Madison River below Hebgen Lake near Grayling, Montana · River
The current water temperature at Madison River below Hebgen Lake near Grayling is 14.6 °C (as of July 17, 2026, source: USGS).
Can you swim at Madison River below Hebgen Lake near Grayling right now?
The current water temperature is 14.6 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Madison River below Hebgen Lake near Grayling?
Currently 14.6 °C (updated continuously).
How warm is at Madison River below Hebgen Lake near Grayling in July?
In July, the water temperature recently averaged 14.5 °C.