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.

Light Snow

22°F

-6°C

Humidity 52%
Wind Speed W 18 G 26 mph
Barometer 30.19 in (1023.7 mb)
Dewpoint 7°F (-14°C)
Visibility 9.00 mi
Wind Chill8°F (-13°C)
Last update 17 Jan 2:51 pm CST
Extended Forecast for

Saint Louis MO

  • This Afternoon

    This Afternoon: A chance of flurries before 4pm, then a slight chance of snow showers between 4pm and 5pm, then a chance of flurries after 5pm. Mostly cloudy, with a high near 25. West wind around 14 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    High: 25 °F

    Slight Chance
    Snow Showers

  • Tonight

    Tonight: A chance of flurries before 9pm. Mostly cloudy, with a low around 14. West wind 6 to 11 mph, with gusts as high as 20 mph.

    Low: 14 °F

    Chance
    Flurries

  • Sunday

    Sunday: A chance of flurries after 10am, mixing with sprinkles after 5pm. Partly sunny, with a high near 36. Southwest wind 6 to 11 mph, with gusts as high as 21 mph.

    High: 36 °F

    Mostly Sunny
    then Chance
    Sprinkles/Flurries

  • Sunday Night

    Sunday Night: A chance of flurries before 9pm. Partly cloudy, with a low around 13. Northwest wind 8 to 15 mph, with gusts as high as 26 mph.

    Low: 13 °F

    Chance
    Flurries

  • M.L.King Day

    M.L.King Day: Mostly sunny, with a high near 22. Northwest wind 7 to 15 mph, with gusts as high as 26 mph.

    High: 22 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 12.

    Low: 12 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 38.

    High: 38 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 45.

    High: 45 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A chance of flurries before 4pm, then a slight chance of snow showers between 4pm and 5pm, then a chance of flurries after 5pm. Mostly cloudy, with a high near 25. West wind around 14 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Tonight
A chance of flurries before 9pm. Mostly cloudy, with a low around 14. West wind 6 to 11 mph, with gusts as high as 20 mph.
Sunday
A chance of flurries after 10am, mixing with sprinkles after 5pm. Partly sunny, with a high near 36. Southwest wind 6 to 11 mph, with gusts as high as 21 mph.
Sunday Night
A chance of flurries before 9pm. Partly cloudy, with a low around 13. Northwest wind 8 to 15 mph, with gusts as high as 26 mph.
M.L.King Day
Mostly sunny, with a high near 22. Northwest wind 7 to 15 mph, with gusts as high as 26 mph.
Monday Night
Mostly clear, with a low around 12.
Tuesday
Mostly sunny, with a high near 38.
Tuesday Night
Partly cloudy, with a low around 29.
Wednesday
Mostly sunny, with a high near 45.
Wednesday Night
Partly cloudy, with a low around 23.
Thursday
Sunny, with a high near 38.
Thursday Night
Partly cloudy, with a low around 25.
Friday
Mostly sunny, with a high near 44.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 23. Chance of precipitation is 30%.
Saturday
A 40 percent chance of snow. Mostly cloudy, with a high near 31.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Saint Louis MO
 38.64°N 90.26°W (Elev. 499 ft)
Last Update:
3:16 pm CST Jan 17, 2026
Forecast Valid:
3pm CST Jan 17, 2026-6pm CST Jan 24, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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