S F Flathead River water temperature

S F Flathead River, Twin C near Hungry Horse, Montana · River

The current water temperature at S F Flathead River is 10.8 °C (as of October 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.

10.8 °C

Measured: October 1, 2026 · continuously updated

💧 Water 10.8° · ☀️ Air -1.4° · high today 6.3°

Temperature trend of recent weeks

Measurement series & statistics

This measurement series includes 180 data points since September 7, 2026.

Lowest recorded value: 7.5 °C on September 28, 2026 · highest value: 14.9 °C on September 19, 2026.

Nearby waters

S F Flathead River, Columbia Falls, Montana · 54.9 km away6.7 °C Flathead River, Polson, Montana · 61.0 km away8.5 °C Flathead River, Columbia Falls, Montana · 62.9 km away5.4 °C Middle Fork Flathead River, West Glacier, Montana · 65.5 km away10.5 °C M F Flathead River near West Glacier, Montana · 66.4 km away12.0 °C

More measuring points: S F Flathead River

Columbia Falls, Montana6.7 °C

Frequently asked questions

Can you swim at S F Flathead River right now?
The current water temperature is 10.8 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at S F Flathead River?
Currently 10.8 °C (updated continuously).

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