Barometric Pressure in East Saint Louis, United States 
0000 hPa
00.0 ℃
00.0 m/s
00.0%
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The pressure in East Saint Louis, Illinois, United States is predicted to quickly drop over the next few hours, with an average pressure of today, which is lower than normal.
Weather prediction: Expect gale force weather
The daily total fluctuation in pressure in East Saint Louis is , with a low of and a high of .
Forecast
Hourly Pressure Trends
Track the barometric pressure in East Saint Louis hour by hour and stay informed about how it will change over the next 6 hours.
East Saint Louis has low air pressure during spring and summer due to warm air rising. This warm air creates thunderstorms and tornadoes. In winter, high air pressure brings cold air from Canada.
East Saint Louis's geography, near the Mississippi River, affects air pressure. The river and surrounding flat plains allow winds to move freely.
In spring, low pressure brings rain and storms. Summer low pressure results in hot and humid weather. Fall brings higher pressure with cooler temperatures.
East Saint Louis has a humid subtropical climate. This climate type means air pressure changes with the seasons. Hot summers have low pressure, while cold winters have high pressure.