Nivelmap
EN

How to read levelsSources and methods

North America

Western Europe

Central Europe

Mediterranean

Nordic countries

Yellowstone River near Altonah water level

River gauge, Yellowstone River, Utah, United States

Directions

Below flood stage

Water level

1.82ft Steady over the last 24 hours

Flow
323 cfs
2 3 4 5 Highest onrecord 4.93 ft Minor floodstage 4.70 ft

History

1.61.8ftOct 16Oct 19Oct 21Oct 24Oct 261.61.8ftOct 16Oct 21Oct 26
Water level Forecast Minor flood stage

The forecast expects the river to rise to 1.96 ft by Friday, October 23 at 12:00 AM. Issued Monday, October 19 at 09:05 AM by NOAA National Weather Service.

What this means

The Yellowstone River near Altonah is at 1.82 ft, in the normal range.

It is 2.88 ft below the flood stage of 4.70 ft.

It has barely moved over the past 24 hours. The forecast expects the river to rise to 1.96 ft by Friday, October 23 at 12:00 AM. In the last month it has stayed between 1.79 ft and 1.96 ft.

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

Key numbers

Highest on record
4.93 ftJune 11, 1990
Forecast peak
1.96 ftFriday, October 23 at 12:00 AM

Floating and fishing near Yellowstone River near Altonah

Normal flows mean predictable rapids and good access at most put-ins.

Flood stage here is 4.70 ft, 2.88 ft above the current reading. Beyond it, the National Weather Service also defines moderate and major flood stages.

What happens at each level

5.20 ft
Major flooding will occur at 5.20 ft on Yellowstone River. Structures adjacent to the river will receive damage.
4.90 ft
Moderate flooding will occur at 4.90 ft on Yellowstone River. Structures adjacent to the river will receive damage.
4.70 ft
Minor flooding will occur at 4.70 ft on Yellowstone River. Structures adjacent to the river will receive damage.
1.82 ft
Right now

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

Highest crests on record

Chance of at least minor flooding in October to December: < 5 %.

RankLevelDate
14.93 ftJune 11, 1990
24.55 ftJune 19, 1949
34.50 ftJune 20, 1999
44.34 ftJune 5, 1986
54.24 ftJune 19, 1983
64.22 ftJune 28, 1995
73.74 ftJune 27, 1998
83.46 ftMay 27, 2003
93.36 ftMay 26, 2001

Weather at the gauge

No rain in the last 3 days.

17 Sat 56° 35° – Wind 8 mph
18 Sun 54° 41° – Wind 7 mph
19 Mon 53° 43° – Wind 11 mph
20 Tue 57° 42° 0.07 in, 31% Wind 8 mph
21 Wed 58° 44° 0.01 in, 57% Wind 8 mph
22 Thu 49° 45° 0.59 in, 96% Wind 7 mph
23 Fri 46° 41° 0.46 in, 94% Wind 11 mph

Forecast: Open-Meteo

Sunrise 07:38 AM Sunset 06:35 PM Daylight 10 hr, 57 min First quarter 66%

Map

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
Yellowstone R @ Bridge Cmpgrnd near AltonahRiver gauge, Yellowstone R @ Bridge Cmpgrnd 6.37 ft Very high −0.04 ft 2.4 mi
Lake Fork River below Moon Lake near Mountain HomeRiver gauge, Lake Fork River 7.0 cfs Normal ±0 8 mi
Moon Lake ReservoirReservoir 8,111.01 ft Normal 10 mi
Lake Fork River above Moon Lake, near Mountain HomeRiver gauge, Lake Fork River 188 cfs Very high −3.0 cfs 11 mi
Rock Creek near Mountain HomeRiver gauge, Rock Creek 1.93 ft Below flood stage −0.02 ft 12 mi
Uinta River below Powerplant Diversion, near NeolaRiver gauge, Uinta River 6.07 ft Very high −0.01 ft 13 mi
Upper Stillwater ReservoirReservoir 8,112.18 ft Normal 19 mi
Duchesne River near TabionaRiver gauge, Duchesne River 1.16 ft Very low +0.04 ft 20 mi

Questions and answers

What is flood stage for the Yellowstone River near Altonah?

The official flood stage is 4.70 ft. The level is currently 2.88 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 Yellowstone River near Altonah today?

On Oct 20, 2026, 12:00 AM MDT, the water level was 1.82 ft. Steady over the last 24 hours.

Is Yellowstone River near Altonah rising or falling?

Steady over the last 24 hours.

Is the level of Yellowstone River near Altonah normal?

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

What is the highest water level ever recorded at Yellowstone River near Altonah?

The highest level on record is 4.93 ft on June 11, 1990.

Is Yellowstone River near Altonah expected to rise?

The forecast expects the river to rise to 1.96 ft by Friday, October 23 at 12:00 AM.

For specialists

Station codes, datum, parameters, data quality and downloads
Operator
U.S. Geological Survey
Station code
usgs:09292500 (Agency page)
Coordinates
40.51189, -110.34155 (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

ParameterLast valueTime (UTC)Quality
Water level 1.82 ft 2026-10-20 06:00 Provisional
Flow 323 cfs 2026-10-20 06:00 Provisional

Download

Embed this gauge

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

How to cite

U.S. Geological Survey: Yellowstone River near Altonah (usgs:09292500). Accessed October 20, 2026 via Nivelmap, https://nivelmap.com/en/united-states/utah/yellowstone-river-near-altonah

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