Snohomish River at Snohomish water level

Name: Snohomish River at Snohomish 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, Snohomish River, Washington, United States

Directions

High for mid-October

Water level

15.15ft Down 0.57 ft over the last 24 hours

Measured Oct 18, 2026, 12:00 PM PDT (52 min ago)

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 15.86 ft by Tuesday, October 27 at 08:00 AM. Issued Sunday, October 18 at 08:39 AM by NOAA National Weather Service.

What this means

High water at Snohomish River at Snohomish: the latest reading is 15.15 ft, above normal for mid-October.

That puts it 3.03 ft above the median of 12.12 ft for mid-October, based on 15 years of readings. It is 9.85 ft below the flood stage of 25.00 ft. A year ago it stood at 11.30 ft (+3.85 ft).

It is still going down, by 0.57 ft over the past 24 hours. The forecast expects the river to rise to 15.86 ft by Tuesday, October 27 at 08:00 AM. The 30-day range is 5.49 ft – 15.72 ft.

Compared with 15 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date: 12.12 ft3.03 ft above the median for this date
Normal for this date: 10.97 ft – 16.55 ft8 years in 10 fall in this range (15 years of records)
Same day last year: 11.30 ft+3.85 ft
Lowest and highest in 30 days: 5.49 ft – 15.72 ft
Lowest and highest in 12 months: 11.21 ft – 33.54 ft
Highest on record: 34.15 ftDecember 11, 2025
Forecast peak: 15.86 ftTuesday, October 27 at 08:00 AM

Paddling and fishing conditions

Above-normal flows push fish to the edges and make wading risky. Wait for the river to drop and clear.

For reference, flood stage is 25.00 ft.

What happens at each level

33.00 ft: the Snohomish River will cause severe near record flooding. Flood waters will likely overtop levees...with major levee damage possible. Flood waters will inundate much of the river valley...including SR2 west of Monroe...SR9 and the Lowell-Snohomish River Rd. Flooding will occur all along the river including headwaters...tributaries...and other streams within and near the Snohomish River Basin. A stage of 33 feet on the Snohomish River corresponds to a Phase 4 in the Snohomish County flood program.
32.00 ft: the Snohomish River will cause major flooding. Overtopping begins at French Slough area. Flood waters will likely overtop other levees...with major levee damage possible. Flood waters will inundate much of the lowlands and many roads. Flooding will occur all along the river including headwaters...tributaries...and other streams within and near the Snohomish River Basin. A stage of 32 feet on the Snohomish River corresponds to a Phase 4 in the Snohomish County flood program.
31.00 ft: the Snohomish River will cause major flooding. Flood waters will likely overtop levees...with major levee damage possible. Flood waters will inundate much of the valley and many roads. Flooding will occur all along the river including headwaters...tributaries...and other streams within and near the Snohomish River Basin. A stage of 31 feet on the Snohomish River corresponds to a Phase 4 in the Snohomish County flood program.
30.00 ft: the Snohomish River will flood low farm lands and several roads...including Riverview Rd and the Snohomish-Monroe highway. Hide tidal levels could worsen flooding on the lower delta and Ebey Island. Levees may be damaged. Berms start overtopping at this level. Flooding will occur all along the river including headwaters...tributaries...and other streams within and near the Snohomish River Basin. This stage on the Snohomish River corresponds to a Phase 4 in the Snohomish County flood program.
29.00 ft: the Snohomish River will flood low farm lands and several roads...including Riverview Rd and the Snohomish-Monroe highway. Hide tidal levels could worsen flooding on the lower delta and Ebey Island. Flooding will occur all along the river including headwaters...tributaries...and other streams within and near the Snohomish River Basin. A stage of 29 feet on the Snohomish River corresponds to a Phase 3 in the Snohomish County flood program.
28.00 ft: the Snohomish River will flood several roads...including the Snohomish-Monroe highway and Riverview Road...and low areas of the lower Snohomish valley that are not protected by levees. A stage of 28 feet on the Snohomish River corresponds to a Phase 3 in the Snohomish County flood program.
27.00 ft: the Snohomish River will flood several roads...including the Snohomish-Monroe highway...and low areas of the lower Snohomish valley that are not protected by levees. A stage of 27 feet on the Snohomish River corresponds roughly to a Phase 2 in the Snohomish County flood program.
25.00 ft: the Snohomish River will cause minor flooding of lowlands not protected by levees and on the Old Snohomish-Monroe highway. A stage of 25 feet on the Snohomish River corresponds to a Phase 2 in the Snohomish County flood program.
15.15 ft: Right now

