Snake River near Irwin water level

Name: Snake River near Irwin 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

Low for mid-October

Water level

5.03ft Down 0.44 ft over the last 24 hours

Measured Oct 19, 2026, 03:30 PM MDT (20 min ago)

Flow: 1,750 cfs

History

7 days

Water level Forecast

The forecast expects the river to rise to 5.45 ft by Monday, October 19 at 12:00 PM. Issued Monday, October 19 at 08:58 AM by NOAA National Weather Service.

What this means

Low water at Snake River near Irwin: the gauge reads 5.03 ft, below normal for mid-October.

It is still going down, by 0.44 ft over the past 24 hours. The forecast expects the river to rise to 5.45 ft by Monday, October 19 at 12:00 PM. Without real rain upstream, that is unlikely to change quickly. The 30-day range is 5.03 ft – 5.50 ft.

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

Key numbers

Highest on record: 15.25 ftJune 20, 1997
Forecast peak: 5.45 ftMonday, October 19 at 12:00 PM

Paddling and fishing conditions

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

What happens at each level

11.00 ft: Fields aand low-lying areas near the river from Palisades Dam downstream to near Table Rock Canyon area may experience seep and ponding.
5.03 ft: Right now

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

Highest crests on record

Rank	Level	Date
1	15.25 ft	June 20, 1997
2	15.01 ft	June 19, 1997
3	13.31 ft	June 4, 1956
4	13.18 ft	June 28, 1954
5	12.69 ft	May 29, 1951
6	12.52 ft	July 3, 1950
7	12.26 ft	June 25, 1974
8	11.91 ft	June 13, 2017
9	11.90 ft	July 15, 2011
10	11.78 ft	June 29, 2009

Weather at the gauge

No rain in the last 3 days.

19 Mon 67° 40° – Wind 12 mph

20 Tue 63° 47° – Wind 12 mph

21 Wed 67° 48° 0.05 in Wind 6 mph

22 Thu 68° 46° 0.53 in, 81% Wind 6 mph

23 Fri 44° 28° 1.70 in, 96% Wind 7 mph

24 Sat 40° 24° 0.07 in, 70% Wind 5 mph

25 Sun 47° 26° – Wind 6 mph

Forecast: Open-Meteo

Sunrise 07:44 AM Sunset 06:37 PM Daylight 10 hr, 53 min First quarter 62%

Map

Other gauges on the Snake River

Gauge	Level	Compared with normal	24 hours	Distance
Snake River above Jackson Lake at Flagg RanchRiver gauge, Snake River	2.40 ft	Below flood stage	−0.02 ft	59 mi
Snake River near MoranRiver gauge, Snake River	266 cfs	Normal	−19.0 cfs	47 mi
Snake River at MooseRiver gauge, Snake River	8.91 ft	Below flood stage	−0.01 ft	33 mi
Snake River below Flat Creek, near JacksonRiver gauge, Snake River	1.31 ft	Below flood stage	−0.03 ft	24 mi
Snake River above Reservoir, near AlpineRiver gauge, Snake River	1,830 cfs	Normal	−50.0 cfs	20 mi
Snake River near HeiseRiver gauge, Snake River	2.61 ft	Below flood stage	+0.01 ft	29 mi
Snake River at LorenzoRiver gauge, Snake River	1,340 cfs	Normal	−10.0 cfs	42 mi
Snake River near MenanRiver gauge, Snake River	1.85 ft	Below flood stage	−0.02 ft	47 mi
Snake River above Eagle Rock near Idaho FallsRiver gauge, Snake River	6.09 ft	Below flood stage	+0.03 ft	46 mi
Snake River near ShelleyRiver gauge, Snake River	5.59 ft	Below flood stage	−0.05 ft	46 mi
Snake River at BlackfootRiver gauge, Snake River	5.28 ft	Below flood stage	−0.07 ft	59 mi
Snake River near BlackfootRiver gauge, Snake River	2.97 ft	Below flood stage	−0.12 ft	67 mi

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Palisades ReservoirReservoir	5,515.37 ft	Low		1.5 mi
Greys River above Reservoir, near AlpineRiver gauge, Greys River	246 cfs	Low	±0	19 mi
Fish Creek at WilsonRiver gauge, Fish Creek	2.38 ft	Below flood stage	−0.01 ft	20 mi
Salt River above Reservoir, near EtnaRiver gauge, Salt River	1.88 ft	Below flood stage	−0.01 ft	21 mi
Flat Creek below Cache Creek, near JacksonRiver gauge, Flat Creek	1.79 ft	Below flood stage	−0.01 ft	22 mi
Willow Creek below Tex Creek near RirieRiver gauge, Willow Creek	14.7 cfs	Very low	±0	26 mi
Cache Creek near JacksonRiver gauge, Cache Creek	5.3 cfs	Low	±0	27 mi
Granite Creek above Granite C Supplemental, near MooseRiver gauge, Granite Creek	10.6 cfs	Normal	−0.4 cfs	27 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 Snake River near Irwin today?

On Oct 19, 2026, 03:30 PM MDT, the water level was 5.03 ft. Down 0.44 ft over the last 24 hours.

Is Snake River near Irwin rising or falling?

Down 0.44 ft over the last 24 hours.

Is the level of Snake River near Irwin 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 Snake River near Irwin?

The highest level on record is 15.25 ft on June 20, 1997.

Is Snake River near Irwin expected to rise?

The forecast expects the river to rise to 5.45 ft by Monday, October 19 at 12:00 PM.

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:13032500 (Agency page)
Coordinates: 43.35083, -111.21889 (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	5.03 ft	2026-10-19 21:30	Provisional
Flow	1,750 cfs	2026-10-19 21:30	Provisional

Download

Embed this gauge

Add a live card for this gauge to your website. It updates on its own and links back here.

<iframe src="https://nivelmap.com/embed/13163?lang=en" width="360" height="230" style="border:0;max-width:100%" loading="lazy" title="Snake River near Irwin water level"></iframe>

How to cite

U.S. Geological Survey: Snake River near Irwin (usgs:13032500). Accessed October 19, 2026 via Nivelmap, https://nivelmap.com/en/united-states/idaho/snake-river-near-irwin

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