Lake Cascade

Name: Lake Cascade (Idaho) water level
Creator: U.S. Bureau of Reclamation

Idaho · Reclamation gauge

Grey bar: 12-month range 4,815.4–4,827.4 ft.

Water level · NGVD29

4,815.52FT

Storage 361,249 acre-feet

The source publishes no % full figure.

7 days +0.06 ft30 days −0.05 ft

Reading for Oct 24, 2026 · page refreshed Oct 25, 21:11 UTC
Source: U.S. Bureau of Reclamation (RISE)

Worth going today?This Afternoon

Looks good

Light wind, dry

Wind2 mph

Rain1%

Temp56°F

Level4,815.5 ft

This AfternoonMostly Sunny · 56°F
SE 2 mph · rain 1%

TonightMostly Cloudy then Widespread Frost · 30°F
SSE 2 mph · rain 12%

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

30 days1 year

Field notes

As of Oct 24, 2026, Lake Cascade stood at 4,815.52 (NGVD29) ft.

Reclamation reports storage of 361,249 acre-feet for the same day.

Over the past 7 days the lake has been rising (+0.06 ft), and it is −0.05 ft over 30 days.

Readings come from the Bureau of Reclamation's daily reservoir data for Lake Cascade and Cascade Dam (CSC).

Lake facts

Storage (latest)	361,249 acre-feet
Gauge / station	Lake Cascade and Cascade Dam (CSC)
Elevation datum	ft (NGVD29)
Gauge location	44.5250, -116.0503

Nearby lakes

Deadwood Reservoir26 mi SE5,304.01 ft+0.43 ft Payette Lake27 mi N1.35 ft−0.26 ft Mann Creek Reservoir43 mi W2,825.97 ft+0.25 ft Black Canyon Reservoir45 mi SW2,487.94 ft−3.43 ft Arrowrock Reservoir65 mi S3,134.61 ft+3.69 ft

Common questions

Is Lake Cascade rising or falling?

Over the last 7 days it changed +0.06 ft and over 30 days −0.05 ft.

How full is Lake Cascade?

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. 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.