What is the current flow on South Fork Little Difficult Run?

South Fork Little Difficult Run was running 0 cubic feet per second as of Aug 1, 2026, 6:20 PM UTC, measured at USGS gauge 01645762. 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 South Fork Little Difficult Run?

73.4°F (23°C) as of Aug 1, 2026, 6:15 PM UTC, at USGS gauge 01645762. South Fork Little Difficult Run 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.

South Fork Little Difficult Run

Virginia. Streamflow and water-temperature readings from USGS gauges. Running 0 cfs as of Aug 1, 2026, 6:20 PM UTC.

Latest Reading

cubic feet / second

73.4°F

water temperature (23°C)

USGS gauge

Flow measured Aug 1, 2026, 6:20 PM UTC at gauge 01645762. Temperature measured Aug 1, 2026, 6:15 PM UTC at gauge 01645762. These are build-time snapshots, not a live feed — check the USGS gauge before relying on them.

USGS Gauges on South Fork Little Difficult Run

Gauge	Station	Water temp?
01645762	S F LITTLE DIFFICULT RUN ABOVE MOUTH NR VIENNA, VA	Yes

Fly fishing rivers →Virginia lakes →

Conditions: USGS NWIS (public domain).