Jackson Lake Water Level

Wyoming · updated daily from the U.S. Bureau of Reclamation

6748.67 ft

Jackson Lake is low for this time of year and falling (-2.71 ft in the last 7 days).

Change since yesterday: -0.38 ft

Reading as of 2026-08-14 · higher than 18% of August readings on record

Where Jackson Lake sits historically

TODAY 6748.67 ftRECORD LOW6737.8 ft2022-09-30RECORD HIGH6768.92 ft2024-06-17

Today's level compared with every reading in our 4.5-year record for this lake.

Since yesterday

-0.38 ft

7-day change

-2.71 ft

30-day change

-10.55 ft

1-year change

-14.73 ft

Last 30 days

2026-07-156747.4–6760.5 ft2026-08-14

Last 12 months

2025-08-146746.4–6770.2 ft2026-08-14

Full history (4.5 years)

2022-02-236734.1–6772.7 ft2026-08-13

Jackson Lake records and averages

Current level6748.67 ft
Record high6768.92 ft (2024-06-17)
Record low6737.8 ft (2022-09-30)
Average of all readings6756.84 ft
Data span4.5 years (2,000 readings)

Frequently asked questions

Is Jackson Lake full right now?

As of 2026-08-14, Jackson Lake sits at 6748.67 ft, which is low for this time of year.Over the past 30 days the level has fallen 10.55 ft.

What is the water level at Jackson Lake today?

The most recent reading is 6748.67 ft (2026-08-14), sourced from the U.S. Bureau of Reclamation. Readings on this page refresh automatically as the agency publishes new data.

What is the highest Jackson Lake has ever been?

The highest level in our records is 6768.92 ft on 2024-06-17. The lowest is 6737.8 ft on 2022-09-30. Our record covers about 4.5 years of readings.

Is Jackson Lake low for this time of year?

Compared with every August in our records, the current level is higher than 18% of them — low for this time of year. Seasonal comparison matters more than the raw number, because most reservoirs draw down predictably through late summer and refill over winter and spring.

Why is Jackson Lake low right now?

Reservoir levels move for four main reasons: rainfall and runoff into the basin, releases through the dam for downstream water supply, power generation or flood control, evaporation during hot months, and seasonal drawdown schedules set by the operating agency. Jackson Lake has fallen 10.55 ft over the past 30 days. For the operational reason on any given week, check the U.S. Bureau of Reclamation directly.

How much has Jackson Lake changed over the past year?

The level is -14.73 ft compared with this date last year (6748.67 ft today). The full-history chart above covers 4.5 years, with a record high of 6768.92 ft and a record low of 6737.8 ft.

Nearby lakes in Wyoming

Grassy Lake water level
7180.69 ft · rising
Buffalo Bill Reservoir water level
5381.16 ft · falling
Bull Lake Reservoir water level
5791.47 ft · falling
Anchor Reservoir water level
6368.2 ft · rising
Fontenelle Reservoir water level
6500.34 ft · steady
Pilot Butte Reservoir water level
5451.39 ft · falling

Source: the U.S. Bureau of Reclamation. Readings are provisional and subject to revision by the publishing agency. All Wyoming lake levels.