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.

Overcast

36°F

2°C

Humidity 62%
Wind Speed NW 17 G 32 mph
Barometer 29.90 in (1013.0 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 10 Dec 1:51 pm CST
Extended Forecast for

Saint Louis MO

  • This Afternoon

    This Afternoon: Cloudy, with a steady temperature around 36. Northwest wind 13 to 18 mph, with gusts as high as 30 mph.

    High: 36 °F

    Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 27. Northwest wind 6 to 13 mph, with gusts as high as 21 mph.

    Low: 27 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 20 percent chance of snow after 5pm. Mostly cloudy, with a high near 35. Light and variable wind becoming southeast 5 to 7 mph in the afternoon.

    High: 35 °F

    Partly Sunny
    then Slight
    Chance Snow

  • Thursday Night

    Thursday Night: A slight chance of snow before 8pm, then a slight chance of rain between 8pm and 9pm. Mostly cloudy, with a low around 34. South wind around 7 mph becoming northwest after midnight. Chance of precipitation is 20%.

    Low: 34 °F

    Slight Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Friday

    Friday: Partly sunny, with a high near 40. Northwest wind 6 to 10 mph.

    High: 40 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 22.

    Low: 22 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 30 percent chance of snow after noon. Mostly cloudy, with a high near 29.

    High: 29 °F

    Mostly Cloudy
    then Chance
    Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 6.

    Low: 6 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny and cold, with a high near 19.

    High: 19 °F

    Cold

Detailed Forecast

This Afternoon
Cloudy, with a steady temperature around 36. Northwest wind 13 to 18 mph, with gusts as high as 30 mph.
Tonight
Mostly cloudy, with a low around 27. Northwest wind 6 to 13 mph, with gusts as high as 21 mph.
Thursday
A 20 percent chance of snow after 5pm. Mostly cloudy, with a high near 35. Light and variable wind becoming southeast 5 to 7 mph in the afternoon.
Thursday Night
A slight chance of snow before 8pm, then a slight chance of rain between 8pm and 9pm. Mostly cloudy, with a low around 34. South wind around 7 mph becoming northwest after midnight. Chance of precipitation is 20%.
Friday
Partly sunny, with a high near 40. Northwest wind 6 to 10 mph.
Friday Night
Mostly cloudy, with a low around 22.
Saturday
A 30 percent chance of snow after noon. Mostly cloudy, with a high near 29.
Saturday Night
Mostly cloudy, with a low around 6.
Sunday
Sunny and cold, with a high near 19.
Sunday Night
Mostly clear, with a low around 11.
Monday
Mostly sunny, with a high near 40.
Monday Night
Mostly cloudy, with a low around 28.
Tuesday
Partly sunny, with a high near 45.
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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:
1:56 pm CST Dec 10, 2025
Forecast Valid:
2pm CST Dec 10, 2025-6pm CST Dec 16, 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