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Marias River near Chester MT water level

River gauge, Marias River, Montana, United States

Directions

Right now

Normal for mid-October

Water level

3.43ft Steady over the last 24 hours

Flow
515 cfs
5 8 10 Highest onrecord 10.63 ft

History

History
3.433.443.44ftOct 16Oct 17Oct 18Oct 19Oct 203.433.443.44ftOct 16Oct 18Oct 20
Water level

What this means

Water levels are unremarkable at Marias River near Chester MT, where the gauge shows 3.43 ft.

The level has held steady over the past 24 hours. The 30-day range is 3.43 ft – 3.44 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

Key numbers

Highest on record
10.63 ftJune 16, 1964

Paddling and fishing conditions

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

Highest crests on record

RankLevelDate
110.63 ftJune 16, 1964
27.98 ftJuly 27, 1975
37.83 ftJune 24, 1975
47.76 ftJune 20, 2002
57.47 ftJune 18, 1997
67.44 ftJune 14, 2006
77.24 ftJuly 17, 1995
86.88 ftJune 7, 2008
96.77 ftJuly 2, 1959
106.62 ftJuly 24, 1970

Weather at the gauge

The forecast is not available right now.

Sunrise 07:52 AM Sunset 06:27 PM Daylight 10 hr, 35 min First quarter 64%

Map

Other gauges on the Marias River

Gauge Level Compared with normal 24 hours Distance
Marias River near Shelby MTRiver gauge, Marias River 2.82 ft Below flood stage −0.02 ft 38 mi
Marias River near Loma MTRiver gauge, Marias River 490 cfs Normal ±0 34 mi

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
Lake Elwell and TiberLake 2,987.25 ft High 1.0 mi
Willow Creek near GalataRiver gauge, Willow Creek 0.0 cfs Normal ±0 16 mi
Teton River at Loma MTRiver gauge, Teton River 2.19 ft No reference yet +0.03 ft 37 mi
Missouri River at Fort Benton MTRiver gauge, Missouri River 1.98 ft Below flood stage −0.03 ft 39 mi
Missouri River at Virgelle MTRiver gauge, Missouri River 3.01 ft Below flood stage +0.07 ft 43 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 Marias River near Chester MT today?

On Oct 19, 2026, 08:15 PM MDT, the water level was 3.43 ft. Steady over the last 24 hours.

Is Marias River near Chester MT rising or falling?

Steady over the last 24 hours.

Is the level of Marias River near Chester MT normal?

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

What is the highest water level ever recorded at Marias River near Chester MT?

The highest level on record is 10.63 ft on June 16, 1964.

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:06101500 (Agency page)
Coordinates
48.30596, -111.08053 (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 3.43 ft 2026-10-20 02:15 Provisional
Flow 515 cfs 2026-10-20 02:15 Provisional

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How to cite

U.S. Geological Survey: Marias River near Chester MT (usgs:06101500). Accessed October 20, 2026 via Nivelmap, https://nivelmap.com/en/united-states/montana/marias-river-near-chester-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.