Siuslaw River Flow Today
As of October 3, 2026 at 1:00 AM, the Siuslaw River is flowing at 117 cfs near Mapleton, OR — 82% of normal for the date and down 4% in 24 hours. ❤ Favorite
Siuslaw River map
See the Siuslaw 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
- Dams & paddle runs — storage and what’s in range
- Rain — past 24 hrs and the 72-hr forecast, press play
✓ Free for 7 days · ✓ Cancel anytime
Siuslaw 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 Mapleton, the Siuslaw River is running 117 cfs — 82% of normal, down 4% since yesterday. Along the river, 1 of 1 reporting gauges are below normal (the typical gauge is at 82% of normal).
Paddlers: 0 of 6 runs on the Siuslaw River with a live range are in range, 6 too low.
How the Siuslaw 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
- Mapleton19 ft 117 cfs82%
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 Siuslaw River streamgauge, placed by its own percent of normal. The line is the typical gauge (82%).
Siuslaw River flow report
| Streamgage | Streamflow | % of normal | 24h | Gage height | To flood stage | Elevation |
|---|---|---|---|---|---|---|
|
Siuslaw River Near Mapleton OR
Oct 3, 1:00 AM · USGS 14307620 |
117 cfs | 82% | -4% | 2.99 ft | 15.0 ft below | 19 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.
Paddle runs on the Siuslaw River
Each run is checked against its runnable range using the gauge it is keyed to (or the nearest gauge on this river).
Siuslaw 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).
Siuslaw River
The Siuslaw River is a coastal river in western Oregon that spans approximately 110 miles. It has a rich history of use by indigenous tribes, European explorers, and early settlers. The river is fed by several smaller tributaries and has a diverse hydrology that includes estuaries, wetlands, and forests. Two notable dams, the Siuslaw Falls Dam and the Mapleton Dam, were constructed in the early 20th century for hydroelectric power, but are no longer operational. The river is home to a number of recreational activities including salmon and steelhead fishing, kayaking, boating, and hiking. The surrounding area also supports agricultural practices such as dairy farming and cranberry cultivation. Overall, the Siuslaw River is an important ecological and economic resource for the region.
Fishing near the Siuslaw River
About the Siuslaw River
How is the Siuslaw River flowing right now?
As of October 3, 2026, the Siuslaw River is flowing at 117 cfs near Mapleton, OR, about 82% of normal for the date. Every gauge’s live reading is in the table above.
Is the Siuslaw River running high or low?
The typical gauge on the Siuslaw River is at 82% 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 Siuslaw River?
The National Weather Service sets flood stages for Mapleton (18.0 ft). The table shows how far each gauge is below its flood stage right now.
Is the Siuslaw River runnable for paddling today?
Each run in the paddle table is checked against its runnable range using its gauge's live flow.
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.