Mill Creek at Opportunity water level

Name: Mill Creek at Opportunity 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, Mill Creek, Montana, United States

Directions

Normal for mid-October

Water level

2.41ft Down 0.06 ft over the last 24 hours

Measured Oct 19, 2026, 10:00 PM MDT (1 hour ago)

Flow: 5.7 cfs
Water temperature: 46 °F

History

7 days

Water level

What this means

Mill Creek at Opportunity is at 2.41 ft, in the normal range for mid-October.

It has dropped 0.06 ft over the past 24 hours. In the last month it has stayed between 2.41 ft and 2.49 ft.

Fall is often low-water season on rivers, until steadier rain returns. The water temperature at the gauge is 46 °F.

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

Floating and fishing near Mill Creek at Opportunity

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

Weather at the gauge

No rain in the last 3 days.

19 Mon 66° 38° – Wind 12 mph

20 Tue 66° 40° – Wind 7 mph

21 Wed 68° 41° – Wind 12 mph

22 Thu 69° 44° – Wind 12 mph

23 Fri 53° 35° 0.07 in, 85% Wind 15 mph

24 Sat 56° 27° – Wind 8 mph

25 Sun 62° 31° – Wind 4 mph

Forecast: Open-Meteo

Sunrise 07:56 AM Sunset 06:38 PM Daylight 10 hr, 42 min First quarter 65%

Map

Other gauges on Mill Creek

Gauge	Level	Compared with normal	24 hours	Distance
Mill Creek near AnacondaRiver gauge, Mill Creek	11.5 cfs	Low	−0.5 cfs	4.8 mi

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Willow Creek at OpportunityRiver gauge, Willow Creek	4.0 cfs	Very low	−0.3 cfs	0.9 mi
Silver Bow Creek at Opportunity MTRiver gauge, Silver Bow Creek	24.4 cfs	Very low	±0	1.2 mi
Warm Springs Creek near Anaconda MTRiver gauge, Warm Springs Creek	56.4 cfs	Low	−1.1 cfs	3.9 mi
Lost Creek near Anaconda MTRiver gauge, Lost Creek	6.6 cfs	Normal	−0.4 cfs	4.6 mi
Willow Creek near AnacondaRiver gauge, Willow Creek	1.9 cfs	Normal	−0.2 cfs	4.6 mi
Warm Springs Creek at Warm Springs MTRiver gauge, Warm Springs Creek	45.2 cfs	Normal	±0	5.1 mi
Silver Bow Creek at Warm Springs MTRiver gauge, Silver Bow Creek	30.5 cfs	Low	±0	5.1 mi
Clark Fork near Galen MTRiver gauge, Clark Fork	83.2 cfs	Normal	±0	7 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 Mill Creek at Opportunity today?

On Oct 19, 2026, 10:00 PM MDT, the water level was 2.41 ft. Down 0.06 ft over the last 24 hours.

Is Mill Creek at Opportunity rising or falling?

Down 0.06 ft over the last 24 hours.

Is the level of Mill Creek at Opportunity 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:12323700 (Agency page)
Coordinates: 46.11360, -112.82806 (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	2026-10-20 04:00	Provisional
Flow	5.7 cfs	2026-10-20 04:00	Provisional
Water temperature	46 °F	2026-10-20 04:00	Provisional

Download

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How to cite

U.S. Geological Survey: Mill Creek at Opportunity (usgs:12323700). Accessed October 20, 2026 via Nivelmap, https://nivelmap.com/en/united-states/montana/mill-creek-at-opportunity

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