Barometric Pressure in Shell Rock, United States 
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The pressure in Shell Rock, Iowa, United States is predicted to drop over the next few hours, with an average pressure of 981.4 hPa today, which is lower than normal.
Weather prediction: Expect wet, unsettled weather and a strong breeze
The daily total fluctuation in pressure in Shell Rock is 4.9 hPa, with a low of 979.1 hPa and a high of 984 hPa.
Forecast
Hourly Pressure Trends
Track the barometric pressure in Shell Rock hour by hour and stay informed about how it will change over the next 6 hours.
Shell Rock, Iowa has changing air pressure due to its location in the Midwest. Weather patterns like high and low-pressure systems move from west to east, bringing different air pressures. The city's flat geography allows these systems to move easily, making air pressure changes more noticeable.
In winter, cold Arctic air brings low pressure, causing cold fronts and storms. Spring and fall have more moderate pressure, with mild temperatures. Summer brings warm, high pressure, leading to hot and humid days.
Shell Rock has a humid continental climate, with big temperature differences between seasons. This climate type leads to larger air pressure changes throughout the year, making the weather more unpredictable.