Jefferson County, WI
Alerts
Alerts are listed in order of start time and level of severity. Click on the alert title to read details for each alert.
In effect from Friday 04/17 10:10 PM CDT – Saturday 04/18 10:15 AM CDT
Issued by NWS Milwaukee/Sullivan WI
The Flood Warning continues for the following rivers in Wisconsin
Rock River At Fort Atkinson affecting Jefferson County.
Rock River At Jefferson affecting Jefferson County.
Rock River At Watertown affecting Jefferson County.
What
Minor flooding is occurring and moderate flooding is forecast.
Where
Rock River at Jefferson.
When
Until further notice.
Impacts
At 12.0 feet, Riverview Drive is closed due to floodwaters on the road. The Tensfeldt Park boat launch is closed. Intersection of S Main St and E Dane St is closed, and S Center Ave. Floodwaters affect highway K between Jefferson and Fort Atkinson. River's Edge Park flooded.
Additional Details
- At 9:00 PM CDT Friday the stage was 10.8 feet. - Bankfull stage is 8.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 9:00 PM CDT Friday was 10.8 feet. - Forecast...The river is expected to rise to 12.7 feet early Thursday afternoon. Additional rises are possible thereafter. - Flood stage is 10.0 feet. - Flood History...This crest compares to a previous crest of 12.8 feet on 04/02/1979. - http://www.weather.gov/safety/flood
What to do
To escape rising water, take the shortest path to higher ground.
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.
Motorists should not attempt to drive around barricades or drive cars through flooded areas.
Even 6 inches of fast-moving flood water can knock you off your feet and a depth of 2 feet will float your car. Never try to walk, swim, or drive through such swift water. If you come upon flood waters, stop, turn around and go another way.
Additional information is available at www.weather.gov.
The next statement will be issued Saturday morning at 1015 AM CDT.
Areas impacted
- Jefferson, WI
Tips to stay safe
A Flood Warning means that dangerous flooding is expected or already happening. Take immediate action to protect yourself and your home.
- If your home is likely to flood, or if authorities tell you to evacuate, do so immediately and move to higher ground.
- Never walk, swim, or drive through flood waters or flooded roads.
- Stay away from areas where water levels can rise rapidly, like storm drains, culverts, creeks and streams.
- If you are trapped in a building, move to the highest floor and call 911. Go to the roof only if necessary.
- Do not go into any room where electrical cords or outlets are under water. Stay out of water that may have electricity in it!
- If your vehicle is trapped in rapidly moving water, stay inside. If water is rising inside the vehicle, move to the roof and signal for help.
In effect from Friday 04/17 10:10 PM CDT – Saturday 04/18 10:15 AM CDT
Issued by NWS Milwaukee/Sullivan WI
The Flood Warning continues for the following rivers in Wisconsin
Rock River At Fort Atkinson affecting Jefferson County.
Rock River At Jefferson affecting Jefferson County.
Rock River At Watertown affecting Jefferson County.
What
Minor flooding is occurring and moderate flooding is forecast.
Where
Rock River at Fort Atkinson.
When
Until further notice.
Impacts
At 17.0 feet, Floodwaters are in the back yards of some homes on Rogers Street on the northeast side of Fort Atkinson and water surrounds a few homes and businesses at the end of Vets Lane near the intersection of Hwy 106 and Blackhawk Island Rd. These roads are flooded in the Fort Atkinson area: 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 becomes flooded.
Additional Details
- At 9:00 PM CDT Friday the stage was 16.4 feet. - Bankfull stage is 14.5 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 9:00 PM CDT Friday was 16.4 feet. - Forecast...The river is expected to rise to a crest of 17.1 feet early Sunday afternoon. - Flood stage is 16.0 feet. - Flood History...This crest compares to a previous crest of 17.0 feet on 09/07/2018. - http://www.weather.gov/safety/flood
What to do
To escape rising water, take the shortest path to higher ground.
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.
Motorists should not attempt to drive around barricades or drive cars through flooded areas.
Even 6 inches of fast-moving flood water can knock you off your feet and a depth of 2 feet will float your car. Never try to walk, swim, or drive through such swift water. If you come upon flood waters, stop, turn around and go another way.
