Nf Stillaguamish River near Arlington water level

Name: Nf Stillaguamish River near Arlington 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, Nf Stillaguamish River, Washington, United States

Directions

Very low for mid-October

Water level

1.50ft Down 0.06 ft over the last 24 hours

Measured Oct 19, 2026, 02:15 PM PDT (37 min ago)

Flow: 214 cfs

History

7 days 30 days 1 year Years compared

20252026

Water level Normal range (10–90 %) Forecast Minor flood stage

The forecast expects the river to rise to 1.80 ft by Thursday, October 29 at 05:00 AM. Issued Monday, October 19 at 08:34 AM by NOAA National Weather Service.

What this means

Low water at Nf Stillaguamish River near Arlington: the gauge reads 1.50 ft, far below normal for mid-October.

The median for mid-October is 3.28 ft, based on 30 years of readings, so the river stage is 1.78 ft below typical. It is 11.50 ft below the flood stage of 13.00 ft. On the same day last year the reading was 3.87 ft, a difference of −2.37 ft.

It is still going down, by 0.06 ft over the past 24 hours. The forecast expects the river to rise to 1.80 ft by Thursday, October 29 at 05:00 AM. Without real rain upstream, that is unlikely to change quickly. The 30-day range is 1.36 ft – 2.79 ft.

Compared with 30 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date: 3.28 ft1.78 ft below the median for this date
Normal for this date: 1.98 ft – 5.74 ft8 years in 10 fall in this range (30 years of records)
Same day last year: 3.87 ft−2.37 ft
Lowest and highest in 30 days: 1.36 ft – 2.79 ft
Lowest and highest in 12 months: 1.36 ft – 11.70 ft
Highest on record: 15.59 ftDecember 12, 2010
Forecast peak: 1.80 ftThursday, October 29 at 05:00 AM

Paddling and fishing conditions

At low levels, plan for shorter paddling trips and expect to walk your boat through a few shoals.

For reference, flood stage is 13.00 ft.

What happens at each level

15.00 ft: the North Fork Stillaguamish River will cause extensive flooding from near Darrington downstream to the confluence with the South Fork Stillaguamish River...including Oso...Cicero...Swede Heaven and SR 530. Flood waters will also cause riverbank erosion. Flooding will occur all along the river including headwaters...tributaries...and other streams within and near the N Fork Stillaguamish River Basin. A stage of 15 feet corresponds to Phase 4 in the Snohomish County Flood Warning System.
14.00 ft: the North Fork Stillaguamish River will cause flooding in the Cicero and Swede Heaven areas...Oso Loop Road...and SR 530. Flood waters will also cause riverbank erosion. A stage of 14 feet corresponds to Phase 3 in the Snohomish County Flood Warning System.
13.00 ft: the North Fork Stillaguamish River will cause flooding of Oso Loop Road and cause minor riverbank erosion. A stage of 13 feet corresponds to Phase 2 in the Snohomish County Flood Warning System.
1.50 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: 19 %.

Rank	Level	Date
1	15.59 ft	December 12, 2010
2	15.21 ft	December 5, 2023
3	15.21 ft	December 5, 2023
4	15.20 ft	November 24, 1990
5	15.12 ft	January 8, 2009
6	15.07 ft	November 17, 2015
7	14.84 ft	February 8, 1996
8	14.81 ft	October 21, 2003
9	14.81 ft	March 19, 1997
10	14.79 ft	November 13, 2015

Weather at the gauge

Rain in the last 3 days: 0.57 in. Rain that falls upstream can take hours or days to show up at a river gauge.

19 Mon 59° 45° – Wind 6 mph

20 Tue 66° 44° – Wind 4 mph

21 Wed 67° 47° – Wind 6 mph

22 Thu 58° 46° – Wind 6 mph

23 Fri 54° 41° 0.00 in Wind 6 mph

24 Sat 57° 38° – Wind 5 mph

25 Sun 62° 42° – Wind 5 mph

Forecast: Open-Meteo

Sunrise 07:34 AM Sunset 06:13 PM Daylight 10 hr, 39 min First quarter 62%

Map

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Sf Stillaguamish River near Granite FallsRiver gauge, Sf Stillaguamish River	3.54 ft	Low	−0.15 ft	12 mi
Stillaguamish River near StanwoodRiver gauge, Stillaguamish River	8.71 ft	Normal	+0.42 ft	14 mi
East Fork Tulalip Creek near Mouth near TulalipRiver gauge, East Fork Tulalip Creek	1.9 cfs	Low	+0.1 cfs	16 mi
West Fork Tulalip Creek near TulalipRiver gauge, West Fork Tulalip Creek	0.42 ft	Low	±0	16 mi
Mission Creek near TulalipRiver gauge, Mission Creek	55.29 ft	Very low	−0.01 ft	17 mi
Tulalip Creek near TulalipRiver gauge, Tulalip Creek	7.7 cfs	Normal	+0.9 cfs	17 mi
Skagit River near Sedro WoolleyRiver gauge, Skagit River	23.64 ft	Low	±0	18 mi
Skagit River near Mount VernonRiver gauge, Skagit River	10.91 ft	Low	−0.01 ft	18 mi

Questions and answers

Is the Nf Stillaguamish River near Arlington higher than last year?

No, it is 2.37 ft lower than on the same day last year, when the reading was 3.87 ft.

What is flood stage for the Nf Stillaguamish River near Arlington?

The official flood stage is 13.00 ft. The level is currently 11.50 ft below it.

What is a normal level for the Nf Stillaguamish River near Arlington in mid-October?

The median for mid-October is 3.28 ft. In 8 years out of 10 the reading falls between 1.98 ft and 5.74 ft, based on 30 years of records.

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 Nf Stillaguamish River near Arlington today?

On Oct 19, 2026, 02:15 PM PDT, the water level was 1.50 ft. Down 0.06 ft over the last 24 hours.

Is Nf Stillaguamish River near Arlington rising or falling?

Down 0.06 ft over the last 24 hours. Steady over the last 7 days.

Is the level of Nf Stillaguamish River near Arlington normal?

Very low for mid-October. Compared with 30 years of daily readings for this time of year.

For specialists

Station codes, datum, parameters, data quality and downloads

Operator: U.S. Geological Survey
Station code: usgs:12167000 (Agency page)
Coordinates: 48.26146, -122.04762 (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	1.50 ft	2026-10-19 21:15	Provisional
Flow	214 cfs	2026-10-19 21:15	Provisional

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How to cite

U.S. Geological Survey: Nf Stillaguamish River near Arlington (usgs:12167000). Accessed October 19, 2026 via Nivelmap, https://nivelmap.com/en/united-states/washington/nf-stillaguamish-river-near-arlington

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