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.

Light Snow

15°F

-9°C

Humidity 80%
Wind Speed N 13 mph
Barometer 30.34 in (1028.7 mb)
Dewpoint 10°F (-12°C)
Visibility 8.00 mi
Wind Chill1°F (-17°C)
Last update 13 Dec 4:51 pm CST
Extended Forecast for

Saint Louis MO

Cold Weather Advisory December 13, 09:00pm until December 14, 12:00pm
Click here for hazard details and duration
Cold Weather Advisory

  • This Afternoon

    This Afternoon: A 30 percent chance of snow. Cloudy and cold, with a steady temperature around 17. North wind around 9 mph.

    High: 17 °F

    Chance Snow

  • Tonight

    Tonight: A chance of flurries before 7pm. Cloudy during the early evening, then gradual clearing, with a low around 6. Northwest wind 10 to 13 mph, with gusts as high as 22 mph.

    Low: 6 °F

    Chance
    Flurries

  • Sunday

    Sunday: Sunny and cold, with a high near 16. Northwest wind 6 to 11 mph becoming light north in the afternoon. Winds could gust as high as 21 mph.

    High: 16 °F

    Cold

  • Sunday Night

    Sunday Night: Clear, with a low around 10. Light and variable wind becoming south 5 to 8 mph after midnight.

    Low: 10 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 42. Southwest wind 7 to 10 mph, with gusts as high as 21 mph.

    High: 42 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 28.

    Low: 28 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 51.

    High: 51 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 55.

    High: 55 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of snow. Cloudy and cold, with a steady temperature around 17. North wind around 9 mph.
Tonight
A chance of flurries before 7pm. Cloudy during the early evening, then gradual clearing, with a low around 6. Northwest wind 10 to 13 mph, with gusts as high as 22 mph.
Sunday
Sunny and cold, with a high near 16. Northwest wind 6 to 11 mph becoming light north in the afternoon. Winds could gust as high as 21 mph.
Sunday Night
Clear, with a low around 10. Light and variable wind becoming south 5 to 8 mph after midnight.
Monday
Sunny, with a high near 42. Southwest wind 7 to 10 mph, with gusts as high as 21 mph.
Monday Night
Mostly clear, with a low around 28.
Tuesday
Sunny, with a high near 51.
Tuesday Night
Mostly cloudy, with a low around 37.
Wednesday
Mostly sunny, with a high near 55.
Wednesday Night
A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 45.
Thursday
A 40 percent chance of rain. Partly sunny, with a high near 58.
Thursday Night
Partly cloudy, with a low around 27.
Friday
Mostly sunny, with a high near 41.
Friday Night
Mostly cloudy, with a low around 36.
Saturday
A 20 percent chance of rain. Partly sunny, with a high near 56.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Saint Louis MO
 38.64°N 90.23°W (Elev. 538 ft)
Last Update:
5:01 pm CST Dec 13, 2025
Forecast Valid:
5pm CST Dec 13, 2025-6pm CST Dec 20, 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