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

66°F

19°C

Humidity 81%
Wind Speed SW 13 mph
Barometer 29.86 in (1010.1 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 10 Mar 1:51 am CDT
Extended Forecast for

Saint Louis MO

  • Overnight

    Overnight: Mostly clear, with a low around 62. South wind around 7 mph.

    Low: 62 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 83. South wind 6 to 15 mph, with gusts as high as 26 mph.

    High: 83 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3am. Mostly cloudy, with a low around 54. Southwest wind around 14 mph, with gusts as high as 28 mph. Chance of precipitation is 70%.

    Low: 54 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm before 1pm, then a chance of showers between 1pm and 2pm, then a chance of rain after 2pm. Temperature falling to around 51 by 5pm. Southwest wind 13 to 18 mph becoming northwest in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 100%.

    High: 69 °F⇓

    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 36. Northwest wind 6 to 15 mph, with gusts as high as 26 mph.

    Low: 36 °F

    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 65.

    High: 65 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 62. South wind around 7 mph.
Tuesday
Increasing clouds, with a high near 83. South wind 6 to 15 mph, with gusts as high as 26 mph.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3am. Mostly cloudy, with a low around 54. Southwest wind around 14 mph, with gusts as high as 28 mph. Chance of precipitation is 70%.
Wednesday
Showers and possibly a thunderstorm before 1pm, then a chance of showers between 1pm and 2pm, then a chance of rain after 2pm. Temperature falling to around 51 by 5pm. Southwest wind 13 to 18 mph becoming northwest in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 100%.
Wednesday Night
Mostly cloudy, with a low around 36. Northwest wind 6 to 15 mph, with gusts as high as 26 mph.
Thursday
Sunny, with a high near 56.
Thursday Night
Partly cloudy, with a low around 47.
Friday
Partly sunny, with a high near 65.
Friday Night
Mostly cloudy, with a low around 41.
Saturday
Mostly sunny, with a high near 69.
Saturday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 52.
Sunday
Rain likely. Mostly cloudy, with a high near 62. Chance of precipitation is 70%.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 25. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 37.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Louis MO
 38.62°N 90.26°W (Elev. 486 ft)
Last Update:
1:25 am CDT Mar 10, 2026
Forecast Valid:
2am CDT Mar 10, 2026-6pm CDT Mar 16, 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