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FLUS43 KGRB 281945

HWOGRB



Hazardous Weather Outlook

National Weather Service Green Bay WI

245 PM CDT Sun Jun 28 2026



WIZ005-010>013-018>022-030-031-035>040-045-048>050-073-074-291945-

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-

245 PM CDT Sun Jun 28 2026



This Hazardous Weather Outlook is for north-central and northeast

Wisconsin.



.DAY ONE...Tonight



There is a chance for strong to severe thunderstorms late 

tonight. The main hazards would be damaging winds, large hail, 

and heavy rainfall.



.DAYS TWO THROUGH SEVEN...Monday through Sunday



Multiple days of high heat and humidity along with very warm nighttime

lows will result in heat-related impacts much of next week. The 

most oppressive heat and humidity will likely be Monday and/or 

Tuesday. An Extreme Heat Warning is in effect Monday afternoon 

and evening for central Wisconsin and the Fox Valley. A Heat

Advisory is in effect north 



Periodic chances for thunderstorms will last through much of next

week. There will be a risk for strong to severe storms Monday 

night over northern Wisconsin and across the entire area Tuesday

and Tuesday night. The main hazards will be damaging winds, large

hail, and heavy rain. 



Additional rounds of storms are expected Wednesday through late 

this week. Though details are not yet known, the pattern would 

support strong or severe storms.



There will be an increased risk of rip currents at Lake Michigan

beaches Monday morning through Tuesday.



.SPOTTER INFORMATION STATEMENT...



Spotter activation may be needed tonight.



$$



LMZ521-522-541>543-291945-

The Bay of Green Bay south of a line from Cedar River MI to Rock

Island Passage-Lake Michigan from Washington Island to Sheboygan-

245 PM CDT Sun Jun 28 2026



This Hazardous Weather Outlook is for portions of northwest Lake

Michigan and the waters of Green Bay.



.DAY ONE...Tonight



Thunderstorms are possible tonight. Any thunderstorms would pose a

hazard to mariners.



.DAYS TWO THROUGH SEVEN...Monday through Sunday



Periodic chances for thunderstorms will last through much of the

upcoming week. Some of these storms could be strong or severe. 

Any thunderstorm would pose a hazard to mariners.



Conditions hazardous to small craft are expected Monday morning 

through Tuesday Night on Lake Michigan due to gusty southerly 

winds and building waves.



$$



Uhlmann