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

Highest crests on record

Rank	Level	Date
1	34.15 ft	December 11, 2025
2	33.50 ft	November 25, 1990
3	33.49 ft	November 8, 2006
4	33.47 ft	January 8, 2009
5	33.16 ft	December 4, 1975
6	33.11 ft	November 29, 1995
7	32.86 ft	November 24, 1986
8	32.72 ft	November 10, 1990
9	31.23 ft	December 27, 1980
10	30.90 ft	November 18, 2015

Weather at the gauge

Rain in the last 3 days: 0.03 in. Rain that falls upstream can take hours or days to show up at a river gauge.

18 Sun 59° 37° – Wind 8 mph

19 Mon 60° 43° – Wind 5 mph

20 Tue 60° 42° – Wind 8 mph

21 Wed 68° 43° – Wind 3 mph

22 Thu 59° 45° – Wind 8 mph

23 Fri 55° 41° 0.02 in, 25% Wind 8 mph

24 Sat 48° 41° 0.18 in, 32% Wind 7 mph

Forecast: Open-Meteo

Sunrise 07:33 AM Sunset 06:16 PM Daylight 10 hr, 43 min First quarter 52%

Map

Other gauges on the Snohomish River

Gauge	Level	Compared with normal	24 hours	Distance
Snohomish River near MonroeRiver gauge, Snohomish River	0.38 ft	Very low	−0.01 ft	6.0 mi

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Pilchuck River near SnohomishRiver gauge, Pilchuck River	10.02 ft	Normal	+0.10 ft	2.0 mi
Mission Creek near TulalipRiver gauge, Mission Creek	55.30 ft	Very low	−0.01 ft	13 mi
Sultan River below Powerplant near SultanRiver gauge, Sultan River	5.10 ft	Low	−0.11 ft	13 mi
Tulalip Creek near TulalipRiver gauge, Tulalip Creek	7.7 cfs	Low	+0.6 cfs	14 mi
Sultan River below Diversion Dam near SultanRiver gauge, Sultan River	26.15 ft	Low	±0	14 mi
Sf Stillaguamish River near Granite FallsRiver gauge, Sf Stillaguamish River	3.70 ft	Low	+0.27 ft	15 mi
East Fork Tulalip Creek near Mouth near TulalipRiver gauge, East Fork Tulalip Creek	1.8 cfs	Very low	−0.1 cfs	15 mi
West Fork Tulalip Creek near TulalipRiver gauge, West Fork Tulalip Creek	0.43 ft	Normal	±0	16 mi

Questions and answers

How does the Snohomish River at Snohomish compare with last year?

It is 3.85 ft higher than on the same day last year, when the reading was 11.30 ft.

What is flood stage for the Snohomish River at Snohomish?

The official flood stage is 25.00 ft. The level is currently 9.85 ft below it.

What is a normal level for the Snohomish River at Snohomish in mid-October?

The median for mid-October is 12.12 ft. In 8 years out of 10 the reading falls between 10.97 ft and 16.55 ft, based on 15 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 Snohomish River at Snohomish today?

On Oct 18, 2026, 12:00 PM PDT, the water level was 15.15 ft. Down 0.57 ft over the last 24 hours.

Is Snohomish River at Snohomish rising or falling?

Down 0.57 ft over the last 24 hours. Up 2.79 ft over the last 7 days.

Is the level of Snohomish River at Snohomish normal?

High for mid-October. Compared with 15 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:12155500 (Agency page)
Coordinates: 47.91100, -122.09875 (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	15.15 ft	2026-10-18 19:00	Provisional

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How to cite

U.S. Geological Survey: Snohomish River at Snohomish (usgs:12155500). Accessed October 18, 2026 via Nivelmap, https://nivelmap.com/en/united-states/washington/snohomish-river-at-snohomish

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