Barometric Pressure in Collinsville, United States 
0000 hPa
00.0 ℃
00.0 m/s
00.0%
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The pressure in Collinsville, Illinois, United States is predicted to drop over the next few hours, with an average pressure of 996.8 hPa today, which is lower than normal.
Weather prediction: Expect wet, unsettled weather and a strong breeze
The daily total fluctuation in pressure in Collinsville is 4.8 hPa, with a low of 994.6 hPa and a high of 999.4 hPa.
Forecast
Hourly Pressure Trends
Track the barometric pressure in Collinsville hour by hour and stay informed about how it will change over the next 6 hours.
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.