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.

A Few Clouds

87°F

31°C

Humidity 39%
Wind Speed SW 7 mph
Barometer 30.22 in (1022.1 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 3 Oct 12:51 pm CDT
Extended Forecast for

Saint Louis MO

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 90. South wind around 6 mph.

    High: 90 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 64. South wind 3 to 5 mph.

    Low: 64 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 88. Light south wind increasing to 5 to 10 mph in the morning.

    High: 88 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 61. South wind 5 to 7 mph.

    Low: 61 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 88. South wind 6 to 11 mph, with gusts as high as 20 mph.

    High: 88 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 65.

    Low: 65 °F

    Clear

  • Monday

    Monday: A 20 percent chance of showers after 1pm. Sunny, with a high near 89.

    High: 89 °F

    Sunny then
    Slight Chance
    Showers

  • Monday Night

    Monday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 86. Chance of precipitation is 30%.

    High: 86 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 90. South wind around 6 mph.
Tonight
Mostly clear, with a low around 64. South wind 3 to 5 mph.
Saturday
Sunny, with a high near 88. Light south wind increasing to 5 to 10 mph in the morning.
Saturday Night
Clear, with a low around 61. South wind 5 to 7 mph.
Sunday
Sunny, with a high near 88. South wind 6 to 11 mph, with gusts as high as 20 mph.
Sunday Night
Clear, with a low around 65.
Monday
A 20 percent chance of showers after 1pm. Sunny, with a high near 89.
Monday Night
Mostly clear, with a low around 66.
Tuesday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 86. Chance of precipitation is 30%.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 60.
Wednesday
Sunny, with a high near 76.
Wednesday Night
Mostly clear, with a low around 53.
Thursday
Sunny, with a high near 75.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Saint Louis MO
 38.64°N 90.26°W (Elev. 499 ft)
Last Update:
11:56 am CDT Oct 3, 2025
Forecast Valid:
1pm CDT Oct 3, 2025-6pm CDT Oct 9, 2025
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation