Red Rock R below Lima Reservoir near Monida MT water level

Name: Red Rock R below Lima Reservoir near Monida 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, Red Rock R, Montana, United States

Directions

Low for mid-October

Water level

1.27ft Steady over the last 24 hours

Measured Oct 20, 2026, 06:30 PM MDT (23 min ago)

Flow: 12.7 cfs

History

7 days

Water level

What this means

Low water at Red Rock R below Lima Reservoir near Monida MT: the gauge reads 1.27 ft, below normal for mid-October.

The level has held steady over the past 24 hours. Without real rain upstream, that is unlikely to change quickly. The 30-day range is 1.26 ft – 1.27 ft.

Fall is often low-water season on rivers, and it usually takes a few days of steady rain to change that.

Compared with 5 years of daily readings for this time of year. How to read levels

Key numbers

Highest on record: 5.40 ftMay 15, 1933

Paddling and fishing conditions

At low levels, plan for shorter paddling trips and expect to walk your boat through a few shoals.

Highest crests on record

Rank	Level	Date
1	5.40 ft	May 15, 1933
2	4.03 ft	June 13, 2011
3	4.00 ft	May 30, 1988
4	4.00 ft	June 26, 1981
5	3.96 ft	June 26, 1995
6	3.94 ft	June 9, 1999
7	3.92 ft	July 14, 1982
8	3.85 ft	July 2, 1998
9	3.82 ft	June 3, 1986
10	3.74 ft	May 29, 1993

Weather at the gauge

No rain in the last 3 days.

19 Mon 54° 33° – Wind 15 mph

20 Tue 55° 41° – Wind 10 mph

21 Wed 54° 40° – Wind 12 mph

22 Thu 60° 40° – Wind 17 mph

23 Fri 48° 31° 0.14 in, 96% Wind 24 mph

24 Sat 42° 26° – Wind 10 mph

25 Sun 50° 28° – Wind 8 mph

Forecast: Open-Meteo

Sunrise 07:53 AM Sunset 06:36 PM Daylight 10 hr, 43 min Waxing gibbous 73%

Map

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Lima Reservoir Upstream of Clark Canyon ReservoirReservoir	6,567.31 ft	Normal		0.0 mi
Medicine Lodge Creek near SmallRiver gauge, Medicine Lodge Creek	4.76 ft	Below flood stage	−0.02 ft	27 mi
Clark Canyon ReservoirReservoir	5,517.09 ft	Normal		34 mi
Beaverhead River at Barretts MTRiver gauge, Beaverhead River	90.7 cfs	Very low	−3.9 cfs	37 mi
Ruby River above reservoir near AlderRiver gauge, Ruby River	101 cfs	Low	±0	39 mi
Beaverhead River at Dillon MTRiver gauge, Beaverhead River	80.7 cfs	Very low	−6.8 cfs	41 mi
Madison River at Kirby Ranch near Cameron MTRiver gauge, Madison River	788 cfs	Low	±0	42 mi
Ruby River below reservoir near AlderRiver gauge, Ruby River	52.2 cfs	Low	−1.2 cfs	42 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 Red Rock R below Lima Reservoir near Monida MT today?

On Oct 20, 2026, 06:30 PM MDT, the water level was 1.27 ft. Steady over the last 24 hours.

Is Red Rock R below Lima Reservoir near Monida MT rising or falling?

Steady over the last 24 hours.

Is the level of Red Rock R below Lima Reservoir near Monida MT normal?

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

What is the highest water level ever recorded at Red Rock R below Lima Reservoir near Monida MT?

The highest level on record is 5.40 ft on May 15, 1933.

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:06012500 (Agency page)
Coordinates: 44.65588, -112.37122 (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

Parameter	Last value	Time (UTC)	Quality
Water level	1.27 ft	2026-10-21 00:30	Provisional
Flow	12.7 cfs	2026-10-21 00:30	Provisional

Download

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How to cite

U.S. Geological Survey: Red Rock R below Lima Reservoir near Monida MT (usgs:06012500). Accessed October 21, 2026 via Nivelmap, https://nivelmap.com/en/united-states/montana/red-rock-r-below-lima-reservoir-near-monida-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