Big Thompson, Moraine Park near Estes Park, Colorado · River
The current water temperature at Big Thompson is 0.9 °C (as of November 6, 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 524 data points since September 7, 2026.
Lowest recorded value: 0.5 °C on November 4, 2026 · highest value: 19.0 °C on September 7, 2026.
In November, temperatures have ranged between 0.5 °C and 7.6 °C.
The current value is 3.7 °C below the November average of this series.
Can you swim at Big Thompson right now?
The current water temperature is 0.9 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Big Thompson?
Currently 0.9 °C (updated continuously).
How warm is at Big Thompson in November?
In November, the water temperature recently averaged 4.6 °C.
When is the water warmest at Big Thompson?
Across the measurement record, September is on average the warmest month (12.5 °C).