Barometric Pressure
Barometric Pressure in Allegan, United States 
1018.6 hPa
12.6 ℃
55%
1.24 m/s
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The average pressure in Allegan, Michigan, United States today is , which is considered normal. Pressure is trending steady.
Weather prediction: Changeable, mending
Rapid Pressure Changes
Rapid pressure changes detected in Allegan, often a sign of approaching weather shifts. See the forecast chart or get pressure alerts.
- Rapid Rise : ()
The daily total fluctuation in pressure in Allegan is , with a low of and a high of .
Forecast
Hourly Pressure Trends
Track the barometric pressure in Allegan hour by hour across the next 6 hourly readings.
Allegan, Michigan is near Lake Michigan, which affects air pressure. Mountains to the west block weather from the west, making Allegan's air pressure higher than areas east of the lake. In winter, cold air from Canada makes air pressure lower, causing cold weather and snow. In summer, warm air from the Gulf of Mexico raises air pressure, bringing warm and sunny weather. Allegan has a humid continental climate, with big temperature differences between winter and summer, affecting air pressure.