Barometric Pressure in Macomb, United States 
Pressure
1013 hPa
Temperature
15.0 ℃
Humidity
50%
Wind
3.0 m/s
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Forecast
Hourly Pressure Trends
Track the barometric pressure in Macomb hour by hour across the next 6 hourly readings.
The barometric pressure in Macomb, Illinois, varies throughout the day. It rises and falls depending on weather systems moving into the area. High pressure brings fair weather. Low pressure leads to unsettled conditions.
Macomb is situated in western Illinois, surrounded by rolling hills and farmland. The nearby Mississippi River and surrounding plains allow air masses to move freely. This leads to changing weather patterns. Macomb's elevation is relatively low, which can cause pressure to fluctuate rapidly.