HydroStatus

Lake Powell

July 25, 2026: 3,522.96 ft — the 2nd-lowest July 25 elevation in 63 years of record (median for this date: 3,635.5 ft).

Elevation
3,522.96 ft
−0.57 ft in 7 d
Vs. one year ago
−33.59 ft
same date last year
Vs. yesterday
−0.08 ft
24-hour change
Net flow (inflow − release)
−2,087 cfs
5,599 cfs in · 7,686 cfs out · losing ≈4,140 af/day · 2026-07-25

Where it's headed: USBR projections

3,450 3,500 3,550 202620272028 Minimum power pool (3,490 ft) Observed Maximum Probable (May 2026)Most Probable (July 2026)Minimum Probable (Jul 2026)
USBR 24-Month Study end-of-month elevation scenarios. These are three separate model runs with different hydrologic assumptions and issue dates — not a statistical range. Dashed reference line: verified minimum power pool.
MonthMaximum Probable (May 2026)Minimum Probable (Jul 2026)Most Probable (July 2026)
2026-08 3,518.563,519.293,518.98
2026-09 3,517.253,516.93,516.16
2026-10 3,519.373,514.133,514.8
2026-11 3,519.493,510.013,512.47
2026-12 3,516.893,503.653,507.68
2027-01 3,513.413,495.743,501.25
2027-02 3,511.233,488.773,496.16
2027-03 3,506.353,481.973,491.92
2027-04 3,509.043,478.533,491.75
2027-05 3,532.83,482.063,508.02
2027-06 3,555.673,488.263,524.59
2027-07 3,558.043,482.683,524.13

Projected end-of-month elevations (ft), next 12 months. Source: USBR 24-Month Study (Upper Colorado studies page); minimum/maximum-probable runs are published only some months, so their issue dates can differ from the most-probable run. A newer study supersedes these when USBR posts it.

Boat ramps

At today's elevation, the lake is above the NPS minimum usable elevation for only 1 of 13 rated launch points. Ramp-by-ramp status and margins →

Shoreline map

See the lake's actual mapped shape at every key level — from the 1983 record high to dead pool — with today's nearest extent against the full-pool outline. Explore the shoreline map →

Last five years

3,500 3,525 3,550 3,575 20222023202420252026 Full pool (3,700 ft) Minimum power pool (3,490 ft)
Daily pool elevation, USBR series 49. Dashed lines are source-verified operating elevations.

Full record, 1963–present

3,400 3,500 3,600 3,700 19641972198019881996200420122020 Full pool (3,700 ft) Minimum power pool (3,490 ft)
Monthly mean pool elevation since Glen Canyon Dam closure. Computed from USBR daily values.

Weather at the lake

Now / forecast · Page, AZ
100°F
today 102° / 80° · tmrw 103° / 79°
Open-Meteo model forecast, fetched at build
Latest observed · Page Municipal Airport
103° / 79°
high / low on 2026-07-24 · NOAA GHCN station USW00003162
Storage
5.43 maf
as of 2026-07-25
Lake surface temp · typical for July
~77°F
middle half of years: 72–80°F. Historical average (1965-2022, USGS profiles near the dam and Wahweap Bay, top 1 m) — no live surface gauge exists, so this is climatology, not a current reading.

Records

DefinitionElevation (ft)Date
full-series daily min3,394.51964-05-11
full-series daily max3,708.341983-07-14
since-2000 daily min3,519.922023-04-13
since-2000 daily max3,683.42000-06-30

Computed from the full USBR daily series; every record states its definition. The full-series minimum (3,394.5 ft, 1964) occurred during initial filling. Water-year history →