Hazard Report Provided By forecast.weather.gov

URGENT - WEATHER MESSAGE
National Weather Service Green Bay WI
243 AM CDT Mon Jul 13 2026

WIZ005-010>013-018>022-030-031-035>040-045-048>050-073-074-131545-
/O.CON.KGRB.HT.Y.0003.260713T1600Z-260715T0200Z/
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 Sister Bay, Harmony, Wausau, Oshkosh, Loomis,
New London, Two Rivers, High Falls Reservoir, Lakewood, Wautoma, New
Holstein, Crivitz, Tomahawk, Sobieski, Chilton, Lac Du Flambeau,
Aurora, Commonwealth, Spread Eagle, Redgranite, Manitowoc, Shawano,
Sturgeon Bay, Kewaunee, Neopit, Rhinelander, Pensaukee, Peshtigo,
Menasha, Oconto, Wisconsin Rapids, Stevens Point, Luxemburg, Merrill,
Fish Creek, Neenah, Crandon, Wausaukee, Plover, Porterfield,
Clintonville, Appleton, Mountain, Eagle River, Brillion, Antigo,
Waupaca, Keshena, Marshfield, Middle Inlet, Little Suamico, Niagara,
Brookside, Townsend, and Green Bay
243 AM CDT Mon Jul 13 2026

...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 9 PM
CDT TUESDAY...

* WHAT...Heat index values of 95 to 105 expected. Highest heat index
  values in far northeast Wisconsin. Overnight heat indices will drop
  to 70 to 75 degrees, which will still be hazardous for anyone
  without shelter after the heat in the afternoon.

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

* WHEN...From 11 AM this morning to 9 PM CDT Tuesday.

* 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

Eckberg

Hazardous Weather Outlook
National Weather Service Green Bay WI
151 AM CDT Mon Jul 13 2026

WIZ005-010>013-018>022-030-031-035>040-045-048>050-073-074-140700-
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-
151 AM CDT Mon Jul 13 2026

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

.DAY ONE...Today and Tonight

Isolated thunderstorms are possible until sunrise across northern
Door County. Severe weather is not anticipated.

Hot conditions are expected today with highs in the 90s to around
100F. Heat indices will climb into the middle 90s to 105F.
These conditions are likely to result in heat related impacts.

Little relief in the heat is expected tonight as heat indices are
expected to drop below 75F for just a few hours. A Heat Advisory
is in effect.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

The heat wave will peak on Tuesday with highs again in the 90s to
around 100F. Heat indices should climb into the mid 90s up to
105F. A second day of these high readings will like result in
additional heat related impacts. The Heat Advisory is in effect
until 9 pm Tuesday.

It will still be hot on Wednesday and Thursday with highs a few
degrees either side of 90F. Heat indices will climb into the
upper 80s to middle 90s both days.

There is a chance of thunderstorms later this week into next
weekend. It is too early to determine their severity.

.SPOTTER INFORMATION STATEMENT...

Spotters activation will not be needed today or tonight.

$$

Hazard Report Provided By forecast.weather.gov