Barometric Pressure in Collinsville, Illinois, US

The pressure in Collinsville, United States is predicted to slowly drop over the next few hours, with an average pressure of 1000.4 hPa today, which is lower than normal.

Weather prediction: Expect more wet and unsettled conditions

The daily total fluctuation in pressure in Collinsville is 24.3 hPa, with a low of 987.7 hPa and a high of 1012 hPa. The daily average here is higher than in most cities around the world.

Forecast

Barometric pressure in Collinsville, Illinois is influenced by the city's location in the Midwestern United States. Weather patterns from the Gulf of Mexico and the Arctic Circle collide in the region. This mix of cold and warm air masses causes frequent changes in atmospheric pressure.

Collinsville is situated in a valley near the Mississippi River. The surrounding landscape is relatively flat, with rolling hills and plains. This topography allows winds to flow freely, contributing to fluctuations in barometric pressure. The proximity to the river also plays a role, as moisture from the water can influence local weather patterns.