National Weather Service United States Department of Commerce

Three Weather Areas of Concern Today

Potential Tropical Cyclone Three will gradually approach the northern Gulf Coast with heavy rain and potential flooding. Meanwhile, a sharp cold front will produce severe thunderstorms with significant winds, hail, tornadoes and possible flooding across the Ohio Valley. Finally, a large dome of high pressure will continue the major heat wave over the West, extending into the central Plains. Read More >

Winter Weather Monitor
Note:  Refresh or reload page to update images and data.

Local radar loop
Upper Miss Valley radar Great Lakes radar
Upper Miss Valley Great Lakes/Ohio Valley
 NWS Green Bay Radar
Click for bigger view
 Regional Radar Mosaics
Click for bigger view


Northeast Wisconsin watch/warning/advisories

Latest WI Winter Weather Alerts


Special Weather Statement

Storm Reports

Winter Storm Info and Maps

U.S. Watch/Warning/Advisory page
Northeast Wisconsin Watch/Warning/Advisories
Click for bigger view
Weather Info
Click links to view
 U.S. Watch/Warning/Advisories
Click for bigger view


Hazardous Weather Outlook
Note:  Product updated daily by 6 AM and as needed during the day.

FLUS43 KGRB 181937

Hazardous Weather Outlook
National Weather Service Green Bay WI
237 PM CDT Fri Jun 18 2021

Vilas-Oneida-Forest-Florence-Northern Marinette County-Lincoln-
Langlade-Menominee-Northern Oconto County-Door-Marathon-Shawano-
Calumet-Manitowoc-Southern Marinette County-
Southern Oconto County-
237 PM CDT Fri Jun 18 2021

This Hazardous Weather Outlook is for north-central and northeast

.DAY ONE...Tonight

Abnormally dry conditions, relative humidity values dropping to
around 20 percent and winds gusting to 20 mph will lead to
increased fire danger across portions of the Northwoods into the
early evening.

.DAYS TWO THROUGH SEVEN...Saturday through Friday

Thunderstorms are likely Sunday into Sunday night. Some of the
thunderstorms may become strong with small hail and gusty winds


Spotter activation will not be needed tonight.


The Bay of Green Bay south of a line from Cedar River MI to Rock
Island Passage-Lake Michigan from Washington Island to Sheboygan-
237 PM CDT Fri Jun 18 2021

This Hazardous Weather Outlook is for portions of northwest Lake
Michigan and the waters of Green Bay.

.DAY ONE...Tonight

No hazardous weather is expected.

.DAYS TWO THROUGH SEVEN...Saturday through Friday

Conditions hazardous to small craft are possible Sunday into
Monday on both the Lake and Bay.

There is a chance of thunderstorms Sunday into Sunday night.
Any storms that form will pose a hazard to boaters.




Winter Weather Message
Note:  Product issued only as needed -- Make sure date on product matches today's date.