Additional information is available at www.weather.gov.
The next statement will be issued Saturday morning at 1015 AM CDT.
Areas impacted
- Jefferson, WI
Tips to stay safe
A Flood Warning means that dangerous flooding is expected or already happening. Take immediate action to protect yourself and your home.
- If your home is likely to flood, or if authorities tell you to evacuate, do so immediately and move to higher ground.
- Never walk, swim, or drive through flood waters or flooded roads.
- Stay away from areas where water levels can rise rapidly, like storm drains, culverts, creeks and streams.
- If you are trapped in a building, move to the highest floor and call 911. Go to the roof only if necessary.
- Do not go into any room where electrical cords or outlets are under water. Stay out of water that may have electricity in it!
- If your vehicle is trapped in rapidly moving water, stay inside. If water is rising inside the vehicle, move to the roof and signal for help.
In effect from Friday 04/17 10:10 PM CDT – Saturday 04/18 10:15 AM CDT
Issued by NWS Milwaukee/Sullivan WI
The Flood Warning continues for the following rivers in Wisconsin
Rock River At Fort Atkinson affecting Jefferson County.
Rock River At Jefferson affecting Jefferson County.
Rock River At Watertown affecting Jefferson County.
What
Major flooding is forecast.
Where
Rock River at Watertown.
When
Until further notice.
Impacts
At 6.5 feet, Floodwaters affect some streets in Watertown. Water is in Riverside Park. About 6 miles upstream near Ixonia, Wayside park along Highway 16 and Kanow Park is flooded. Rock River Road near Highway 16 is flooded.
Additional Details
- At 9:00 PM CDT Friday the stage was 5.3 feet. - Bankfull stage is 4.0 feet. - Forecast...The river is expected to rise above flood stage early tomorrow afternoon and continue rising to 6.5 feet Thursday morning. Additional rises are possible thereafter. - Flood stage is 5.5 feet. - Flood History...This crest compares to a previous crest of 6.3 feet on 04/04/1959. - http://www.weather.gov/safety/flood
What to do
To escape rising water, take the shortest path to higher ground.
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.
Motorists should not attempt to drive around barricades or drive cars through flooded areas.
Even 6 inches of fast-moving flood water can knock you off your feet and a depth of 2 feet will float your car. Never try to walk, swim, or drive through such swift water. If you come upon flood waters, stop, turn around and go another way.
Additional information is available at www.weather.gov.
The next statement will be issued Saturday morning at 1015 AM CDT.
Areas impacted
- Jefferson, WI
Tips to stay safe
A Flood Warning means that dangerous flooding is expected or already happening. Take immediate action to protect yourself and your home.
- If your home is likely to flood, or if authorities tell you to evacuate, do so immediately and move to higher ground.
- Never walk, swim, or drive through flood waters or flooded roads.
- Stay away from areas where water levels can rise rapidly, like storm drains, culverts, creeks and streams.
- If you are trapped in a building, move to the highest floor and call 911. Go to the roof only if necessary.
- Do not go into any room where electrical cords or outlets are under water. Stay out of water that may have electricity in it!
- If your vehicle is trapped in rapidly moving water, stay inside. If water is rising inside the vehicle, move to the roof and signal for help.
In effect from Friday 04/17 10:15 PM CDT – Saturday 04/18 10:15 AM CDT
Issued by NWS Milwaukee/Sullivan WI
The Flood Warning continues for the following rivers in Wisconsin
Baraboo River Near Baraboo affecting Columbia and Sauk Counties.
Milwaukee River Near Cedarburg affecting Ozaukee County.
Crawfish River At Milford affecting Jefferson County.
What
Minor flooding is occurring and minor flooding is forecast.
Where
Crawfish River at Milford.
When
Until further notice.
Impacts
At 9.0 feet, Water approaches some homes in Milford. There is widespread flooding of roads in Riverbend Campground, about 5 miles upstream of Milford.
