La Crosse River water temperature
La Crosse River, Cnty Trunk Highwy Bb near Tomah, Wisconsin · River
The current water temperature at La Crosse River is 13.8 °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.
Measurement series & statistics
This measurement series includes 433 data points since July 23, 2026.
Lowest recorded value: 12.8 °C on September 14, 2026 · highest value: 20.8 °C on July 27, 2026.
In September, temperatures have ranged between 12.8 °C and 19.2 °C.
The current value is 3.2 °C below the September average of this series.
Nearby waters
Frequently asked questions
Can you swim at La Crosse River right now?
The current water temperature is 13.8 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at La Crosse River?
Currently 13.8 °C (updated continuously).
How warm is at La Crosse River in September?
In September, the water temperature recently averaged 17.0 °C.
When is the water warmest at La Crosse River?
Across the measurement record, July is on average the warmest month (17.1 °C).
