River Conditions
Illustrated map of Lake Tahoe

River stage

Hoopa, Trinity River

River level
11.35 ft
Status
Below flood stage
7-day change
+0.04 ft
Recent high
13.08 ft
Recent low
11.09 ft

Last reported 2026-10-13 | NWS HOOC1

30-day change
-1.02 ft
Average
11.65 ft
Readings
122
Data span
122 days
Record crest
57.00 ft

In brief

The Trinity River at Hoopa, CA read 11.35 ft on Oct 13, 2026, 32.65 ft below action stage. That is 1.02 ft lower than 30 days earlier.

Source: National Weather Service gauge HOOC1

Water 57 °F (14 °C) · about normal for this date · -2 °F in 24 hours

River level timeline

11.211.511.912.212.5SEP 13SEP 18SEP 23SEP 28OCT 03OCT 08OCT 13HIGH 12.39LOW 11.3111.33 ftLAST READING

Stage threshold profile

Action stage 44.00 ftMinor flooding 48.00 ftModerate flooding 52.00 ftMajor flooding 56.00 ft CURRENT 11.35 ft

Highest crests on record

RankCrestDate
1 57.00 ft 1964-12-22
2 50.30 ft 1955-12-22
3 45.98 ft 1974-01-16
4 43.16 ft 1983-01-27
5 42.97 ft 1997-01-01
6 42.43 ft 1986-02-18
7 41.70 ft 1958-02-19
8 40.46 ft 1981-12-20

Flood crests recorded at this gauge by the National Weather Service.

What happens at each level

  1. 44.00 ft

    Minor flooding of the lowest lying areas may occur.

  2. 46.00 ft

    Flooding of many low lying areas near the river is likely. Minor flooding may occur over Highway 96 between Willow Creek and Hoopa.

  3. 48.00 ft

    Considerable flooding of low lying areas adjacent to the river including Highway 96 is likely. Significant damage to structures in these areas is possible.

  4. 51.00 ft

    Extensive flooding of all low lying areas adjacent to the river including Highway 96 both north and south of Hoopa is likely. Significant damage to structures in these areas is possible.

  5. 53.00 ft

    Extensive flooding of all low lying areas adjacent to the river, including Highway 96 north and south of Hoopa. Significant damage to structures in these areas is likely.

  6. 55.00 ft

    Extensive and severe flooding between Willow Creek and Weitchpec, and flooding of many homes and businesses in the valley areas. Expect closure of Highway 96 between Willow Creek and Weitchpec.

  7. 57.00 ft

    Severe flooding of roads, bridges and structures in and around low areas of the river is expected. Many road closures are likely including Highway 96 at several locations between Willow Creek and Weitchpec. Many homes and businesses in valley areas will be innundated.

Written by the local National Weather Service forecast office for this exact gauge.

Frequently asked questions

Is the Trinity River flooding at Hoopa?

No. The Trinity River at Hoopa is at 11.35 ft, 32.65 ft below action stage.

What is the flood stage at Hoopa?

The National Weather Service sets action stage 44 ft, minor flooding 48 ft, moderate flooding 52 ft and major flooding 56 ft.

What is the highest the Trinity River has been at Hoopa?

The highest crest on record is 57.0 ft, on 1964-12-22.

Is the Trinity River high or low right now at Hoopa?

At 11.35 ft it is higher than 46% of readings over the last 122 days.

How warm is the water at Hoopa, Trinity River?

The water temperature at Hoopa, Trinity River is 57 °F (13.8 °C), measured 7:00 pm by USGS, which is about average for this date over the past ten years. It has fallen 2.4 °F in the last 24 hours.

Stage and flood information from the NOAA National Weather Service (gauge HOOC1); daily history from the U.S. Geological Survey (site 11530000). Last reading 2026-10-13. For flood safety decisions always follow official National Weather Service warnings.