Current conditions at
St. Louis, Spirit Of St. Louis Airport (KSUS)
Lat: 38.66°NLon: 90.66°WElev: 463ft.
Fair
43°F
6°C
| Humidity | 80% |
| Wind Speed | S 5 mph |
| Barometer | 30.18 in (1022.4 mb) |
| Dewpoint | 37°F (3°C) |
| Visibility | 10.00 mi |
| Wind Chill | 40°F (4°C) |
| Last update | 2 Nov 5:54 pm CST |
Extended Forecast for
Byrnes Mill MO
Tonight
Low: 38 °F
Clear
Monday
High: 65 °F
Sunny
Monday Night
Low: 39 °F
Partly Cloudy
Tuesday
High: 71 °F
Mostly Sunny
Tuesday Night
Low: 52 °F
Partly Cloudy
Wednesday
High: 72 °F
Sunny
Wednesday Night
Low: 42 °F
Clear
Thursday
High: 68 °F
Sunny
Thursday Night
Low: 54 °F
Partly Cloudy
then Chance
Showers
Detailed Forecast
Tonight
Clear, with a low around 38. Calm wind becoming south around 5 mph after midnight.
Monday
Sunny, with a high near 65. West wind around 6 mph becoming calm in the afternoon.
Monday Night
Partly cloudy, with a low around 39. Calm wind.
Tuesday
Mostly sunny, with a high near 71. Light southeast wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 23 mph.
Tuesday Night
Partly cloudy, with a low around 52. South wind 6 to 8 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 72.
Wednesday Night
Clear, with a low around 42.
Thursday
Sunny, with a high near 68.
Thursday Night
A 30 percent chance of showers after midnight. Mostly cloudy, with a low around 54.
Friday
A 20 percent chance of showers before noon. Mostly sunny, with a high near 70.
Friday Night
Mostly clear, with a low around 44.
Saturday
Mostly sunny, with a high near 67.
Saturday Night
Partly cloudy, with a low around 42.
Sunday
Mostly sunny, with a high near 55.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Byrnes Mill MO
38.43°N 90.58°W (Elev. 495 ft)
38.43°N 90.58°W (Elev. 495 ft)
4:36 pm CST Nov 2, 2025
6pm CST Nov 2, 2025-6pm CST Nov 9, 2025
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