Fortymile River near Steele Creek AK
USGS Site No: 15348000 • Fortymile River • Southeast Fairbanks Census Area, AK
Fortymile River near Steele Creek AK on the Fortymile River is currently at 5,500 cfs (Very High — 158th percentile for this date) . Gage height: 74.91 ft.
Reading from
Historical Percentile Comparison
Today's discharge compared to the long-term record for October 27 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 | 50 | |
| 25th | Low threshold | 340 | |
| 50th (Median) | Normal (median) | 393 | |
| 75th | High threshold | 620 | |
| 95th | Very High threshold | 751 |
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 | 6,500 | — |
| May 27, 2026 | 7,740 | — |
| May 26, 2026 | 7,550 | — |
| May 25, 2026 | 6,840 | — |
| May 24, 2026 | 7,090 | — |
| May 23, 2026 | 8,510 | — |
| May 22, 2026 | 10,300 | — |
| May 21, 2026 | 9,480 | — |
| May 20, 2026 | 9,840 | — |
| May 19, 2026 | 11,200 | — |
| May 18, 2026 | 13,800 | — |
| May 17, 2026 | 15,800 | — |
| May 16, 2026 | 16,500 | — |
| May 15, 2026 | 20,800 | — |
| Oct 29, 2025 | 1,350 | — |
| Oct 28, 2025 | 1,950 | — |
| Oct 27, 2025 | 2,450 | — |
| Oct 26, 2025 | 2,730 | — |
| Oct 25, 2025 | 2,890 | — |
| Oct 24, 2025 | 2,690 | — |
| Oct 23, 2025 | 2,840 | — |
| Oct 22, 2025 | 3,130 | — |
| Oct 21, 2025 | 3,290 | — |
| Oct 20, 2025 | 3,420 | — |
| Oct 19, 2025 | 3,640 | — |
| Oct 18, 2025 | 3,860 | — |
| Oct 17, 2025 | 4,140 | — |
| Oct 16, 2025 | 4,260 | — |
| Oct 15, 2025 | 4,520 | — |
| Oct 14, 2025 | 4,640 | — |
Station Information
- USGS Site No
- 15348000
- State
- AK
- Coordinates
- 64.3088, -141.4045
- Drainage Area
- 5,850 mi²
- Datum (ft)
- 1,143.1
- HUC Code
- 19070502
Flood Stage Thresholds
- Action Stage
- 86.0 ft
- Flood Stage
- 90.0 ft
- Moderate Flood
- 94.0 ft
Currently 15.09 ft below flood stage.
Recent Extremes
- Max discharge
-
22,400 cfsMay 23, 2025
- Min discharge
-
155 cfsApr 22, 2025
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
Wade C Tributary near Chicken AKVery High13.8 mi · 3 cfs
-
Yukon River at Eagle AKVery High33.8 mi · 170,000 cfs