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.

Mostly Cloudy

46°F

8°C

Humidity 46%
Wind Speed SW 12 mph
Barometer 29.97 in (1014.8 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 13 Jan 3:51 am CST
Extended Forecast for

Saint Louis MO

  • Today

    Today: Increasing clouds, with a high near 66. West wind 9 to 13 mph, with gusts as high as 26 mph.

    High: 66 °F

    Increasing
    Clouds

  • Tonight

    Tonight: A 50 percent chance of rain, mainly before 1am. Mostly cloudy, with a low around 37. West wind 8 to 10 mph, with gusts as high as 20 mph.

    Low: 37 °F

    Chance Rain

  • Wednesday

    Wednesday: Partly sunny, with a temperature falling to around 33 by 5pm. Northwest wind 10 to 16 mph, with gusts as high as 28 mph.

    High: 40 °F⇓

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 19. North wind 7 to 13 mph, with gusts as high as 23 mph.

    Low: 19 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 34. Northwest wind around 6 mph becoming south in the afternoon.

    High: 34 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of snow. Mostly cloudy, with a low around 29.

    Low: 29 °F

    Slight Chance
    Snow

  • Friday

    Friday: Partly sunny, with a high near 44.

    High: 44 °F

    Partly Sunny

  • Friday Night

    Friday Night: A slight chance of rain and snow before midnight. Mostly cloudy, with a low around 22. Chance of precipitation is 20%.

    Low: 22 °F

    Slight Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 32.

    High: 32 °F

    Mostly Cloudy

Detailed Forecast

Today
Increasing clouds, with a high near 66. West wind 9 to 13 mph, with gusts as high as 26 mph.
Tonight
A 50 percent chance of rain, mainly before 1am. Mostly cloudy, with a low around 37. West wind 8 to 10 mph, with gusts as high as 20 mph.
Wednesday
Partly sunny, with a temperature falling to around 33 by 5pm. Northwest wind 10 to 16 mph, with gusts as high as 28 mph.
Wednesday Night
Mostly clear, with a low around 19. North wind 7 to 13 mph, with gusts as high as 23 mph.
Thursday
Mostly sunny, with a high near 34. Northwest wind around 6 mph becoming south in the afternoon.
Thursday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 29.
Friday
Partly sunny, with a high near 44.
Friday Night
A slight chance of rain and snow before midnight. Mostly cloudy, with a low around 22. Chance of precipitation is 20%.
Saturday
Mostly cloudy, with a high near 32.
Saturday Night
Mostly cloudy, with a low around 12.
Sunday
Mostly sunny, with a high near 26.
Sunday Night
Mostly clear, with a low around 14.
M.L.King Day
Mostly sunny, with a high near 34.
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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:
3:16 am CST Jan 13, 2026
Forecast Valid:
4am CST Jan 13, 2026-6pm CST Jan 19, 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