Major Flood
7.5 ft
Current Water Level
Gage Height
Loading...
Streamflow
Loading...
Last Reading
Loading...
FLOOD STAGES
Know the flood categories.
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
Moderate Flood
7 ft
Minor Flood
6.5 ft
Action Stage
6 ft
What Floods at Each Level
4.5 ft
Fox Waterway Agency considers "no wake" order for the Fox River from Stratton Dam to Pistakee Lake.
Impact statements from the National Weather Service, describing what typically happens at each water level.
7-Day Water Level Chart
Loading chart data...
Historic Crests
| Date | Stage | Flow |
|---|---|---|
| Jul 3, 1938 | 8.9 ft | — |
| Apr 5, 1960 | 7.55 ft | — |
| Apr 21, 2013 | 7.47 ft | — |
About This Gauge
Get Flood Alerts for Fox River
StormCast monitors this gauge and sends a push notification to your phone when the water level crosses into a new flood category — even at 3 AM.
Frequently Asked Questions
What is the current water level of Fox River near Johnsburg?
The Fox River near Johnsburg gauge is maintained by USGS (site 05548500) and reports water levels every 15 minutes. Visit this page to see the latest reading updated live, or download StormCast to get push alerts when levels rise.
What is flood stage for Fox River near Johnsburg?
The NWS-defined flood stage for Fox River near Johnsburg is 6.5 feet. Action stage begins at 6 feet. Moderate flooding starts at 7 feet, and major flooding at 7.5 feet.
How do I get alerts when Fox River rises?
Download StormCast free on Google Play, go to River Gauges, and add Fox River near Johnsburg to your watchlist. StormCast will send a push notification to your phone whenever the water level crosses into a new NWS flood category.
Where is the Fox River near Johnsburg gauge located?
The gauge is located in McHenry County, Illinois at coordinates 42.3761°N, 88.2364°W. USGS site number: 05548500. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Gauges on Fox River
On This River
Upstream: Fox River at Lake Villa
Downstream: Fox River at McHenry (Stratton Lock and Dam) tailwater
More Resources
Source & Notes
Data provided by: US Geological Survey, Observations courtesy of U.S. Geological Survey