Tobacco River at Eureka water level

Name: Tobacco River at Eureka 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, Tobacco River, Montana, United States

Directions

Normal for mid-October

Water level

2.41ft Steady over the last 24 hours

Measured Oct 18, 2026, 11:30 PM PDT (38 min ago)

Flow: 79.1 cfs

History

7 days

Water level

What this means

The Tobacco River at Eureka is at 2.41 ft, in the normal range for mid-October.

The level has held steady over the past 24 hours. In the last month it has stayed between 2.41 ft and 2.44 ft.

Fall is often low-water season on rivers, until steadier rain returns.

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

Floating and fishing near Tobacco River at Eureka

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

Weather at the gauge

The forecast is not available right now.

Sunrise 07:07 AM Sunset 05:44 PM Daylight 10 hr, 37 min First quarter 57%

Map

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Elk River below Elko Dam DiversionRiver gauge, Elk River	1.70 m	Normal	−0.01 m	46 km
Elk River at Elko Dam ForebayRiver gauge, Elk River	8.90 m	No reference yet	±0	46 km
Kootenai River below Libby Dam near Libby MTRiver gauge, Kootenai River	17.86 ft	Below flood stage	−0.02 ft	35 mi
Fisher River near Libby MTRiver gauge, Fisher River	2.76 ft	Below flood stage	±0	38 mi
Castle River at Ranger StationRiver gauge, Castle River	1.61 m	Normal	±0	78 km
Whitefish River near Kalispell MTRiver gauge, Whitefish River	1.45 ft	Below flood stage	±0	52 mi
Flathead River at Columbia Falls MTRiver gauge, Flathead River	3.79 ft	Below flood stage	−0.01 ft	53 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 Tobacco River at Eureka today?

On Oct 18, 2026, 11:30 PM PDT, the water level was 2.41 ft. Steady over the last 24 hours.

Is Tobacco River at Eureka rising or falling?

Steady over the last 24 hours.

Is the level of Tobacco River at Eureka normal?

Normal for mid-October. Compared with 5 years of daily readings for this time of year.

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.

Where does this data come from?

The values come directly from the U.S. Geological Survey, the official operator of this gauge, and are in the public domain. We do not estimate or model live values.

For specialists

Station codes, datum, parameters, data quality and downloads

Operator: U.S. Geological Survey
Station code: usgs:12301250 (Agency page)
Coordinates: 48.87795, -115.05446 (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	2.41 ft	2026-10-19 06:30	Provisional
Flow	79.1 cfs	2026-10-19 06:30	Provisional

Download

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How to cite

U.S. Geological Survey: Tobacco River at Eureka (usgs:12301250). Accessed October 19, 2026 via Nivelmap, https://nivelmap.com/en/united-states/montana/tobacco-river-at-eureka

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