Gallatin River above Deer Creek, near Big Sky, Montana · River
The current water temperature at Gallatin River above Deer Creek is 15.5 °C (as of July 18, 2026, source: USGS).
Can you swim at Gallatin River above Deer Creek right now?
The current water temperature is 15.5 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Gallatin River above Deer Creek?
Currently 15.5 °C (updated continuously).
How warm is at Gallatin River above Deer Creek in July?
In July, the water temperature recently averaged 15.0 °C.