What is the current flow on St Croix River?

St Croix River was running 2,590 cubic feet per second as of Aug 1, 2026, 6:00 PM UTC, measured at USGS gauge 05341550. 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 St Croix River?

77.9°F (25.5°C) as of Aug 1, 2026, 6:15 PM UTC, at USGS gauge 05341550. St Croix 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.

St Croix River

Minnesota. Streamflow and water-temperature readings from USGS gauges. Running 2,590 cfs as of Aug 1, 2026, 6:00 PM UTC.

Latest Reading

2,590

cubic feet / second

77.9°F

water temperature (25.5°C)

USGS gauge

Flow measured Aug 1, 2026, 6:00 PM UTC at gauge 05341550. Temperature measured Aug 1, 2026, 6:15 PM UTC at gauge 05341550. These are build-time snapshots, not a live feed — check the USGS gauge before relying on them.

USGS Gauges on St Croix River

Gauge	Station	Water temp?
05341550	ST. CROIX RIVER AT STILLWATER, MN	Yes

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Conditions: USGS NWIS (public domain).