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

64°F

18°C

Humidity 90%
Wind Speed S 9 mph
Barometer 29.66 in (1004.1 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 28 Dec 5:51 am CST
Extended Forecast for

Saint Louis MO

  • Today

    Today: Showers and thunderstorms likely before 5pm, then a chance of showers. Cloudy, with a high near 71. South wind 7 to 12 mph becoming west 13 to 18 mph in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 70%.

    High: 71 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Tonight

    Tonight: A 20 percent chance of showers before 7pm. Cloudy during the early evening, then gradual clearing, with a low around 20. Breezy, with a west wind 20 to 22 mph, with gusts as high as 36 mph.

    Low: 20 °F

    Breezy.
    Slight Chance
    Showers then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 30. Breezy, with a northwest wind 14 to 21 mph, with gusts as high as 36 mph.

    High: 30 °F

    Partly Sunny
    and Breezy
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 19. Northwest wind 8 to 13 mph, with gusts as high as 22 mph.

    Low: 19 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 36. West wind around 7 mph.

    High: 36 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 29.

    Low: 29 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 44.

    High: 44 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

  • New Year's Day

    New Year's Day: Mostly sunny, with a high near 42.

    High: 42 °F

    Mostly Sunny

Detailed Forecast

Today
Showers and thunderstorms likely before 5pm, then a chance of showers. Cloudy, with a high near 71. South wind 7 to 12 mph becoming west 13 to 18 mph in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 70%.
Tonight
A 20 percent chance of showers before 7pm. Cloudy during the early evening, then gradual clearing, with a low around 20. Breezy, with a west wind 20 to 22 mph, with gusts as high as 36 mph.
Monday
Mostly sunny, with a high near 30. Breezy, with a northwest wind 14 to 21 mph, with gusts as high as 36 mph.
Monday Night
Mostly clear, with a low around 19. Northwest wind 8 to 13 mph, with gusts as high as 22 mph.
Tuesday
Sunny, with a high near 36. West wind around 7 mph.
Tuesday Night
Mostly clear, with a low around 29.
Wednesday
Partly sunny, with a high near 44.
Wednesday Night
Partly cloudy, with a low around 28.
New Year's Day
Mostly sunny, with a high near 42.
Thursday Night
Partly cloudy, with a low around 23.
Friday
Partly sunny, with a high near 45.
Friday Night
Mostly cloudy, with a low around 33.
Saturday
Mostly cloudy, with a high near 51.
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Louis MO
 38.64°N 90.23°W (Elev. 538 ft)
Last Update:
3:41 am CST Dec 28, 2025
Forecast Valid:
6am CST Dec 28, 2025-6pm CST Jan 3, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation