Barometric Pressure in Sioux City, United States 
0000 hPa
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The pressure in Sioux City, Iowa, United States is predicted to slowly drop over the next few hours, with an average pressure of 962.6 hPa today, which is lower than normal.
Weather prediction: Expect more wet and unsettled conditions
The daily total fluctuation in pressure in Sioux City is 10.3 hPa, with a low of 957.3 hPa and a high of 967.6 hPa.
Forecast
Hourly Pressure Trends
Track the barometric pressure in Sioux City hour by hour and stay informed about how it will change over the next 6 hours.
Sioux City, Iowa, has big changes in air pressure, which affects the weather.
The city's flat land and location near the Missouri River make air pressure rise and fall quickly.
In winter, high pressure brings cold, dry air from Canada.
In summer, low pressure brings warm, humid air from the Gulf of Mexico.
Sioux City has a humid continental climate, with big pressure changes between seasons.