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.

Mostly Cloudy

48°F

9°C

Humidity 68%
Wind Speed N 7 mph
Barometer 30.11 in (1019.2 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 9 Jan 12:51 pm CST
Extended Forecast for

Saint Louis MO

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 51. North wind around 6 mph.

    High: 51 °F

    Partly Sunny

  • Tonight

    Tonight: A 30 percent chance of rain, mainly between 3am and 5am. Mostly cloudy, with a low around 38. Northeast wind around 6 mph becoming calm.

    Low: 38 °F

    Mostly Cloudy
    then Chance
    Rain

  • Saturday

    Saturday: A chance of rain before 9am, then a chance of sprinkles after 5pm. Cloudy through mid morning, then gradual clearing, with a high near 47. Northwest wind 8 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.

    High: 47 °F

    Chance Rain
    then Sunny

  • Saturday Night

    Saturday Night: A chance of sprinkles, mixing with flurries after 10pm, then gradually ending. Partly cloudy, with a low around 26. Northwest wind 9 to 14 mph, with gusts as high as 29 mph.

    Low: 26 °F

    Chance
    Sprinkles/Flurries
    then Mostly
    Clear

  • Sunday

    Sunday: Sunny, with a high near 39. Northwest wind 5 to 14 mph, with gusts as high as 24 mph.

    High: 39 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 28.

    Low: 28 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 52.

    High: 52 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 57.

    High: 57 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 51. North wind around 6 mph.
Tonight
A 30 percent chance of rain, mainly between 3am and 5am. Mostly cloudy, with a low around 38. Northeast wind around 6 mph becoming calm.
Saturday
A chance of rain before 9am, then a chance of sprinkles after 5pm. Cloudy through mid morning, then gradual clearing, with a high near 47. Northwest wind 8 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Saturday Night
A chance of sprinkles, mixing with flurries after 10pm, then gradually ending. Partly cloudy, with a low around 26. Northwest wind 9 to 14 mph, with gusts as high as 29 mph.
Sunday
Sunny, with a high near 39. Northwest wind 5 to 14 mph, with gusts as high as 24 mph.
Sunday Night
Mostly clear, with a low around 28.
Monday
Sunny, with a high near 52.
Monday Night
Partly cloudy, with a low around 39.
Tuesday
Partly sunny, with a high near 57.
Tuesday Night
Mostly cloudy, with a low around 38.
Wednesday
A 20 percent chance of rain. Mostly cloudy, with a high near 43.
Wednesday Night
Mostly cloudy, with a low around 26.
Thursday
Mostly sunny, with a high near 40.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Saint Louis MO
 38.64°N 90.26°W (Elev. 499 ft)
Last Update:
1:16 pm CST Jan 9, 2026
Forecast Valid:
2pm CST Jan 9, 2026-6pm CST Jan 15, 2026
 
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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