East Fork Big Wood River at Gimlet water level

Name: East Fork Big Wood River at Gimlet 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, East Fork Big Wood River, Idaho, United States

Directions

Below flood stage

Water level

4.89ft Steady over the last 24 hours

Measured Oct 20, 2026, 12:15 AM MDT (39 min ago)

Flow: 9.3 cfs

History

7 days

Water level Minor flood stage

What this means

Water levels are unremarkable at East Fork Big Wood River at Gimlet, where the gauge shows 4.89 ft.

It is 3.51 ft below the flood stage of 8.40 ft.

The level has held steady over the past 24 hours. The 30-day range is 4.89 ft – 4.92 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: 8.62 ftJune 5, 2017

Paddling and fishing conditions

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

For reference, flood stage is 8.40 ft.

What happens at each level

8.40 ft: Minor flooding from around the Triumph area downriver to the confluence of the Big Wood River. East Fork Road near Triumph may have water flowing over it. Areas around Hyndman View Drive may have water flowing over roadways.
7.40 ft: Near bankfull from near Triumph down-river to the confluence of the Big Wood River with pockets of low-land flooding.
4.89 ft: Right now

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

Highest crests on record

Rank	Level	Date
1	8.62 ft	June 5, 2017
2	8.20 ft	June 13, 2022
3	7.87 ft	June 14, 2019
4	7.72 ft	June 29, 2011
5	7.59 ft	June 9, 2015
6	7.50 ft	June 4, 2012
7	7.45 ft	June 9, 2016
8	7.43 ft	May 30, 2020
9	7.31 ft	June 6, 2018
10	7.04 ft	June 11, 2013

Weather at the gauge

No rain in the last 3 days.

19 Mon 63° 37° – Wind 12 mph

20 Tue 63° 43° – Wind 12 mph

21 Wed 61° 45° – Wind 9 mph

22 Thu 62° 47° 0.43 in, 89% Wind 13 mph

23 Fri 58° 39° 0.04 in, 89% Wind 14 mph

24 Sat 53° 34° – Wind 6 mph

25 Sun 59° 37° – Wind 6 mph

Forecast: Open-Meteo

Sunrise 07:58 AM Sunset 06:47 PM Daylight 10 hr, 49 min First quarter 66%

Map

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Trail Creek at KetchumRiver gauge, Trail Creek	4.92 ft	Below flood stage	−0.05 ft	5.2 mi
Big Wood River at Hailey Id Total FlowRiver gauge, Big Wood River	1.57 ft	Below flood stage	−0.01 ft	5.9 mi
Warm Springs Creek at Gates Road near KetchumRiver gauge, Warm Springs Creek	29.4 cfs	Very low	±0	7 mi
Trail Creek near Sun ValleyRiver gauge, Trail Creek	15.2 cfs	Normal	−0.3 cfs	8 mi
Big Wood River at S Broadford Bridge near BellevueRiver gauge, Big Wood River	5.64 ft	Below flood stage	−0.02 ft	10 mi
Nf Big Wood River near Sawtooth Nra Hq near KetchumRiver gauge, Nf Big Wood River	4.91 ft	Below flood stage	−0.01 ft	13 mi
Big Wood River near KetchumRiver gauge, Big Wood River	4.92 ft	Below flood stage	−0.01 ft	14 mi
Little Wood River above High Five Creek near CareyRiver gauge, Little Wood River	1.39 ft	Below flood stage	±0	16 mi

Questions and answers

What is flood stage for the East Fork Big Wood River at Gimlet?

The official flood stage is 8.40 ft. The level is currently 3.51 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 East Fork Big Wood River at Gimlet today?

On Oct 20, 2026, 12:15 AM MDT, the water level was 4.89 ft. Steady over the last 24 hours.

Is East Fork Big Wood River at Gimlet rising or falling?

Steady over the last 24 hours.

Is the level of East Fork Big Wood River at Gimlet normal?

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

What is the highest water level ever recorded at East Fork Big Wood River at Gimlet?

The highest level on record is 8.62 ft on June 5, 2017.

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:13138000 (Agency page)
Coordinates: 43.60306, -114.33028 (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	4.89 ft	2026-10-20 06:15	Provisional
Flow	9.3 cfs	2026-10-20 06:15	Provisional

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How to cite

U.S. Geological Survey: East Fork Big Wood River at Gimlet (usgs:13138000). Accessed October 20, 2026 via Nivelmap, https://nivelmap.com/en/united-states/idaho/east-fork-big-wood-river-at-gimlet

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