States

Henrys Lake

Idaho · Reclamation gauge
1314151617
Grey bar: 12-month range 12.7–16.6 ft.
Water level · NAVD88
12.98FT
Storage 66,738 acre-feet
The source publishes no % full figure.
7 days +0.11 ft30 days +0.17 ft
Reading for Oct 24, 2026 · page refreshed Oct 25, 21:16 UTC
Source: U.S. Bureau of Reclamation (RISE)
Worth going today?This Afternoon
Looks good
Light wind, dry
Wind0 mph
Rain0%
Temp48°F
Level13.0 ft
This AfternoonSunny · 48°F
0 mph · rain 0%
TonightAreas Of Fog · 29°F
NNE 2 mph · rain 1%
NWS forecast for the gauge location. Good = wind ≤ 10 mph and rain ≤ 30%; storms are flagged. Not safety advice – check local conditions, closures and warnings.

Level history

12.513.013.5ftSep 24Oct 2Oct 9Oct 16Oct 24
12.513.013.5ftSep 24Oct 9Oct 24
1314151617ftJan 2026Mar 2026Jun 2026Aug 2026Oct 2026
1314151617ftJan 2026Jun 2026Oct 2026

Field notes

On Oct 24, 2026, Henrys Lake was at 12.98 (NAVD88) ft.

Reclamation reports storage of 66,738 acre-feet for the same day.

Over the past 7 days the lake has been rising (+0.11 ft), and it is +0.17 ft over 30 days.

Readings come from the Bureau of Reclamation's daily reservoir data for Henrys Lake and Henrys Lake Dam (HEN).

Lake facts

Storage (latest)66,738 acre-feet
Gauge / stationHenrys Lake and Henrys Lake Dam (HEN)
Elevation datumft (NAVD88)
Gauge location44.5972, -111.3536

Nearby lakes

Island Park Reservoir13 mi S6,283.16 ft+1.68 ftHebgen Lake18 mi N · MT6,529.84 ft−0.07 ftGrassy Lake42 mi SE · WY7,180.11 ft+0.35 ftLima Reservoir Upstream of Clark Canyon Reservoir50 mi W · MT6,567.52 ft+0.25 ftJackson Lake64 mi SE · WY6,734.38 ft+0.20 ft

Common questions

Is Henrys Lake rising or falling?

Over the last 7 days it changed +0.11 ft and over 30 days +0.17 ft.

How full is Henrys Lake?

Reclamation publishes the water surface elevation for this gauge but not a percent-full figure, so we don't show one rather than estimate it.

How often is this page updated?

The page is rebuilt automatically every day from Reclamation's published data. Values can be revised later by the source agency.

Where does the data come from?

The U.S. Bureau of Reclamation's RISE data portal (data.usbr.gov). Forecasts come from the National Weather Service.

Daily values published by the Bureau of Reclamation. Reclamation data are provisional and subject to revision unless otherwise noted. This page is not affiliated with or endorsed by the Bureau of Reclamation. See data sources.