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.

A Few Clouds and Breezy

38°F

3°C

Humidity 44%
Wind Speed NW 23 G 39 mph
Barometer 29.97 in (1015.2 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 14 Jan 1:51 pm CST
Extended Forecast for

Saint Louis MO

  • This Afternoon

    This Afternoon: Sunny, with a high near 40. Breezy, with a northwest wind 17 to 21 mph, with gusts as high as 36 mph.

    High: 40 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Clear, with a low around 19. Northwest wind 8 to 16 mph, with gusts as high as 26 mph.

    Low: 19 °F

    Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 36. Northwest wind 6 to 8 mph becoming south in the afternoon.

    High: 36 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: A 40 percent chance of snow, mainly before midnight. Cloudy, then gradually becoming partly cloudy, with a low around 30. South wind 6 to 10 mph becoming west after midnight. Winds could gust as high as 20 mph.

    Low: 30 °F

    Chance Snow

  • Friday

    Friday: Partly sunny, with a high near 45. West wind 10 to 15 mph, with gusts as high as 29 mph.

    High: 45 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 21.

    Low: 21 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 28.

    High: 28 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 10.

    Low: 10 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 27.

    High: 27 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 40. Breezy, with a northwest wind 17 to 21 mph, with gusts as high as 36 mph.
Tonight
Clear, with a low around 19. Northwest wind 8 to 16 mph, with gusts as high as 26 mph.
Thursday
Increasing clouds, with a high near 36. Northwest wind 6 to 8 mph becoming south in the afternoon.
Thursday Night
A 40 percent chance of snow, mainly before midnight. Cloudy, then gradually becoming partly cloudy, with a low around 30. South wind 6 to 10 mph becoming west after midnight. Winds could gust as high as 20 mph.
Friday
Partly sunny, with a high near 45. West wind 10 to 15 mph, with gusts as high as 29 mph.
Friday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 21.
Saturday
Partly sunny, with a high near 28.
Saturday Night
Partly cloudy, with a low around 10.
Sunday
Mostly sunny, with a high near 27.
Sunday Night
Partly cloudy, with a low around 17.
M.L.King Day
Mostly sunny, with a high near 31.
Monday Night
Mostly clear, with a low around 14.
Tuesday
Sunny, with a high near 36.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Saint Louis MO
 38.62°N 90.26°W (Elev. 486 ft)
Last Update:
10:51 am CST Jan 14, 2026
Forecast Valid:
2pm CST Jan 14, 2026-6pm CST Jan 20, 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