Additional Details
- At 9:00 PM CDT Friday the stage was 7.3 feet. - Bankfull stage is 5.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 9:00 PM CDT Friday was 7.3 feet. - Forecast...The river is expected to rise to a crest of 8.8 feet early Wednesday morning. - Flood stage is 7.0 feet. - Flood History...This crest compares to a previous crest of 8.8 feet on 10/04/1986. - http://www.weather.gov/safety/flood
What to do
To escape rising water, take the shortest path to higher ground.
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.
Motorists should not attempt to drive around barricades or drive cars through flooded areas.
Even 6 inches of fast-moving flood water can knock you off your feet and a depth of 2 feet will float your car. Never try to walk, swim, or drive through such swift water. If you come upon flood waters, stop, turn around and go another way.
Additional information is available at www.weather.gov.
The next statement will be issued Saturday morning at 1015 AM CDT.
Areas impacted
- Jefferson, WI
Tips to stay safe
A Flood Warning means that dangerous flooding is expected or already happening. Take immediate action to protect yourself and your home.
- If your home is likely to flood, or if authorities tell you to evacuate, do so immediately and move to higher ground.
- Never walk, swim, or drive through flood waters or flooded roads.
- Stay away from areas where water levels can rise rapidly, like storm drains, culverts, creeks and streams.
- If you are trapped in a building, move to the highest floor and call 911. Go to the roof only if necessary.
- Do not go into any room where electrical cords or outlets are under water. Stay out of water that may have electricity in it!
- If your vehicle is trapped in rapidly moving water, stay inside. If water is rising inside the vehicle, move to the roof and signal for help.
In effect from Saturday 04/18 7:00 AM CDT – Saturday 04/18 10:15 AM CDT
Issued by NWS Milwaukee/Sullivan WI
The National Weather Service in Milwaukee/Sullivan WI has issued a Flood Warning for the following rivers in Wisconsin
Rock River Near Lake Koshkonong affecting Rock and Jefferson Counties.
What
Major flooding is forecast.
Where
Rock River near Lake Koshkonong.
When
From Saturday morning until further notice.
Impacts
At 11.3 feet, There is knee-deep water over Blackhawk Island Road. Lamp Road on west side of river also becomes flooded. Lake Koshkonong merges with Mud Lake to the east of Lake Koshkonong.
Additional Details
- At 9:00 PM CDT Friday the stage was 9.7 feet. - Bankfull stage is 9.0 feet. - Forecast...The river is expected to rise above flood stage tomorrow morning and continue rising to 12.1 feet Thursday morning. Additional rises are possible thereafter. - Flood stage is 10.0 feet. - Flood History...This crest compares to a previous crest of 12.2 feet on 04/25/1993. - http://www.weather.gov/safety/flood
What to do
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.
Additional information is available at www.weather.gov.
The next statement will be issued Saturday morning at 1015 AM CDT.
Areas impacted
- Jefferson, WI
- Rock, WI
Tips to stay safe
A Flood Warning means that dangerous flooding is expected or already happening. Take immediate action to protect yourself and your home.
- If your home is likely to flood, or if authorities tell you to evacuate, do so immediately and move to higher ground.
- Never walk, swim, or drive through flood waters or flooded roads.
- Stay away from areas where water levels can rise rapidly, like storm drains, culverts, creeks and streams.
- If you are trapped in a building, move to the highest floor and call 911. Go to the roof only if necessary.
- Do not go into any room where electrical cords or outlets are under water. Stay out of water that may have electricity in it!
- If your vehicle is trapped in rapidly moving water, stay inside. If water is rising inside the vehicle, move to the roof and signal for help.
Briefing
From the forecaster
Weekend Outlook
Created by the NWS Milwaukee/Sullivan WFO
After storms end tonight, gusty northwest winds will develop and bring in considerably cooler air. Isolated showers will develop Sunday within the cooler airmass, with a few snow showers possible in the early morning hours. No accumulations are expected. Skies will clear overnight and remain clear through Monday.
Seven-day weather risk overview
Daily weather risk summary
|
|
|
|
|
|
|
|
|
|---|---|---|---|---|---|---|---|
| risk level |
|
|
|
|
|
|
|