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

60°F

16°C

Humidity 25%
Wind Speed S 7 mph
Barometer 29.90 in (1012.6 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Last update 8 Mar 8:51 pm CDT
Extended Forecast for

Saint Louis MO

  • Tonight

    Tonight: Clear, with a low around 47. South wind around 7 mph.

    Low: 47 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 77. South wind 6 to 14 mph, with gusts as high as 29 mph.

    High: 77 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 61. South wind 7 to 9 mph.

    Low: 61 °F

    Mostly Clear

  • Tuesday

    Tuesday: A slight chance of showers, then a chance of showers and thunderstorms after 10am. Increasing clouds, with a high near 82. South wind 6 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.

    High: 82 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 53. South wind 11 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 100%.

    Low: 53 °F

    Showers

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. High near 66. Chance of precipitation is 100%.

    High: 66 °F

    Showers

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 39.

    Low: 39 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: Sunny, with a high near 55.

    High: 55 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 47. South wind around 7 mph.
Monday
Sunny, with a high near 77. South wind 6 to 14 mph, with gusts as high as 29 mph.
Monday Night
Mostly clear, with a low around 61. South wind 7 to 9 mph.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after 10am. Increasing clouds, with a high near 82. South wind 6 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.
Tuesday Night
Showers and possibly a thunderstorm. Low around 53. South wind 11 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 100%.
Wednesday
Showers and possibly a thunderstorm. High near 66. Chance of precipitation is 100%.
Wednesday Night
A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 39.
Thursday
Sunny, with a high near 55.
Thursday Night
Partly cloudy, with a low around 45.
Friday
Mostly sunny, with a high near 65.
Friday Night
Mostly cloudy, with a low around 40.
Saturday
Partly sunny, with a high near 60.
Saturday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 44.
Sunday
A 50 percent chance of showers. Mostly cloudy, with a high near 65.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Louis MO
 38.64°N 90.26°W (Elev. 499 ft)
Last Update:
6:16 pm CDT Mar 8, 2026
Forecast Valid:
9pm CDT Mar 8, 2026-6pm CDT Mar 15, 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