What is the current flow on Big River?

Big River was running 1,870 cubic feet per second as of Aug 1, 2026, 6:30 PM UTC, measured at USGS gauge 07018100. 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 Big River?

75°F (23.9°C) as of Aug 1, 2026, 5:30 PM UTC, at USGS gauge 07017610. Big 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.

Big River

Missouri. Streamflow and water-temperature readings from USGS gauges. Running 1,870 cfs as of Aug 1, 2026, 6:30 PM UTC.

Latest Reading

1,870

cubic feet / second

75°F

water temperature (23.9°C)

USGS gauges

Flow measured Aug 1, 2026, 6:30 PM UTC at gauge 07018100. Temperature measured Aug 1, 2026, 5:30 PM UTC at gauge 07017610. These are build-time snapshots, not a live feed — check the USGS gauge before relying on them.

USGS Gauges on Big River

Gauge	Station	Water temp?
07017200	Big River at Irondale, MO	—
07017260	Big River below Desloge, MO	—
07017610	Big River below Bonne Terre, MO	Yes
07018100	Big River near Richwoods, MO	—
07018500	Big River at Byrnesville, MO	Yes

Fly fishing rivers →Missouri lakes →

Conditions: USGS NWIS (public domain).