Barometric Pressure in Yankton, United States 
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The pressure in Yankton, South Dakota, United States is predicted to rise over the next few hours, with an average pressure of 977.5 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 Yankton is 3.1 hPa, with a low of 976.2 hPa and a high of 979.3 hPa.
Forecast
Hourly Pressure Trends
Track the barometric pressure in Yankton hour by hour and stay informed about how it will change over the next 6 hours.
Yankton's weather patterns bring changing air pressure. High-pressure systems usually bring good weather, while low-pressure systems bring bad weather.
The city's geography, near the Missouri River and surrounded by rolling hills, affects air pressure. The river helps keep temperatures steady, but hills can make air pressure change quickly.
In summer, warm air rises, making low pressure, and bringing thunderstorms. In winter, cold air sinks, making high pressure, and bringing cold fronts.
In spring and fall, pressure changes quickly, causing unpredictable weather.
Yankton has a humid continental climate, with big temperature changes and air pressure swings between seasons. This climate type makes Yankton's weather changeable and exciting!