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.

Overcast

48°F

9°C

Humidity 89%
Wind Speed Calm
Barometer 30.19 in (1022.6 mb)
Dewpoint 45°F (7°C)
Visibility 7.00 mi
Last update 23 Nov 12:51 pm CST
Extended Forecast for

Lambert-St. Louis International Airport MO

  • This Afternoon

    This Afternoon: Partly sunny, with a steady temperature around 49. Light and variable wind.

    High: 49 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 45. Southeast wind 3 to 6 mph.

    Low: 45 °F

    Mostly Cloudy

  • Monday

    Monday: Rain likely, mainly after 4pm. Mostly cloudy, with a high near 58. Southeast wind 6 to 9 mph. Chance of precipitation is 70%.

    High: 58 °F

    Mostly Cloudy
    then Rain
    Likely

  • Monday Night

    Monday Night: Rain, mainly before midnight. Low around 50. Southeast wind 5 to 8 mph. Chance of precipitation is 90%.

    Low: 50 °F

    Rain then
    Chance Rain

  • Tuesday

    Tuesday: A 20 percent chance of rain after noon. Mostly cloudy, with a high near 61. West wind 5 to 10 mph.

    High: 61 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 46.

    High: 46 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

  • Thanksgiving Day

    Thanksgiving Day: Sunny, with a high near 44.

    High: 44 °F

    Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a steady temperature around 49. Light and variable wind.
Tonight
Mostly cloudy, with a low around 45. Southeast wind 3 to 6 mph.
Monday
Rain likely, mainly after 4pm. Mostly cloudy, with a high near 58. Southeast wind 6 to 9 mph. Chance of precipitation is 70%.
Monday Night
Rain, mainly before midnight. Low around 50. Southeast wind 5 to 8 mph. Chance of precipitation is 90%.
Tuesday
A 20 percent chance of rain after noon. Mostly cloudy, with a high near 61. West wind 5 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 37.
Wednesday
Sunny, with a high near 46.
Wednesday Night
Partly cloudy, with a low around 29.
Thanksgiving Day
Sunny, with a high near 44.
Thursday Night
Partly cloudy, with a low around 29.
Friday
Partly sunny, with a high near 46.
Friday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 34.
Saturday
A 40 percent chance of rain. Mostly cloudy, with a high near 49.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lambert-St. Louis International Airport MO
 38.76°N 90.37°W (Elev. 551 ft)
Last Update:
12:26 pm CST Nov 23, 2025
Forecast Valid:
1pm CST Nov 23, 2025-6pm CST Nov 29, 2025
 
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