Flathead River at Columbia Falls, Montana water temperature

Flathead River at Columbia Falls, Montana · River

The current water temperature at Flathead River at Columbia Falls is 15.4 °C (as of August 31, 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.

15.4 °C

Measured: August 31, 2026 · continuously updated

💧 Water 15.4° · ☀️ Air 21.6° · high today 27.0°

Temperature trend of recent weeks

Flathead River at Columbia Falls, Montana — Photo: Wtustin3 · CC BY-SA 3.0 · Wikimedia Commons

Measurement series & statistics

This measurement series includes 221 data points since July 3, 2026.

Lowest recorded value: 12.5 °C on July 3, 2026 · highest value: 18.0 °C on July 18, 2026.

Nearby waters

S F Flathead River near Columbia Falls, Montana · 10.9 km away14.6 °C N F Flathead River near Columbia Falls, Montana · 15.5 km away14.7 °C M F Flathead River near West Glacier, Montana · 19.7 km away12.0 °C S F Flathead River above Twin C near Hungry Horse, Montana · 62.9 km away15.6 °C Flathead River near Polson, Montana · 75.9 km away21.1 °C

Frequently asked questions

Can you swim at Flathead River at Columbia Falls right now?
The current water temperature is 15.4 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at Flathead River at Columbia Falls?
Currently 15.4 °C (updated continuously).

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