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.

Overcast

13°F

-11°C

Humidity 61%
Wind Speed SW 6 mph
Barometer 30.39 in (1031.1 mb)
Dewpoint 2°F (-17°C)
Visibility 10.00 mi
Wind Chill4°F (-16°C)
Last update 1 Feb 8:51 am CST
Extended Forecast for

Saint Louis MO

  • Today

    Today: A 40 percent chance of snow, mainly after 3pm. Cloudy, with a high near 29. South wind 5 to 9 mph.

    High: 29 °F

    Mostly Cloudy
    then Chance
    Snow

  • Tonight

    Tonight: A 40 percent chance of snow, mainly before 9pm. Cloudy, then gradually becoming partly cloudy, with a low around 18. South wind 5 to 7 mph becoming light and variable after midnight.

    Low: 18 °F

    Chance Snow
    then Mostly
    Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 38. West wind around 6 mph becoming calm in the afternoon.

    High: 38 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 27. Light east wind.

    Low: 27 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 35. Light and variable wind becoming north around 6 mph in the morning.

    High: 35 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 18.

    Low: 18 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 30.

    High: 30 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 15.

    Low: 15 °F

    Mostly Clear

  • Thursday

    Thursday: Partly sunny, with a high near 40.

    High: 40 °F

    Partly Sunny

Detailed Forecast

Today
A 40 percent chance of snow, mainly after 3pm. Cloudy, with a high near 29. South wind 5 to 9 mph.
Tonight
A 40 percent chance of snow, mainly before 9pm. Cloudy, then gradually becoming partly cloudy, with a low around 18. South wind 5 to 7 mph becoming light and variable after midnight.
Monday
Mostly sunny, with a high near 38. West wind around 6 mph becoming calm in the afternoon.
Monday Night
Mostly cloudy, with a low around 27. Light east wind.
Tuesday
Mostly cloudy, with a high near 35. Light and variable wind becoming north around 6 mph in the morning.
Tuesday Night
Mostly cloudy, with a low around 18.
Wednesday
Mostly sunny, with a high near 30.
Wednesday Night
Mostly clear, with a low around 15.
Thursday
Partly sunny, with a high near 40.
Thursday Night
Partly cloudy, with a low around 32.
Friday
Mostly sunny, with a high near 46.
Friday Night
Partly cloudy, with a low around 22.
Saturday
Mostly sunny, with a high near 34.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Saint Louis MO
 38.62°N 90.23°W (Elev. 489 ft)
Last Update:
6:46 am CST Feb 1, 2026
Forecast Valid:
9am CST Feb 1, 2026-6pm CST Feb 7, 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