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
Special Weather Statement
Issued: 3:35 AM Apr. 14, 2026 – National Weather Service
...STRONG THUNDERSTORMS WILL IMPACT BROWN...SOUTHWESTERN KEWAUNEE... CALUMET...WINNEBAGO...SOUTHEASTERN WAUSHARA...OUTAGAMIE AND NORTHERN MANITOWOC COUNTIES THROUGH 1130 PM CDT... At 1034 PM CDT, Doppler radar was tracking a cluster of strong thunderstorms along a line extending from 7 miles northeast of New London to 11 miles east of Fremont to near Berlin to 8 miles north of Montello. Movement was east at 40 mph. HAZARD...Half inch hail and torrential rainfall. SOURCE...Radar indicated. IMPACT...Minor hail damage to vegetation is possible. Strong thunderstorms will be near... Black Creek around 1040 PM CDT. Appleton, Menasha, and Northern Lake Winnebago around 1045 PM CDT. Oshkosh, Little Chute, and Kimberly around 1050 PM CDT. Kaukauna, Darboy, Rush Lake, and Central Lake Winnebago around 1055 PM CDT. High Cliff State Park around 1105 PM CDT. Green Bay around 1110 PM CDT. Brillion and Bellevue around 1115 PM CDT. Other locations impacted by these storms include Pickett, Butte Des Morts, Curran, Wayside, Freedom, Borth, Zittau, Harbor Springs, Allenville, and St John. PRECAUTIONARY/PREPAREDNESS ACTIONS... If outdoors, consider seeking shelter inside a building. Torrential rainfall is also occurring with these storms and may lead to localized flooding. Do not drive your vehicle through flooded roadways. A Severe Thunderstorm Watch remains in effect until 400 AM CDT for central, northeastern and east central Wisconsin. && MAX HAIL SIZE...0.50 IN; MAX WIND GUST...<30 MPH
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. &&
Flash Flood Warning
Issued: 3:01 AM Apr. 14, 2026 – National Weather Service
The National Weather Service in Green Bay has issued a * Flash Flood Warning for... Northern Brown County in northeastern Wisconsin... Southern Door County in northeastern Wisconsin... Northern Kewaunee County in northeastern Wisconsin... Southern Oconto County in northeastern Wisconsin... Northeastern Outagamie County in northeastern Wisconsin... * Until 400 AM CDT. * At 1001 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 0.5 to 1.5 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, Sturgeon Bay, Bay Shore Park, Pulaski, Algoma, Luxemburg, Bellevue, Oneida, De Pere, Howard, Ashwaubenon, Allouez, Suamico, Hobart, Little Suamico, Chase, Abrams, Pensaukee, Humboldt and Brussels. 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
Severe Thunderstorm Watch
Issued: 2:43 AM Apr. 14, 2026 – National Weather Service
THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 106 IN EFFECT UNTIL 4 AM CDT TUESDAY FOR THE FOLLOWING AREAS IN WISCONSIN THIS WATCH INCLUDES 3 COUNTIES IN EAST CENTRAL WISCONSIN MANITOWOC IN NORTHEAST WISCONSIN BROWN KEWAUNEE THIS INCLUDES THE CITIES OF ALASKA, DUVALL, GREEN BAY, KEWAUNEE, MANITOWOC, NORMAN, POINT BEACH STATE PARK, RANKIN, RIO CREEK, ROSTOK, SHOTO, AND TWO RIVERS.
Flood Advisory
Issued: 1:36 AM Apr. 14, 2026 – National Weather Service
...FLOOD ADVISORY IN EFFECT UNTIL 1130 PM CDT THIS EVENING... * WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Brown County in northeastern Wisconsin... Southern Oconto County in northeastern Wisconsin... Northeastern Outagamie County in northeastern Wisconsin... * WHEN...Until 1130 PM CDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Ponding of water in urban or other areas is occurring or is imminent. * ADDITIONAL DETAILS... - At 836 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. - Additional rainfall amounts up to 1 inch are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... Green Bay, Bay Shore Park, Pulaski, Denmark, Black Creek, Bellevue, Oneida, De Pere, Howard, Ashwaubenon, Allouez, Suamico, Ledgeview, Hobart, Little Suamico, Seymour, Chase, Wrightstown, Pittsfield and Abrams. - 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. Be aware of your surroundings and do not drive on flooded roads. &&
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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