GRAND RIVER NEAR THUNDER HAWK, SD
USGSSouth Dakota (45.7121, -101.92071) · View on map
Current reading
40.9 CFS
Gauge height: 5.10 FT
Read 24 minutes ago · Aug 25, 2026 2:00 PM CDT
Flow history — last 6 days
No readings recorded in the last 6 days.
Runs on this gauge
No runs currently read this gauge.