States

Hebgen Lake

near West Yellowstone, MT · Montana · USGS gauge
6,5286,5296,5306,5316,532
Water level · NGVD29
6,529.84FT
Gauge elevation · no % full published
7 days −0.07 ft30 days −0.55 ftvs last year +0.32 ft
Reading for Oct 25, 2026, 18:45 UTC · page refreshed Oct 25, 21:11 UTC
Source: U.S. Geological Survey (Water Data for the Nation)
Worth going today?This Afternoon
Looks good
Light wind, dry
Wind1 mph
Rain0%
Temp44°F
Level6,529.8 ft
This AfternoonSunny · 44°F
SE 1 mph · rain 0%
TonightPartly Cloudy · 26°F
ENE 0 to 3 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.

Field notes

Hebgen Lake's latest daily level (Oct 25, 2026) is 6,529.84 (NGVD29) ft.

Over the past 7 days the lake has been falling (−0.07 ft), and it is −0.55 ft over 30 days.

Compared with a year ago (6,529.52 ft, same time of day), the lake is 0.32 ft higher.

Readings come from the USGS gauge “Hebgen Lake near West Yellowstone, MT”. Gauge elevations are not directly comparable between lakes because each uses its own datum.

Lake facts

Gauge / stationHebgen Lake near West Yellowstone, MT
Elevation datumft (NGVD29)
Gauge location44.8636, -111.3356

Nearby lakes

Henrys Lake18 mi S · ID12.98 ft+0.11 ftIsland Park Reservoir31 mi S · ID6,283.16 ft+1.68 ftLima Reservoir Upstream of Clark Canyon Reservoir53 mi W6,567.52 ft+0.25 ftGrassy Lake57 mi SE · WY7,180.11 ft+0.35 ftClark Canyon Reservoir75 mi W5,517.85 ft+0.97 ft

Common questions

Is Hebgen Lake rising or falling?

Over the last 7 days it changed −0.07 ft and over 30 days −0.55 ft.

How full is Hebgen Lake?

USGS 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 USGS's published data. Values can be revised later by the source agency.

Where does the data come from?

The U.S. Geological Survey's Water Data API (api.waterdata.usgs.gov), which publishes readings from USGS and partner gauges. Forecasts come from the National Weather Service.

Latest instantaneous reading; 7-day, 30-day and year-ago changes compare readings at the same hour. USGS data are provisional and subject to revision. This page is not affiliated with or endorsed by the USGS. See data sources.