Winter Weather Monitor

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

Upper Mississippi 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

Short-Term
Forecast

Special Weather Statement

Storm Reports

Additional
Winter Storm Info and Maps

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.}

115
FLUS43 KGRB 121153 AAA
HWOGRB

Hazardous Weather Outlook...UPDATED
National Weather Service Green Bay WI
653 AM CDT Wed Aug 12 2026

WIZ005-010>013-018>022-030-031-035>040-045-048>050-073-074-131200-
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-
653 AM CDT Wed Aug 12 2026

This Hazardous Weather Outlook is for north-central and northeast
Wisconsin.

.DAY ONE...Rest of today and tonight

Isolated storms may occur late this afternoon into this evening
especially over northeast WI. No severe storms are expected.

Fog may be locally dense this morning near the lakeshore and near
the bay, including over Door County.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday

Small chances for thunderstorms continue Thursday with additional
thunderstorms possible over the weekend. The risk for organized
severe weather is low, though the potential for heavy rain and at
least isolated flash flooding has increased Saturday into Saturday
night.

.SPOTTER INFORMATION STATEMENT...

Spotters are requested to report any large hail, wind damage, and
flooding to the National Weather Service in Green Bay. However, spotter
activation will not be needed today or tonight.

$$

LMZ521-522-541>543-131200-
The Bay of Green Bay south of a line from Cedar River MI to Rock
Island Passage-Lake Michigan from Washington Island to Sheboygan-
653 AM CDT Wed Aug 12 2026

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

.DAY ONE...Today and Tonight

Isolated thunderstorm are possible late this afternoon into early
this evening on the bay. Any thunderstorm could pose a hazard to
mariners.

Areas of dense fog are expected this morning. A Marine Dense Fog
Advisory is in effect until noon for the Lake Michigan waters south
of Sturgeon Bay.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday

Small chances for thunderstorms are expected on Thursday. Additional
thunderstorms are possible over the weekend, with heavy rain looking
like the main hazard. Any thunderstorm could pose a hazard to mariners.

$$

JLA

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