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.

Fog/Mist

54°F

12°C

Humidity 97%
Wind Speed Calm
Barometer 29.99 in (1015.4 mb)
Dewpoint 53°F (12°C)
Visibility 6.00 mi
Last update 4 Mar 8:51 pm CST
Extended Forecast for

Saint Louis MO

  • Tonight

    Tonight: Showers and thunderstorms before 2am, then showers and possibly a thunderstorm, mainly after 2am. Patchy fog. Low around 55. Light and variable wind. Chance of precipitation is 80%.

    Low: 55 °F

    T-storms and
    Patchy Fog

  • Thursday

    Thursday: Scattered showers and thunderstorms before 7am, then scattered showers between 7am and 9am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 68. West wind 5 to 7 mph becoming calm in the afternoon. Chance of precipitation is 50%.

    High: 68 °F

    Scattered
    Showers and
    Patchy Fog
    then Mostly
    Cloudy

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before midnight, then showers likely and possibly a thunderstorm between midnight and 3am, then a slight chance of showers and thunderstorms after 3am. Mostly cloudy, with a low around 58. Calm wind becoming south 5 to 7 mph after midnight. Chance of precipitation is 60%.

    Low: 58 °F

    Showers
    Likely

  • Friday

    Friday: Isolated showers. Partly sunny, with a high near 79. South wind 8 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.

    High: 79 °F

    Isolated
    Showers

  • Friday Night

    Friday Night: Scattered showers and thunderstorms, then showers and possibly a thunderstorm after midnight. Low around 57. South wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 90%.

    Low: 57 °F

    Scattered
    T-storms then
    Showers

  • Saturday

    Saturday: Scattered showers before noon. Mostly cloudy, with a high near 67. Chance of precipitation is 50%.

    High: 67 °F

    Scattered
    Showers then
    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

Detailed Forecast

Tonight
Showers and thunderstorms before 2am, then showers and possibly a thunderstorm, mainly after 2am. Patchy fog. Low around 55. Light and variable wind. Chance of precipitation is 80%.
Thursday
Scattered showers and thunderstorms before 7am, then scattered showers between 7am and 9am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 68. West wind 5 to 7 mph becoming calm in the afternoon. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms before midnight, then showers likely and possibly a thunderstorm between midnight and 3am, then a slight chance of showers and thunderstorms after 3am. Mostly cloudy, with a low around 58. Calm wind becoming south 5 to 7 mph after midnight. Chance of precipitation is 60%.
Friday
Isolated showers. Partly sunny, with a high near 79. South wind 8 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.
Friday Night
Scattered showers and thunderstorms, then showers and possibly a thunderstorm after midnight. Low around 57. South wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 90%.
Saturday
Scattered showers before noon. Mostly cloudy, with a high near 67. Chance of precipitation is 50%.
Saturday Night
Mostly cloudy, with a low around 42.
Sunday
Sunny, with a high near 66.
Sunday Night
Mostly clear, with a low around 50.
Monday
Sunny, with a high near 78.
Monday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 62.
Tuesday
Showers and possibly a thunderstorm. High near 78. Chance of precipitation is 80%.
Tuesday Night
Showers and possibly a thunderstorm. Low around 49. Chance of precipitation is 90%.
Wednesday
Showers likely. Mostly cloudy, with a high near 59. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Louis MO
 38.64°N 90.26°W (Elev. 499 ft)
Last Update:
8:47 pm CST Mar 4, 2026
Forecast Valid:
9pm CST Mar 4, 2026-6pm CDT Mar 11, 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