St. Louis River at Scanlon, Minnesota · River
The current water temperature at St. Louis River at Scanlon is 16.7 °C (as of September 20, 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 452 data points since July 22, 2026.
Lowest recorded value: 16.7 °C on September 20, 2026 · highest value: 26.6 °C on July 31, 2026.
In September, temperatures have ranged between 16.7 °C and 23.6 °C.
The current value is 4.7 °C below the September average of this series.
Can you swim at St. Louis River at Scanlon right now?
The current water temperature is 16.7 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at St. Louis River at Scanlon?
Currently 16.7 °C (updated continuously).
How warm is at St. Louis River at Scanlon in September?
In September, the water temperature recently averaged 21.4 °C.
When is the water warmest at St. Louis River at Scanlon?
Across the measurement record, July is on average the warmest month (25.0 °C).