Rock River at Newville, WI
River level and flood forecast · Rock County
The river is 3.5 ft below flood stage (6.5 ft).
Flow: 2,070 cubic feet per second (USGS).
The last 7 days and the forecast
NWS forecast issued Sun, Dec 31, 6 PM. Forecasts change as rain falls and as upstream water arrives.
Get flood alerts for this river
An email when the National Weather Service forecasts Rock River at Newville to flood, when it floods, and when it's over.
Flood stages
| Major flood stage | 8 ft |
| Moderate flood stage | 7.5 ft |
| Flood stage | 6.5 ft |
| Action stage | 5.5 ft |
| Record crest (April 23, 2013) | 8.51 ft |
What floods at each level
From the National Weather Service, highest first.
- 8 ftFloodwaters surround some homes near East Mallwood Dr and across eastern Newville. Floodwaters affect a riverside restaurant and its parking lot on the south side of the river. Boat slips at two Newville marinas are under water and water surrounds fuel tanks at one marina. Dallman Park is flooded at Charley Bluff on the SE side of Lake Koshkonong. About 4 miles downstream, floodwaters flow over and cover Indianford Dam. Downstream in Janesville, Traxler park off of Memorial Drive is flooded and closed.
- 7.5 ftFloodwaters surround some homes near East Mallwood Drive and are into yards and roads across eastern Newville. Floodwaters affect a riverside restaurant and its parking lot on the south side of the river.
- 6.5 ftFloodwaters are in the back yards of homes and businesses near east Mallwood Road Drive in Newville.
- 5.5 ftWater is into some of the lowest back yards in the Newville area.
- 4.5 ftThere is minor lowland flooding in the Newville area.
Highest crests on record
- 8.51 ft — April 23, 2013
- 7.99 ft — April 17, 2013
- 7.79 ft — September 12, 2018
- 7.61 ft — April 25, 2026
- 7.6 ft — March 25, 2019
Recent crests: 7.61 ft (April 25, 2026) · 6.56 ft (July 16, 2024) · 7.14 ft (October 15, 2019) · 7.14 ft (October 14, 2019) · 7.1 ft (October 12, 2019)
Up and down the river, and nearby
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (NVEW3); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.