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Musselshell River near Roundup MT water level

River gauge, Musselshell River, Montana, United States

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Right now

Below flood stage

Water level

1.31ft Down 0.04 ft over the last 24 hours

Flow
30.4 cfs
0 5 10 15 Highest onrecord 14.78 ft Minor floodstage 10.00 ft

History

History
1.301.351.40ftOct 16Oct 16Oct 17Oct 18Oct 191.301.351.40ftOct 16Oct 17Oct 19
Water level Minor flood stage

What this means

The Musselshell River near Roundup MT is at 1.31 ft, in the normal range.

It is 8.69 ft below the flood stage of 10.00 ft.

It has dropped 0.04 ft over the past 24 hours. In the last month it has stayed between 1.30 ft and 1.45 ft.

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

Judged against the official flood stage for this gauge. How to read levels

Key numbers

Highest on record
14.78 ftMay 26, 2011

Floating and fishing near Musselshell River near Roundup MT

Normal flows mean predictable rapids and good access at most put-ins.

Flood stage here is 10.00 ft, 8.69 ft above the current reading. Beyond it, the National Weather Service also defines moderate and major flood stages.

Highest crests on record

Chance of at least minor flooding in October to December: < 5 %.

RankLevelDate
114.78 ftMay 26, 2011
213.24 ftMarch 10, 2014
312.89 ftJune 22, 1975
412.78 ftFebruary 13, 1971
512.50 ftMarch 23, 1978
612.45 ftJune 18, 1967
711.58 ftJune 1, 2018
811.31 ftJune 14, 1997
911.00 ftJune 18, 1948
1010.23 ftJune 9, 2023

Weather at the gauge

The forecast is not available right now.

Sunrise 07:38 AM Sunset 06:22 PM Daylight 10 hr, 44 min First quarter 58%

Map

Other gauges on the Musselshell River

Gauge Level Compared with normal 24 hours Distance
Musselshell River near MartinsdaleRiver gauge, Musselshell River 28.6 cfs Normal −21.4 cfs 80 mi
Musselshell River at Harlowton MTRiver gauge, Musselshell River 3.06 ft Below flood stage −0.01 ft 61 mi
Musselshell River above Mud Cr near Shawmut MTRiver gauge, Musselshell River 2.45 ft Below flood stage ±0 43 mi
Musselshell River above Big Coulee Creek at Lavina MTRiver gauge, Musselshell River 1.30 ft Below flood stage −0.03 ft 20 mi
Musselshell River at Musselshell MTRiver gauge, Musselshell River 2.04 ft Below flood stage −0.03 ft 23 mi
Musselshell River at Mosby MTRiver gauge, Musselshell River 2.51 ft Below flood stage −0.11 ft 51 mi

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
Flatwillow Creek near Mosby MTRiver gauge, Flatwillow Creek 0.0 cfs Low ±0 46 mi

Questions and answers

What is flood stage for the Musselshell River near Roundup MT?

The official flood stage is 10.00 ft. The level is currently 8.69 ft below it.

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 Musselshell River near Roundup MT today?

On Oct 19, 2026, 02:00 AM MDT, the water level was 1.31 ft. Down 0.04 ft over the last 24 hours.

Is Musselshell River near Roundup MT rising or falling?

Down 0.04 ft over the last 24 hours.

Is the level of Musselshell River near Roundup MT normal?

Below flood stage. Judged against the official flood stage for this gauge.

What is the highest water level ever recorded at Musselshell River near Roundup MT?

The highest level on record is 14.78 ft on May 26, 2011.

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.

For specialists

Station codes, datum, parameters, data quality and downloads
Operator
U.S. Geological Survey
Station code
usgs:06126500 (Agency page)
Coordinates
46.42772, -108.57010 (WGS84)
Vertical datum
NAVD88
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 1.31 ft 2026-10-19 08:00 Provisional
Flow 30.4 cfs 2026-10-19 08:00 Provisional

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How to cite

U.S. Geological Survey: Musselshell River near Roundup MT (usgs:06126500). Accessed October 19, 2026 via Nivelmap, https://nivelmap.com/en/united-states/montana/musselshell-river-near-roundup-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.