Barometric Pressure in St Louis, United States 
0000 hPa
00.0 ℃
00.0 m/s
00.0%
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The pressure in St Louis, Missouri, United States is predicted to rise over the next few hours, with an average pressure of 999.3 hPa today, which is lower than normal.
Weather prediction: Expect fair, dry, cool weather and a strong breeze
The daily total fluctuation in pressure in St Louis is 6.7 hPa, with a low of 996.1 hPa and a high of 1002.8 hPa.
Forecast
Hourly Pressure Trends
Track the barometric pressure in St Louis hour by hour and stay informed about how it will change over the next 6 hours.
The barometric pressure in St Louis varies throughout the day and night. It changes with the weather systems that move into the region. These systems can bring storms, fronts, and other weather phenomena that affect the pressure.
St Louis is situated near the confluence of the Mississippi and Missouri rivers. This location creates a unique landscape. The city is surrounded by rolling hills and flat plains. The nearby rivers and hills influence the local atmospheric pressure. They disrupt the airflow and create pockets of pressure.
The surrounding landscape also contributes to the city's weather patterns. The rivers and hills channel winds and storms into the area. This can lead to rapid changes in pressure and weather conditions. As a result, the weather in St Louis can be unpredictable and varied.