Wister Lake lake and shoreline

Wister Lake Water Level

Officially Wister Lake (Poteau River)

Oklahoma

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Wister Lake

Wister Lake is currently 2.8 feet below full pool, with a water-surface elevation of 475.3 feet.

475.25 ft · Updated 3 hours ago · U.S. Army Corps of Engineers (Tulsa District)

Current level

475.25ft

−2.75 ft vs full pool

Normal

Vs full pool

Since last reading

Down 0.04 ft

Previous readingOct 4475.31 ft

7-day change

Down 0.08 ft

7-day trend: Falling

8 daily readings in the last 7 days

30-day change

Down 1.16 ft

31 daily readings in the last 30 days

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Water Level History

Current
475.25 ft
24h
-0.04 ft
7d
-0.08 ft
30d
-1.16 ft

Elevation (ft) NGVD29 · MSL

Reference line is designed full pool.

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Lake Level Context

Level remains below the full pool

Wister Lake is currently 475.25 ft, 2.75 ft below its full pool. The lake has fallen 0.08 ft over the past 7 days and 1.16 ft over the past 30 days.

Wister Lake Level Details

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

Conditions & Reference

Level status

2.75 ft below full pool

Current level
475.25 ft
Full pool
478 ft
DatumElevation referenced to National Geodetic Vertical Datum of 1929.
NGVD29
Elevation reference
MSL
Source
U.S. Army Corps of Engineers (Tulsa District)

Reference levels

  • Full pool478 ft
  • Flood stage503 ft

Watershed drought

Extreme Drought

100% of watershed in official drought (D1+).

Severity

NoneExtreme
Trend
Worsening

Watershed drought conditions

Le Flore County, OK

Extreme Drought

Extreme Drought. Extreme drought conditions are present.. Trend: Worsening compared with last week. Official drought yes

Severity

NoneExtreme

Weekly trend

Worsening

Compared with last week

Official drought

Yes

100% of the watershed is currently classified as official drought (D1+).

Expected impacts

  • Significantly reduced stream inflows
  • Lake levels may fall quickly without heavy rain
  • Dry vegetation and elevated wildfire risk
  • Water use restrictions may apply nearby

U.S. Drought Monitor · map date Sep 29, 2026. Updated weekly. droughtmonitor.unl.eduView drought map for Le Flore County, OK

Daily level summary

DateLevelChange
Oct 5, 2026475.27-0.04
Oct 4, 2026475.31-0.04
Oct 3, 2026475.35-0.03
Oct 2, 2026475.38-0.02
Oct 1, 2026475.4+0.16
Sep 30, 2026475.24-0.08
Sep 29, 2026475.32-0.03

Common questions about Wister Lake’s water level

  • The current water level at Wister Lake is 475.25 ft (updated 3 hours ago). You can track the Wister Lake lake level on the interactive chart and daily history above.

  • Full pool for Wister Lake is 478 ft — the normal conservation target elevation when the reservoir is at its designed summer or operating pool.

  • The current 7-day trend for the Wister Lake lake level is falling — falling about 0.08 ft over the past week. See the history chart above for the full picture.

  • Based on the latest gauge reading, Wister Lake is currently 2.75 ft below full pool.

Lake level glossary

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

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