River Conditions
Illustrated map of Lake Coeur d Alene

River stage

Jackson, Snake River

River level
1.75 ft
Status
Below flood stage
7-day change
+0.59 ft
Recent high
5.53 ft
Recent low
1.11 ft

Last reported 2026-10-13 | NWS JKSW4

30-day change
-1.38 ft
Average
3.92 ft
Readings
122
Data span
122 days
Record crest
11.66 ft

In brief

The Snake River at Jackson, WY read 1.75 ft on Oct 13, 2026, 7.25 ft below action stage. That is 1.38 ft lower than 30 days earlier.

Source: National Weather Service gauge JKSW4

Water 49 °F (10 °C) · about normal for this date · -2 °F in 24 hours

River level timeline

0.81.52.22.93.6SEP 13SEP 18SEP 23SEP 28OCT 03OCT 08OCT 13HIGH 3.26LOW 1.111.74 ftLAST READING

Stage threshold profile

Action stage 9.00 ftMinor flooding 10.00 ftModerate flooding 12.00 ft CURRENT 1.75 ft

Highest crests on record

RankCrestDate
1 11.66 ft 1997-06-11
2 10.22 ft 1986-06-06
3 10.12 ft 1996-06-11
4 10.00 ft 2017-06-06
5 9.25 ft 1982-06-29
6 9.16 ft 1999-06-18
7 9.11 ft 1984-06-01
8 9.05 ft 2010-06-08

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

What happens at each level

  1. 10.00 ft

    Flood stage. Minor low land flooding.

  2. 10.50 ft

    Snake River begins to cause flooding near the Bridger-Teton National Forest Cottonwood Work Center. Cabins and garages begin to flood and escape routes start to be cut off.

  3. 10.80 ft

    Minor damage and/or problems to levee structures between Jackson Lake and the gage site begin. 24-hour monitoring of levees is needed.

  4. 11.10 ft

    Flows in excess of 30,000 cfs can cause substantial erosional damage to the levee system. Levee repair begins to overwhelm available resources. Extended periods of flow at this level seriously threatens low-lying property in the Snake River flood plain below Jackson Lake.

  5. 11.66 ft

    Record stage and flow---30,200 cfs (6/11/1997).

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

Frequently asked questions

Is the Snake River flooding at Jackson?

No. The Snake River at Jackson is at 1.75 ft, 7.25 ft below action stage.

What is the flood stage at Jackson?

The National Weather Service sets action stage 9 ft, minor flooding 10 ft and moderate flooding 12 ft.

What is the highest the Snake River has been at Jackson?

The highest crest on record is 11.66 ft, on 1997-06-11.

Is the Snake River high or low right now at Jackson?

At 1.75 ft it is higher than 11% of readings over the last 122 days.

How warm is the water at Jackson, Snake River?

The water temperature at Jackson, Snake River is 49 °F (9.6 °C), measured 7:30 pm by USGS, which is about average for this date over the past ten years. It has fallen 2.5 °F in the last 24 hours.

Stage and flood information from the NOAA National Weather Service (gauge JKSW4); daily history from the U.S. Geological Survey (site 13018750). Last reading 2026-10-13. For flood safety decisions always follow official National Weather Service warnings.