Barometric Pressure in East Alton, United States 
0000 hPa
00.0 ℃
00.0 m/s
00.0%
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The pressure in East Alton, Illinois, United States is predicted to drop over the next few hours, with an average pressure of 1004.9 hPa today, which is lower than normal.
Weather prediction: Expect wet, unsettled weather and a strong breeze
The daily total fluctuation in pressure in East Alton is 7.6 hPa, with a low of 1000 hPa and a high of 1007.6 hPa.
Forecast
Hourly Pressure Trends
Track the barometric pressure in East Alton hour by hour and stay informed about how it will change over the next 6 hours.
The barometric pressure in East Alton, Illinois averages around 30.12 inches. This is slightly higher than the national average. Pressure is highest in October and November.
East Alton is situated in the Midwestern United States. The city lies near the Mississippi River. The river's presence affects the local climate.
The surrounding landscape is relatively flat. This allows air masses to move freely. As a result, pressure systems can shift quickly. East Alton's proximity to the river also enhances this effect.