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Rock River at Afton
Critical Stages
8' - Action
9' - Flood
11.1' - Moderate
12.2' - Major
Latest Observation
Updated: 4:00 AM CST 12/8/25
Status: No Flooding
Stage: 3.95 ft
Flow: 1.43 kcfs
Forecast
Forecast not available for this location.
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 4:00 AM 12/8 | 3.95 | 1.43 |
| 3:45 AM 12/8 | 3.94 | 1.42 |
| 3:30 AM 12/8 | 3.99 | 1.46 |
| 3:15 AM 12/8 | 3.96 | 1.43 |
| 3:00 AM 12/8 | 3.93 | 1.41 |
| 2:45 AM 12/8 | 3.91 | 1.4 |
| 2:30 AM 12/8 | 3.89 | 1.38 |
| 2:15 AM 12/8 | 3.88 | 1.37 |
| 2:00 AM 12/8 | 3.87 | 1.37 |
| 1:45 AM 12/8 | 3.82 | 1.33 |
| 1:30 AM 12/8 | 3.8 | 1.31 |
| 1:15 AM 12/8 | 3.77 | 1.29 |
| 1:00 AM 12/8 | 3.73 | 1.26 |
| 12:45 AM 12/8 | 3.69 | 1.23 |
| 12:30 AM 12/8 | 3.66 | 1.21 |
| 12:15 AM 12/8 | 3.62 | 1.18 |
| 12:00 AM 12/8 | 3.56 | 1.14 |
| 11:45 PM 12/7 | 3.55 | 1.13 |
| 11:30 PM 12/7 | 3.52 | 1.11 |
| 11:15 PM 12/7 | 3.48 | 1.08 |
| 11:00 PM 12/7 | 3.47 | 1.08 |
| 10:45 PM 12/7 | 3.43 | 1.05 |
| 10:30 PM 12/7 | 3.42 | 1.04 |
| 10:15 PM 12/7 | 3.4 | 1.03 |
| 10:00 PM 12/7 | 3.39 | 1.02 |
| 9:45 PM 12/7 | 3.38 | 1.02 |
| 9:30 PM 12/7 | 3.38 | 1.02 |
| 9:15 PM 12/7 | 3.38 | 1.02 |
| 9:00 PM 12/7 | 3.39 | 1.02 |
| 8:45 PM 12/7 | 3.36 | 1 |
13' -
There is widespread flooding in the Afton and Janesville areas. Numerous roads and streets are impacted including South River Road on the south side of Janesville, several blocks of Joseph and Charles Streets, and the on ramp to Memorial Drive. The intersection of Wall Street and Main Street is closed. Traxler Park in Janesville is flooded and closed.
12.7' -
There is widespread flooding in the Afton and Janesville areas. Numerous roads and streets are closed including South River Road on the south side of Janesville, several blocks of Joseph and Charles Streets, a portion of Main Street, and North Loop Road at Traxler Park. The on-ramp to Memorial Drive is closed. Traxler Park in Janesville is flooded and closed. The intersection of Wall Street and Main Street is flooded.
12.2' -
There is widespread flooding in the Afton and Janesville areas. Numerous roads and streets adjacent to the river are closed including South River Road on the south side of Janesville, several blocks of Joseph and Charles Streets, a portion of Main Street, and North Loop Road at Traxler Park. The on-ramp to Memorial Drive is closed as is a portion of Riverside Drive. Traxler Park off of Memorial Drive in Janesville is flooded and closed.
11.5' -
Water surrounds at least 2 homes near the river in the Afton area. Numerous secondary roads in the Afton area are closed to traffic. Floodwaters affect South River Road on the south side of Janesville. Traxler Park off of Memorial Drive in Janesville is flooded.
11.1' -
Floodwaters affect Riverside Park and a road in Riverside park on the north side of Janesville and South River Road on the south side of Janesville. Floodwaters affect low spots on South River Rd on the south side of Janesville. Floodwaters affect a home on South Christian Rd on the east side of the river in the Afton area. There is extensive lowland and agricultural land flooding in the Afton and Janesville areas.
10.5' -
Floodwaters affect Riverside Park on the north side of Janesville and South River Road on the south side of Janesville. Floodwaters affect low spots on South River Rd on the south side of Janesville. Floodwaters affect a home on South Christian Rd on the east side of the river in the Afton area. There is extensive lowland and agricultural land flooding in the Afton and Janesville areas.
10' -
Floodwaters affect the property of a home on South Christian Road on the east side of the river in the Afton area. Minor erosional flood damage occurs to lowland and agricultural land adjacent to the river the Afton and Janesville areas.
9' -
Floodwaters affect property of a home on South Christian Road on the east side of the river in the Afton area. There is minor erosional flood damage to lowland and agricultural land in the Afton and Janesville areas.
8.5' -
Floodwaters spread into lowland and agricultural land adjacent to the river in the Afton and Janesville areas.
8' -
Water overflows the lower river banks in the Afton and Janesville areas. The river width is about 240 feet in the area of the gauge.
| Date | Stage (ft) |
|---|---|
| Jun 21, 2008 | 13.51 |
| Feb 5, 1916 | 13.05 |
| Jan 23, 2008 | 12.21 |
| Apr 5, 1979 | 11.86 |
| Oct 18, 2015 | 11.84 |
| Apr 18, 2013 | 11.84 |
| Mar 23, 1929 | 11.8 |
| Apr 10, 1959 | 11.77 |
| Mar 25, 1918 | 11.5 |
| Apr 23, 1993 | 11.41 |
| Apr 1, 1975 | 11.25 |
| Sep 12, 2018 | 11.2 |
| Mar 25, 2009 | 11.15 |
| Feb 21, 2018 | 11.12 |
| Mar 25, 2019 | 11.07 |
| Mar 16, 1943 | 11.04 |
| Sep 13, 1915 | 11 |
| Jun 1, 2004 | 10.96 |
| Jul 16, 2024 | 10.81 |
| May 8, 1973 | 10.81 |
Data provided by the National Weather Service.
