Gray Reef Reservoir

Name: Gray Reef Reservoir (Wyoming) water level
Creator: U.S. Bureau of Reclamation

Wyoming · Reclamation gauge

Grey bar: 12-month range 5,315.6–5,332.0 ft.

Water level · Unknown

5,330.06FT

Storage 1,470 acre-feet

The source publishes no % full figure.

7 days +0.23 ft30 days −0.28 ftvs last year −0.29 ft

Reading for Oct 23, 2026 · page refreshed Oct 25, 21:16 UTC
Source: U.S. Bureau of Reclamation (RISE)

Worth going today?This Afternoon

Fair – check conditions

Wind up to 12 mph, dry

Wind6 to 12 mph

Rain7%

Temp54°F

Level5,330.1 ft

This AfternoonMostly Sunny · 54°F
NNE 6 to 12 mph · rain 7%

TonightScattered Rain Showers then Scattered Rain And Snow Showers · 34°F
N 3 to 10 mph · rain 36%

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.

Level history

30 days1 year

Field notes

As of Oct 23, 2026, Gray Reef Reservoir stood at 5,330.06 (Unknown) ft.

Reclamation reports storage of 1,470 acre-feet for the same day.

Over the past 7 days the lake has been rising (+0.23 ft), and it is −0.28 ft over 30 days.

Compared with a year ago (5,330.35 ft), the lake is 0.29 ft lower.

Readings come from the Bureau of Reclamation's daily reservoir data for Gray Reef Reservoir and Dam.

Lake facts

Storage (latest)	1,470 acre-feet
Gauge / station	Gray Reef Reservoir and Dam
Elevation datum	ft (Unknown)
Gauge location	42.5656, -106.6989

Nearby lakes

Alcova Reservoir2 mi SW5,491.49 ft−2.05 ft Pathfinder Reservoir10 mi SW5,784.56 ft+0.89 ft Kortes Reservoir29 mi S6,141.81 ft−0.05 ft Seminoe Reservoir30 mi S6,292.19 ft−0.57 ft Glendo Reservoir89 mi E4,597.49 ft+1.08 ft

Common questions

Is Gray Reef Reservoir rising or falling?

Over the last 7 days it changed +0.23 ft and over 30 days −0.28 ft.

How full is Gray Reef Reservoir?

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

Where does the data come from?

The U.S. Bureau of Reclamation's RISE data portal (data.usbr.gov). Forecasts come from the National Weather Service.

Daily values published by the Bureau of Reclamation. Reclamation data are provisional and subject to revision unless otherwise noted. This page is not affiliated with or endorsed by the Bureau of Reclamation. See data sources.