


Hazardous Weather Outlook
Issued by NWS Green Bay, WI
Issued by NWS Green Bay, WI
100 FLUS43 KGRB 041939 HWOGRB Hazardous Weather Outlook National Weather Service Green Bay WI 239 PM CDT Fri Jul 4 2025 WIZ005-010>013-018>022-030-031-035>040-045-048>050-073-074-051945- 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- 239 PM CDT Fri Jul 4 2025 This Hazardous Weather Outlook is for north-central and northeast Wisconsin. .DAY ONE...Tonight Although most of the region will remain dry, isolated thunderstorms are possible through early this evening. A strong storm is possible that could produce small hail and gusty winds. Very warm and muggy conditions will result in heat indices in the middle to upper 90s over central and northeast Wisconsin through early this evening. Those with outdoor plans should take precautions for the heat. .DAYS TWO THROUGH SEVEN...Saturday through Friday Very warm and muggy conditions will persist over eastern Wisconsin on Saturday. Gusty winds and high waves will lead to dangerous swimming conditions for the Lake Michigan beaches across Door, Kewaunee, and Manitowoc counties Saturday afternoon and Saturday night. Thunderstorms are expected on Saturday and Saturday evening. A few strong to severe storms are possible that could produce damaging wind gusts. Heavy rainfall is also possible that could produce localized urban flooding and flooding in low lying areas. There is an increased risk of rip currents on Lake Michigan beaches on Saturday afternoon and Saturday night. .SPOTTER INFORMATION STATEMENT... Spotters are requested to report any wind gusts over 40 mph or hail greater than a half inch in diameter to the National Weather Service in Green Bay. $$ LMZ521-522-541>543-051945- The Bay of Green Bay south of a line from Cedar River MI to Rock Island Passage-Lake Michigan from Washington Island to Sheboygan- 239 PM CDT Fri Jul 4 2025 This Hazardous Weather Outlook is for portions of northwest Lake Michigan and the waters of Green Bay. .DAY ONE...Tonight There is a small chance of thunderstorms this evening. Any thunderstorms could pose a hazard to boaters. .DAYS TWO THROUGH SEVEN...Saturday through Friday Gusty winds and high waves will lead to conditions hazardous to small craft Saturday afternoon and Saturday night on the Lake Michigan nearshore waters and small craft should exercise caution on the bay of Green Bay. Thunderstorms are expected Saturday afternoon through Saturday night. Any storms that develop will pose a threat to mariners. Persistent south winds and building waves may result in conditions hazardous to small craft on Lake Michigan Saturday afternoon and Saturday night. $$ Kurimski