Hazardous Weather Conditions

Current conditions at

St. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Mostly Cloudy

82°F

28°C

Humidity 67%
Wind Speed SE 9 mph
Barometer 30.02 in (1015.4 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 13 Jul 9:51 am CDT
Extended Forecast for

Lambert-St. Louis International Airport MO

  • Today

    Today: Showers and thunderstorms likely, mainly after 1pm. Some of the storms could produce heavy rainfall.  Cloudy, with a high near 84. Light and variable wind becoming northeast around 5 mph in the afternoon.  Chance of precipitation is 70%.

    High: 84 °F

    Chance
    T-storms then
    Heavy Rain

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly before 9pm.  Patchy fog after 4am.  Otherwise, mostly cloudy, with a low around 72. East wind around 6 mph becoming calm  in the evening.

    Low: 72 °F

    Chance
    T-storms then
    Patchy Fog

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 1pm.  Patchy fog before 8am.  Otherwise, partly sunny, with a high near 87. Calm wind becoming east around 5 mph in the afternoon.

    High: 87 °F

    Patchy Fog
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 73. East wind around 6 mph becoming calm  in the evening.

    Low: 73 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after 1pm.  Partly sunny, with a high near 90. Light and variable wind becoming south 5 to 8 mph in the morning.

    High: 90 °F

    Partly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly before 1am.  Partly cloudy, with a low around 74.

    Low: 74 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms, mainly after 1pm.  Mostly sunny, with a high near 92.

    High: 92 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms, mainly before 1am.  Partly cloudy, with a low around 74.

    Low: 74 °F

    Chance
    T-storms

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms after 1pm.  Partly sunny, with a high near 88.

    High: 88 °F

    Partly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
Showers and thunderstorms likely, mainly after 1pm. Some of the storms could produce heavy rainfall. Cloudy, with a high near 84. Light and variable wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 70%.
Tonight
A 40 percent chance of showers and thunderstorms, mainly before 9pm. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 72. East wind around 6 mph becoming calm in the evening.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 87. Calm wind becoming east around 5 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 73. East wind around 6 mph becoming calm in the evening.
Tuesday
A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 90. Light and variable wind becoming south 5 to 8 mph in the morning.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 74.
Wednesday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 92.
Wednesday Night
A 40 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 74.
Thursday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 88.
Thursday Night
A 30 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 72.
Friday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 87.
Friday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
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ABOUT THIS FORECAST

 
Point Forecast:
Lambert-St. Louis International Airport MO
 38.76°N 90.37°W (Elev. 551 ft)
8:37 am CDT Jul 13, 2025
10am CDT Jul 13, 2025-6pm CDT Jul 19, 2025
 
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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