Hazardous Weather Conditions
Current conditions at
St. Louis, Spirit Of St. Louis Airport (KSUS)
Lat: 38.66°NLon: 90.66°WElev: 463ft.
Fair
90°F
32°C
| Humidity | 58% |
| Wind Speed | N 9 mph |
| Barometer | 29.94 in (1012.7 mb) |
| Dewpoint | 73°F (23°C) |
| Visibility | 10.00 mi |
| Heat Index | 99°F (37°C) |
| Last update | 19 Aug 5:54 pm CDT |
Extended Forecast for
Clarkson Valley MO
Heat Advisory August 19, 06:48pm until August 19, 08:00pm
NOW until 8:00pm Tue
Heat Advisory
Tonight
Low: 72 °F
Partly Cloudy
Wednesday
High: 87 °F
Mostly Sunny
Wednesday Night
Low: 66 °F
Mostly Clear
Thursday
High: 84 °F
Sunny
Thursday Night
Low: 65 °F
Mostly Clear
Friday
High: 87 °F
Sunny
Friday Night
Low: 66 °F
Mostly Clear
Saturday
High: 87 °F
Mostly Sunny
Detailed Forecast
Tonight
Partly cloudy, with a low around 72. North wind 5 to 8 mph.
Wednesday
Mostly sunny, with a high near 87. Northeast wind 5 to 8 mph.
Wednesday Night
Mostly clear, with a low around 66. Northeast wind 5 to 7 mph.
Thursday
Sunny, with a high near 84. Northeast wind 5 to 7 mph.
Thursday Night
Mostly clear, with a low around 65. Northeast wind around 6 mph becoming calm in the evening.
Friday
Sunny, with a high near 87.
Friday Night
Mostly clear, with a low around 66.
Saturday
Mostly sunny, with a high near 87.
Saturday Night
Mostly clear, with a low around 62.
Sunday
Sunny, with a high near 81.
Sunday Night
Mostly clear, with a low around 58.
Monday
Mostly sunny, with a high near 77.
Monday Night
Partly cloudy, with a low around 57.
Tuesday
Mostly sunny, with a high near 77.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Clarkson Valley MO
38.63°N 90.6°W (Elev. 597 ft)
38.63°N 90.6°W (Elev. 597 ft)
6:21 pm CDT Aug 19, 2025
6pm CDT Aug 19, 2025-6pm CDT Aug 26, 2025
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