Barometric Pressure in Lake Saint Louis, United States 
1013 hPa
15.0 ℃
50%
3.0 m/s
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Forecast
Hourly Pressure Trends
Track the barometric pressure in Lake Saint Louis hour by hour across the next 6 hourly readings.
Lake Saint Louis, Missouri has changing air pressure due to its location in the Midwest. Cold fronts from Canada bring low pressure and storms in winter.
The city's geography, with flat plains, lets winds from different directions easily affect air pressure. This leads to varying weather conditions.
In summer, high pressure from the Gulf of Mexico brings warm and humid air, resulting in hot and sticky weather. In winter, low pressure from Canada brings cold and snowy weather.
Lake Saint Louis has a humid continental climate, with significant pressure changes between seasons. This climate type means big temperature differences between winter and summer.