Musselshell River near Roundup MT water level

Name: Musselshell River near Roundup MT water level (U.S. Geological Survey)
Creator: U.S. Geological Survey
License: https://www.usgs.gov/information-policies-and-instructions/copyrights-and-credits

River gauge, Musselshell River, Montana, United States

Directions

Below flood stage

Water level

1.28ft Steady over the last 24 hours

Measured Oct 19, 2026, 11:00 PM MDT (2 hours ago)

Flow: 28.1 cfs

History

7 days

Water level Minor flood stage

What this means

The Musselshell River near Roundup MT is at 1.28 ft, in the normal range.

It is 8.72 ft below the flood stage of 10.00 ft.

It has barely moved over the past 24 hours. In the last month it has stayed between 1.28 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, 8.72 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 %.

Rank	Level	Date
1	14.78 ft	May 26, 2011
2	13.24 ft	March 10, 2014
3	12.89 ft	June 22, 1975
4	12.78 ft	February 13, 1971
5	12.50 ft	March 23, 1978
6	12.45 ft	June 18, 1967
7	11.58 ft	June 1, 2018
8	11.31 ft	June 14, 1997
9	11.00 ft	June 18, 1948
10	10.23 ft	June 9, 2023

Weather at the gauge

No rain in the last 3 days.

19 Mon 71° 34° – Wind 9 mph

20 Tue 64° 38° – Wind 13 mph

21 Wed 67° 45° – Wind 10 mph

22 Thu 73° 52° – Wind 10 mph

23 Fri 59° 44° 0.11 in, 69% Wind 26 mph

24 Sat 49° 40° – Wind 19 mph

25 Sun 60° 38° – Wind 19 mph

Forecast: Open-Meteo

Sunrise 07:39 AM Sunset 06:20 PM Daylight 10 hr, 41 min First quarter 66%

Map

Other gauges on the Musselshell River

Gauge	Level	Compared with normal	24 hours	Distance
Musselshell River near MartinsdaleRiver gauge, Musselshell River	25.5 cfs	Low	−4.7 cfs	80 mi
Musselshell River at Harlowton MTRiver gauge, Musselshell River	3.00 ft	Below flood stage	−0.06 ft	61 mi
Musselshell River above Mud Cr near Shawmut MTRiver gauge, Musselshell River	2.40 ft	Below flood stage	−0.04 ft	43 mi
Musselshell River above Big Coulee Creek at Lavina MTRiver gauge, Musselshell River	1.29 ft	Below flood stage	−0.02 ft	20 mi
Musselshell River at Musselshell MTRiver gauge, Musselshell River	2.01 ft	Below flood stage	−0.03 ft	23 mi
Musselshell River at Mosby MTRiver gauge, Musselshell River	2.47 ft	Below flood stage	−0.09 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 8.72 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, 11:00 PM MDT, the water level was 1.28 ft. Steady over the last 24 hours.

Is Musselshell River near Roundup MT rising or falling?

Steady 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

Parameter	Last value	Time (UTC)	Quality
Water level	1.28 ft	2026-10-20 05:00	Provisional
Flow	28.1 cfs	2026-10-20 05:00	Provisional

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How to cite

U.S. Geological Survey: Musselshell River near Roundup MT (usgs:06126500). Accessed October 20, 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.

Readings are provisional, can be delayed or wrong and are not a flood warning. Read the disclaimer