Hazardous Weather Conditions

Current conditions at

St. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Mostly Cloudy

88°F

31°C

Humidity 59%
Wind Speed SW 7 mph
Barometer 29.94 in (1012.6 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index95°F (35°C)
Last update 15 Jul 3:51 pm CDT
Extended Forecast for

Saint Louis MO

  • This Afternoon

    This Afternoon: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 89. South wind around 6 mph.

    High: 89 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 7pm.  Mostly cloudy, then gradually becoming mostly clear, with a low around 74. South wind around 6 mph becoming light and variable.

    Low: 74 °F

    Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms before 1pm, then a slight chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 96. Heat index values as high as 106. Southwest wind 5 to 9 mph.  Chance of precipitation is 20%.

    High: 96 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 77. Southwest wind 5 to 7 mph.

    Low: 77 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms, mainly after 1pm.  Partly sunny, with a high near 91. West wind 5 to 7 mph.

    High: 91 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 72.

    Low: 72 °F

    Chance
    T-storms

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 86.

    High: 86 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 74.

    Low: 74 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms.  Partly sunny, with a high near 92.

    High: 92 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 89. South wind around 6 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 74. South wind around 6 mph becoming light and variable.
Wednesday
A slight chance of showers and thunderstorms before 1pm, then a slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 96. Heat index values as high as 106. Southwest wind 5 to 9 mph. Chance of precipitation is 20%.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 77. Southwest wind 5 to 7 mph.
Thursday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 91. West wind 5 to 7 mph.
Thursday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72.
Friday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 86.
Friday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 74.
Saturday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 92.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76.
Sunday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 94.
Sunday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75.
Monday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 94.
Monday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76.
Tuesday
Mostly sunny, with a high near 96.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Saint Louis MO
 38.64°N 90.23°W (Elev. 538 ft)
4:21 pm CDT Jul 15, 2025
4pm CDT Jul 15, 2025-6pm CDT Jul 22, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database