Barometric Pressure in Fort Madison, United States 
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The pressure in Fort Madison, Iowa, United States is predicted to slowly drop over the next few hours, with an average pressure of 990.7 hPa today, which is lower than normal.
Weather prediction: Expect more wet and unsettled conditions
The daily total fluctuation in pressure in Fort Madison is 4.4 hPa, with a low of 987.9 hPa and a high of 992.3 hPa.
Forecast
Hourly Pressure Trends
Track the barometric pressure in Fort Madison hour by hour and stay informed about how it will change over the next 6 hours.
Weather patterns in Fort Madison cause changes in barometric pressure, making it rise and fall daily. Pressure changes are influenced by fronts moving into the area.
Fort Madison's low elevation near the Mississippi River and flat landscape allow air masses to move freely, affecting atmospheric pressure. The landscape does not block air flows.
In winter, pressure is low due to cold Arctic air, bringing cold fronts and snow. Spring and fall bring variable pressure, with warm and cold air clashing. Summer has high pressure, with warm air dominating.
Fort Madison has a humid continental climate, resulting in big pressure fluctuations between seasons, making weather forecasts useful for planning daily activities.