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.

Mostly Cloudy

37°F

3°C

Humidity 57%
Wind Speed Calm
Barometer 30.31 in (1027.5 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Last update 11 Feb 6:51 pm CST
Extended Forecast for

Saint Louis MO

  • Tonight

    Tonight: Partly cloudy, with a low around 33. Calm wind.

    Low: 33 °F

    Partly Cloudy

  • Thursday

    Thursday: Increasing clouds, with a high near 52. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 52 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 33. Southeast wind around 5 mph becoming calm in the evening.

    Low: 33 °F

    Mostly Cloudy

  • Friday

    Friday: Sunny, with a high near 58. South wind 3 to 6 mph.

    High: 58 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 38. Light south wind.

    Low: 38 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 50 percent chance of rain. Cloudy, with a high near 53.

    High: 53 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Rain likely, mainly before midnight. Mostly cloudy, with a low around 43. Chance of precipitation is 60%.

    Low: 43 °F

    Rain Likely

  • Sunday

    Sunday: A 30 percent chance of rain before noon. Mostly sunny, with a high near 57.

    High: 57 °F

    Chance Rain
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 33. Calm wind.
Thursday
Increasing clouds, with a high near 52. Calm wind becoming southeast around 6 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 33. Southeast wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 58. South wind 3 to 6 mph.
Friday Night
Mostly cloudy, with a low around 38. Light south wind.
Saturday
A 50 percent chance of rain. Cloudy, with a high near 53.
Saturday Night
Rain likely, mainly before midnight. Mostly cloudy, with a low around 43. Chance of precipitation is 60%.
Sunday
A 30 percent chance of rain before noon. Mostly sunny, with a high near 57.
Sunday Night
Mostly clear, with a low around 37.
Washington's Birthday
Mostly sunny, with a high near 61.
Monday Night
Mostly cloudy, with a low around 46.
Tuesday
Mostly cloudy, with a high near 65.
Tuesday Night
Mostly cloudy, with a low around 53.
Wednesday
A 20 percent chance of rain. Mostly sunny, with a high near 69.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Louis MO
 38.64°N 90.23°W (Elev. 538 ft)
Last Update:
4:16 pm CST Feb 11, 2026
Forecast Valid:
7pm CST Feb 11, 2026-6pm CST Feb 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