Glendo Reservoir Water Level Today
Daily level, distance to full pool and history for Glendo Reservoir, on the North Platte River in Wyoming.
Updated · Source: Bureau of ReclamationReclamation
Water level
4,599.83ft
- 35.17 ftbelow full pool (4,635.0 ft)
- +0.13 ftin 24 h+1.28 ft in 7 days+4.93 ft in 30 days
- Full pool
- 1 yr ago
Is Glendo Reservoir full?
No. Glendo Reservoir is 35.17 ft below full pool (4,635.0 ft). It is 2.62 ft higher than a year ago (4,597.21 ft on Nov 7, 2025).
Glendo Reservoir level history
View data table
| Date | Level (ft) | % full |
|---|---|---|
| Nov 7, 2026 | 4,599.83 | — |
| Nov 6, 2026 | 4,599.70 | — |
| Nov 5, 2026 | 4,599.54 | — |
| Nov 4, 2026 | 4,599.37 | — |
| Nov 3, 2026 | 4,599.14 | — |
| Nov 2, 2026 | 4,598.97 | — |
| Nov 1, 2026 | 4,598.72 | — |
| Oct 31, 2026 | 4,598.55 | — |
| Oct 30, 2026 | 4,598.40 | — |
| Oct 29, 2026 | 4,598.22 | — |
| Oct 28, 2026 | 4,598.08 | — |
| Oct 27, 2026 | 4,597.95 | — |
| Oct 26, 2026 | 4,597.81 | — |
| Oct 25, 2026 | 4,597.64 | — |
| Oct 24, 2026 | 4,597.49 | — |
| Oct 23, 2026 | 4,597.35 | — |
| Oct 22, 2026 | 4,597.18 | — |
| Oct 21, 2026 | 4,597.05 | — |
| Oct 20, 2026 | 4,596.91 | — |
| Oct 19, 2026 | 4,596.73 | — |
| Oct 18, 2026 | 4,596.60 | — |
| Oct 17, 2026 | 4,596.41 | — |
| Oct 16, 2026 | 4,596.30 | — |
| Oct 15, 2026 | 4,596.17 | — |
| Oct 14, 2026 | 4,595.88 | — |
| Oct 13, 2026 | 4,595.69 | — |
| Oct 12, 2026 | 4,595.46 | — |
| Oct 11, 2026 | 4,595.31 | — |
| Oct 10, 2026 | 4,595.14 | — |
| Oct 9, 2026 | 4,595.02 | — |
| Oct 8, 2026 | 4,594.90 | — |
Full pool 4,635.0 ftLow 4,587.79 ft · Aug 20High 4,626.68 ft · Jun 9
View data table
| Month | Low (ft) | High (ft) |
|---|---|---|
| Nov 2026 | 4,598.72 | 4,599.83 |
| Oct 2026 | 4,593.63 | 4,598.55 |
| Sep 2026 | 4,588.22 | 4,593.44 |
| Aug 2026 | 4,587.79 | 4,599.03 |
| Jul 2026 | 4,603.15 | 4,621.15 |
| Jun 2026 | 4,622.13 | 4,626.68 |
| May 2026 | 4,623.76 | 4,626.26 |
| Apr 2026 | 4,620.84 | 4,623.69 |
| Mar 2026 | 4,615.98 | 4,620.59 |
| Feb 2026 | 4,611.55 | 4,615.55 |
| Jan 2026 | 4,607.20 | 4,610.91 |
| Dec 2025 | 4,601.79 | 4,606.71 |
| Nov 2025 | 4,597.21 | 4,601.34 |
Full pool 4,635.0 ft
View data table
| Year | Low (ft) | High (ft) |
|---|---|---|
| 2026 | 4,587.79 | 4,626.68 |
| 2025 | 4,583.09 | 4,634.05 |
| 2024 | 4,582.22 | 4,628.58 |
| 2023 | 4,588.19 | 4,635.48 |
| 2022 | 4,584.35 | 4,631.14 |
| 2021 | 4,587.19 | 4,634.31 |
| 2020 | 4,587.99 | 4,630.04 |
| 2019 | 4,597.69 | 4,637.35 |
| 2018 | 4,592.23 | 4,632.44 |
| 2017 | 4,580.00 | 4,634.46 |
| 2016 | 4,602.77 | 4,610.01 |
Full pool 4,635.0 ftRecord high 4,650.94 ft · May 28, 1973Record low 4,548.10 ft · Sep 28, 1966
View data table
| Decade | Low (ft) | High (ft) |
|---|---|---|
| 2020s | 4,582.22 | 4,634.46 |
