What is the current flow on Blue River?

Blue River was running 337 cubic feet per second as of Aug 1, 2026, 6:00 PM UTC, measured at USGS gauge 09057500. This is a build-time snapshot rather than a live reading — check the USGS gauge directly before relying on it.

What is the water temperature on Blue River?

59.4°F (15.2°C) as of Aug 1, 2026, 6:00 PM UTC, at USGS gauge 09046600. Blue River carries no state trout classification, so the trout-stress thresholds do not apply to it — this is a water temperature measurement, not a fishery judgement.

Blue River

Colorado. Streamflow and water-temperature readings from USGS gauges. Running 337 cfs as of Aug 1, 2026, 6:00 PM UTC.

Latest Reading

337

cubic feet / second

59.4°F

water temperature (15.2°C)

USGS gauges

Flow measured Aug 1, 2026, 6:00 PM UTC at gauge 09057500. Temperature measured Aug 1, 2026, 6:00 PM UTC at gauge 09046600. These are build-time snapshots, not a live feed — check the USGS gauge before relying on them.

USGS Gauges on Blue River

Gauge	Station	Water temp?
09046490	BLUE RIVER AT BLUE RIVER, CO.	—
09046600	BLUE RIVER NEAR DILLON, CO	Yes
09050700	BLUE RIVER BELOW DILLON, CO.	Yes
09053500	BLUE RIVER ABOVE GREEN MOUNTAIN RESERVOIR, CO.	—
09057500	BLUE RIVER BELOW GREEN MOUNTAIN RESERVOIR, CO	—

Fly fishing rivers →Colorado lakes →

Conditions: USGS NWIS (public domain).