Hazardous Weather Outlook
Issued by NWS Green Bay, WI
Issued by NWS Green Bay, WI
554 FLUS43 KGRB 121840 HWOGRB Hazardous Weather Outlook National Weather Service Green Bay WI 140 PM CDT Tue May 12 2026 WIZ005-010>013-018>022-030-031-035>040-045-048>050-073-074-131845- 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- 140 PM CDT Tue May 12 2026 This Hazardous Weather Outlook is for north-central and northeast Wisconsin. .DAY ONE...Tonight Storms are expected to redevelop in eastern WI during the mid to late afternoon, with isolated strong to near severe storms possible in eastern WI, including the Fox Valley, between 3 pm and 7 pm. Small hail and strong wind gusts will be the primary hazards. .DAYS TWO THROUGH SEVEN...Wednesday through Tuesday Elevated fire weather conditions are expected Wednesday into Thursday and also on Saturday. Thunderstorms will be possible at times late Thursday night into Friday evening, and also from late Saturday night through Monday. Locally heavy rainfall is expected. .SPOTTER INFORMATION STATEMENT... Spotters should relay any reports of hail or wind gusts in excess of 40 mph to the National Weather Service in Green Bay this afternoon. $$ LMZ521-522-541>543-131845- The Bay of Green Bay south of a line from Cedar River MI to Rock Island Passage-Lake Michigan from Washington Island to Sheboygan- 140 PM CDT Tue May 12 2026 This Hazardous Weather Outlook is for portions of northwest Lake Michigan and the waters of Green Bay. .DAY ONE...Tonight There is a slight chance of thunderstorms from 4 to 7 pm today. A Small Craft Advisory is in effect for the lake and bay. .DAYS TWO THROUGH SEVEN...Wednesday through Tuesday Conditions hazardous to small craft are expected through early Wednesday evening on the bay and lake. A Small Craft Advisory is in effect. Conditions hazardous to small craft are possible again Friday into Friday night. Thunderstorms will be possible on Friday, and again from Sunday into Monday. $$ MPC