Rock River at Jefferson, WI
Is Rock River at Jefferson, WI flooding right now?
Rock River at Jefferson, WI measured 4.24 ft on 2026-09-11 01:00:00 UTC. That observation was 5.8 ft below its 10 ft flood stage. This is the latest available reading, not a guarantee of current conditions.
Gauge height
4.24 ft
Streamflow
1,140 cfs
Minor flooding here begins at 10 ft, with major flooding at 13 ft. The highest crest on record was 15.64 ft on Thu, Jun 19, 2008.
Streamflow outlook
Flood stages at this gauge
| Category | Stage | Current distance |
|---|---|---|
| Action | 8 ft | 3.8 ft below |
| Minor flood | 10 ft | 5.8 ft below |
| Moderate flood | 11 ft | 6.8 ft below |
| Major flood | 13 ft | 8.8 ft below |
Highest crests on record
| Stage | Date |
|---|---|
| 15.64 ft | 2008-06-19 |
| 12.84 ft | 1979-04-02 |
| 12.31 ft | 2013-04-20 |
| 12.29 ft | 1993-04-22 |
| 11.72 ft | 2018-09-08 |
Last 7 days
Nearby gauges
| Gauge | Distance | County |
|---|---|---|
| Rock River at Fort Atkinson, WI | 4.9 mi | Jefferson County |
| Bark River near Rome, WI | 7.3 mi | Jefferson County |
| Crawfish River at Milford, WI | 7.5 mi | Jefferson County |
| Rock River at Watertown, WI | 13.9 mi | Jefferson County |
| Rock River at Newville, WI | 15.8 mi | Rock County |
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Provisional data: Real-time readings are provisional and subject to revision by the USGS — sensors can be affected by ice, debris, or equipment malfunction. Do not rely on this site for decisions involving personal safety; follow official guidance from the National Weather Service and local authorities.