Missouri River at Toston, Montana · River
The current water temperature at Missouri River at Toston is 19.4 °C (as of September 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 289 data points since July 3, 2026.
Lowest recorded value: 17.9 °C on August 31, 2026 · highest value: 26.3 °C on July 25, 2026.
Can you swim at Missouri River at Toston right now?
The current water temperature is 19.4 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Missouri River at Toston?
Currently 19.4 °C (updated continuously).