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

26°F

-3°C

Humidity 57%
Wind Speed NW 17 G 32 mph
Barometer 30.07 in (1019.5 mb)
Dewpoint 13°F (-11°C)
Visibility 10.00 mi
Wind Chill13°F (-11°C)
Last update 16 Mar 4:51 pm CDT
Extended Forecast for

Saint Louis MO

  • This Afternoon

    This Afternoon: A chance of flurries. Sunny, with a high near 29. West wind around 8 mph, with gusts as high as 21 mph.

    High: 29 °F

    Chance
    Flurries

  • Tonight

    Tonight: Scattered flurries before 8pm. Mostly cloudy, with a low around 16. Northwest wind 13 to 17 mph, with gusts as high as 26 mph.

    Low: 16 °F

    Scattered
    Flurries

  • Tuesday

    Tuesday: Increasing clouds, with a high near 36. Northwest wind 6 to 9 mph becoming south in the afternoon.

    High: 36 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A chance of snow before 4am, then a slight chance of rain. Cloudy, with a low around 32. Southeast wind 7 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.

    Low: 32 °F

    Chance Snow
    then Slight
    Chance
    Rain/Snow

  • Wednesday

    Wednesday: Mostly sunny, with a high near 65. South wind 8 to 10 mph becoming west in the afternoon.

    High: 65 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 45.

    Low: 45 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A chance of flurries. Sunny, with a high near 29. West wind around 8 mph, with gusts as high as 21 mph.
Tonight
Scattered flurries before 8pm. Mostly cloudy, with a low around 16. Northwest wind 13 to 17 mph, with gusts as high as 26 mph.
Tuesday
Increasing clouds, with a high near 36. Northwest wind 6 to 9 mph becoming south in the afternoon.
Tuesday Night
A chance of snow before 4am, then a slight chance of rain. Cloudy, with a low around 32. Southeast wind 7 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.
Wednesday
Mostly sunny, with a high near 65. South wind 8 to 10 mph becoming west in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 45.
Thursday
Mostly sunny, with a high near 74.
Thursday Night
Partly cloudy, with a low around 48.
Friday
Mostly sunny, with a high near 78.
Friday Night
Partly cloudy, with a low around 54.
Saturday
Sunny, with a high near 79.
Saturday Night
Mostly clear, with a low around 52.
Sunday
Sunny, with a high near 73.
Sunday Night
Partly cloudy, with a low around 41.
Monday
Mostly sunny, with a high near 56.
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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:
5:31 pm CDT Mar 16, 2026
Forecast Valid:
5pm CDT Mar 16, 2026-6pm CDT Mar 23, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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