River gauges›South Dakota
RIVER GAUGE · SOUTH FORK GRAND RIVER

South Fork Grand River at Hwy 79

Perkins County, South Dakota

Water level2572.78 ft
Flow—
Last readingSep 16, 2026, 5:15 PM UTC (last recorded)
Action2580 ft
Minor flood2582 ft
Moderate flood2584 ft
Major flood2586 ft

The past week

Loading chart…

What floods at each level

When the water runs low

More on South Fork Grand River

Get an alert when South Fork Grand River rises

Save this gauge in the free StormCast app and pick the level that matters to you. Your phone goes off when the water gets there.

A river gauge in the StormCast app

← All South Dakota gauges · Search another river