Waupaca 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 Tuesday 04/21 10:45 AM CDT – Wednesday 04/22 1:45 AM CDT
Issued by NWS Green Bay WI
The Flood Warning continues for the following rivers in Wisconsin
Wolf River at Lake Poygan affecting Winnebago and Waushara Counties.
Wolf River at New London affecting Winnebago, Waupaca and Outagamie Counties.
Wolf River near Shiocton affecting Shawano, Waupaca and Outagamie Counties.
For the Lower Wolf River...including Shiocton, New London, Lake Poygan...Major flooding is forecast.
What
Moderate flooding is occurring and moderate flooding is forecast. This approaches the flood of record.
Where
Wolf River near Shiocton.
When
Until further notice.
Impacts
At 14.0 feet, Water is about a foot below the bottom of the Highway 54 bridge. Floodwaters begin spreading over parts of Shiocton adjacent to the river including River and Mills Streets.
Additional Details
- At 8:25 AM CDT Tuesday the stage was 14.1 feet. - Bankfull stage is 9.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:25 AM CDT Tuesday was 14.4 feet. - Forecast...The river is expected to slowly fall to 11.6 feet Tuesday, April 28. - Flood stage is 11.0 feet. - http://www.weather.gov/safety/flood
What to do
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.
Additional information is available at www.weather.gov.
The next statement will be issued late tonight by 145 AM CDT.
Areas impacted
- Outagamie, WI
- Shawano, WI
- Waupaca, 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 Tuesday 04/21 10:45 AM CDT – Wednesday 04/22 1:45 AM CDT
Issued by NWS Green Bay WI
The Flood Warning continues for the following rivers in Wisconsin
Wolf River at Lake Poygan affecting Winnebago and Waushara Counties.
Wolf River at New London affecting Winnebago, Waupaca and Outagamie Counties.
Wolf River near Shiocton affecting Shawano, Waupaca and Outagamie Counties.
For the Lower Wolf River...including Shiocton, New London, Lake Poygan...Major flooding is forecast.
What
Major flooding is occurring and major flooding is forecast. This approaches the flood of record.
Where
Wolf River at New London.
When
Until further notice.
Impacts
At 12.0 feet, Widespread flooding of shoreline property is occurring from the New London area to Lake Poygan. Water reaches the top of the retaining wall in New London.
Additional Details
- At 10:00 AM CDT Tuesday the stage was 11.4 feet. - Bankfull stage is 7.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 10:00 AM CDT Tuesday was 11.5 feet. - Forecast...The river is expected to slowly fall to 9.2 feet Tuesday, April 28. - Flood stage is 9.0 feet. - http://www.weather.gov/safety/flood
What to do
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.
Additional information is available at www.weather.gov.
The next statement will be issued late tonight by 145 AM CDT.
Areas impacted
- Outagamie, WI
- Waupaca, WI
- Winnebago, 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
Forecast thru Friday
Created by the NWS Green Bay WFO
{April 21, 2026 4 PM} Northeast WI will see warmer, mostly sunny/clear conditions tonight through Wednesday with highs reaching the mid 60s and 70s. Highs in the 70s to near 80 on Thursday. A period of rain & storms is expected late Thursday into Friday. Locally heavy rainfall is possible.
Seven-day weather risk overview
Daily weather risk summary
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