Barometric Pressure in Belleville, Illinois, US

The pressure in Belleville, United States is predicted to drop over the next few hours, with an average pressure of 1014.2 hPa today, which is considered normal.

Weather prediction: Expect wet, unsettled weather and a strong breeze

The daily total fluctuation in pressure in Belleville is 3.1 hPa, with a low of 1012.7 hPa and a high of 1015.8 hPa. The daily average here is higher than in most cities around the world.

Forecast

The weather in Belleville, Illinois changes often, causing barometric pressure to rise and fall. This change happens when high and low-pressure systems move into the area.

Belleville's 500-foot elevation and flat landscape allow high-pressure systems to move in quickly. This leads to big changes in atmospheric pressure over short periods.

In winter, high pressure often brings cold air, causing pressure to rise. In summer, low pressure brings warm air, causing pressure to fall. Spring and fall bring mixtures of high and low pressure.

Belleville has a humid continental climate, which means big pressure changes bring big weather changes, like storms in spring and cold fronts in winter.