Country: USA

Hebgen Lake water level today

Lake in Gallatin County, Montana

6,529.86ft
1,990.30 m · NGVD29
Measured · provisional
SteadyNOAA: No official flood stages here
24 hours
▲ 0.09 ft
7 days
▼ 0.06 ft
30 days
▼ 0.62 ft

What this means

It is lower than on Oct 23 in 2 of the last 3 years.

The lake has fallen 0.06 ft in 7 days and fallen 0.62 ft in 30 days.

Since 2023, the lowest daily level was 6,528.36 ft (Apr 2025) and the highest 6,534.81 ft (Jun 2026).

Hebgen Lake level chart

Loading chart…

Measured Normal range for the date (middle 50% of past years)

Same date in past years

DateLevelvs today
Oct 23, 20256,529.52 ft▼ 0.34 ft
Oct 23, 20246,529.97 ft▲ 0.11 ft
Oct 23, 20236,531.65 ft▲ 1.79 ft

Records & details

Highest
6,534.81 ft on Jun 10, 2026
Lowest
6,528.36 ft on Apr 9, 2025
Records from
2023 (3 years of daily data)
Water temperature
Not measured here

Full history: yearly highs and lows, monthly averages →

Hebgen Dam

Height
120 ft
Completed
1915
Purposes
Hydroelectric; Recreation; Water Supply; Flood Risk Reduction
Owner
Private
Normal storage
386,000 acre-ft
Surface area
13,000 acres

National Inventory of Dams (U.S. Army Corps of Engineers). All dam facts →

Boat ramps on Hebgen Lake

3 ramps without a name, on the map: 123

3 ramps listed. Links open the ramp's location on OpenStreetMap. Check the managing agency for closures, especially at low water. All Montana boat ramps →

Campgrounds near Hebgen Lake

All 5 campgrounds, reservations and phone numbers →

Federal campgrounds from Recreation.gov; straight-line distance from the lake's gauge or dam.

Weather & wind

This Afternoon40°F · Rain And Snow
Wind SW 6 mph
Tonight18°F · Rain And Snow then Mostly Cloudy
Wind NNW 2 to 10 mph
Saturday42°F · Sunny
Wind E 2 mph
Saturday Night22°F · Mostly Clear
Wind E 1 mph
Sunday47°F · Sunny
Wind ESE 2 mph
Sunday Night24°F · Mostly Clear
Wind ESE 2 mph

NOAA National Weather Service forecast for this lake's location, updated 18 min ago.

Flood information

NOAA: No official flood stages here

Flood status comes from the NOAA National Weather Service. We do not issue warnings. Flood stages explained. For official forecasts and warnings, see the NOAA gauge page.

Nearby lakes

All Montana lake levels →