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Boulder River at Big Timber MT water level

River gauge, Boulder River, Montana, United States

Directions

Right now

Below flood stage

Water level

1.16ft Steady over the last 24 hours

Flow
108 cfs
3 5 8 Highest onrecord 9.00 ft Minor floodstage 8.00 ft

History

History
1.161.171.18ftOct 16Oct 16Oct 17Oct 17Oct 181.161.171.18ftOct 16Oct 17Oct 18
Water level Minor flood stage

What this means

Water levels are unremarkable at Boulder River at Big Timber MT, where the gauge shows 1.16 ft.

It is 6.84 ft below the flood stage of 8.00 ft.

It has barely moved over the past 24 hours. The 30-day range is 1.14 ft – 1.19 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
9.00 ftJune 5, 1997

Paddling and fishing conditions

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

For reference, flood stage is 8.00 ft.

What happens at each level

7.50 ft
Minor flooding along the south bank.
1.16 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
19.00 ftJune 5, 1997
28.56 ftJune 13, 2022
38.33 ftJune 1, 2020
48.25 ftJuly 8, 1975
58.04 ftJune 30, 2011
67.89 ftJuly 5, 1975
77.87 ftJune 18, 1974
87.84 ftMay 28, 1956
97.71 ftMay 29, 2014
107.68 ftJune 15, 1959

Weather at the gauge

The forecast is not available right now.

Sunrise 07:41 AM Sunset 06:30 PM Daylight 10 hr, 49 min First quarter 51%

Map

Other gauges on the Boulder River

Gauge Level Compared with normal 24 hours Distance
Boulder River near BoulderRiver gauge, Boulder River 34.1 cfs Normal +1.7 cfs 107 mi

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
East Boulder River below Dry Fork Cr near McleodRiver gauge, East Boulder River 9.9 cfs Very low ±0 23 mi
Shields River near Livingston MTRiver gauge, Shields River 1.02 ft Below flood stage −0.04 ft 27 mi
Stillwater River near AbsarokeeRiver gauge, Stillwater River 1.57 ft Below flood stage −0.01 ft 32 mi
Yellowstone River near LivingstonRiver gauge, Yellowstone River −0.08 ft Below flood stage −0.02 ft 34 mi
Musselshell River above Mud Cr near Shawmut MTRiver gauge, Musselshell River 2.45 ft Below flood stage −0.05 ft 41 mi
Musselshell River at Harlowton MTRiver gauge, Musselshell River 3.07 ft Below flood stage −0.02 ft 41 mi
W Rosebud Cr at Emerald Lake Campground near RoscoeRiver gauge, W Rosebud Cr 94.4 cfs Normal −7.6 cfs 42 mi
West Rosebud Creek near Roscoe MTRiver gauge, West Rosebud Creek 89.6 cfs Normal +2.1 cfs 42 mi

Questions and answers

What is flood stage for the Boulder River at Big Timber MT?

The official flood stage is 8.00 ft. The level is currently 6.84 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 Boulder River at Big Timber MT today?

On Oct 18, 2026, 09:00 AM MDT, the water level was 1.16 ft. Steady over the last 24 hours.

Is Boulder River at Big Timber MT rising or falling?

Steady over the last 24 hours.

Is the level of Boulder River at Big Timber MT normal?

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

What is the highest water level ever recorded at Boulder River at Big Timber MT?

The highest level on record is 9.00 ft on June 5, 1997.

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:06200000 (Agency page)
Coordinates
45.83379, -109.93871 (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 1.16 ft 2026-10-18 15:00 Provisional
Flow 108 cfs 2026-10-18 15:00 Provisional

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How to cite

U.S. Geological Survey: Boulder River at Big Timber MT (usgs:06200000). Accessed October 18, 2026 via Nivelmap, https://nivelmap.com/en/united-states/montana/boulder-river-at-big-timber-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.