Snake River above Eagle Rock near Idaho Falls water level

Name: Snake River above Eagle Rock near Idaho Falls 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, Snake River, Idaho, United States

Directions

Below flood stage

Water level

6.04ft Steady over the last 24 hours

Measured Oct 20, 2026, 11:30 AM MDT (1 hour ago)

Flow: 2,860 cfs

History

7 days

Water level Forecast Minor flood stage

The forecast expects the river to fall to 5.33 ft by Friday, October 23 at 06:00 PM. Issued Tuesday, October 20 at 08:57 AM by NOAA National Weather Service.

What this means

The gauge at Snake River above Eagle Rock near Idaho Falls reads 6.04 ft, a normal level.

It is 7.16 ft below the flood stage of 13.20 ft.

It has barely moved over the past 24 hours. The forecast expects the river to fall to 5.33 ft by Friday, October 23 at 06:00 PM. Over the past 30 days it has moved between 6.04 ft and 6.42 ft.

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

Key numbers

Highest on record: 18.91 ftJune 16, 1997
Forecast peak: 6.01 ftTuesday, October 20 at 12:00 PM

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 13.20 ft, still 7.16 ft away.

What happens at each level

13.20 ft: Fields and low-lying areas near the river from the Roberts area downstream to near Idaho Falls will have minor flooding or seep/ponding of water. Walker boat launch and park will be flooded.
12.60 ft: Fields and low-lying areas near the river from the Roberts area downstream to near Idaho Falls may experience seep and ponding.
6.04 ft: Right now

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

Highest crests on record

Rank	Level	Date
1	18.91 ft	June 16, 1997
2	15.24 ft	May 28, 2011
3	14.85 ft	June 2, 1999
4	14.28 ft	June 24, 2009
5	14.16 ft	June 16, 2017
6	13.86 ft	May 19, 1996
7	13.81 ft	June 3, 2018
8	13.59 ft	June 14, 2010
9	13.07 ft	May 24, 1995
10	13.03 ft	May 3, 2006

Weather at the gauge

No rain in the last 3 days.

20 Tue 68° 38° – Wind 7 mph

21 Wed 67° 41° 0.02 in Wind 7 mph

22 Thu 71° 49° 0.13 in, 78% Wind 10 mph

23 Fri 54° 41° 0.98 in, 92% Wind 21 mph

24 Sat 53° 41° 0.00 in, 69% Wind 10 mph

25 Sun 54° 37° – Wind 6 mph

26 Mon 53° 35° – Wind 10 mph

Forecast: Open-Meteo

Sunrise 07:49 AM Sunset 06:38 PM Daylight 10 hr, 49 min Waxing gibbous 70%

Map

Other gauges on the Snake River

Gauge	Level	Compared with normal	24 hours	Distance
Snake River near MoranRiver gauge, Snake River	269 cfs	Normal	±0	76 mi
Snake River at MooseRiver gauge, Snake River	8.89 ft	Below flood stage	−0.01 ft	67 mi
Snake River below Flat Creek, near JacksonRiver gauge, Snake River	1.27 ft	Below flood stage	−0.04 ft	68 mi
Snake River above Reservoir, near AlpineRiver gauge, Snake River	1,790 cfs	Normal	−40.0 cfs	65 mi
Snake River near IrwinRiver gauge, Snake River	1,870 cfs	Low	−640.0 cfs	46 mi
Snake River near HeiseRiver gauge, Snake River	2.23 ft	Below flood stage	−0.36 ft	20 mi
Snake River at LorenzoRiver gauge, Snake River	936 cfs	Normal	−394.0 cfs	13 mi
Snake River near MenanRiver gauge, Snake River	1.70 ft	Below flood stage	−0.16 ft	11 mi
Snake River near ShelleyRiver gauge, Snake River	5.63 ft	Below flood stage	+0.05 ft	14 mi
Snake River at BlackfootRiver gauge, Snake River	5.31 ft	Below flood stage	+0.02 ft	32 mi
Snake River near BlackfootRiver gauge, Snake River	2.96 ft	Below flood stage	+0.02 ft	40 mi
Snake River at NeeleyRiver gauge, Snake River	2.01 ft	Below flood stage	+0.01 ft	71 mi

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Great Western Spillback near Idaho FallsRiver gauge, Great Western Spillback	0.0 cfs	Normal	±0	0.3 mi
Willow Creek Floodway Channel at Mouth near Id FallsRiver gauge, Willow Creek Floodway Channel	0.0 cfs	Low	±0	2.1 mi
Willow Creek Floodway Channel near UconRiver gauge, Willow Creek Floodway Channel	0.0 cfs	Low	±0	8 mi
Willow Creek below Floodway Channel near UconRiver gauge, Willow Creek	0.0 cfs	Low	±0	8 mi
Sand Creek near UconRiver gauge, Sand Creek	0.0 cfs	Very low	±0	8 mi
Willow Creek near RirieRiver gauge, Willow Creek	1.11 ft	Below flood stage	+0.17 ft	16 mi
Ririe ReservoirReservoir	5,063.34 ft	Very low		16 mi

Questions and answers

What is flood stage for the Snake River above Eagle Rock near Idaho Falls?

The official flood stage is 13.20 ft. The level is currently 7.16 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 Snake River above Eagle Rock near Idaho Falls today?

On Oct 20, 2026, 11:30 AM MDT, the water level was 6.04 ft. Steady over the last 24 hours.

Is Snake River above Eagle Rock near Idaho Falls rising or falling?

Steady over the last 24 hours.

Is the level of Snake River above Eagle Rock near Idaho Falls normal?

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

What is the highest water level ever recorded at Snake River above Eagle Rock near Idaho Falls?

The highest level on record is 18.91 ft on June 16, 1997.

Is Snake River above Eagle Rock near Idaho Falls expected to rise?

The forecast expects the river to fall to 5.33 ft by Friday, October 23 at 06:00 PM.

For specialists

Station codes, datum, parameters, data quality and downloads

Operator: U.S. Geological Survey
Station code: usgs:13057155 (Agency page)
Coordinates: 43.60472, -112.05861 (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	6.04 ft	2026-10-20 17:30	Provisional
Flow	2,860 cfs	2026-10-20 17:30	Provisional

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How to cite

U.S. Geological Survey: Snake River above Eagle Rock near Idaho Falls (usgs:13057155). Accessed October 20, 2026 via Nivelmap, https://nivelmap.com/en/united-states/idaho/snake-river-above-eagle-rock-near-idaho-falls

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