mph becoming west after midnight. Chance of precipitation is 60%.
Wednesday
Showers and possibly a thunderstorm, mainly before 1pm, then a chance of showers and thunderstorms after 1pm. Patchy fog between 8am and 2pm. High near 78. Light and variable wind. Chance of precipitation is 90%.
Wednesday Night
A chance of showers and thunderstorms before 3am, then showers likely between 3am and 4am, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 68. Light and variable wind. Chance of precipitation is 70%.
Thursday
Showers and possibly a thunderstorm. High near 83. Light and variable wind becoming southwest 5 to 8 mph in the morning. Chance of precipitation is 90%.
Thursday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 52. Chance of precipitation is 40%.
Friday
Mostly sunny, with a high near 61.
Friday Night
Mostly clear, with a low around 42.
Saturday
Sunny, with a high near 63.
Saturday Night
Clear, with a low around 42.
Sunday
Sunny, with a high near 71.
Sunday Night
Partly cloudy, with a low around 50.
Monday
Mostly sunny, with a high near 76.
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Louis MO
 38.64°N 90.23°W (Elev. 538 ft)
Last Update:
11:26 am CDT Oct 13, 2026
Forecast Valid:
11am CDT Oct 13, 2026-6pm CDT Oct 19, 2026
 
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