Hebgen Lake lake and shoreline

Hebgen Lake Water Level

Montana

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Lake-specific pages: Weather · Lake level.

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Hebgen Lake

Hebgen Lake is currently at a water-surface elevation of 6529.9 feet.

6529.88 ft · Updated 4 hours ago · U.S. Geological Survey (USGS)

Current level

6,529.88ft

Status unavailable

Since last reading

Down 0.02 ft

Previous readingOct 246,529.83 ft

7-day change

Down 0.08 ft

7-day trend: Stable

8 daily readings in the last 7 days

30-day change

Down 0.57 ft

29 daily readings in the last 30 days

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Water Level History

Current
6529.88 ft
24h
-0.02 ft
7d
-0.08 ft
30d
-0.57 ft

Elevation (ft) Water-surface elevation (ft)

Reference line is designed full pool.

Water Temperature

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Lake Level Context

Current lake level

Hebgen Lake is currently 6529.88 ft. The lake has fallen 0.08 ft over the past 7 days and 0.57 ft over the past 30 days.

Hebgen Lake Level Details

Reference elevations, recent daily readings, data sources, and answers to common questions.

Conditions & Reference

Level status

Summary updating

This comparison needs the current level and full pool. We use the live feed when present, otherwise the latest daily summary when it includes a pool comparison.

DatumVertical reference for published pool and stage elevations at this lake (from the lake catalog).
Water-surface elevation (ft)
Elevation reference
Not available
Source
U.S. Geological Survey (USGS)

Reference levels

No published reference elevations for this lake.

Surrounding county drought

No Drought

Dominant category Abnormally Dry (D0); not counted as official drought.

Severity

NoneExtreme
Trend
Stable

Surrounding county drought

Gallatin County, MT

No Drought

No Drought. No USDM drought categories are reported for Gallatin County, MT. These figures describe the surrounding county from the lake location, not the lake itself.. Trend: Stable compared with last week. Official drought (D1–D4) no

Severity

NoneExtreme

Weekly trend

Stable

Compared with last week

Official drought (D1–D4)

No

Abnormally Dry (D0) is present in the surrounding county, but D0 is not counted as official drought (D1–D4).

U.S. Drought Monitor · map date Oct 20, 2026. Updated weekly. Official drought means U.S. Drought Monitor categories D1–D4 (Moderate through Exceptional). Abnormally Dry (D0) is not counted as official drought. droughtmonitor.unl.eduView drought map for Gallatin County, MT

Daily level summary

DateLevelChange
Oct 25, 20266,529.81-0.02
Oct 24, 20266,529.83-0.04
Oct 23, 20266,529.87+0.04
Oct 22, 20266,529.830
Oct 21, 20266,529.83-0.02
Oct 20, 20266,529.85-0.03
Oct 19, 20266,529.88-0.01

Common questions about Hebgen Lake’s water level

  • The current water level at Hebgen Lake is 6,529.88 ft (updated 4 hours ago). You can track the Hebgen Lake lake level on the interactive chart and daily history above.

  • Over the past seven days the Hebgen Lake lake level has held relatively steady — the current 7-day trend is Stable. The history chart above shows the full trend.

  • Readings refresh when U.S. Geological Survey (USGS) publishes new gauge data — typically daily for most reservoirs. The timestamp above the chart shows when the latest observation arrived on Lake Insights.

Lake level glossary

Definitions for pool targets, datums, and how elevation readings are labeled.

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