River stage
Fort Atkinson, Rock River
- River level
- 11.95 ft
- Status
- Below flood stage
- 7-day change
- -0.48 ft
- Recent high
- 12.52 ft
- Recent low
- 10.98 ft
Last reported 2026-10-13 | NWS FATW3
- 30-day change
- +0.41 ft
- Average
- 11.67 ft
- Readings
- 122
- Data span
- 122 days
- Record crest
- 20.90 ft
In brief
The Rock River at Fort Atkinson, WI read 11.95 ft on Oct 13, 2026, 2.55 ft below action stage. That is 0.41 ft higher than 30 days earlier.
Source: National Weather Service gauge FATW3
River level timeline
Stage threshold profile
Highest crests on record
| Rank | Crest | Date |
|---|---|---|
| 1 | 20.90 ft | 2008-06-15 |
| 2 | 18.12 ft | 2013-04-22 |
| 3 | 17.40 ft | 2026-04-20 |
| 4 | 17.40 ft | 2018-09-11 |
| 5 | 17.33 ft | 2008-04-16 |
| 6 | 17.29 ft | 2004-06-05 |
| 7 | 17.22 ft | 2019-03-24 |
| 8 | 17.04 ft | 2018-09-07 |
Flood crests recorded at this gauge by the National Weather Service.
What happens at each level
- 14.50 ft
Water overflows the lowest river banks in Fort Atkinson flooding low lying land adjacent to the river.
- 16.00 ft
Floodwaters affect some park land and boat launches.
- 16.50 ft
In the Fort Atkinson area, the following roads are impacted: Sinnissippi Drive, Bark River Road from Kutz Road to Rock River Road and E Milwaukee Ave, and Rock River Road from Highway 106 to the Fort Atkinson city limits. Water is in park land near the river in Fort Atkinson.
- 17.00 ft
Water surrounds a few homes and business at the end of Vets Lane and Rock River Rd. Flooded roads: Sinissippi Drive, Vets Ln, Fox Hill Rd, Bark River Road from Kutz Road to Rock River Road, Rock River Rd from Milwaukee Ave E to Hwy 106, North Shore Rd, Ralph Rd. The river walkway in Fort Atkinson, Mechanic St boat launch, parking lot of Purdy St, yards along E Milwaukee Ave, yards northern end of Rock River Rd, yards on Rodgers St flood. Water backs up Bark River into Nature Park and parking lot.
- 17.50 ft
Floodwaters partially cover low spots on Highway 106 near Rock River Park. A riverside walkway near South Water Street in downtown Fort Atkinson is closed. A few homes and businesses are surrounded by water at the end of Vets lane near the intersection of Highway 106 and Blackhawk Island Road about 1 mile southwest of Fort Atkinson. North Shore Road about 1 mile southwest of Fort Atkinson is closed. Ralph Rd impacted. Floodwaters cover fields on the east side of Fort Atkinson.
- 18.50 ft
Numerous roads are flooded and closed in the Fort Atkinson area, including Rock River Road about 1 mile east of Fort Atkinson, Sinnissipi Drive, Ralph Rd, Bark River Road from Kutz Road to Rock River Road. Water surrounds some homes and businesses close to the river at the end of Vets Lane southwest of Fort Atkinson near the intersection of Highway 106 and Blackhawk Island Road.
- 20.00 ft
Numerous roads are flooded: Highway 106 and North Shore Road southwest of Fort Atkinson, Sinnissippi Dr, Fox Hill Rd, Bark River Rd from Kutz Rd to Rock River Rd, Ralph Rd, etc. Water may cover Hwy 106 east of city. Rock River Road is flooded. Water surrounds some homes and businesses near the river along Highway 106 and at the end of Vets Lane near the intersection of Highway 106 and Blackhawk Island Road. There is widespread agricultural land flooding east of Fort Atkinson along Highway 106.
Written by the local National Weather Service forecast office for this exact gauge.
Trout stocking on the Rock River
Wisconsin DNR stocked the Rock River 8 times in 2025, 31,350 fish in total. YELLOW PERCH and MUSKELLUNGE and SMALLMOUTH BASS and WALLEYE and FATHEAD MINNOW and BLACK CRAPPIE at LARGE FINGERLING and ADULT.
| Species | Fish | When |
|---|---|---|
| YELLOW PERCH | 1,500 | None |
| MUSKELLUNGE | 150 | None |
| SMALLMOUTH BASS | 1,200 | None |
| WALLEYE | 1,500 | None |
| FATHEAD MINNOW | 12,000 | None |
| BLACK CRAPPIE | 1,500 | None |
| FATHEAD MINNOW | 12,000 | None |
| BLACK CRAPPIE | 1,500 | None |
Wisconsin DNR lists a week or a month rather than a date, and counts fish as an estimate. Full Wisconsin stocking schedule →
Frequently asked questions
Is the Rock River flooding at Fort Atkinson?
No. The Rock River at Fort Atkinson is at 11.95 ft, 2.55 ft below action stage.
What is the flood stage at Fort Atkinson?
The National Weather Service sets action stage 14.5 ft, minor flooding 16 ft, moderate flooding 17 ft and major flooding 18 ft.
What is the highest the Rock River has been at Fort Atkinson?
The highest crest on record is 20.9 ft, on 2008-06-15.
Is the Rock River high or low right now at Fort Atkinson?
At 11.95 ft it is higher than 80% of readings over the last 122 days.
Stage and flood information from the NOAA National Weather Service (gauge FATW3); daily history from the U.S. Geological Survey (site 05427085). Last reading 2026-10-13. For flood safety decisions always follow official National Weather Service warnings.