Alert archive / Wisconsin / Winter Storm Watches in 2026

Winter Storm Watch 2, NWS Green Bay, WI

March 12, 202622 counties in Wisconsin

NWS Green Bay, WI issued this winter storm watch at Mar 12, 2026, 2:38 PM CDT for 22 counties in Wisconsin. It took effect at Mar 14, 2026, 7:00 PM CDT. It was in force for .

The area

The counties it named.

The facts

Issued
Mar 12, 2026, 2:38 PM CDT (19:38 UTC)
In effect from
Mar 14, 2026, 7:00 PM CDT
Expired
Mar 13, 2026, 12:59 PM CDT
In force
Issued by
NWS Green Bay, WI
All 22 counties

Brown County, WI, Calumet County, WI, Door County, WI, Florence County, WI, Forest County, WI, Kewaunee County, WI, Langlade County, WI, Lincoln County, WI, Manitowoc County, WI, Marathon County, WI, Marinette County, WI, Menominee County, WI, Oconto County, WI, Oneida County, WI, Outagamie County, WI, Portage County, WI, Shawano County, WI, Vilas County, WI, Waupaca County, WI, Waushara County, WI, Winnebago County, WI, Wood County, WI

The radar

The Green Bay radar (KGRB), 63 km from the middle of the area, began a volume at 19:36 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What forecasters said that day

The local office's own words before this winter storm watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Green Bay, WI wrote its last area forecast discussion before this winter storm watch went out at Mar 12, 1:40 PM CDT, 58 minutes earlier.

Area forecast discussion, Mar 12, 1:40 PM CDT, 58 minutes before
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Hazardous weather outlook, Mar 12, 3:19 AM CDT, 11 hours 19 minutes before
Hazardous Weather Outlook
National Weather Service Green Bay WI
319 AM CDT Thu Mar 12 2026

WIZ005-010>013-018>022-030-031-035>040-045-048>050-073-074-130830-
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-
319 AM CDT Thu Mar 12 2026

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

.DAY ONE...Today and Tonight

Hazardous travel is likely this evening as accumulating snowfall
and strong winds return. Visibility may be limited at times and
see rapid reductions from the evening to early overnight period.
Winter Storm Warnings and Winter Weather Advisories are in effect
for areas across northern Wisconsin.

Strong winds will be possible late tonight through Friday, with
periodic gusts up to 40 to 50 mph. A Wind Advisory is in effect
across much of central to east-central Wisconsin.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

Hazardous travel conditions will still be present Friday morning
from snowfall overnight. Wind gusts will also remain high, so
rapid reductions in visibility will be possible for the morning
commute.

A major snow event is likely this weekend with a 60 to 80%
probability of snowfall amounts of at least 12 inches across much
of central to east-central Wisconsin, along with strong winds.
Those with travel plans should monitor the weather closely and
start to consider alternative plans.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed tonight.

LMZ521-522-541>543-130830-
The Bay of Green Bay south of a line from Cedar River MI to Rock
Island Passage-Lake Michigan from Washington Island to Sheboygan-
319 AM CDT Thu Mar 12 2026

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

.DAY ONE...Today and Tonight

Gale force gusts are expected to develop across the Lake Michigan
nearshore areas this evening.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

Gale force gusts are likely (50-80% chance) Friday, and again
Sunday into Monday.

Uhlmann

The office that day

Everything else NWS Green Bay, WI issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 11, 9:34 PM CDTGale WatchGRB6 hr
Mar 12, 1:39 AM CDTWind AdvisoryGRBBrown, Calumet, Kewaunee, Manitowoc, Outagamie, Portage and 4 more40 hr
Mar 12, 1:42 AM CDTWinter Storm WarningGRBDoor, Florence, Forest, Langlade, Lincoln, Marinette and 4 more35 hr
Mar 12, 1:42 AM CDTWinter Weather AdvisoryGRBDoor, Marathon, Oconto, Shawano35 hr
Mar 12, 3:28 AM CDTGale WarningGRB40 hr

Nearby

Winter Storm Watches in Wisconsin, 2026Every winter storm watch in 2026

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.