States

Willow Creek Reservoir

Montana · Reclamation gauge
4,1104,1204,1304,140
Grey bar: 12-month range 4,112.8–4,138.0 ft.
Water level · NAVD88
4,130.25FT
Storage 17,002 acre-feet
The source publishes no % full figure.
7 days +1.12 ft30 days +4.51 ft
Reading for Oct 24, 2026 · page refreshed Oct 25, 21:16 UTC
Source: U.S. Bureau of Reclamation (RISE)
Worth going today?This Afternoon
Looks good
Light wind, dry
Wind5 mph
Rain2%
Temp40°F
Level4,130.2 ft
This AfternoonMostly Cloudy · 40°F
NE 5 mph · rain 2%
TonightMostly Cloudy then Areas Of Fog · 24°F
NNE 0 to 3 mph · rain 2%
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

4,1264,1284,130ftSep 24Oct 2Oct 9Oct 16Oct 24
4,1264,1284,130ftSep 24Oct 9Oct 24
4,1204,1304,140ftDec 2025Mar 2026May 2026Aug 2026Oct 2026
4,1204,1304,140ftDec 2025May 2026Oct 2026

Field notes

On Oct 24, 2026, Willow Creek Reservoir was at 4,130.25 (NAVD88) ft.

Reclamation reports storage of 17,002 acre-feet for the same day.

Over the past 7 days the lake has been rising (+1.12 ft), and it is +4.51 ft over 30 days.

Readings come from the Bureau of Reclamation's daily reservoir data for Willow Creek Reservoir and Dam (MT).

Lake facts

Storage (latest)17,002 acre-feet
Gauge / stationWillow Creek Reservoir and Dam (MT)
Elevation datumft (NAVD88)
Gauge location47.5467, -112.4292

Nearby lakes

Pishkun Reservoir10 mi N4,349.24 ft±0.00 ftGibson Reservoir16 mi W4,611.30 ft−1.47 ftHelena Valley Reservoir68 mi S3,817.59 ft−0.13 ftCanyon Ferry Lake Dam Powerplant70 mi SE3,784.74 ft+0.21 ftFlathead Lake81 mi W2,891.62 ft−0.32 ft

Common questions

Is Willow Creek Reservoir rising or falling?

Over the last 7 days it changed +1.12 ft and over 30 days +4.51 ft.

How full is Willow Creek Reservoir?

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.