Nippersink Creek at Wonder Lake
Highest listed crest 14.30 ftFlood stage 9.0 ft15 crests since 1967
The Nippersink Creek at Wonder Lake crested at major flood stage 1 time among the 15 crests the National Weather Service lists from 1967 to 2024. The highest, 14.30 ft on June 11, 1967, was major flooding, 5.30 feet above flood stage. 1 other gauge on the Nippersink Creek crested above flood stage within a week of it.
The gauge
- Highest listed crest
- 14.30 ft
- June 11, 1967
- Flood stage
- 9.0 ft
- Major flooding from 13.0 ft
- Crests at major
- 1
- 101st of 177 gauges in Illinois
- Most recent flood crest
- May 17, 2020
- 9.48 ft, minor flooding
Flood stages
The thresholds the National Weather Service uses for this gauge today, and how many listed crests reached each.
| Action stage | 8.5 | 2 | Aug 30, 2020 |
| Flood stage (minor) | 9.0 | 5 | May 17, 2020 |
| Moderate flood stage | 11.0 | 2 | Sep 13, 2019 |
| Major flood stage | 13.0 | 1 | Jun 11, 1967 |
Every listed crest
15 crests from 1967 to 2024. Filled: at or above flood stage. Hover a crest for its date and stage.
Crests at or above flood stage, by decade
- These are the crests the local National Weather Service office lists for the gauge: the highest on record and recent crests. Lesser floods between them may be missing, so counts by decade are a floor.
- Categories use today's flood stages. Levees, dams and channel changes since a crest can make old and new stages not directly comparable.
Highest crests
| 1 | Jun 11, 1967 | 14.30 | +5.30 | Major |
| 2 | Jun 13, 1999 | 11.63 | +2.63 | Moderate |
| 3 | Sep 13, 2019 | 11.16 | +2.16 | Moderate |
| 4 | Jun 13, 2000 | 10.89 | +1.89 | Minor |
| 5 | Apr 18, 2013 | 9.92 | +0.92 | Minor |
| 6 | Feb 20, 2018 | 9.67 | +0.67 | Minor |
| 7 | May 17, 2020 | 9.48 | +0.48 | Minor |
| 8 | Feb 21, 1997 | 9.20 | +0.20 | Minor |
| 9 | Jul 19, 2015 | 8.72 | −0.28 | Action |
| 10 | Aug 30, 2020 | 8.67 | −0.33 | Action |
| 11 | Apr 3, 2024 | 8.43 | −0.57 | Below flood stage |
| 12 | Jun 23, 2024 | 8.12 | −0.88 | Below flood stage |
| 13 | Feb 25, 2001 | 8.08 | −0.92 | Below flood stage |
| 14 | Jul 22, 2017 | 8.01 | −0.99 | Below flood stage |
| 15 | May 21, 1996 | 7.94 | −1.06 | Below flood stage |
The worst floods along the Nippersink Creek
For this gauge's highest crests, the other gauges on the Nippersink Creek that crested above flood stage within a week.
June 11, 1967: 14.30 ft here, major flooding
- Spring GroveIL · Jun 12, 1967 · 12.62 ft · Minor
June 13, 1999: 11.63 ft here, moderate flooding
- Spring GroveIL · Jun 15, 1999 · 13.73 ft · Moderate
September 13, 2019: 11.16 ft here, moderate flooding
- Spring GroveIL · Sep 14, 2019 · 13.84 ft · Moderate
Gauges on the Nippersink Creek
In USGS station-number order, which runs downstream within a river basin.
| Wonder Lake this gauge | IL | 14.30 ft, Jun 11, 1967 | 1 |
| Spring Grove | IL | 14.26 ft, Sep 26, 1986 | 0 |
Other gauges in McHenry County
| Mchenry | 7.48 ft, Jun 26, 2013 | 0 |
| Algonquin | 4.50 ft, Apr 1, 1916 | 12 |
| Algonquin tailwater | 14.00 ft, Jul 5, 1938 | 6 |
| McHenry (Stratton Lock and Dam) tailwater | 9.00 ft, Jul 5, 1938 | 6 |
| Johnsburg | 8.90 ft, Jul 4, 1938 | 2 |
| Marengo | 13.06 ft, Sep 4, 2018 | 0 |
| Spring Grove | 14.26 ft, Sep 26, 1986 | 0 |
McHenry County: every hazard · River floods across the country · Illinois
NOAA National Water Prediction Service, gauge WNNI2, retrieved October 30, 2026. Stages in feet on the gauge's own datum, not elevation. Crests are as the National Weather Service lists them; preliminary values may be revised.