WGUS83 KGRB 210152 FLSGRB Flood Statement National Weather Service Green Bay WI 852 PM CDT Mon Apr 20 2026 ...The Flood Warning continues for the following rivers in Wisconsin... Wolf River at Lake Poygan affecting Waushara and Winnebago Counties. Wolf River at New London affecting Waupaca, Winnebago and Outagamie Counties. Wolf River near Shiocton affecting Waupaca, Shawano and Outagamie Counties. For the Lower Wolf River...including Shiocton, New London, Lake Poygan...Minor to Major flooding is forecast. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. Please report observed flooding to local emergency services or law enforcement and request they pass this information to the National Weather Service when you can do so safely. Additional information is available at www.weather.gov/grb The next statement will be issued Tuesday afternoon by noon CDT. && WIC137-139-211700- /O.CON.KGRB.FL.W.0044.000000T0000Z-000000T0000Z/ /WNCW3.1.ER.260420T1200Z.260421T0115Z.000000T0000Z.UU/ 852 PM CDT Mon Apr 20 2026 ...FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE... * WHAT...Minor flooding is occurring. * WHERE...Wolf River at Lake Poygan. * WHEN...Until further notice. * IMPACTS...At 5.0 feet, Several inches of water may be surrounding low-lying structures along Lake Poygan and upstream along the Wolf River to Fremont. Local communities from Lake Poygan upstream along the Wolf River to Fremont may consider or already have in effect no wake advisories to protect the shoreline. * ADDITIONAL DETAILS... - At 8:30 PM CDT Monday the stage was 5.1 feet. - Bankfull stage is 4.5 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:30 PM CDT Monday was 5.2 feet. - Forecast...No forecast is available for this location. - Flood stage is 5.0 feet. - Flood History...This crest compares to a previous crest of 4.9 feet on 06/17/2004. - http://www.weather.gov/safety/flood && LAT...LON 4418 8880 4416 8868 4411 8868 4410 8891 4417 8891 $$ WIC087-135-139-211700- /O.CON.KGRB.FL.W.0007.000000T0000Z-000000T0000Z/ /NEWW3.3.ER.260404T2145Z.260418T2215Z.000000T0000Z.NR/ 852 PM CDT Mon Apr 20 2026 ...FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE... * WHAT...Major flooding is occurring and major flooding is forecast. * WHERE...Wolf River at New London. * WHEN...Until further notice. * IMPACTS...At 12.0 feet, Widespread flooding of shoreline property is occurring from the New London area to Lake Poygan. Water reaches the top of the retaining wall in New London. * ADDITIONAL DETAILS... - At 8:00 PM CDT Monday the stage was 11.6 feet. - Bankfull stage is 7.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:00 PM CDT Monday was 11.7 feet. - Forecast...The river is expected to fall to 9.3 feet Monday, April 27. - Flood stage is 9.0 feet. - http://www.weather.gov/safety/flood && LAT...LON 4434 8867 4431 8881 4418 8877 4418 8887 4441 8890 4442 8867 $$ WIC087-115-135-211700- /O.CON.KGRB.FL.W.0004.000000T0000Z-000000T0000Z/ /SHIW3.2.ER.260404T1320Z.260417T2250Z.000000T0000Z.NR/ 852 PM CDT Mon Apr 20 2026 ...FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE... * 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. Flood waters begin spreading over partsof Shiocton adjacent to the river including River and Mills Streets. * ADDITIONAL DETAILS... - At 5:45 PM CDT Monday the stage was 14.3 feet. - Bankfull stage is 9.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 5:45 PM CDT Monday was 14.5 feet. - Forecast...The river is expected to fall to 12.1 feet Monday, April 27. - Flood stage is 11.0 feet. - http://www.weather.gov/safety/flood && LAT...LON 4468 8852 4433 8848 4434 8867 4440 8867 4450 8863 4468 8867 $$ Eckberg