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.

Partly Cloudy

26°C

79°F

Humidity 74%
Wind Speed N 6 km/h
Barometer 1014.7 mb (30.00 in)
Dewpoint 21°C (70°F)
Visibility 16 km
Heat Index28°C (82°F)
Last update 12 Jul 8:51 pm CDT
Extended Forecast for

Lambert-St. Louis International Airport MO

  • Tonight

    Tonight: Partly cloudy, with a low around 23. Calm wind.

    Low: 23 °C

    Partly Cloudy

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms, mainly after noon. Mostly cloudy, with a high near 30. Calm wind.

    High: 30 °C

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 22. Southwest wind 3 to 8 km/h.

    Low: 22 °C

    Mostly Cloudy

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 32. Calm wind becoming southeast 5 to 10 km/h in the morning.

    High: 32 °C

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 23. Southeast wind 5 to 10 km/h.

    Low: 23 °C

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 31.

    High: 31 °C

    Partly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 23.

    Low: 23 °C

    Chance
    T-storms

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 33.

    High: 33 °C

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 24.

    Low: 24 °C

    Chance
    T-storms

Detailed Forecast

Tonight
Partly cloudy, with a low around 23. Calm wind.
Sunday
A 50 percent chance of showers and thunderstorms, mainly after noon. Mostly cloudy, with a high near 30. Calm wind.
Sunday Night
Mostly cloudy, with a low around 22. Southwest wind 3 to 8 km/h.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 32. Calm wind becoming southeast 5 to 10 km/h in the morning.
Monday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 23. Southeast wind 5 to 10 km/h.
Tuesday
A 50 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 31.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 23.
Wednesday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 33.
Wednesday Night
A 40 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 24.
Thursday
A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 33.
Thursday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 22.
Friday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 31.
Friday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 22.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 32.
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ABOUT THIS FORECAST

 
Point Forecast:
Lambert-St. Louis International Airport MO
 38.76°N 90.37°W (Elev. 551 m)
Last Update:
8:37 pm CDT Jul 12, 2025
Forecast Valid:
9pm CDT Jul 12, 2025-6pm CDT Jul 19, 2025
 
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Additional Resources

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Chance of Precipitation