Stillwell Creek, Sixteenth Court near Tomah, Wisconsin · River
The current water temperature at Stillwell Creek is 15.2 °C (as of September 21, 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 406 data points since July 23, 2026.
Lowest recorded value: 15.0 °C on August 20, 2026 · highest value: 21.6 °C on September 9, 2026.
In September, temperatures have ranged between 15.2 °C and 21.6 °C.
The current value is 3.1 °C below the September average of this series.
Can you swim at Stillwell Creek right now?
The current water temperature is 15.2 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Stillwell Creek?
Currently 15.2 °C (updated continuously).
How warm is at Stillwell Creek in September?
In September, the water temperature recently averaged 18.3 °C.
When is the water warmest at Stillwell Creek?
Across the measurement record, September is on average the warmest month (18.3 °C).