Barometric Pressure in Ottumwa, United States 
0000 hPa
00.0 ℃
00.0 m/s
00.0%
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The pressure in Ottumwa, Iowa, United States is predicted to rapidly rise over the next few hours, with an average pressure of 991.8 hPa today, which is lower than normal.
Weather prediction: Expect shortly fair weather and gale or storm winds
The daily total fluctuation in pressure in Ottumwa is 13.2 hPa, with a low of 982.6 hPa and a high of 995.8 hPa.
Forecast
Hourly Pressure Trends
Track the barometric pressure in Ottumwa hour by hour and stay informed about how it will change over the next 6 hours.
The barometric pressure in Ottumwa, Iowa is influenced by the city's location in the Midwest. Pressure systems from the Rocky Mountains and the Gulf of Mexico meet here. This collision of air masses affects the pressure. The result is a varied pressure pattern throughout the year.
Ottumwa lies in the southeastern part of Iowa, surrounded by rolling hills and plains. The Iowa River flows through the city. To the west and north, the terrain is relatively flat. This landscape allows winds to move freely. Pressure systems can move quickly into the area.
The Des Moines River forms the eastern border of Ottumwa. The river valley has a slight elevation drop. This feature can trap or redirect winds. It also influences the flow of air masses into the area. As a result, the atmospheric pressure can fluctuate.