Barometric Pressure in Lethbridge, Canada 
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The pressure in Lethbridge, Alberta, Canada is predicted to quickly drop over the next few hours, with an average pressure of 915 hPa today, which is lower than normal.
Weather prediction: Expect gale force weather
The daily total fluctuation in pressure in Lethbridge is 16.6 hPa, with a low of 905.5 hPa and a high of 922.1 hPa.
Forecast
Hourly Pressure Trends
Track the barometric pressure in Lethbridge hour by hour and stay informed about how it will change over the next 6 hours.
The weather in Lethbridge, Alberta, Canada brings changes in air pressure due to systems moving east from the Pacific Ocean and west from the Great Plains. These systems cause pressure to rise and fall.
Lethbridge's high elevation and valley location create a unique landscape that affects air pressure. The surrounding Rocky Mountains block some air masses, while others flow down the valley.
In winter, Lethbridge's pressure is generally low, bringing cold and snow. In summer, pressure is higher, causing warm and dry conditions. Spring and fall have varying pressure, leading to mix of weather.
Lethbridge has a semi-arid climate, which means pressure can fluctuate greatly. This leads to rapidly changing weather conditions that locals and visitors must adapt to.
(177 km)