Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Fair
56°F
13°C
| Humidity | 40% |
| Wind Speed | NW 18 G 29 mph |
| Barometer | 30.09 in (1018.8 mb) |
| Dewpoint | 32°F (0°C) |
| Visibility | 10.00 mi |
| Last update | 18 Apr 3:53 pm CDT |
Extended Forecast for
Lemay MO
Tonight

Low: 41 °F
Clear
Sunday

High: 69 °F
Sunny
Sunday Night

Low: 42 °F
Mostly Clear
Monday

High: 69 °F
Sunny
Monday Night

Low: 51 °F
Mostly Clear
Tuesday

High: 80 °F
Sunny
Tuesday Night

Low: 57 °F
Mostly Clear
Wednesday

High: 81 °F
Sunny
Wednesday Night

Low: 61 °F
Mostly Clear
Detailed Forecast
Tonight
Clear, with a low around 41. Northwest wind 5 to 10 mph becoming light west after midnight. Winds could gust as high as 20 mph.
Sunday
Sunny, with a high near 69. Light west wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 22 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 69. Calm wind becoming southeast around 6 mph in the morning.
Monday Night
Mostly clear, with a low around 51. Southeast wind around 6 mph.
Tuesday
Sunny, with a high near 80.
Tuesday Night
Mostly clear, with a low around 57.
Wednesday
Sunny, with a high near 81.
Wednesday Night
Mostly clear, with a low around 61.
Thursday
Mostly sunny, with a high near 84.
Thursday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63.
Friday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 76. Chance of precipitation is 70%.
Friday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 51.
Saturday
A 20 percent chance of showers. Mostly sunny, with a high near 69.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Lemay MO
38.53°N 90.29°W (Elev. 456 ft)
38.53°N 90.29°W (Elev. 456 ft)
1:26 pm CDT Apr 18, 2026
4pm CDT Apr 18, 2026-6pm CDT Apr 25, 2026


