Hazardous Weather Outlook
Issued by NWS Green Bay, WI
Issued by NWS Green Bay, WI
115 FLUS43 KGRB 171950 HWOGRB Hazardous Weather Outlook National Weather Service Green Bay WI 250 PM CDT Tue Jun 17 2025 WIZ005-010>013-018>022-030-031-035>040-045-048>050-073-074-182000- 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- 250 PM CDT Tue Jun 17 2025 This Hazardous Weather Outlook is for north-central and northeast Wisconsin. .DAY ONE...Tonight The probability for widespread hazardous weather is low. .DAYS TWO THROUGH SEVEN...Wednesday through Tuesday Thunderstorms will be possible at times from Wednesday through Saturday. Wednesday there is a chance for periods of moderate to heavy rain across the Fox Valley that may lead to minor urban or low-land flooding. Thursday afternoon and evening, and again Friday afternoon into Saturday there is a chance for severe thunderstorms. There is also the potential for torrential rainfall with the stronger storms. Details concerning timing and location are still uncertain at this time. A hot and humid airmass will move into the region this weekend into early next week. Heat index values could climb well into the 90s. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be needed tonight. $$ LMZ521-522-541>543-182000- The Bay of Green Bay south of a line from Cedar River MI to Rock Island Passage-Lake Michigan from Washington Island to Sheboygan- 250 PM CDT Tue Jun 17 2025 This Hazardous Weather Outlook is for portions of northwest Lake Michigan and the waters of Green Bay. .DAY ONE...Tonight The probability for widespread hazardous weather is low. .DAYS TWO THROUGH SEVEN...Wednesday through Tuesday Thunderstorms will be possible at times from Wednesday through Saturday. Any thunderstorms that form would pose a hazard to mariners. Increasing southerly winds and building waves could create hazardous conditions for small craft later this week into the weekend. Dense marine fog may be possible at times this weekend into early next week, especially on Lake Michigan. $$ GK