Greys River above Reservoir, near Alpine water level

Name: Greys River above Reservoir, near Alpine 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, Greys River, Wyoming, United States

Directions

Low for mid-October

Water level

1.35ft Steady over the last 24 hours

Measured Oct 20, 2026, 08:30 AM MDT (1 hour ago)

Flow: 241 cfs

History

7 days

Water level

What this means

At 1.35 ft, the Greys River above Reservoir, near Alpine is 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. Over the past 30 days it has moved between 1.34 ft and 1.41 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: 6.88 ftJune 13, 1965

What the stage means on the water

Low water means more dragging on shallow riffles and slower floats. Fish crowd into the deeper runs, and warm, low water stresses them, so play and release them quickly.

What happens at each level

6.88 ft: Record stage---(6/13/1965).
6.33 ft: Record flow---7,230 cfs (6/19/1971).
1.35 ft: Right now

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

Highest crests on record

Rank	Level	Date
1	6.88 ft	June 13, 1965
2	6.40 ft	June 6, 1986
3	6.33 ft	June 19, 1971
4	5.97 ft	June 6, 1974
5	5.89 ft	June 7, 1972
6	5.75 ft	May 30, 1983
7	5.74 ft	June 1, 1997
8	5.66 ft	May 31, 1984
9	5.63 ft	June 10, 1978
10	5.52 ft	May 12, 2017

Weather at the gauge

The forecast is not available right now.

Sunrise 07:44 AM Sunset 06:34 PM Daylight 10 hr, 50 min Waxing gibbous 69%

Map

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Salt River above Reservoir, near EtnaRiver gauge, Salt River	1.88 ft	Below flood stage	±0	5.3 mi
Snake River above Reservoir, near AlpineRiver gauge, Snake River	1,800 cfs	Normal	−30.0 cfs	5.7 mi
Palisades ReservoirReservoir	5,515.51 ft	Low		17 mi
Hoback River near JacksonRiver gauge, Hoback River	228 cfs	Low	−10.0 cfs	19 mi
Snake River near IrwinRiver gauge, Snake River	1,750 cfs	Low	−780.0 cfs	19 mi
Snake River below Flat Creek, near JacksonRiver gauge, Snake River	1.27 ft	Below flood stage	−0.02 ft	20 mi
Flat Creek below Cache Creek, near JacksonRiver gauge, Flat Creek	1.81 ft	Below flood stage	−0.01 ft	24 mi
Fish Creek at WilsonRiver gauge, Fish Creek	2.35 ft	Below flood stage	−0.02 ft	25 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 Greys River above Reservoir, near Alpine today?

On Oct 20, 2026, 08:30 AM MDT, the water level was 1.35 ft. Steady over the last 24 hours.

Is Greys River above Reservoir, near Alpine rising or falling?

Steady over the last 24 hours.

Is the level of Greys River above Reservoir, near Alpine 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 Greys River above Reservoir, near Alpine?

The highest level on record is 6.88 ft on June 13, 1965.

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:13023000 (Agency page)
Coordinates: 43.14306, -110.97694 (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	1.35 ft	2026-10-20 14:30	Provisional
Flow	241 cfs	2026-10-20 14:30	Provisional

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How to cite

U.S. Geological Survey: Greys River above Reservoir, near Alpine (usgs:13023000). Accessed October 20, 2026 via Nivelmap, https://nivelmap.com/en/united-states/wyoming/greys-river-above-reservoir-near-alpine

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