Current conditions at
St. Louis, Spirit Of St. Louis Airport (KSUS)
Lat: 38.66°NLon: 90.66°WElev: 463ft.
Fair
60°F
16°C
| Humidity | 86% |
| Wind Speed | Calm |
| Barometer | 30.15 in (1020.6 mb) |
| Dewpoint | 56°F (13°C) |
| Visibility | 10.00 mi |
| Last update | 28 Aug 7:54 am CDT |
Extended Forecast for
Byrnes Mill MO
Today
High: 82 °F
Decreasing
CloudsTonight
Low: 57 °F
Mostly Clear
Friday
High: 86 °F
Sunny
Friday Night
Low: 59 °F
Partly Cloudy
Saturday
High: 85 °F
Sunny
Saturday Night
Low: 60 °F
Partly Cloudy
Sunday
High: 83 °F
Mostly Sunny
Sunday Night
Low: 59 °F
Mostly Cloudy
Labor Day
High: 81 °F
Mostly Sunny
Detailed Forecast
Today
Mostly cloudy, then gradually becoming sunny, with a high near 82. Calm wind becoming south around 5 mph.
Tonight
Mostly clear, with a low around 57. Calm wind.
Friday
Sunny, with a high near 86. Light and variable wind.
Friday Night
Partly cloudy, with a low around 59. Light east wind.
Saturday
Sunny, with a high near 85. Calm wind becoming northeast around 6 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 60.
Sunday
Mostly sunny, with a high near 83.
Sunday Night
Mostly cloudy, with a low around 59.
Labor Day
Mostly sunny, with a high near 81.
Monday Night
Partly cloudy, with a low around 59.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 83.
Tuesday Night
Mostly clear, with a low around 61.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Byrnes Mill MO
38.45°N 90.58°W (Elev. 525 ft)
38.45°N 90.58°W (Elev. 525 ft)
8:01 am CDT Aug 28, 2025
8am CDT Aug 28, 2025-6pm CDT Sep 3, 2025
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