Flathead Lake lake and shoreline

Flathead Lake Water Level

Montana

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Flathead Lake is currently at a water-surface elevation of 2893.1 feet.

2893.13 ft · Updated 1 hour ago · U.S. Geological Survey (USGS)

Current level

2,893.13ft

Status unavailable

A verified operating range is not available for this lake.

Since last reading

Up 0.04 ft

Previous readingSep 92,893.05 ft

7-day change

Up 0.12 ft

7-day trend: Rising

4 daily readings in the last 7 days

30-day change

Up 0.12 ft

4 daily readings in the last 30 days

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Water Level History

Elevation (ft) Water-surface elevation (ft)

2893 ft2893 ft2893 ftSep 8Sep 11

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.

Watershed drought

No Drought

8% of watershed in official drought (D1+).

Severity

NoneExtreme
Trend
Improving

Watershed drought conditions

Lake County, MT

No Drought

No Drought. No official drought conditions.. Trend: Improving compared with last week. Official drought yes

Severity

NoneExtreme

Weekly trend

Improving

Compared with last week

Official drought

Yes

8% of the watershed is currently classified as official drought (D1+).

U.S. Drought Monitor · map date Sep 8, 2026. Updated weekly. droughtmonitor.unl.eduView drought map for Lake County, MT

Daily level summary

  • Sep 10, 2026

    2,893.09 ft

    +0.04 ft

  • Sep 9, 2026

    2,893.05 ft

    +0.02 ft

  • Sep 8, 2026

    2,893.03 ft

    +0.06 ft

  • Sep 7, 2026

    2,892.97 ft

    —

Common questions about Flathead Lake’s water level

  • The current water level at Flathead Lake is 2,893.13 ft (updated 1 hour ago). You can track the Flathead Lake lake level on the interactive chart and daily history above.

  • The current 7-day trend for the Flathead Lake lake level is rising — rising about 0.12 ft over the past week. See the history chart above for the full picture.

  • 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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