RIVER GAUGE · SNAKE RIVER
Snake River at Flagg Ranch
Teton County, Wyoming
Water level2.25 ft
Flow211 cfs
Last readingSep 16, 2026, 4:30 PM UTC (last recorded)
Action9 ft
Minor flood10 ft
Moderate flood11 ft
The past week
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What floods at each level
- 11 ft
Lower sections of downstream parking lot may be under water. Flagg Ranch campgrounds still not affected.
- 10.75 ft
Record stage and flow---15,000 cfs (6/5/1996).
- 10 ft
Flood stage. Minor flooding along lower sections of parking lot 300 feet downstream of gage on right bank.
- 9 ft
Bankfull stage.
Highest crests on record
| Date | Level | Flow |
|---|---|---|
| Jun 4, 1996 | 10.75 ft | 15,000 cfs |
| Jun 4, 1997 | 10.16 ft | 14,500 cfs |
| Jun 5, 1986 | 9.41 ft | 10,600 cfs |
More on Snake River
DownstreamSnake River below Jackson Dam
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