Snohomish River Flow Today
As of October 5, 2026 at 12:15 AM, the Snohomish River is flowing at 1,950 cfs near Monroe, WA — 84% of normal for the date and down 10% in 24 hours. ❤ Favorite
Snohomish River map
See the Snohomish River on a live map
Every gauge, dam and paddle run on the river, one tap each:
- Gauges now — which reaches are high or low
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Snohomish River conditions today
Where the river is running versus normal, what’s rising or dropping, and what it means for a trip — built from the live USGS readings below.
At Monroe, the Snohomish River is running 1,950 cfs — 84% of normal, down 10% since yesterday. Along the river, 1 of 1 reporting gauges are below normal (the typical gauge is at 84% of normal).
How the Snohomish River compares to normal
Every reporting gauge from the top of the river to the bottom: bar length is today’s flow, colour is percent of normal for the date.
Flow along the river, upstream to downstream
- Monroe25 ft 1,950 cfs84%
Bar length uses a square-root scale so small headwater flows stay visible next to big downstream ones. Colour: <50% 50–90 90–110 110–150 150%+ of normal.
Where every gauge sits
One dot per Snohomish River streamgauge, placed by its own percent of normal. The line is the typical gauge (84%).
Snohomish River flow report
| Streamgage | Streamflow | % of normal | 24h | Gage height | To flood stage | Elevation |
|---|---|---|---|---|---|---|
|
Snohomish River Near Monroe WA
Oct 5, 12:15 AM · USGS 12150800 |
1,950 cfs | 84% | -10% | 0.48 ft | 14.5 ft below | 25 ft |
USGS provisional data. Readings are in each gauge’s local time; gauges silent for more than 3 days are marked “Last reported”. Tap any gauge for its hydrograph, forecast and history.
Dams & reservoirs on the Snohomish River
Releases from these dams shape the flow downstream. Tap one for its daily level and history.
Snohomish River streamflow over time
Daily total flow across every monitored gauge on the river (this total last updated earlier; the live gauge readings above are current).
Snohomish River
The Snohomish River is a 45-mile-long river that flows through Snohomish County, Washington. It has a rich history, as it was once used by Native American tribes for fishing and transportation. Today, the river is a vital source of water for irrigation and other agricultural uses. The hydrology of the Snohomish River is influenced by several reservoirs and dams, including the Henry M. Jackson Hydroelectric Project, which generates electricity for the region. Additionally, the river provides recreational opportunities such as fishing, kayaking, and boating, and supports a variety of wildlife, including salmon and eagles. Despite its importance, the Snohomish River has faced challenges in recent years due to pollution and habitat loss. Efforts are ongoing to protect and restore the river's health and vitality.
Fishing near the Snohomish River
About the Snohomish River
How is the Snohomish River flowing right now?
As of October 5, 2026, the Snohomish River is flowing at 1,950 cfs near Monroe, WA, about 84% of normal for the date. Every gauge’s live reading is in the table above.
Is the Snohomish River running high or low?
The typical gauge on the Snohomish River is at 84% of normal for the date. Above 100% means higher than the historical average for this calendar day; below 100% means lower. The profile above shows which reaches are high or low.
What is flood stage on the Snohomish River?
The National Weather Service sets flood stages for Monroe (15.0 ft). The table shows how far each gauge is below its flood stage right now.
Where does the data come from?
Discharge and gage height are from the USGS National Water Information System; flood stages from the National Weather Service. The history chart sums every monitored gauge on the river.
Can I get alerts for a gauge?
Yes — open any gauge from the table, favorite it in the Snoflo app and set a flow threshold.