Active Weather Alerts
Flash Flood Warning
Issued: 3:54 AM Apr. 14, 2026 – National Weather Service
The National Weather Service in Green Bay has issued a * Flash Flood Warning for... Northern Calumet County in east central Wisconsin... Manitowoc County in east central Wisconsin... Northern Winnebago County in east central Wisconsin... Southern Brown County in northeastern Wisconsin... Kewaunee County in northeastern Wisconsin... Southern Outagamie County in northeastern Wisconsin... * Until 400 AM CDT. * At 1054 PM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2 inches of rain have fallen. Additional rainfall amounts of 1 to 2 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar indicated. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include... Green Bay, Appleton, Manitowoc, Kewaunee, Menasha, Kaukauna, Little Chute, Kimberly, Algoma, Brillion, Luxemburg, Denmark, Two Creeks, Bellevue, High Cliff State Park, Darboy, Northern Lake Winnebago, Central Lake Winnebago and Lake Poygan. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding. Be aware of your surroundings and do not drive on flooded roads. && FLASH FLOOD...RADAR INDICATED
Flood Advisory
Issued: 3:21 AM Apr. 14, 2026 – National Weather Service
...FLOOD ADVISORY IN EFFECT UNTIL 415 AM CDT TUESDAY... * WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Southern Portage County in central Wisconsin... Waushara County in central Wisconsin... Southern Wood County in central Wisconsin... Calumet County in east central Wisconsin... Manitowoc County in east central Wisconsin... Winnebago County in east central Wisconsin... Brown County in northeastern Wisconsin... Kewaunee County in northeastern Wisconsin... Outagamie County in northeastern Wisconsin... Southern Waupaca County in northeastern Wisconsin... * WHEN...Until 415 AM CDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. * ADDITIONAL DETAILS... - At 1021 PM CDT, Doppler radar indicated heavy rain due to thunderstorms. Minor flooding is ongoing or expected to begin shortly in the advisory area. Between 0.5 and 1 inch of rain has fallen. - Some locations that will experience flooding include... Green Bay, Appleton, Oshkosh, Manitowoc, Wisconsin Rapids, Waupaca, Kewaunee, Wautoma, Menasha, Kaukauna, Little Chute, New London, Kimberly, Chilton, Algoma, Brillion, Luxemburg, Redgranite, Denmark and Cleveland. - http://www.weather.gov/safety/flood PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding. &&
River Flood Warning
Issued: 2:46 AM Apr. 14, 2026 – National Weather Service
...FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE... * WHAT...Minor flooding is occurring and moderate flooding is forecast. This approaches the flood of record. * WHERE...Wolf River at New London. * WHEN...Until further notice. * IMPACTS...At 10.1 feet, Floodwaters begin to cover portions of West Wolf River Avenue downstream of New London. Widespread lowland flooding is occurring from New London to Fremont. * ADDITIONAL DETAILS... - At 9:00 PM CDT Monday the stage was 9.6 feet. - Bankfull stage is 7.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 9:00 PM CDT Monday was 9.6 feet. - Forecast...The river is expected to rise to a crest of 11.0 feet Saturday morning. - Flood stage is 9.0 feet. - http://www.weather.gov/safety/flood &&
Flood Watch
Issued: 10:34 PM Apr. 13, 2026 – National Weather Service
...FLOOD WATCH REMAINS IN EFFECT THROUGH TUESDAY MORNING... * WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of central, east central, north central, and northeast Wisconsin, including the following areas, in central Wisconsin, Marathon, Portage, Waushara and Wood. In east central Wisconsin, Calumet, Manitowoc and Winnebago. In north central Wisconsin, Langlade and Lincoln. In northeast Wisconsin, Brown, Door, Kewaunee, Menominee, Northern Marinette County, Northern Oconto County, Outagamie, Shawano, Southern Marinette County, Southern Oconto County and Waupaca. * WHEN...Through Tuesday morning. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Extensive street flooding will also be possible. * ADDITIONAL DETAILS... - Soils are saturated due to recent rainfall and rain across the area this afternoon. Multiple rounds of thunderstorms continue to develop across the watch area through this evening, and will likely produce widespread additional rainfall amounts of 1 to locally 2 inches, with locally higher amounts. - http://www.weather.gov/safety/flood PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop. &&
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