Barometric Pressure in Great Falls, United States 
1020.3 hPa
-0.1 ℃
98%
2.06 m/s
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The average pressure in Great Falls, Montana, United States today is , which is considered normal. Pressure is trending falling.
Weather prediction: Rain at times, worse later
Rapid Pressure Changes
Rapid pressure changes detected in Great Falls, often a sign of approaching weather shifts. See the forecast chart or get pressure alerts.
- Rapid Rise : ()
- Rapid Fall : ()
- Rapid Rise : ()
The daily total fluctuation in pressure in Great Falls is , with a low of and a high of .
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)