Barometric Pressure in Des Moines, United States 
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The pressure in Des Moines, Iowa, United States is predicted to quickly rise over the next few hours, with an average pressure of 992.3 hPa today, which is lower than normal.
Weather prediction: Expect more dry and cold weather and a strong breeze to gale winds
The daily total fluctuation in pressure in Des Moines is 6.9 hPa, with a low of 988.2 hPa and a high of 995.1 hPa.
Forecast
Hourly Pressure Trends
Track the barometric pressure in Des Moines hour by hour and stay informed about how it will change over the next 6 hours.
The barometric pressure in Des Moines, Iowa averages around 30.12 inches of mercury. This is slightly above the national average.
Des Moines is located in the Midwest, surrounded by flat plains. There are no mountains nearby to block air masses.
These plains allow air from Canada to move freely into the region. This cold air brings low-pressure systems.
In the summer, warm air from the Gulf of Mexico moves north. This brings high-pressure systems and warm temperatures.