Mores Creek above Robie Creek near Arrowrock Dam water level

Name: Mores Creek above Robie Creek near Arrowrock Dam 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, Mores Creek, Idaho, United States

Directions

Below flood stage

Water level

1.85ft Steady over the last 24 hours

Measured Oct 21, 2026, 12:30 AM PDT (1 hour ago)

Flow: 30.3 cfs

History

7 days

Water level Forecast Minor flood stage

The forecast expects the river to rise to 2.27 ft by Friday, October 23 at 05:00 AM. Issued Tuesday, October 20 at 01:24 PM by NOAA National Weather Service.

What this means

The gauge at Mores Creek above Robie Creek near Arrowrock Dam reads 1.85 ft, a normal level.

It is 6.95 ft below the flood stage of 8.80 ft.

The level has held steady over the past 24 hours. The forecast expects the river to rise to 2.27 ft by Friday, October 23 at 05:00 AM. Over the past 30 days it has moved between 1.83 ft and 1.86 ft.

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

Key numbers

Highest on record: 9.55 ftDecember 23, 1955
Forecast peak: 2.27 ftFriday, October 23 at 05:00 AM

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 8.80 ft, still 6.95 ft away.

What happens at each level

8.80 ft: Water will encroach on a single lane of Highway 21 along a few low sections adjacent to Mores Creek.
8.00 ft: Water will be near the edge of Highway 21 in some low spots along Mores Creek, between Robie Creek and Idaho City.
1.85 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 %.

Rank	Level	Date
1	9.55 ft	December 23, 1955
2	9.18 ft	January 2, 1997
3	8.91 ft	March 20, 2017
4	8.83 ft	April 5, 2006
5	8.79 ft	February 24, 1986
6	8.34 ft	April 9, 2019
7	7.87 ft	March 12, 1983
8	7.41 ft	April 14, 2002
9	7.22 ft	April 14, 1982
10	7.16 ft	April 1, 2012

Weather at the gauge

No rain in the last 3 days.

20 Tue 75° 51° – Wind 13 mph

21 Wed 76° 57° – Wind 13 mph

22 Thu 75° 56° 0.45 in, 95% Wind 23 mph

23 Fri 55° 44° 0.44 in, 95% Wind 8 mph

24 Sat 55° 39° – Wind 6 mph

25 Sun 59° 42° – Wind 5 mph

26 Mon 61° 44° – Wind 6 mph

Forecast: Open-Meteo

Sunrise 07:06 AM Sunset 05:52 PM Daylight 10 hr, 46 min Waxing gibbous 75%

Map

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Arrowrock ReservoirReservoir	3,132.35 ft	Normal		4.9 mi
Lucky Peak LakeLake	2,944.86 ft	Normal		9 mi
Boise River near Twin SpringsRiver gauge, Boise River	300 cfs	Low	−4.0 cfs	13 mi
Boise River at Glenwood Bridge near BoiseRiver gauge, Boise River	222 cfs	Normal	+7.0 cfs	14 mi
Boise River South Channel at EagleRiver gauge, Boise River South Channel	194 cfs	Low	−14.0 cfs	18 mi
Eagle Drain at EagleCanal gauge, Eagle Drain	13.0 cfs	Normal	−0.3 cfs	19 mi
Payette River near Horseshoe BendRiver gauge, Payette River	803 cfs	Low	±0	23 mi
Black Canyon ReservoirReservoir	2,490.44 ft	Low		30 mi

Questions and answers

What is flood stage for Mores Creek above Robie Creek near Arrowrock Dam?

The official flood stage is 8.80 ft. The level is currently 6.95 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 Mores Creek above Robie Creek near Arrowrock Dam today?

On Oct 21, 2026, 12:30 AM PDT, the water level was 1.85 ft. Steady over the last 24 hours.

Is Mores Creek above Robie Creek near Arrowrock Dam rising or falling?

Steady over the last 24 hours. Steady over the last 7 days.

Is the level of Mores Creek above Robie Creek near Arrowrock Dam normal?

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

What is the highest water level ever recorded at Mores Creek above Robie Creek near Arrowrock Dam?

The highest level on record is 9.55 ft on December 23, 1955.

Is Mores Creek above Robie Creek near Arrowrock Dam expected to rise?

The forecast expects the river to rise to 2.27 ft by Friday, October 23 at 05:00 AM.

For specialists

Station codes, datum, parameters, data quality and downloads

Operator: U.S. Geological Survey
Station code: usgs:13200000 (Agency page)
Coordinates: 43.64806, -115.98972 (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	1.85 ft	2026-10-21 07:30	Provisional
Flow	30.3 cfs	2026-10-21 07:30	Provisional

Download

Embed this gauge

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

<iframe src="https://nivelmap.com/embed/13625?lang=en" width="360" height="230" style="border:0;max-width:100%" loading="lazy" title="Mores Creek above Robie Creek near Arrowrock Dam water level"></iframe>

How to cite

U.S. Geological Survey: Mores Creek above Robie Creek near Arrowrock Dam (usgs:13200000). Accessed October 21, 2026 via Nivelmap, https://nivelmap.com/en/united-states/idaho/mores-creek-above-robie-creek-near-arrowrock-dam

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