Hungry Horse Reservoir Water Level History
Thirty-day lake-level chart, recent highs and lows, net change and daily summaries from the matched USGS station.
Hungry Horse Reservoir water-level chart
Source: U.S. Geological Survey monitoring station ↗. Recent measurements may be provisional.
What has Hungry Horse Reservoir been doing?
Across the available 30-day series, Hungry Horse Reservoir is falling overall. The measured range runs from 3,543.35 ft to 3,548.69 ft, with a net change of -5.26 ft.
Lake levels can respond to rainfall, watershed inflow, dam and hydropower operations, seasonal target elevations, evaporation and downstream release requirements. This page reports what the matched sensor measured; it does not infer why an operator changed a reservoir.
Recent daily levels
| Date | Low | Average | High |
|---|---|---|---|
| Oct 7 | 3543.35 ft | 3543.40 ft | 3543.44 ft |
| Oct 6 | 3543.41 ft | 3543.50 ft | 3543.60 ft |
| Oct 5 | 3543.58 ft | 3543.69 ft | 3543.80 ft |
| Oct 4 | 3543.79 ft | 3543.88 ft | 3544.00 ft |
| Oct 3 | 3543.98 ft | 3544.10 ft | 3544.23 ft |
| Oct 2 | 3544.22 ft | 3544.32 ft | 3544.41 ft |
| Oct 1 | 3544.40 ft | 3544.52 ft | 3544.64 ft |
| Sep 30 | 3544.62 ft | 3544.73 ft | 3544.83 ft |
| Sep 29 | 3544.78 ft | 3544.89 ft | 3545.01 ft |
| Sep 28 | 3544.97 ft | 3545.11 ft | 3545.21 ft |
| Sep 27 | 3545.21 ft | 3545.32 ft | 3545.43 ft |
| Sep 26 | 3545.42 ft | 3545.54 ft | 3545.66 ft |
| Sep 25 | 3545.64 ft | 3545.75 ft | 3545.85 ft |
| Sep 24 | 3545.84 ft | 3545.93 ft | 3546.05 ft |
| Sep 23 | 3546.03 ft | 3546.15 ft | 3546.25 ft |
| Sep 22 | 3546.25 ft | 3546.33 ft | 3546.43 ft |
| Sep 21 | 3546.42 ft | 3546.52 ft | 3546.64 ft |
| Sep 20 | 3546.62 ft | 3546.72 ft | 3546.81 ft |
| Sep 19 | 3546.81 ft | 3546.89 ft | 3546.98 ft |
| Sep 18 | 3546.97 ft | 3547.07 ft | 3547.17 ft |
| Sep 17 | 3547.16 ft | 3547.25 ft | 3547.33 ft |
| Sep 16 | 3547.33 ft | 3547.41 ft | 3547.49 ft |
| Sep 15 | 3547.47 ft | 3547.58 ft | 3547.70 ft |
| Sep 14 | 3547.66 ft | 3547.75 ft | 3547.83 ft |
| Sep 13 | 3547.79 ft | 3547.89 ft | 3547.96 ft |
| Sep 12 | 3547.96 ft | 3548.04 ft | 3548.13 ft |
| Sep 11 | 3548.12 ft | 3548.21 ft | 3548.31 ft |
| Sep 10 | 3548.26 ft | 3548.34 ft | 3548.42 ft |
| Sep 9 | 3548.42 ft | 3548.49 ft | 3548.57 ft |
| Sep 8 | 3548.54 ft | 3548.60 ft | 3548.64 ft |
Hungry Horse Reservoir level-history FAQ
How has Hungry Horse Reservoir water level changed over the last 30 days?
Across the available 30-day sensor series, the net change is -5.26 ft and the overall direction is falling.
What was the highest Hungry Horse Reservoir level in the last 30 days?
The highest reading in the available 30-day series is 3,548.69 ft.
What was the lowest Hungry Horse Reservoir level in the last 30 days?
The lowest reading in the available 30-day series is 3,543.35 ft.
Are historical USGS lake readings final?
Not always. Recent readings may be marked provisional and can be revised by the source agency after quality review.