Fall River near Chester water level

Name: Fall River near Chester 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, Fall River, Idaho, United States

Directions

Below flood stage

Water level

2.21ft Steady over the last 24 hours

Measured Oct 18, 2026, 04:15 PM MDT (36 min ago)

Flow: 411 cfs

History

7 days

Water level Forecast Minor flood stage

The forecast expects the river to rise to 2.50 ft by Friday, October 23 at 06:00 PM. Issued Sunday, October 18 at 10:47 AM by NOAA National Weather Service.

What this means

The gauge at Fall River near Chester reads 2.21 ft, a normal level.

It is 4.29 ft below the flood stage of 6.50 ft.

It has barely moved over the past 24 hours. The forecast expects the river to rise to 2.50 ft by Friday, October 23 at 06:00 PM. Over the past 30 days it has moved between 2.20 ft and 2.23 ft.

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

Key numbers

Highest on record: 7.83 ftJune 9, 1981
Forecast peak: 2.50 ftFriday, October 23 at 06:00 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 6.50 ft, still 4.29 ft away.

What happens at each level

6.50 ft: River reaches wood shingles part of gage house at 6.5 feet, overflow occurs in lowlying floodplains slightly before that level. Side channels exist where water can go at higher flows. No known impacts to flooding.
2.21 ft: Right now

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

Highest crests on record

Rank	Level	Date
1	7.83 ft	June 9, 1981
2	7.53 ft	June 8, 2011
3	6.92 ft	June 8, 2010
4	6.60 ft	June 27, 1927
5	6.56 ft	May 17, 1996
6	6.46 ft	June 6, 1974
7	6.40 ft	June 4, 1975
8	6.32 ft	May 30, 1997
9	6.27 ft	May 16, 1984
10	5.83 ft	May 21, 2008

Weather at the gauge

No rain in the last 3 days.

17 Sat 64° 31° – Wind 12 mph

18 Sun 64° 33° – Wind 9 mph

19 Mon 68° 35° – Wind 12 mph

20 Tue 64° 48° 0.01 in Wind 11 mph

21 Wed 69° 46° – Wind 13 mph

22 Thu 67° 47° 0.09 in, 54% Wind 11 mph

23 Fri 53° 41° 1.88 in, 78% Wind 12 mph

Forecast: Open-Meteo

Sunrise 07:45 AM Sunset 06:39 PM Daylight 10 hr, 54 min First quarter 53%

Map

Other gauges on the Fall River

Gauge	Level	Compared with normal	24 hours	Distance
Fall River above Yellowstone Canal near SquirrelRiver gauge, Fall River	431 cfs	Low	−4.0 cfs	21 mi
Fall River near SquirrelRiver gauge, Fall River	212 cfs	Very low	±0	17 mi
Fall River near AshtonRiver gauge, Fall River	450 cfs	Very low	±0	11 mi

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Henrys Fork near AshtonRiver gauge, Henrys Fork	622 cfs	Very low	−7.0 cfs	4.5 mi
Henrys Fork at St AnthonyRiver gauge, Henrys Fork	3.20 ft	Below flood stage	−0.01 ft	6 mi
Teton River near St AnthonyRiver gauge, Teton River	2.29 ft	Below flood stage	+0.02 ft	7 mi
Nf Teton River near Sugar CityRiver gauge, Nf Teton River	66.0 cfs	Normal	+14.3 cfs	13 mi
Sf Teton River near RexburgRiver gauge, Sf Teton River	80.5 cfs	Low	−20.5 cfs	16 mi
Henrys Fork near RexburgRiver gauge, Henrys Fork	2.98 ft	Below flood stage	−0.06 ft	21 mi
Teton River above South Leigh Creek near DriggsRiver gauge, Teton River	1.91 ft	Below flood stage	−0.02 ft	24 mi

Questions and answers

What is flood stage for the Fall River near Chester?

The official flood stage is 6.50 ft. The level is currently 4.29 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 Fall River near Chester today?

On Oct 18, 2026, 04:15 PM MDT, the water level was 2.21 ft. Steady over the last 24 hours.

Is Fall River near Chester rising or falling?

Steady over the last 24 hours.

Is the level of Fall River near Chester normal?

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

What is the highest water level ever recorded at Fall River near Chester?

The highest level on record is 7.83 ft on June 9, 1981.

Is Fall River near Chester expected to rise?

The forecast expects the river to rise to 2.50 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:13049500 (Agency page)
Coordinates: 44.01833, -111.56667 (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	2.21 ft	2026-10-18 22:15	Provisional
Flow	411 cfs	2026-10-18 22:15	Provisional

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How to cite

U.S. Geological Survey: Fall River near Chester (usgs:13049500). Accessed October 18, 2026 via Nivelmap, https://nivelmap.com/en/united-states/idaho/fall-river-near-chester

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