Barometric Pressure in Sioux City, United States 
0000 hPa
00.0 ℃
00.0%
00.0 m/s
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The pressure in Sioux City, Iowa, United States is predicted falling over the next 24 hours, with an average pressure of today, which is lower than normal.
Weather prediction: Stormy, much rain
Rapid Pressure Changes
Rapid pressure changes detected in Sioux City - often a sign of approaching weather shifts. Get accurate local time and alerts on our iOS app.
- Rapid Fall - ()
The daily total fluctuation in pressure in Sioux City is , with a low of and a high of .
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.