Great Salt Lake above Great Salt Lake, UT
River level and flood forecast · Salt Lake County
The river is 14.4 ft below flood stage (4204 ft).
The last 7 days and the forecast
NWS forecast issued Sun, Dec 31, 5 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 Great Salt Lake above Great Salt Lake to flood, when it floods, and when it's over.
Flood stages
| Major flood stage | 4208 ft |
| Moderate flood stage | 4206 ft |
| Flood stage | 4204 ft |
| Near flood stage | 4203 ft |
| Record crest (June 1, 1986) | 4211.8 ft |
What floods at each level
From the National Weather Service, highest first.
- 4208 ftI-80 damaged on south rim of lake. Additionally, railroad causeways damaged. Great Salt Lake minerals operations affected.
- 4206 ftAntelope Island Causeway damaged.
- 4204 ftManaged wildlife refuges along the rim of the lake damaged.
Highest crests on record
- 4211.8 ft — June 1, 1986
- 4211 ft — April 1, 1987
- 4209.55 ft — August 15, 1985
- 4209.55 ft — March 15, 1988
- 4209.25 ft — August 1, 1984
Recent crests: 4204.5 ft (August 1, 1999) · 4209.55 ft (March 15, 1988) · 4211 ft (April 1, 1987) · 4211.8 ft (June 1, 1986) · 4209.55 ft (August 15, 1985)
Up and down the river, and nearby
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (GSLU1); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.