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Yellowstone River near Sidney MT water level

River gauge, Yellowstone River, Montana, United States

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Right now

Below flood stage

Water level

2.77ft Steady over the last 24 hours

Flow
6,370 cfs
Water temperature
50 °F
10 20 Highest onrecord 24.03 ft Minor floodstage 19.00 ft

History

History
2.652.702.752.80ftOct 16Oct 16Oct 17Oct 18Oct 192.652.702.752.80ftOct 16Oct 17Oct 19
Water level Minor flood stage

What this means

The gauge at Yellowstone River near Sidney MT reads 2.77 ft, a normal level.

It is 16.23 ft below the flood stage of 19.00 ft.

The level has held steady over the past 24 hours. Over the past 30 days it has moved between 2.61 ft and 2.79 ft.

Fall is often low-water season on rivers, until steadier rain returns. The sensor also reports a water temperature of 50 °F.

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

Key numbers

Highest on record
24.03 ftMarch 6, 1994

What the stage means on the water

A normal level is usually prime time for floating and wade fishing, as long as the weather holds upstream.

The National Weather Service puts flood stage for this gauge at 19.00 ft, still 16.23 ft away.

What happens at each level

28.20 ft
Ice jam will threaten city bridges.
28.20 ft
Ice jam will threaten city bridges.
24.00 ft
Severe ice jamming may threaten city bridges.
21.00 ft
Richland Park north of Sidney begins to flood.
19.00 ft
Flood stage. Expect low-land flooding to occur.
14.00 ft
At stages of 14.0 feet and higher combined with 60,000 cfs or more will create under tow which can sweep people under water.
2.80 ft
At river levels of 2.8 feet and lower, MDU power plant in Sidney needs to shut down due to lack of water in its intake pipe for the cooling towers.
2.77 ft
Right now

Impact statements from the U.S. National Weather Service.

Highest crests on record

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

RankLevelDate
124.03 ftMarch 6, 1994
222.08 ftMarch 19, 2011
321.92 ftMay 25, 2011
421.67 ftFebruary 17, 1971
521.65 ftJune 16, 1965
621.00 ftMarch 21, 1969
720.02 ftMay 23, 1978
819.60 ftFebruary 27, 1986
919.59 ftMarch 24, 2019
1019.57 ftMarch 19, 1979

Weather at the gauge

The forecast is not available right now.

Sunrise 07:22 AM Sunset 06:03 PM Daylight 10 hr, 41 min First quarter 63%

Map

Other gauges on the Yellowstone River

Gauge Level Compared with normal 24 hours Distance
Yellowstone River at Forsyth MTRiver gauge, Yellowstone River 1.69 ft Below flood stage −0.02 ft 154 mi
Yellowstone River at Miles CityRiver gauge, Yellowstone River 3.08 ft Below flood stage −0.04 ft 118 mi
Yellowstone River at GlendiveRiver gauge, Yellowstone River 42.82 ft Below flood stage −0.18 ft 47 mi

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
Yellowstone River North 1 near FairviewRiver gauge, Yellowstone River North 1 8.79 ft Very low +0.03 ft 10 mi
Yellowstone River North 2 near CartwrightRiver gauge, Yellowstone River North 2 62.89 ft Very low −0.07 ft 15 mi
Missouri River North 5 at NohlyRiver gauge, Missouri River North 5 63.88 ft Normal −0.05 ft 23 mi
Missouri River North 5A at BufordRiver gauge, Missouri River North 5A 7.28 ft Normal +0.07 ft 23 mi
Missouri River North 4 near NohlyRiver gauge, Missouri River North 4 10.73 ft Normal −0.04 ft 25 mi
Missouri River near Culbertson MTRiver gauge, Missouri River 3.37 ft Below flood stage +0.01 ft 34 mi
Missouri River near WillistonRiver gauge, Missouri River 13.19 ft Normal +0.10 ft 36 mi
Big Muddy Creek near mouth near Culbertson MTRiver gauge, Big Muddy Creek 3.85 ft Below flood stage +0.09 ft 40 mi

Questions and answers

What is flood stage for the Yellowstone River near Sidney MT?

The official flood stage is 19.00 ft. The level is currently 16.23 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 Yellowstone River near Sidney MT today?

On Oct 19, 2026, 04:00 PM MDT, the water level was 2.77 ft. Steady over the last 24 hours.

Is Yellowstone River near Sidney MT rising or falling?

Steady over the last 24 hours.

Is the level of Yellowstone River near Sidney MT normal?

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

What is the highest water level ever recorded at Yellowstone River near Sidney MT?

The highest level on record is 24.03 ft on March 6, 1994.

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:06329500 (Agency page)
Coordinates
47.67741, -104.15541 (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 2.77 ft 2026-10-19 22:00 Provisional
Flow 6,370 cfs 2026-10-19 22:00 Provisional
Water temperature 50 °F 2026-10-19 22:00 Provisional

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How to cite

U.S. Geological Survey: Yellowstone River near Sidney MT (usgs:06329500). Accessed October 19, 2026 via Nivelmap, https://nivelmap.com/en/united-states/montana/yellowstone-river-near-sidney-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.