Barometric Pressure in Great Falls, United States 
1013 hPa
15.0 ℃
50%
3.0 m/s
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Forecast
Hourly Pressure Trends
Track the barometric pressure in Great Falls hour by hour across the next 6 hourly readings.
Great Falls has low air pressure in winter due to cold air from Canada. This brings snow and cold temperatures.
In summer, high air pressure dominates with warm air from the southwest. This brings sunshine and dry conditions.
The city's geography, near the Rocky Mountains and Missouri River, affects air pressure. Moist air rises over mountains, cools, and condenses.
Seasonal pressure changes bring different weather. Spring and fall have changeable pressure, leading to unpredictable weather.
Great Falls has a semi-arid climate with large diurnal temperature ranges. This leads to low humidity and significant air pressure changes.
(192 km)