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

Hazardous Weather Conditions

Current conditions at

St. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

A Few Clouds

73°F

23°C

Humidity 33%
Wind Speed N 3 mph
Barometer 30.13 in (1019.9 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 11 May 7:51 pm CDT
Extended Forecast for

Saint Louis MO

  • Tonight

    Tonight: Clear, with a low around 54. Light and variable wind.

    Low: 54 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 84. Southwest wind 6 to 14 mph, with gusts as high as 23 mph.

    High: 84 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 2am. Mostly cloudy, then gradual clearing toward daybreak, with a low around 59. Southwest wind 7 to 10 mph becoming northwest after midnight. Chance of precipitation is 40%.

    Low: 59 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Sunny, with a high near 76. Northwest wind 8 to 14 mph, with gusts as high as 24 mph.

    High: 76 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 51. Northwest wind 5 to 9 mph becoming calm in the evening.

    Low: 51 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 87.

    High: 87 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 66.

    Low: 66 °F

    Chance
    Showers

Detailed Forecast

Tonight
Clear, with a low around 54. Light and variable wind.
Tuesday
Sunny, with a high near 84. Southwest wind 6 to 14 mph, with gusts as high as 23 mph.
Tuesday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 2am. Mostly cloudy, then gradual clearing toward daybreak, with a low around 59. Southwest wind 7 to 10 mph becoming northwest after midnight. Chance of precipitation is 40%.
Wednesday
Sunny, with a high near 76. Northwest wind 8 to 14 mph, with gusts as high as 24 mph.
Wednesday Night
Clear, with a low around 51. Northwest wind 5 to 9 mph becoming calm in the evening.
Thursday
Sunny, with a high near 75.
Thursday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 57.
Friday
A 50 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 87.
Friday Night
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 66.
Saturday
A 20 percent chance of showers. Mostly sunny, with a high near 91.
Saturday Night
A 20 percent chance of showers. Partly cloudy, with a low around 68.
Sunday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
Sunday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Monday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Saint Louis MO
 38.64°N 90.23°W (Elev. 538 ft)
Last Update:
6:01 pm CDT May 11, 2026
Forecast Valid:
8pm CDT May 11, 2026-6pm CDT May 18, 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