Barometric Pressure in Haleyville, United States 
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The pressure in Haleyville, Alabama, United States is predicted to steady drop over the next few hours, with an average pressure of 986.6 hPa today, which is lower than normal.
Weather prediction: Continued current weather
The daily total fluctuation in pressure in Haleyville is 5.1 hPa, with a low of 984.5 hPa and a high of 989.6 hPa.
Forecast
Hourly Pressure Trends
Track the barometric pressure in Haleyville hour by hour and stay informed about how it will change over the next 6 hours.
Haleyville's weather has changes in air pressure because of its location near the Appalachian Mountains.
The mountains block and redirect air masses, causing pressure to rise and fall.
Haleyville's valley shape allows cold air to settle and warm air to rise, changing pressure.
In winter, cold air from the north brings low pressure and rain.
In summer, warm air from the Gulf of Mexico brings high pressure and heat.
Spring and fall have mild pressure, with gentle breezes.
Haleyville has a humid subtropical climate, with overall high pressure in summer and low pressure in winter.