Hazardous Weather Outlook
Issued by NWS Green Bay, WI
Issued by NWS Green Bay, WI
395 FLUS43 KGRB 131951 HWOGRB Hazardous Weather Outlook National Weather Service Green Bay WI 251 PM CDT Mon Apr 13 2026 WIZ005-010>013-018>022-030-031-035>040-045-048>050-073-074-142000- Vilas-Oneida-Forest-Florence-Northern Marinette County-Lincoln- Langlade-Menominee-Northern Oconto County-Door-Marathon-Shawano- Wood-Portage-Waupaca-Outagamie-Brown-Kewaunee-Waushara-Winnebago- Calumet-Manitowoc-Southern Marinette County- Southern Oconto County- 251 PM CDT Mon Apr 13 2026 This Hazardous Weather Outlook is for north-central and northeast Wisconsin. .DAY ONE...Tonight Elevated water levels or flooding continue along some rivers. Severe storms, including heavy rainfall, large to very large hail, damaging winds and tornado or two are possible late this afternoon into tonight. The highest risk of severe storms is across central into east- central Wisconsin. Additional flooding may occur for areas that receive heavy rainfall tonight. .DAYS TWO THROUGH SEVEN...Tuesday through Monday There is a chance of severe thunderstorms south of a line from Wisconsin Rapids to Sturgeon bay during the late afternoon and evening on Tuesday. Large hail and strong winds will be the primary threats. Additional thunderstorms are possible Wednesday afternoon into Wednesday night, and again Friday night into Saturday. Elevated water levels and at least minor flooding will continue along many rivers through the week. Runoff from the Upper Peninsula will likely result in moderate to possibly major flooding on the Menominee River during the mid to late part of the week. .SPOTTER INFORMATION STATEMENT... Spotters should report severe weather and flooding to the National Weather Service in Green Bay. $$ LMZ521-522-541>543-142000- The Bay of Green Bay south of a line from Cedar River MI to Rock Island Passage-Lake Michigan from Washington Island to Sheboygan- 251 PM CDT Mon Apr 13 2026 This Hazardous Weather Outlook is for portions of northwest Lake Michigan and the waters of Green Bay. .DAY ONE...Tonight Thunderstorms, some possibly strong to severe, are expected tonight. Areas of fog are possible. .DAYS TWO THROUGH SEVEN...Tuesday through Monday Thunderstorms will be possible at times Tuesday through Wednesday night, and again Friday night into Saturday. Severe storms will be possible Tuesday evening. $$