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Hazardous Weather Outlook for Green Bay, WI
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037 FLUS43 KGRB 151044 HWOGRB Hazardous Weather Outlook National Weather Service Green Bay WI 544 AM CDT Tue Sep 15 2026 WIZ005-010>013-018>022-030-031-035>040-045-048>050-073-074-161045- 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- 544 AM CDT Tue Sep 15 2026 This Hazardous Weather Outlook is for north-central and northeast Wisconsin. .DAY ONE...Today and Tonight There is a chance of thunderstorms early this morning, but severe weather is not expected. However, locally heavy rainfall may lead to isolated flooding in urban and low lying areas. A high risk of rip currents will continue on Lake Michigan beaches through late this afternoon or early this evening. .DAYS TWO THROUGH SEVEN...Wednesday through Monday Additional chances of thunderstorms are expected later this week into the weekend. The risk of severe weather is low. .SPOTTER INFORMATION STATEMENT... Spotters are requested to report rainfall amounts and peak wind gusts to the National Weather Service in Green Bay. $$ LMZ521-522-541>543-161045- The Bay of Green Bay south of a line from Cedar River MI to Rock Island Passage-Lake Michigan from Washington Island to Sheboygan- 544 AM CDT Tue Sep 15 2026 This Hazardous Weather Outlook is for portions of northwest Lake Michigan and the waters of Green Bay. .DAY ONE...Today and Tonight Hazardous boating conditions will continue today on the Bay and Lake. A Small Craft Advisory is in effect until late this afternoon on the Bay and early this evening on the Lake. There is a chance of thunderstorms early this morning that may pose a hazard for mariners. .DAYS TWO THROUGH SEVEN...Wednesday through Monday Thunderstorms are possible this weekend at times that may pose a hazard for mariners. Conditions hazardous to small craft are expected at times from Friday night through Sunday. $$ MPC |
Previous Hazardous Weather Outlooks may be found at
NWS Green Bay, WI (GRB) Office Hazardous Weather Outlooks.
(Click 'Previous Version' there to view past versions successively.
Some may differ only in time posted.)
Products Courtesy of NOAA-NWS
NWS Information Parsing Script by Ken True at Saratoga Weather - WFO and Products Scripts by SE Lincoln Weather.
Mapping by Curly at Michiana Weather and by Tom at My Mishawaka Weather.
