Hazard Report Provided By forecast.weather.gov

URGENT - WEATHER MESSAGE
National Weather Service Green Bay WI
248 AM CDT Wed Jul 15 2026

WIZ035>039-045-048>050-151900-
/O.CON.KGRB.HT.Y.0003.000000T0000Z-260716T0200Z/
Wood-Portage-Waupaca-Outagamie-Brown-Waushara-Winnebago-Calumet-
Manitowoc-
Including the cities of Brillion, Wisconsin Rapids, Green Bay, New
London, Wautoma, New Holstein, Redgranite, Stevens Point, Oshkosh,
Manitowoc, Two Rivers, Appleton, Menasha, Waupaca, Marshfield,
Neenah, Chilton, Plover, and Clintonville
248 AM CDT Wed Jul 15 2026

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM CDT THIS EVENING...

* WHAT...Heat index values up to 100.

* WHERE...Portage, Waushara, Wood, Calumet, Manitowoc, Winnebago,
  Brown, Outagamie, and Waupaca Counties.

* WHEN...Until 9 PM CDT this evening.

* 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.

To reduce risk during outdoor work, the Occupational Safety and
Health Administration recommends scheduling frequent rest breaks in
shaded or air conditioned environments. Anyone overcome by heat
should be moved to a cool and shaded location. Heat stroke is an
emergency! Call 9 1 1.

&&

$$

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

GK

WIZ005-010>013-018>022-030-031-035>040-045-048>050-073-074-161715-
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-
Including the cities of Eagle River, Lac Du Flambeau,
Rhinelander, Crandon, Aurora, Commonwealth, Spread Eagle,
Niagara, Wausaukee, Merrill, Tomahawk, Antigo, Keshena, Neopit,
Mountain, Lakewood, Townsend, Sturgeon Bay, Fish Creek,
Sister Bay, Wausau, Shawano, Marshfield, Wisconsin Rapids,
Stevens Point, Plover, New London, Waupaca, Clintonville,
Appleton, Green Bay, Kewaunee, Luxemburg, Redgranite, Wautoma,
Oshkosh, Neenah, Menasha, Chilton, Brillion, New Holstein,
Manitowoc, Two Rivers, Harmony, Peshtigo, Porterfield, Crivitz,
High Falls Reservoir, Loomis, Middle Inlet, Little Suamico,
Sobieski, Brookside, Oconto, and Pensaukee
246 AM CDT Wed Jul 15 2026

The Wisconsin Department of Natural Resources has issued an Air
Quality Advisory for the following counties: Brown, Calumet,
Door, Florence, Forest, Kewaunee, Langlade, Lincoln, Manitowoc,
Marathon, Marinette, Menominee, Oconto, Oneida, Outagamie,
Portage, Shawano, Sheboygan, Vilas, Waupaca, Waushara, Winnebago,
Wood

WHAT...The PM2.5 AQI (24-hour average) is expected to reach the
Unhealthy for Sensitive Groups (Orange) to Very Unhealthy
(Purple) level. Hazardous (Maroon) NowCast AQI (1-hour average)
will be possible.

WHERE...Statewide.

WHEN...until noon Thursday.

Precautionary/Preparedness Actions:

For Very Unhealthy (Purple) AQI:
Sensitive groups: Avoid all physical activity outdoors.
Reschedule to a time when air quality is better or move
activities indoors.
People with asthma: Follow your asthma action plan and keep
quick-relief medicine handy.
People with heart disease: Symptoms such as palpitations,
shortness of breath, or unusual fatigue may indicate a serious
problem. If you have any of these, contact your health care
provider.
Everyone else: Limit outdoor physical activity. Go indoors if you
have symptoms.

For Unhealthy (Red) AQI:
Sensitive groups: Consider rescheduling or moving all activities
inside. Go inside if you have symptoms.
People with asthma: Follow your asthma action plan and keep
quick-relief medicine handy.
People with heart disease: Symptoms such as palpitations,
shortness of breath, or unusual fatigue may indicate a serious
problem. If you have any of these, contact your health care
provider.
Everyone else: Keep outdoor activities shorter and less intense.
Go inside if you have symptoms.

For Unhealthy for Sensitive Groups (Orange) AQI:
Sensitive groups: Make outdoor activities shorter and less
intense. It is OK to be active outdoors but take more breaks.
Watch for symptoms such as coughing or shortness of breath.
People with asthma: Follow your asthma action plan and keep quick
relief medicine handy.
People with heart disease: Symptoms such as palpitations,
shortness of breath, or unusual fatigue may indicate a serious
problem. If you have any of these, contact your health care
provider.

Additional Details:
THIS ADVISORY WILL BE RE-EVALUATED THURSDAY MORNING AND WILL
LIKELY BE EXTENDED FOR AT LEAST SOME PORTION OF THE STATE BEYOND
NOON THURSDAY.

Smoke from wildfires in Minnesota and Ontario will enter northern
WI between 8 p.m. and midnight Tuesday night. The smoke will push
south, approximately reaching an Eau Claire to Sheboygan line by
noon Wednesday. Smoke will continue south-southwest,
approximately reaching a La Crosse to Janesville line by midnight
Wednesday night. Statewide impacts will be possible by 6 a.m.
Thursday. The heaviest smoke impacts, including the potential for
Hazardous (Maroon) NowCast AQI, are expected across northwest
Wisconsin, especially in communities along Lake Superior. Lake
enhanced smoke concentrations will also be possible for
communities near Lake Michigan.

For more information on current air quality, please see:
https://airquality.wi.gov



$$

Hazardous Weather Outlook
National Weather Service Green Bay WI
236 AM CDT Wed Jul 15 2026

WIZ005-010>013-018>022-030-031-035>040-045-048>050-073-074-160745-
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-
236 AM CDT Wed Jul 15 2026

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

.DAY ONE...Today and Tonight

Dangerous heat indices as high as 100 expected across parts of
central into east-central Wisconsin today.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday

There is a chance of thunderstorms Thursday afternoon through
Saturday. It is too early to determine their severity.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed today or tonight.

$$

Hazard Report Provided By forecast.weather.gov