Lake Okoboji Water Level History
Thirty-day lake-level chart, recent highs and lows, net change and daily summaries from the matched USGS station.
Lake Okoboji water-level chart
Source: U.S. Geological Survey monitoring station ↗. Recent measurements may be provisional.
What has Lake Okoboji been doing?
Across the available 30-day series, Lake Okoboji is rising overall. The measured range runs from 4 ft to 4.32 ft, with a net change of +0.19 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 | 4.20 ft | 4.21 ft | 4.23 ft |
| Oct 6 | 4.20 ft | 4.22 ft | 4.24 ft |
| Oct 5 | 4.21 ft | 4.23 ft | 4.25 ft |
| Oct 4 | 4.23 ft | 4.24 ft | 4.25 ft |
| Oct 3 | 4.22 ft | 4.25 ft | 4.27 ft |
| Oct 2 | 4.26 ft | 4.27 ft | 4.29 ft |
| Oct 1 | 4.28 ft | 4.30 ft | 4.32 ft |
| Sep 30 | 4.29 ft | 4.30 ft | 4.31 ft |
| Sep 29 | 4.29 ft | 4.30 ft | 4.31 ft |
| Sep 28 | 4.29 ft | 4.30 ft | 4.31 ft |
| Sep 27 | 4.29 ft | 4.30 ft | 4.31 ft |
| Sep 26 | 4.23 ft | 4.28 ft | 4.31 ft |
| Sep 25 | 4.23 ft | 4.23 ft | 4.24 ft |
| Sep 24 | 4.21 ft | 4.22 ft | 4.24 ft |
| Sep 23 | 4.21 ft | 4.22 ft | 4.23 ft |
| Sep 22 | 4.23 ft | 4.24 ft | 4.24 ft |
| Sep 21 | 4.16 ft | 4.21 ft | 4.24 ft |
| Sep 20 | 4.16 ft | 4.16 ft | 4.17 ft |
| Sep 19 | 4.15 ft | 4.16 ft | 4.18 ft |
| Sep 18 | 4.08 ft | 4.15 ft | 4.18 ft |
| Sep 17 | 4.08 ft | 4.10 ft | 4.12 ft |
| Sep 16 | 4.09 ft | 4.10 ft | 4.12 ft |
| Sep 15 | 4.11 ft | 4.11 ft | 4.12 ft |
| Sep 14 | 4.07 ft | 4.09 ft | 4.12 ft |
| Sep 13 | 4.07 ft | 4.08 ft | 4.10 ft |
| Sep 12 | 4.09 ft | 4.10 ft | 4.12 ft |
| Sep 11 | 4.10 ft | 4.12 ft | 4.14 ft |
| Sep 10 | 4.14 ft | 4.15 ft | 4.16 ft |
| Sep 9 | 4.15 ft | 4.16 ft | 4.17 ft |
| Sep 8 | 4.00 ft | 4.14 ft | 4.18 ft |
Lake Okoboji level-history FAQ
How has Lake Okoboji water level changed over the last 30 days?
Across the available 30-day sensor series, the net change is +0.19 ft and the overall direction is rising.
What was the highest Lake Okoboji level in the last 30 days?
The highest reading in the available 30-day series is 4.32 ft.
What was the lowest Lake Okoboji level in the last 30 days?
The lowest reading in the available 30-day series is 4 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.