Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

66°F

19°C

Humidity 96%
Wind Speed Calm
Barometer 30.03 in (1016.5 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 22 Aug 11:53 pm CDT
Extended Forecast for

Lemay MO

  • Overnight

    Overnight: Patchy fog after 4am.  Otherwise, mostly clear, with a low around 65. Calm wind.

    Low: 65 °F

    Patchy Fog

  • Saturday

    Saturday: Increasing clouds, with a high near 88. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 88 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 62. North wind around 6 mph.

    Low: 62 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 80. Light north wind becoming northwest 5 to 9 mph in the morning.

    High: 80 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 59. North wind around 6 mph becoming calm  in the evening.

    Low: 59 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

Detailed Forecast

Overnight
Patchy fog after 4am. Otherwise, mostly clear, with a low around 65. Calm wind.
Saturday
Increasing clouds, with a high near 88. Calm wind becoming northwest around 6 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 62. North wind around 6 mph.
Sunday
Sunny, with a high near 80. Light north wind becoming northwest 5 to 9 mph in the morning.
Sunday Night
Mostly clear, with a low around 59. North wind around 6 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 78.
Monday Night
Partly cloudy, with a low around 55.
Tuesday
Sunny, with a high near 78.
Tuesday Night
Mostly clear, with a low around 54.
Wednesday
Sunny, with a high near 81.
Wednesday Night
Partly cloudy, with a low around 57.
Thursday
Mostly sunny, with a high near 81.
Thursday Night
Partly cloudy, with a low around 59.
Friday
A 20 percent chance of showers. Mostly sunny, with a high near 81.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Lemay MO
 38.53°N 90.29°W (Elev. 456 ft)
8:31 pm CDT Aug 22, 2025
12am CDT Aug 23, 2025-6pm CDT Aug 29, 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