Barometric Pressure in Roselle, United States 
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The pressure in Roselle, Illinois, United States is predicted to drop over the next few hours, with an average pressure of 987.8 hPa today, which is lower than normal.
Weather prediction: Expect wet, unsettled weather and a strong breeze
The daily total fluctuation in pressure in Roselle is 7.9 hPa, with a low of 982.6 hPa and a high of 990.5 hPa.
Forecast
Hourly Pressure Trends
Track the barometric pressure in Roselle hour by hour and stay informed about how it will change over the next 6 hours.
Roselle's weather has high air pressure in the winter and low air pressure in the summer, causing different types of weather.
Cold Canadian air masses from the north bring dry air, causing high pressure in winter, making it cold and snowy.
In summer, warm, moist air from the Gulf of Mexico brings low pressure, leading to hot and humid weather with thunderstorms.
Roselle's flat geography allows these air masses to move easily, making pressure changes more extreme and weather patterns more unpredictable.
Roselle has a humid continental climate, which means big temperature differences between winter and summer, leading to big pressure changes and varying weather.