Willamette River at Portland, OR
USGS Site No: 14211720 • Willamette River • Multnomah County, OR
Willamette River at Portland, OR on the Willamette River is currently at -2,640 cfs (Very Low — -3th percentile for this date) . Gage height: 5.99 ft.
Reading from
Historical Percentile Comparison
Today's discharge compared to the long-term record for June 11 at this station. Percentile rank shows what fraction of historical years had lower flow on this date.
| Percentile | Label | CFS Threshold | Today's Flow |
|---|---|---|---|
| 10th | Very Low threshold | 10,500 | Today: -2,640 cfs |
| 25th | Low threshold | 14,000 | |
| 50th (Median) | Normal (median) | 17,400 | |
| 75th | High threshold | 26,300 | |
| 95th | Very High threshold | 64,200 |
30-Day Hydrograph
Recent discharge plotted against the historical 10th–95th percentile envelope for the same calendar days. Source: USGS daily values + long-term statistics.
30-Day Flow History
| Date | Discharge (CFS) | Gage Ht (ft) |
|---|---|---|
| May 28, 2026 | 11,100 | — |
| May 27, 2026 | 10,900 | — |
| May 26, 2026 | 12,100 | — |
| May 25, 2026 | 12,600 | — |
| May 24, 2026 | 14,000 | — |
| May 23, 2026 | 12,400 | — |
| May 22, 2026 | 11,500 | — |
| May 21, 2026 | 11,800 | — |
| May 20, 2026 | 12,000 | — |
| May 19, 2026 | 14,000 | — |
| May 18, 2026 | 13,900 | — |
| May 17, 2026 | 13,300 | — |
| May 16, 2026 | 12,300 | — |
| May 15, 2026 | 11,700 | — |
| Apr 20, 2026 | 28,600 | — |
| Apr 19, 2026 | 31,500 | — |
| Apr 18, 2026 | 34,600 | — |
| Apr 17, 2026 | 37,600 | — |
| Apr 16, 2026 | 33,800 | — |
| Apr 15, 2026 | 26,300 | — |
| Apr 14, 2026 | 23,800 | — |
| Apr 13, 2026 | 22,700 | — |
| Apr 12, 2026 | 20,200 | — |
| Apr 11, 2026 | 20,000 | — |
| Apr 10, 2026 | 18,700 | — |
| Apr 9, 2026 | 30,893 | 17.27 |
| Apr 8, 2026 | 22,400 | — |
| Apr 7, 2026 | 23,100 | — |
| Apr 6, 2026 | 24,500 | — |
| Apr 5, 2026 | 25,600 | — |
Station Information
- USGS Site No
- 14211720
- State
- OR
- County
- Multnomah County
- Coordinates
- 45.5175, -122.6692
- Drainage Area
- 11,200 mi²
- Datum (ft)
- 1.6
- HUC Code
- 17090012
Flood Stage Thresholds
- Action Stage
- 17.0 ft
- Flood Stage
- 18.0 ft
- Moderate Flood
- 24.0 ft
- Major Flood
- 28.0 ft
Currently 12.01 ft below flood stage.
Recent Extremes
- Max discharge
-
144,000 cfsDec 19, 2025
- Min discharge
-
4,320 cfsSep 3, 2025
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
Crystal Springs Creek at Bybee St, Portland, ORNormal3.3 mi · 13 cfs
-
Fanno Creek at 56th Ave, at Portland, ORNormal3.8 mi · 0 cfs
-
Johnson Creek at Milwaukie, ORLow4.6 mi · 21 cfs
-
Tryon Creek Near Lake Oswego, ORNormal6.0 mi · 2 cfs
-
Johnson Creek at Sycamore, ORLow8.3 mi · 3 cfs