LakeLevelIs Jackson Lake low right now?
Jackson Lake was at 6,733.80 ft on October 10, 2026, 34.20 ft below its full pool of 6,768.0 ft. That is 23.25 ft below the typical level for October 10 — lower than in 9 of 10 past years. Over the past week the lake has been steady.
Jackson Lake on Oct 10 in past years
Daily levels, last two weeks
| Date | Level (ft) | Change | vs full pool |
|---|---|---|---|
| Oct 10 | 6,733.79 | −0.01 | −34.2 |
| Oct 9 | 6,733.80 | +0.01 | −34.2 |
| Oct 8 | 6,733.79 | +0.02 | −34.2 |
| Oct 7 | 6,733.77 | +0.01 | −34.2 |
| Oct 6 | 6,733.76 | +0.01 | −34.2 |
| Oct 5 | 6,733.75 | +1.39 | −34.3 |
| Oct 4 | 6,732.36 | −1.38 | −35.6 |
| Oct 3 | 6,733.74 | +0.01 | −34.3 |
| Oct 2 | 6,733.73 | +4.95 | −34.3 |
| Oct 1 | 6,728.78 | −5.20 | −39.2 |
| Sep 30 | 6,733.98 | −0.06 | −34.0 |
| Sep 29 | 6,734.04 | ±0.00 | −34.0 |
| Sep 28 | 6,734.04 | −0.01 | −34.0 |
| Sep 27 | 6,734.05 | −0.01 | −33.9 |
About Jackson Lake
- Full pool
- 6,768.0 ft (Top of Normal)
- 10-year range
- 6,733.7 ft (September 30, 2026) to 6,769.2 ft (July 6, 2017)
- Operated by
- U.S. Army Corps of Engineers
- Data
- U.S. Army Corps of Engineers — NWDP district, JCK
- Datum
- NGVD29
Lakes near Jackson Lake
- Grassy LakeWyoming · 22 mi 7,179.4 ft +0.2 wkLower than usual for this time of year
- Palisades LakeIdaho · 47 mi 5,516.0 ft −3.4 wkNormal for this time of year
- Island Park ReservoirIdaho · 56 mi 6,279.1 ft +1.9 wkLower than usual for this time of year
- Ririe LakeIdaho · 61 mi 5,063.2 ft −0.5 wkLower than usual for this time of year
- Henrys Lake Dm Henrys FkIdaho · 64 mi 12.8 ft −0.0 wkLower than usual for this time of year
- Hebgen LakeMontana · 79 mi 6,530.0 ft −0.3 wkLatest reading
Questions
Is Jackson Lake low right now?
Jackson Lake was at 6,733.80 ft on October 10, 2026, 34.20 ft below its full pool of 6,768.0 ft. That is 23.25 ft below the typical level for October 10 — lower than in 9 of 10 past years. Over the past week the lake has been steady.
What is full pool for Jackson Lake?
Full pool (Top of Normal) is 6,768.0 ft above sea level, per U.S. Army Corps of Engineers. Levels above it mean the operator is storing flood water; levels below it are normal in late summer and winter drawdowns.
How often is the Jackson Lake level updated?
The operator reports every 15 minutes to an hour. This page refreshes several times a day; the time of the latest reading is shown next to the level.
Where does this data come from?
U.S. Army Corps of Engineers (NWDP district, JCK). Readings are provisional and can be revised.