N F Flathead River, Columbia Falls, Montana · River
The current water temperature at N F Flathead River is 5.1 °C (as of November 1, 2026, source: USGS).
A river can change temperature within hours — snowmelt, rain or power-plant operations show up immediately. That is why the measured value counts here, not an estimate.
This measurement series includes 472 data points since September 7, 2026.
Lowest recorded value: 4.6 °C on October 26, 2026 · highest value: 14.3 °C on September 11, 2026.
Can you swim at N F Flathead River right now?
The current water temperature is 5.1 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at N F Flathead River?
Currently 5.1 °C (updated continuously).