Barometric Pressure in Joplin, United States 
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The pressure in Joplin, Missouri, United States is predicted to steady drop over the next few hours, with an average pressure of 979.4 hPa today, which is lower than normal.
Weather prediction: Continued current weather
The daily total fluctuation in pressure in Joplin is 6.8 hPa, with a low of 975.8 hPa and a high of 982.6 hPa.
Forecast
Hourly Pressure Trends
Track the barometric pressure in Joplin hour by hour and stay informed about how it will change over the next 6 hours.
Joplin's weather is affected by its location in the Midwest, where cold air from Canada meets warm air from the Gulf of Mexico, causing changing air pressure.
The city's geography, with the Ozark Mountains to the south and the Great Plains to the north, blocks or redirects air masses, making air pressure rise or fall.
In winter, cold air dominates, bringing low pressure and cold fronts with snow and freezing rain. In summer, warm air takes over, causing high pressure and hot, humid days.
Joplin has a humid continental climate, with big temperature differences between winter and summer, which leads to frequent changes in air pressure and unpredictable weather.