Barometric Pressure in Big Sky, United States 
1019.3 hPa
-4.9 ℃
69%
2.92 m/s
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The average pressure in Big Sky, Montana, United States today is , which is considered normal. Pressure is trending falling.
Weather prediction: Rain at times, very unsettled
Rapid Pressure Changes
Rapid pressure changes detected in Big Sky, often a sign of approaching weather shifts. See the forecast chart or get pressure alerts.
- Rapid Fall : ()
- Rapid Fall : ()
- Rapid Fall : ()
- Rapid Fall : ()
- Rapid Fall : ()
The daily total fluctuation in pressure in Big Sky is , with a low of and a high of .
Forecast
Hourly Pressure Trends
Track the barometric pressure in Big Sky hour by hour across the next 6 hourly readings.
Big Sky's weather has high and low air pressure systems that bring different weather patterns. When high pressure is over Big Sky, the air is sinking, making the weather calm and clear.
The mountains surrounding Big Sky make the air pressure rise and fall, creating different weather conditions. As air rises over the mountains, it cools, and the water in the air turns to snow or rain.
In winter, cold Arctic air brings low pressure and snowstorms. In summer, warm air from the Gulf of Mexico brings high pressure and sunny weather. Spring and fall are mixtures of these patterns.
Big Sky has a continental climate with cold winters and warm summers. The changing air pressure during the seasons makes Big Sky's weather vary greatly.