Barometric Pressure in Lewistown, Montana, US

The pressure in Lewistown, United States is predicted to slowly drop over the next few hours, with an average pressure of 867.2 hPa today, which is lower than normal.

Weather prediction: Expect more wet and unsettled conditions

The daily total fluctuation in pressure in Lewistown is 5.9 hPa, with a low of 864.8 hPa and a high of 870.7 hPa. The daily average here is lower than in most cities around the world.

Forecast

Weather patterns in Lewistown make barometric pressure rise and fall. Changes in pressure bring different types of weather. Low pressure often means rain or stormy weather. High pressure means clear skies and fair weather.

Lewistown's high elevation and surrounding mountains affect atmospheric pressure. The landscape makes air move upward, which cools and condenses, changing pressure. This creates unique weather patterns in the area.

In winter, pressure is often low, bringing snow and cold air. In summer, pressure is often high, bringing warm and dry air. Spring and fall have more variable pressure, with changing weather.

Lewistown has a semi-arid climate with low humidity. This means big changes in barometric pressure can bring sudden weather shifts, making the weather feel unpredictable and exciting.