Clark Fork above Missoula, Montana water temperature
Clark Fork above Missoula, Montana · River
The current water temperature at Clark Fork above Missoula is 17.7 °C (as of September 2, 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.
Measurement series & statistics
This measurement series includes 248 data points since July 4, 2026.
Lowest recorded value: 13.7 °C on August 31, 2026 · highest value: 22.8 °C on July 24, 2026.
In September, temperatures have ranged between 14.1 °C and 17.7 °C.
The current value is 1.6 °C above the September average of this series.
Nearby waters
Frequently asked questions
Can you swim at Clark Fork above Missoula right now?
The current water temperature is 17.7 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Clark Fork above Missoula?
Currently 17.7 °C (updated continuously).
How warm is at Clark Fork above Missoula in September?
In September, the water temperature recently averaged 16.1 °C.
When is the water warmest at Clark Fork above Missoula?
Across the measurement record, July is on average the warmest month (19.5 °C).
