Live
Montana barometric pressure today
Right now the highest pressure in Montana is Missoula, 30.09 inHg (1019 hPa) and the lowest is Great Falls, 29.87 inHg (1012 hPa). Values are sea-level pressure from 7 airport weather stations.
| City | Station | inHg | 3 h |
|---|---|---|---|
| Billings, MT | KBIL | 29.92 | ↘ -0.3 |
| Missoula, MT | KMSO | 30.09 | ↗ +1.0 |
| Great Falls, MT | KGTF | 29.87 | ↘ -0.7 |
| Bozeman, MT | KBZN | 30.01 | ↘ -2.1 |
| Butte, MT | KBTM | 30.09 | ↗ +0.3 |
| Helena, MT | KHLN | 29.96 | ↘ -0.7 |
| Kalispell, MT | KGPI | 29.93 | ↗ +2.7 |
Elevation and pressure across Montana
The cities here run from about 2,956 ft in Kalispell to 5,538 ft in Butte. On a standard day that means about 26.86 inHg of actual air pressure in Kalispell and 24.40 inHg in Butte. The readings above are corrected to sea level, so any difference between stations comes from the weather, not the height.
Highest point in Montana · Sea-level vs station pressure · High vs low pressure
Nearby states
Frequently asked questions
What is the barometric pressure in Montana today?
The live map and station board on this page show sea-level pressure at 7 weather stations across Montana, including Billings and Missoula. Each reading is the latest airport report, checked about every 10 minutes.
Why does a barometer in Butte read lower than one in Kalispell?
Elevation. Butte sits at about 5,538 ft and Kalispell at about 2,956 ft, a gap worth roughly 2.46 inHg of actual air pressure on a standard day. Forecasts correct for that, so the sea-level values here can be compared directly.
Is the pressure rising or falling in Montana?
The last column of the station board shows the change over the last three hours, in hPa, for each station. Falling numbers usually mean clouds and rain are on the way; rising numbers mean clearing.