Barometric Pressure in Butte, United States 
1017.2 hPa
9.4 ℃
33%
0.5 m/s
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The average pressure in Butte, Montana, United States today is , which is considered normal. Pressure is trending falling.
Weather prediction: Rain at frequent intervals
Rapid Pressure Changes
Rapid pressure changes detected in Butte, often a sign of approaching weather shifts. See the forecast chart or get pressure alerts.
- Rapid Fall : ()
- Rapid Rise : ()
- Rapid Rise : ()
- Rapid Fall : ()
- Rapid Rise : ()
The daily total fluctuation in pressure in Butte is , with a low of and a high of .
Forecast
Hourly Pressure Trends
Track the barometric pressure in Butte hour by hour across the next 6 hourly readings.
Butte, Montana's air pressure is affected by its location in the western United States, where high-pressure systems from the west meet low-pressure systems from the east.
Mountain ranges surround Butte, creating a "bowl" effect that traps air, increasing pressure. Valleys allow air to escape, decreasing pressure.
In summer, high pressure brings hot, dry air from the southwest. In winter, low pressure brings cold, snowy air from the northwest.
Butte has a semi-arid climate with low humidity and moderate temperatures, which are influenced by the pressure changes from surrounding mountain ranges.