Hazardous Weather Conditions

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Light Rain

69°F

21°C

Humidity 78%
Wind Speed SW 18 G 38 mph
Barometer 29.75 in (1006.9 mb)
Dewpoint 62°F (17°C)
Visibility 9.00 mi
Last update 17 Apr 10:53 pm CDT
Extended Forecast for

Lemay MO

  • Tonight

    Tonight: Showers and possibly a thunderstorm.  Low around 48. Southwest wind 7 to 11 mph becoming west after midnight. Winds could gust as high as 22 mph.  Chance of precipitation is 100%.

    Low: 48 °F

    Showers

  • Saturday

    Saturday: A 30 percent chance of showers, mainly before 7am.  Cloudy through mid morning, then gradual clearing, with a high near 61. Northwest wind around 15 mph, with gusts as high as 24 mph.

    High: 61 °F

    Chance
    Showers then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 42. Northwest wind 5 to 10 mph becoming light and variable  after midnight.

    Low: 42 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 68. Light southwest wind becoming west 6 to 11 mph in the morning. Winds could gust as high as 21 mph.

    High: 68 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 42. Northwest wind around 6 mph becoming calm  in the evening.

    Low: 42 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 52.

    Low: 52 °F

    Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers after 1am.  Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

Detailed Forecast

Tonight
Showers and possibly a thunderstorm. Low around 48. Southwest wind 7 to 11 mph becoming west after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 100%.
Saturday
A 30 percent chance of showers, mainly before 7am. Cloudy through mid morning, then gradual clearing, with a high near 61. Northwest wind around 15 mph, with gusts as high as 24 mph.
Saturday Night
Clear, with a low around 42. Northwest wind 5 to 10 mph becoming light and variable after midnight.
Sunday
Sunny, with a high near 68. Light southwest wind becoming west 6 to 11 mph in the morning. Winds could gust as high as 21 mph.
Sunday Night
Mostly clear, with a low around 42. Northwest wind around 6 mph becoming calm in the evening.
Monday
Sunny, with a high near 71.
Monday Night
Clear, with a low around 52.
Tuesday
Mostly sunny, with a high near 81.
Tuesday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 59.
Wednesday
Sunny, with a high near 83.
Wednesday Night
Mostly clear, with a low around 61.
Thursday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 85.
Thursday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Friday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 80.
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)
10:51 pm CDT Apr 17, 2026
11pm CDT Apr 17, 2026-6pm CDT Apr 24, 2026
 
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