


Hazardous Weather Outlook
Issued by NWS Green Bay, WI
Issued by NWS Green Bay, WI
450 FLUS43 KGRB 211927 HWOGRB Hazardous Weather Outlook National Weather Service Green Bay WI 227 PM CDT Thu Aug 21 2025 WIZ005-010>013-018>022-030-031-035>040-045-048>050-073-074-221930- 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- 227 PM CDT Thu Aug 21 2025 This Hazardous Weather Outlook is for north-central and northeast Wisconsin. .DAY ONE...Tonight Patchy fog is possible late tonight, especially over central Wisconsin. .DAYS TWO THROUGH SEVEN...Friday through Thursday Patchy fog is possible early Friday morning, especially over central Wisconsin. Thunderstorms will be possible at times Friday afternoon through Friday night, then again Sunday afternoon. Isolated strong to severe storms are possible, especially over north-central Wisconsin Friday afternoon into Friday evening. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be needed tonight. $$ LMZ521-522-541>543-221930- The Bay of Green Bay south of a line from Cedar River MI to Rock Island Passage-Lake Michigan from Washington Island to Sheboygan- 227 PM CDT Thu Aug 21 2025 This Hazardous Weather Outlook is for portions of northwest Lake Michigan and the waters of Green Bay. .DAY ONE...Tonight The probability for widespread hazardous weather is low. .DAYS TWO THROUGH SEVEN...Friday through Thursday Thunderstorms will be possible at times Friday afternoon through Friday night, then again on Sunday afternoon. Any thunderstorm could pose a hazard to mariners. $$ JLA