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

22°F

-6°C

Humidity 55%
Wind Speed NE 8 mph
Barometer 30.32 in (1028.3 mb)
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Wind Chill13°F (-11°C)
Last update 29 Jan 9:51 am CST
Extended Forecast for

Lambert-St. Louis International Airport MO

  • Today

    Today: A 20 percent chance of snow after 4pm. Cloudy, with a high near 22. Northeast wind around 7 mph.

    High: 22 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Tonight

    Tonight: Snow likely, mainly before 7pm. Mostly cloudy, with a low around 6. Northeast wind around 7 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 6 °F

    Snow Likely
    then Mostly
    Cloudy

  • Friday

    Friday: Partly sunny and cold, with a high near 17. North wind 6 to 11 mph.

    High: 17 °F

    Cold

  • Friday Night

    Friday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 3. Wind chill values as low as -10. North wind around 11 mph.

    Low: 3 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Sunny and cold, with a high near 17. Northwest wind 8 to 13 mph.

    High: 17 °F

    Cold

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 3.

    Low: 3 °F

    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of snow after noon. Partly sunny, with a high near 27.

    High: 27 °F

    Mostly Sunny
    then Slight
    Chance Snow

  • Sunday Night

    Sunday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 19.

    Low: 19 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 32.

    High: 32 °F

    Partly Sunny

Detailed Forecast

Today
A 20 percent chance of snow after 4pm. Cloudy, with a high near 22. Northeast wind around 7 mph.
Tonight
Snow likely, mainly before 7pm. Mostly cloudy, with a low around 6. Northeast wind around 7 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday
Partly sunny and cold, with a high near 17. North wind 6 to 11 mph.
Friday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 3. Wind chill values as low as -10. North wind around 11 mph.
Saturday
Sunny and cold, with a high near 17. Northwest wind 8 to 13 mph.
Saturday Night
Mostly clear, with a low around 3.
Sunday
A 20 percent chance of snow after noon. Partly sunny, with a high near 27.
Sunday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 19.
Monday
Partly sunny, with a high near 32.
Monday Night
Mostly cloudy, with a low around 20.
Tuesday
Mostly cloudy, with a high near 34.
Tuesday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 22.
Wednesday
A 30 percent chance of snow. Mostly cloudy, with a high near 35.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lambert-St. Louis International Airport MO
 38.76°N 90.37°W (Elev. 551 ft)
Last Update:
8:12 am CST Jan 29, 2026
Forecast Valid:
10am CST Jan 29, 2026-6pm CST Feb 4, 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