Barometric Pressure in Defiance, United States 
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The pressure in Defiance, Missouri, United States is predicted to slowly drop over the next few hours, with an average pressure of 987.4 hPa today, which is lower than normal.
Weather prediction: Expect more wet and unsettled conditions
The daily total fluctuation in pressure in Defiance is 4.5 hPa, with a low of 984.6 hPa and a high of 989.1 hPa.
Forecast
Hourly Pressure Trends
Track the barometric pressure in Defiance hour by hour and stay informed about how it will change over the next 6 hours.
The weather in Defiance, Missouri, affects barometric pressure by changing it frequently due to storms and cold fronts that move through the region. These changes can be large and sudden.
Defiance's elevation of about 500 feet above sea level and its location in a valley affect atmospheric pressure. The surrounding hills and valleys can trap air and change pressure.
In the summer, pressure is usually lower due to hot air rising. In the winter, pressure is usually higher due to cold air sinking. Spring and fall bring more variable pressure.
Defiance has a humid continental climate, which means it has cold winters and hot summers. This climate leads to large fluctuations in barometric pressure, making the weather feel more unpredictable.