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

40°F

4°C

Humidity 83%
Wind Speed NW 15 mph
Barometer 30.08 in (1019.1 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 7 Dec 10:51 am CST
Extended Forecast for

Saint Louis MO

  • Today

    Today: Cloudy, with a temperature falling to around 33 by 4pm. North wind 9 to 11 mph, with gusts as high as 21 mph.

    High: 42 °F⇓

    Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 23. North wind 5 to 10 mph.

    Low: 23 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 34. North wind around 5 mph becoming calm in the morning.

    High: 34 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 28. Calm wind becoming south 5 to 8 mph in the evening.

    Low: 28 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 53. Southwest wind 9 to 11 mph, with gusts as high as 21 mph.

    High: 53 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 49.

    High: 49 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of rain and snow after midnight. Mostly cloudy, with a low around 29. Chance of precipitation is 20%.

    Low: 29 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Thursday

    Thursday: A chance of rain and snow before noon, then a slight chance of rain. Mostly cloudy, with a high near 38. Chance of precipitation is 30%.

    High: 38 °F

    Chance
    Rain/Snow
    then Slight
    Chance Rain

Detailed Forecast

Today
Cloudy, with a temperature falling to around 33 by 4pm. North wind 9 to 11 mph, with gusts as high as 21 mph.
Tonight
Mostly cloudy, with a low around 23. North wind 5 to 10 mph.
Monday
Partly sunny, with a high near 34. North wind around 5 mph becoming calm in the morning.
Monday Night
Partly cloudy, with a low around 28. Calm wind becoming south 5 to 8 mph in the evening.
Tuesday
Mostly sunny, with a high near 53. Southwest wind 9 to 11 mph, with gusts as high as 21 mph.
Tuesday Night
Mostly cloudy, with a low around 42.
Wednesday
Partly sunny, with a high near 49.
Wednesday Night
A slight chance of rain and snow after midnight. Mostly cloudy, with a low around 29. Chance of precipitation is 20%.
Thursday
A chance of rain and snow before noon, then a slight chance of rain. Mostly cloudy, with a high near 38. Chance of precipitation is 30%.
Thursday Night
Mostly cloudy, with a low around 18.
Friday
Mostly sunny, with a high near 26.
Friday Night
Mostly cloudy, with a low around 8.
Saturday
Partly sunny, with a high near 22.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Louis MO
 38.64°N 90.23°W (Elev. 538 ft)
Last Update:
11:06 am CST Dec 7, 2025
Forecast Valid:
11am CST Dec 7, 2025-6pm CST Dec 13, 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