Glendo Reservoir water level
Reservoir, Wyoming, United States
Right now
Normal for mid-October
Surface elevation
- Water stored
- 159,393 acre‑ft
History
202120222023202420252026
What this means
Nothing unusual at Glendo Reservoir right now: the lake level of 4,596.29 ft is in the normal range for mid-October.
The median for mid-October is 4,592.76 ft, based on 36 years of readings, so the lake level is 3.53 ft above typical. On the same day last year the reading was 4,592.83 ft, a difference of +3.46 ft.
The water is rising: up 1.27 ft over the past week. Over the past 30 days it has moved between 4,591.22 ft and 4,596.29 ft.
Many reservoirs are drawn down through summer and fall; most of the refill comes later, with winter rain or spring snowmelt.
Compared with 36 years of daily readings for this time of year. How to read levels
Key numbers
- Median for this date
- 4,592.76 ft3.53 ft above the median for this date
- Normal for this date
- 4,585.55 ft – 4,603.09 ft8 years in 10 fall in this range (36 years of records)
- Same day last year
- 4,592.83 ft+3.46 ft
- Lowest and highest in 30 days
- 4,591.22 ft – 4,596.29 ft
- Lowest and highest in 12 months
- 4,587.79 ft – 4,626.68 ft
Swimming and boating at Glendo Reservoir
At a normal level, ramps and marinas generally run as usual, and fishing tends to follow the season more than the water level.
If you swim, pick a spot with an easy way out, and remember that drop-offs move as the level changes.
Weather at the gauge
Rain in the last 3 days: 0.12 in.
Forecast: Open-Meteo
Map
Nearby gauges
| Gauge | Level | Compared with normal | 24 hours | Distance |
|---|---|---|---|---|
| North Platte River at OrinRiver gauge, North Platte River | 3.41 ft | Below flood stage | −0.02 ft | 16 mi |
| Guernsey ReservoirReservoir | 4,396.23 ft | Normal | 16 mi | |
| North Platte River below Whalen Diversion DamRiver gauge, North Platte River | 13.2 cfs | Low | −1.7 cfs | 23 mi |
| Laramie River near Fort LaramieRiver gauge, Laramie River | 2.06 ft | Below flood stage | −0.01 ft | 28 mi |
Questions and answers
Is Glendo Reservoir higher than last year?
Yes, it is 3.46 ft higher than on the same day last year, when the reading was 4,592.83 ft.
What is a normal level for Glendo Reservoir in mid-October?
The median for mid-October is 4,592.76 ft. In 8 years out of 10 the reading falls between 4,585.55 ft and 4,603.09 ft, based on 36 years of records.
Is Glendo Reservoir really 4,596.29 ft deep?
No. 4,596.29 ft is the height of the water surface above sea level (or the agency's vertical datum), not the depth of the water.
What is the water level of Glendo Reservoir today?
On Oct 16, 2026, the surface elevation was 4,596.29 ft. Up 1.27 ft over the last 7 days.
Is Glendo Reservoir rising or falling?
Up 1.27 ft over the last 7 days.
Is the level of Glendo Reservoir normal?
Normal for mid-October. Compared with 36 years of daily readings for this time of year.
How often is this data updated?
The U.S. Bureau of Reclamation publishes a new reading once a day. This page refreshes within minutes of each update.
For specialists
Station codes, datum, parameters, data quality and downloads
- Operator
- U.S. Bureau of Reclamation
- Station code
usbr:345(Agency page)- Coordinates
42.47720, -104.95060(WGS84)- Update interval
- once a day
- Licence
- Public domain. Data: U.S. Bureau of Reclamation (RISE), provisional data subject to revision
Published series
| Parameter | Last value | Time (UTC) | Quality |
|---|---|---|---|
| Surface elevation | 4,596.29 ft | 2026-10-16 06:00 | Provisional |
| Water stored | 159,393 acre‑ft | 2026-10-16 06:00 | Provisional |
Download
Embed this gauge
Add a live card for this gauge to your website. It updates on its own and links back here.
How to cite
U.S. Bureau of Reclamation: Glendo Reservoir (usbr:345). Accessed October 18, 2026 via Nivelmap, https://nivelmap.com/en/united-states/wyoming/glendo-reservoir
How we check values
Each reading is stored as published. We hold back values that jump faster than physically plausible and show the measurement time with every value.
Readings are provisional, can be delayed or wrong and are not a flood warning. Read the disclaimer