Headline:
Flood Warning issued May 2 at 4:22PM CDT until May 5 at 7:00PM CDT by NWS Milwaukee/Sullivan WI
Event:
Flood Warning
Urgency:
Immediate
Effective:
May 2, 2026 - 2:22pm
Expires:
May 3, 2026 - 2:30am
Description:
...The Flood Warning continues for the following rivers in
Wisconsin...Illinois...
Rock River At Newville affecting Rock County.
Rock River Near Lake Koshkonong affecting Rock and Jefferson
Counties.
Rock River At Fort Atkinson affecting Jefferson County.
Rock River At Afton affecting Rock and Winnebago Counties.
ROCK RIVER near LEBANON-3 E-HWY MM BRIDGE affecting Dodge County.
* WHAT...Minor flooding is occurring and minor flooding is forecast.
* WHERE...Rock River near Lake Koshkonong.
* WHEN...Until Tuesday evening.
* IMPACTS...At 10.5 feet, Floodwaters reach Oxbow Bend Road in the
area of the gage on the east side of the lake.
* ADDITIONAL DETAILS...
- At 3:00 PM CDT Saturday the stage was 10.5 feet.
- Bankfull stage is 9.0 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 3:00 PM CDT Saturday was 10.7 feet.
- Forecast...The river is expected to fall below flood stage
early Tuesday afternoon and continue falling to 9.4 feet
Saturday, May 09.
- Flood stage is 10.0 feet.
- http://www.weather.gov/safety/flood
Instruction:
Motorists should not attempt to drive around barricades or drive
cars through flooded areas.
Caution is urged when walking near riverbanks.
Additional information is available at www.weather.gov.
The next statement will be issued late tonight at 430 AM CDT.
Area Description:
Jefferson, WI; Rock, WI
Forcast Office:
NWS Milwaukee/Sullivan WI