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.

A Few Clouds

5°F

-15°C

Humidity 38%
Wind Speed NW 10 G 22 mph
Barometer 30.71 in (1042.3 mb)
Dewpoint -15°F (-26°C)
Visibility 10.00 mi
Wind Chill-10°F (-23°C)
Last update 21 Jan 10:51 am CST
Extended Forecast for

Saint Louis MO

Cold Weather Advisory January 21, 11:46am until January 21, 12:00pm
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory January 21, 11:46am until January 21, 12:00pm

    NOW until 12:00pm Tue

    Cold Weather Advisory

  • Today

    High: 12 °F

    Cold

  • Tonight

    Tonight: Increasing clouds, with a low around 6. Light southwest wind becoming south 5 to 10 mph in the evening.

    Low: 6 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Cloudy, then gradually becoming mostly sunny, with a high near 34. South wind 8 to 14 mph, with gusts as high as 24 mph.

    High: 34 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: A chance of flurries after 11pm. Mostly cloudy, with a low around 25. South wind 6 to 8 mph becoming west after midnight.

    Low: 25 °F

    Chance
    Flurries

  • Thursday

    Thursday: Partly sunny, with a high near 32. Northwest wind 6 to 9 mph.

    High: 32 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 14.

    Low: 14 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 32.

    High: 32 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

Detailed Forecast

Today
Sunny and cold, with a high near 12. Northwest wind 5 to 10 mph becoming light west in the afternoon.
Tonight
Increasing clouds, with a low around 6. Light southwest wind becoming south 5 to 10 mph in the evening.
Wednesday
Cloudy, then gradually becoming mostly sunny, with a high near 34. South wind 8 to 14 mph, with gusts as high as 24 mph.
Wednesday Night
A chance of flurries after 11pm. Mostly cloudy, with a low around 25. South wind 6 to 8 mph becoming west after midnight.
Thursday
Partly sunny, with a high near 32. Northwest wind 6 to 9 mph.
Thursday Night
Partly cloudy, with a low around 14.
Friday
Sunny, with a high near 32.
Friday Night
Partly cloudy, with a low around 25.
Saturday
Partly sunny, with a high near 48.
Saturday Night
A 20 percent chance of rain. Cloudy, with a low around 30.
Sunday
A slight chance of rain and snow. Mostly cloudy, with a high near 39. Chance of precipitation is 20%.
Sunday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 23.
Monday
Mostly sunny, with a high near 38.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Saint Louis MO
 38.64°N 90.23°W (Elev. 538 ft)
Last Update:
11:22 am CST Jan 21, 2025
Forecast Valid:
11am CST Jan 21, 2025-6pm CST Jan 27, 2025
 
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