Barometric Pressure in Helena, United States 
0000 hPa
00.0 ℃
00.0 m/s
00.0%
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The pressure in Helena, Montana, United States is predicted to slowly rise over the next few hours, with an average pressure of 873.1 hPa today, which is lower than normal.
Weather prediction: Expect more fair, dry, cool weather
The daily total fluctuation in pressure in Helena is 3.3 hPa, with a low of 871.9 hPa and a high of 875.2 hPa.
Forecast
Hourly Pressure Trends
Track the barometric pressure in Helena hour by hour and stay informed about how it will change over the next 6 hours.
The barometric pressure in Helena, Montana is influenced by its location in the northwestern United States. It fluctuates throughout the year due to changing weather patterns.
The pressure can drop significantly during storms. This brings rain and snow to the area.
The city is situated in a valley surrounded by mountains. These mountains block or redirect air masses. They also force warm air to rise, cool, and condense. This leads to precipitation.
The nearby Continental Divide affects the flow of air. It splits the prevailing westerly winds, creating different weather patterns.