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.

Overcast

56°F

13°C

Humidity 42%
Wind Speed NW 6 mph
Barometer 29.78 in (1008.3 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 13 Jan 5:51 pm CST
Extended Forecast for

Saint Louis MO

  • Tonight

    Tonight: A chance of rain before 4am, then a chance of sprinkles between 4am and 5am. Cloudy, with a low around 38. West wind 6 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    Low: 38 °F

    Chance Rain
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: A chance of sprinkles, mixing with flurries after 8am, then gradually ending. Cloudy through mid morning, then gradual clearing, with a temperature falling to around 31 by 5pm. Breezy, with a north wind 15 to 21 mph, with gusts as high as 31 mph.

    High: 40 °F⇓

    Breezy.
    Chance
    Sprinkles/Flurries
    then
    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Clear, with a low around 19. Northwest wind 8 to 14 mph, with gusts as high as 26 mph.

    Low: 19 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 34. Northwest wind 6 to 8 mph becoming south in the afternoon.

    High: 34 °F

    Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of snow, mainly before midnight. Mostly cloudy, with a temperature rising to around 35 by 5am. South wind 6 to 11 mph becoming west after midnight. Winds could gust as high as 22 mph.

    Low: 30 °F⇑

    Chance Snow

  • Friday

    Friday: Partly sunny, with a high near 45.

    High: 45 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 20.

    Low: 20 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 27.

    High: 27 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 12.

    Low: 12 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of rain before 4am, then a chance of sprinkles between 4am and 5am. Cloudy, with a low around 38. West wind 6 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Wednesday
A chance of sprinkles, mixing with flurries after 8am, then gradually ending. Cloudy through mid morning, then gradual clearing, with a temperature falling to around 31 by 5pm. Breezy, with a north wind 15 to 21 mph, with gusts as high as 31 mph.
Wednesday Night
Clear, with a low around 19. Northwest wind 8 to 14 mph, with gusts as high as 26 mph.
Thursday
Sunny, with a high near 34. Northwest wind 6 to 8 mph becoming south in the afternoon.
Thursday Night
A 30 percent chance of snow, mainly before midnight. Mostly cloudy, with a temperature rising to around 35 by 5am. South wind 6 to 11 mph becoming west after midnight. Winds could gust as high as 22 mph.
Friday
Partly sunny, with a high near 45.
Friday Night
Mostly cloudy, with a low around 20.
Saturday
Partly sunny, with a high near 27.
Saturday Night
Partly cloudy, with a low around 12.
Sunday
Mostly sunny, with a high near 32.
Sunday Night
Partly cloudy, with a low around 19.
M.L.King Day
Sunny, with a high near 34.
Monday Night
Mostly clear, with a low around 13.
Tuesday
Mostly sunny, with a high near 33.
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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:
6:31 pm CST Jan 13, 2026
Forecast Valid:
6pm CST Jan 13, 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