| 2010s | 4,580.00 | 4,648.80 |
| 2000s | 4,572.05 | 4,638.19 |
| 1990s | 4,570.84 | 4,641.62 |
| 1980s | 4,569.10 | 4,649.36 |
| 1970s | 4,560.48 | 4,650.90 |
| 1960s | 4,548.46 | 4,638.89 |
| 1950s | 4,517.00 | 4,638.19 |
- Glendo Reservoir level
- Full pool 4,635.0 ft
- Above full pool
Glendo Reservoir on Nov 7 in past years
Lake facts
- Record high since 1959
- 4,650.94 ftMay 28, 1973
- Record low since 1959
- 4,548.10 ftSep 28, 1966
- Data since
- Oct 17, 1957
- Dam
- Glendo Damcompleted 1958
- River
- North Platte River
- Owned by
- Bureau of Reclamation
- Dam location
- Platte County
- Gauge location
- 42.4772, −104.9506
Dam, river and owner from the National Inventory of Dams (USACE). Records start in 1959, after the first filling of the reservoir.
Weather on the lake
- This Afternoon65°FHighLow 45°FSW 5 mphSunny
- Tonight45°FLowW 5 mphMostly Clear
- Monday62°FHighLow 42°FN 5 mphSunny
- Tuesday63°FHighLow 39°FWNW 5–25 mphMostly Sunny
- Wednesday59°FHighLow 40°FNNW 0–10 mphSunny
- Thursday62°FHighLow 40°FCalmSunny
- Friday64°FHighLow 42°FWSW 0–5 mphSunny
Forecast: National Weather Service for the dam area (42.48, −104.95). Wind speeds are forecasts, not measurements.
Quick answers
What is the full pool level of Glendo Reservoir?
4,635.0 ft above mean sea level, the top of its conservation pool. Above it, water is released or flows over the spillway of Glendo Dam.
How much does Glendo Reservoir need to be full?
Glendo Reservoir needs 35.17 ft more water to reach full pool (4,635.0 ft), as of Nov 7, 2026.
Is Glendo Reservoir rising or falling?
It is rising: +1.28 ft in the last 7 days and +0.13 ft in 24 hours, to 4,599.83 ft on Nov 7, 2026 (Bureau of Reclamation).
When was Glendo Reservoir last full?
It was last at or above full pool (4,635.0 ft) on Jul 1, 2023. On Nov 7, 2026 it was 35.17 ft below.
What was the highest level ever recorded?
Glendo Reservoir reached 4,650.94 ft on May 28, 1973. The lowest was 4,548.10 ft on Sep 28, 1966 (Reclamation data since 1959).
How much has Glendo Reservoir changed in the last year?
In the last 12 months it ranged from 4,587.79 ft (Aug 20, 2026) to 4,626.68 ft (Jun 9, 2026), a swing of 38.89 ft.
How often is this page updated?
This page is updated every day with the daily reading of the Bureau of Reclamation, which is usually published one or two days later. The last reading is from Nov 7, 2026.
Where this data comes from
Daily elevation from the Bureau of Reclamation (data.usbr.gov). Updated once a day. Weather from the National Weather Service. Dam details from the National Inventory of Dams.
Lake Levels Daily is an independent site, not affiliated with TWDB, LCRA, USACE, USGS, NOAA, TVA or any lake operator. Check official sources before making safety decisions.