Barometric Pressure in Saint Charles, United States 
0000 hPa
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The pressure in Saint Charles, Missouri, United States is predicted to rapidly rise over the next few hours, with an average pressure of 997.6 hPa today, which is lower than normal.
Weather prediction: Expect shortly fair weather and gale or storm winds
The daily total fluctuation in pressure in Saint Charles is 13.5 hPa, with a low of 989 hPa and a high of 1002.5 hPa.
Forecast
Hourly Pressure Trends
Track the barometric pressure in Saint Charles hour by hour and stay informed about how it will change over the next 6 hours.
The weather in Saint Charles, Missouri, changes frequently, causing barometric pressure to rise and fall. These changes can bring different types of weather, such as sunny skies or storms.
Saint Charles is about 500 feet above sea level, and its location near the Missouri River affects atmospheric pressure. The nearby river and surrounding hills can make the air pressure change quickly.
During winter, the pressure is usually lower, bringing colder air and snow. In summer, the pressure is higher, leading to warmer temperatures and humidity. In spring and fall, the pressure is often in between, resulting in mild weather.
Saint Charles has a humid continental climate, which means it has warm summers and cold winters. This climate type causes the barometric pressure to fluctuate regularly, leading to a mix of sunny and stormy weather throughout the year.