Middle Fork Flathead River water temperature

Middle Fork Flathead River, West Glacier, Montana · River

The current water temperature at Middle Fork Flathead River is 10.5 °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.

10.5 °C

Measured: October 1, 2026 · continuously updated

💧 Water 10.5° · ☀️ Air 1.0° · high today 7.3°

Temperature trend of recent weeks

Measurement series & statistics

This measurement series includes 184 data points since September 7, 2026.

Lowest recorded value: 7.3 °C on September 28, 2026 · highest value: 13.1 °C on September 10, 2026.

Nearby waters

M F Flathead River near West Glacier, Montana · 2.6 km away12.0 °C N F Flathead River, Columbia Falls, Montana · 11.1 km away5.1 °C S F Flathead River, Columbia Falls, Montana · 16.5 km away6.7 °C Flathead River, Columbia Falls, Montana · 21.7 km away5.4 °C S F Flathead River, Twin C near Hungry Horse, Montana · 65.5 km away10.8 °C

Frequently asked questions

Can you swim at Middle Fork Flathead River right now?
The current water temperature is 10.5 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at Middle Fork Flathead River?
Currently 10.5 °C (updated continuously).

← All waters · Warmest rivers today · Water temperature in United States