Barometric Pressure in Waterloo, 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 Waterloo hour by hour across the next 6 hourly readings.
Waterloo, Illinois has changing air pressure due to its location in the Midwest. The city's flat plains allow winds to move freely, causing pressure changes. In summer, high pressure brings warm, sunny days. In winter, low pressure brings cold, snowy weather. Waterloo has a humid continental climate, with big temperature differences between seasons, affecting air pressure.