0000 hPa
00.00 inHg
00.0 ℃
0.00 ℉
00.0 m/s
00.0 mph
00.0%
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The pressure in Helena, United States is predicted to rapidly rise over the next few hours, with an average pressure of 1010.9 hPa today, which is considered normal.
Weather prediction: Expect shortly fair weather and gale or storm winds
The daily total fluctuation in pressure in Helena is 4.7 hPa, with a low of 1007.2 hPa and a high of 1011.9 hPa. The daily average here is lower than in most cities around the world.
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.