States

Glendo Reservoir

Wyoming · Reclamation gauge
4,5904,6004,6104,6204,630
Grey bar: 12-month range 4,587.8–4,626.7 ft.
Water level · NGVD29
4,597.49FT
Storage 166,414 acre-feet
The source publishes no % full figure.
7 days +1.08 ft30 days +5.18 ft
Reading for Oct 24, 2026 · page refreshed Oct 25, 20:24 UTC
Source: U.S. Bureau of Reclamation (RISE)
Worth going today?This Afternoon
Looks good
Light wind, dry
Wind10 mph
Rain0%
Temp46°F
Level4,597.5 ft
This AfternoonPartly Sunny · 46°F
ESE 10 mph · rain 0%
TonightChance Rain Showers · 42°F
ESE 5 to 10 mph · rain 50%
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

4,5924,5944,5964,598ftSep 24Oct 2Oct 9Oct 16Oct 24
4,5924,5944,5964,598ftSep 24Oct 9Oct 24
4,5904,6004,6104,6204,630ftDec 2025Mar 2026May 2026Aug 2026Oct 2026
4,5904,6004,6104,6204,630ftDec 2025May 2026Oct 2026

Field notes

On Oct 24, 2026, Glendo Reservoir was at 4,597.49 (NGVD29) ft.

Reclamation reports storage of 166,414 acre-feet for the same day.

Over the past 7 days the lake has been rising (+1.08 ft), and it is +5.18 ft over 30 days.

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

Lake facts

Storage (latest)166,414 acre-feet
Gauge / stationGlendo Reservoir Dam and Powerplant
Elevation datumft (NGVD29)
Gauge location42.4772, -104.9506

Nearby lakes

Guernsey Reservoir16 mi SE4,396.81 ft+0.49 ftLake Alice75 mi SE · NE4,159.00 ft±0.00 ftLittle Lake Alice Reservoir79 mi SE · NE4,130.99 ft−0.01 ftWinters Creek Lake81 mi SE · NE4,118.90 ft−0.01 ftLake Minatare84 mi SE · NE4,097.58 ft+0.01 ft

Common questions

Is Glendo Reservoir rising or falling?

Over the last 7 days it changed +1.08 ft and over 30 days +5.18 ft.

How full is Glendo 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; provisional and subject to revision. 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.