Tanana River at Big Delta, AK
River level and flood forecast · Southeast Fairbanks County
The river is 9.2 ft below flood stage (23 ft).
River camera
Watch the time-lapse
Camera by the U.S. Geological Survey. Most take a picture every hour, some every few minutes; many stop at night.
The last 7 days and the forecast
NWS forecast issued Sat, Oct 10, 8:18 PM. Forecasts change as rain falls and as upstream water arrives.
Get flood alerts for this river
An email when the National Weather Service forecasts Tanana River at Big Delta to flood, when it floods, and when it's over.
Flood stages
| Major flood stage | 27 ft |
| Moderate flood stage | 25 ft |
| Flood stage | 23 ft |
| Action stage | 22 ft |
| Record crest (July 29, 1949) | 23.57 ft |
What floods at each level
From the National Weather Service, highest first.
- 27 ftMajor flood stage.
- 25 ftModerate flood stage.
- 23.3 ftOn August 13 1997...a stage of 23.3 feet resulted in the flooding of structures on Whitestone Farms.
- 23 ftMinor flood stage.
- 22.5 ftOn August 13 1997...a stage of 22.5 feet prompted residents of Whitestone Farms to begin preparations for flooding...including sandbagging houses on their property. House near Rika's Roadhouse was also sandbagged.
Highest crests on record
- 23.57 ft — July 29, 1949
- 23.31 ft — August 14, 1997
- 23.24 ft — July 31, 1952
- 23.16 ft — August 29, 2023
- 22.86 ft — August 3, 1954
Recent crests: 21.72 ft (August 30, 2025) · 21.87 ft (August 10, 2024) · 23.16 ft (August 29, 2023) · 20.88 ft (June 28, 2013) · 21.56 ft (July 4, 2012)
Up and down the river, and nearby
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (BGDA2); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.