0000 hPa
00.00 inHg
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The pressure in East Alton, United States is predicted to steady drop over the next few hours, with an average pressure of 1014.2 hPa today, which is considered normal.
Weather prediction: Continued current weather
The daily total fluctuation in pressure in East Alton is 5.2 hPa, with a low of 1012.1 hPa and a high of 1017.3 hPa. The daily average here is higher than in most cities around the world.
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.