National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

St. Louis, Spirit Of St. Louis Airport (KSUS)

Lat: 38.66°NLon: 90.66°WElev: 463ft.

A Few Clouds

88°F

31°C

Humidity 55%
Wind Speed SE 6 mph
Barometer 29.93 in (1012.6 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 8 Aug 7:54 pm CDT
Extended Forecast for

Glencoe MO

  • Tonight

    Tonight: Mostly clear, with a low around 73. South wind around 8 mph.

    Low: 73 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 94. Heat index values as high as 102. South wind 7 to 10 mph.

    High: 94 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 74. South wind around 7 mph.

    Low: 74 °F

    Mostly Clear

  • Sunday

    Sunday: A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 92. Heat index values as high as 100. South wind around 6 mph. Chance of precipitation is 20%.

    High: 92 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 74. South wind around 6 mph.

    Low: 74 °F

    Slight Chance
    T-storms

  • Monday

    Monday: A slight chance of showers, then a chance of showers and thunderstorms after 10am. Mostly sunny, with a high near 91. Chance of precipitation is 40%.

    High: 91 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.

    Low: 71 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.

    High: 87 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 69.

    Low: 69 °F

    Slight Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 73. South wind around 8 mph.
Saturday
Sunny, with a high near 94. Heat index values as high as 102. South wind 7 to 10 mph.
Saturday Night
Mostly clear, with a low around 74. South wind around 7 mph.
Sunday
A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 92. Heat index values as high as 100. South wind around 6 mph. Chance of precipitation is 20%.
Sunday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 74. South wind around 6 mph.
Monday
A slight chance of showers, then a chance of showers and thunderstorms after 10am. Mostly sunny, with a high near 91. Chance of precipitation is 40%.
Monday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Tuesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 69.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 88.
Wednesday Night
Partly cloudy, with a low around 70.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
Thursday Night
Mostly clear, with a low around 72.
Friday
Sunny, with a high near 91.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Glencoe MO
 38.59°N 90.63°W (Elev. 699 ft)
Last Update:
5:31 pm CDT Aug 8, 2025
Forecast Valid:
8pm CDT Aug 8, 2025-6pm CDT Aug 15, 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