National Weather Service Weather Forecast Office

• Home
• Site Map
• News
• Organization
• Search for: NWS All NOAA 

000
FLUS43 KGRB 200837
HWOGRB

Hazardous Weather Outlook
National Weather Service Green Bay WI
337 AM CDT Tue Jun 20 2017

WIZ005-010>013-018>022-030-031-035>040-045-048>050-073-074-210845-
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-
337 AM CDT Tue Jun 20 2017

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

.DAY ONE...Today and Tonight

There is a chance of thunderstorms today, but severe weather is
not expected at this time.

Due to recent heavy rains, many streams and rivers are flowing
faster than normal. Boaters and fishermen should use caution due
to fast flows.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

Thunderstorms are expected Wednesday evening into Thursday
morning. There is a marginal risk of severe storms Wednesday
night, mainly southwest of a line from Rhinelander to Green Bay.
Large hail and damaging winds are expected to be the main severe
threats.

Another round of thunderstorms are forecast for Thursday afternoon
into Thursday night as a cold front slowly settles to the south.
There is a marginal risk of severe storms, mainly south of a line
from Marshfield to Green Bay. Large hail and damaging winds are
again the primary threats.

Thunderstorms are possible during the upcoming weekend into early
next week, primarily during the afternoon hours. It is too early
to determine whether any of these storms could become severe.

.SPOTTER INFORMATION STATEMENT...

Spotter activation should not be needed today or tonight.

$$

LMZ521-522-541>543-210845-
The Bay of Green Bay south of a line from Cedar River MI to Rock
Island Passage-Lake Michigan from Washington Island to Sheboygan-
337 AM CDT Tue Jun 20 2017

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

.DAY ONE...Today and Tonight

There is a chance of thunderstorms today, but severe weather is
not expected at this time.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

Thunderstorms are expected Wednesday night into Thursday morning.
These storms could produce strong winds and large hail.

Thunderstorms are also forecast for Thursday afternoon into
Thursday night. Strong winds and large hail are again possible.

Thunderstorms are possible during the upcoming weekend into Monday,
but it is too early to tell if they will become severe.

$$

RDM/AK