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South Fork Sun River near Augusta MT water level

River gauge, South Fork Sun River, Montana, United States

Directions

Right now

Normal for mid-October

Water level

1.17ft Steady over the last 24 hours

Flow
90.5 cfs
-1 0 1 3

History

History
1.171.181.191.20ftOct 16Oct 17Oct 18Oct 19Oct 201.171.181.191.20ftOct 16Oct 18Oct 20
Water level

What this means

Water levels are unremarkable at South Fork Sun River near Augusta MT, where the gauge shows 1.17 ft.

The level has held steady over the past 24 hours. The 30-day range is 1.17 ft – 1.20 ft.

Fall is often low-water season on rivers, until steadier rain returns.

Compared with 5 years of daily readings for this time of year. How to read levels

Paddling and fishing conditions

Most paddlers and anglers will find the river in good shape at this stage.

Weather at the gauge

No rain in the last 3 days.

19 Mon 66° 41° – Wind 8 mph
20 Tue 55° 39° – Wind 12 mph
21 Wed 67° 33° – Wind 8 mph
22 Thu 67° 45° 0.01 in, 38% Wind 7 mph
23 Fri 51° 33° 0.01 in, 78% Wind 17 mph
24 Sat 47° 28° 0.04 in, 55% Wind 8 mph
25 Sun 49° 24° – Wind 4 mph

Forecast: Open-Meteo

Sunrise 07:58 AM Sunset 06:36 PM Daylight 10 hr, 37 min First quarter 69%

Map

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
North Fork Sun River near Augusta MTRiver gauge, North Fork Sun River 3.40 ft Below flood stage −0.01 ft 0.8 mi
Gibson ReservoirReservoir 4,612.52 ft Low 5.2 mi
Sun River below Diversion Dam near Augusta MTRiver gauge, Sun River 209 cfs Normal −2.0 cfs 8 mi
Pishkun Reservoir and DikesReservoir 4,349.24 ft Low 17 mi
Willow Creek ReservoirReservoir 4,129.27 ft Normal 21 mi
Teton River below South Fork near Choteau MTRiver gauge, Teton River 4.34 ft Below flood stage −0.01 ft 21 mi
Sun River below Willow Cr near Augusta MTRiver gauge, Sun River 210 cfs High −9.0 cfs 24 mi
S F Flathead R above Twin C near Hungry Horse MTRiver gauge, S F Flathead R 416 cfs Normal −5.0 cfs 40 mi

Questions and answers

Is gage height the same as water depth?

No. Gage height is measured from a fixed reference point chosen by the agency, so a reading of 10 ft does not mean the river is 10 ft deep.

What is the water level of South Fork Sun River near Augusta MT today?

On Oct 20, 2026, 08:15 AM MDT, the water level was 1.17 ft. Steady over the last 24 hours.

Is South Fork Sun River near Augusta MT rising or falling?

Steady over the last 24 hours.

Is the level of South Fork Sun River near Augusta MT normal?

Normal for mid-October. Compared with 5 years of daily readings for this time of year.

How often is this data updated?

The U.S. Geological Survey publishes a new reading every 15 minutes. This page refreshes within minutes of each update.

Where does this data come from?

The values come directly from the U.S. Geological Survey, the official operator of this gauge, and are in the public domain. We do not estimate or model live values.

For specialists

Station codes, datum, parameters, data quality and downloads
Operator
U.S. Geological Survey
Station code
usgs:06079000 (Agency page)
Coordinates
47.62861, -112.86576 (WGS84)
Vertical datum
NGVD29
Update interval
every 15 minutes
Licence
Public domain. Data: U.S. Geological Survey (USGS), provisional data subject to revision

Published series

ParameterLast valueTime (UTC)Quality
Water level 1.17 ft 2026-10-20 14:15 Provisional
Flow 90.5 cfs 2026-10-20 14:15 Provisional

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How to cite

U.S. Geological Survey: South Fork Sun River near Augusta MT (usgs:06079000). Accessed October 20, 2026 via Nivelmap, https://nivelmap.com/en/united-states/montana/south-fork-sun-river-near-augusta-mt

How we check values

Each reading is stored as published. We hold back values that jump faster than physically plausible and show the measurement time with every value.