Watches, Warnings & Advisories



2 products issued by NWS for:

Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Green Bay WI
356 AM CDT Sat Jun 21 2025

WIZ005-010>013-018>022-030-031-035>040-045-048>050-073-074-220900-
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-
356 AM CDT Sat Jun 21 2025

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

.DAY ONE...Today and Tonight

Scattered thunderstorms will impact northern WI this morning.
Large hail and damaging winds are the primary hazards.

Heat index values will reach the upper 90s to around 100 this
afternoon, especially from central to northeast WI. A Heat
Advisory is in effect beginning at noon today.

.DAYS TWO THROUGH SEVEN...Sunday through Friday

Additional thunderstorms are possible at times again next week,
with strong or severe storms possible on Monday into Monday night
with damaging winds and large hail. It is too early to determine
the severe weather risk after Monday.

Dangerous heat will continue Sunday into Monday. Low temperatures
in the 70s will provide minimal overnight relief to the heat and
humidity. A Heat Advisory remains in effect until 7 pm on Monday.

Increasing south winds and building waves will result in an
increased risk of rip currents along Lake Michigan beaches
through Monday afternoon. A Beach Hazards Statement is in effect.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed this morning.

$$



Heat Advisory

URGENT - WEATHER MESSAGE
National Weather Service Green Bay WI
343 AM CDT Sat Jun 21 2025

WIZ005-010>013-018>021-030-031-035>040-045-048>050-073-074-211800-
/O.CON.KGRB.HT.Y.0001.250621T1700Z-250624T0000Z/
Vilas-Oneida-Forest-Florence-Northern Marinette County-Lincoln-
Langlade-Menominee-Northern Oconto County-Marathon-Shawano-Wood-
Portage-Waupaca-Outagamie-Brown-Kewaunee-Waushara-Winnebago-
Calumet-Manitowoc-Southern Marinette County-Southern Oconto
County-
Including the cities of Rhinelander, Little Suamico, Two Rivers,
Niagara, Neenah, Clintonville, Eagle River, Appleton, Crivitz,
Wautoma, Chilton, Waupaca, Brillion, Loomis, Oshkosh, Wausau,
Crandon, Spread Eagle, Manitowoc, Wausaukee, Porterfield,
Mountain, High Falls Reservoir, Brookside, Kewaunee, Peshtigo,
Middle Inlet, Pensaukee, Lakewood, Plover, Merrill, Townsend,
Shawano, Keshena, Menasha, New London, Marshfield, Harmony, Lac
Du Flambeau, Commonwealth, Aurora, Sobieski, Redgranite, New
Holstein, Luxemburg, Stevens Point, Tomahawk, Wisconsin Rapids,
Green Bay, Oconto, Antigo, and Neopit
343 AM CDT Sat Jun 21 2025

...HEAT ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 7 PM CDT
MONDAY...

* WHAT...Heat index values of 95 to 105 expected this afternoon and
  Sunday afternoon, with values of 90 to 95 on Monday afternoon. The
  highest heat indexes will occur from central Wisconsin to
  northeast Wisconsin. Low temperatures in the mid to upper 70s
  tonight and Sunday night will provide minimal relief from the heat
  and humidity.

* WHERE...Portions of central, east central, north central, and
  northeast Wisconsin.

* WHEN...From noon today to 7 PM CDT Monday.

* IMPACTS...Hot temperatures and high humidity may cause heat
  illnesses.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.

Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.

&&

$$

For more information, visit us at http://www.weather.gov/GreenBay

JLA