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Heat Advisory


URGENT - WEATHER MESSAGE
National Weather Service Green Bay WI
234 AM CDT Mon Jun 23 2025

WIZ005-010-011-018-019-231700-
/O.CON.KGRB.HT.Y.0001.000000T0000Z-250623T1700Z/
Vilas-Oneida-Forest-Lincoln-Langlade-
Including the cities of Antigo, Crandon, Tomahawk, Rhinelander,
Eagle River, Merrill, and Lac Du Flambeau
234 AM CDT Mon Jun 23 2025

...HEAT ADVISORY REMAINS IN EFFECT UNTIL NOON CDT TODAY...

* WHAT...Heat index values will rise to near 90 by late this
  morning, but will then decrease as showers and storms move through
  the area this afternoon. Low temperatures in the mid to upper 70s
  this morning will provide minimal relief from the heat and
  humidity.

* WHERE...Langlade, Lincoln, Oneida, Vilas, and Forest Counties.

* WHEN...Until noon CDT today.

* 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 action when
you see symptoms of heat exhaustion and heat stroke.

&&

$$

URGENT - WEATHER MESSAGE
National Weather Service Green Bay WI
234 AM CDT Mon Jun 23 2025

WIZ012-013-020-021-030-031-035>040-045-048>050-073-074-231715-
/O.CON.KGRB.HT.Y.0001.000000T0000Z-250624T0000Z/
Florence-Northern Marinette County-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 Appleton, Menasha, Keshena, New Holstein,
Two Rivers, Little Suamico, Spread Eagle, Manitowoc, Sobieski,
Wausaukee, Crivitz, Lakewood, Brillion, Oshkosh, Mountain, Green
Bay, Neopit, Chilton, New London, Wautoma, Pensaukee, High Falls
Reservoir, Stevens Point, Wisconsin Rapids, Clintonville,
Niagara, Kewaunee, Plover, Townsend, Commonwealth, Harmony,
Marshfield, Luxemburg, Oconto, Wausau, Loomis, Redgranite, Middle
Inlet, Aurora, Shawano, Waupaca, Peshtigo, Brookside,
Porterfield, and Neenah
234 AM CDT Mon Jun 23 2025

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING...

* WHAT...Heat index values of 95 to 102 degrees expected this
  afternoon. The highest heat indices today will occur from the Fox
  Valley all the way to the lakeshore due to gusty southwest winds.
  Low temperatures near 80 this morning will provide minimal relief
  from the heat and humidity.

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

* WHEN...Until 7 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. Take action when
you see symptoms of heat exhaustion and heat stroke.

&&

$$

URGENT - WEATHER MESSAGE
National Weather Service Green Bay WI
234 AM CDT Mon Jun 23 2025

WIZ022-231715-
/O.CON.KGRB.HT.Y.0001.000000T0000Z-250624T0000Z/
Door-
Including the cities of Sister Bay, Sturgeon Bay, and Fish Creek
234 AM CDT Mon Jun 23 2025

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING...

* WHAT...Heat index values of 95 to 102 expected this afternoon.
  More of the county will see the higher heat indices today as winds
  will be from the southwest. Low temperatures this morning in the
  mid to upper 70s will provide minimal relief from the heat and
  humidity.

* WHERE...Door County.

* WHEN...Until 7 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. Take action when
you see symptoms of heat exhaustion and heat stroke.

&&

$$

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

JLA

URGENT - WEATHER MESSAGE
National Weather Service Grand Rapids MI
334 AM EDT Mon Jun 23 2025

MIZ037>040-043>046-050>052-056>059-064>067-071>074-231545-
/O.CON.KGRR.HT.Y.0001.000000T0000Z-250624T0000Z/
Mason-Lake-Osceola-Clare-Oceana-Newaygo-Mecosta-Isabella-Muskegon-
Montcalm-Gratiot-Ottawa-Kent-Ionia-Clinton-Allegan-Barry-Eaton-
Ingham-Van Buren-Kalamazoo-Calhoun-Jackson-
Including the cities of Alma, Baldwin, South Haven, Ionia,
Holland, Ludington, Mount Pleasant, Lansing, Greenville, Grand
Rapids, Big Rapids, Jenison, Reed City, Kalamazoo, Hart, St.
Johns, Charlotte, Jackson, Hastings, Grand Haven, Muskegon,
Battle Creek, Fremont, and Clare
334 AM EDT Mon Jun 23 2025

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING...

* WHAT...Heat index values up to 101.

* WHERE...Portions of central, south central, southwest, and west
  central Michigan.

* WHEN...Until 8 PM EDT 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.

Make sure pets have plenty of water.

&&

$$

04

URGENT - WEATHER MESSAGE
National Weather Service Gaylord MI
316 AM EDT Mon Jun 23 2025

MIZ016>018-020>036-041-042-099-231930-
/O.CON.KAPX.HT.Y.0001.000000T0000Z-250624T0000Z/
Emmet-Cheboygan-Presque Isle-Leelanau-Antrim-Otsego-Montmorency-
Alpena-Benzie-Grand Traverse-Kalkaska-Crawford-Oscoda-Alcona-
Manistee-Wexford-Missaukee-Roscommon-Ogemaw-Iosco-Gladwin-Arenac-
Charlevoix-
316 AM EDT Mon Jun 23 2025

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING...

* WHAT...High temperatures in the lower and middle 90s. The
  combination of heat and humidity will result in heat indices of 95
  to 104 degrees during the afternoon hours.

* WHERE...A portion of Northern Lower Michigan.

* WHEN...Until 8 PM EDT this evening.

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

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.

&&

$$

FEF

URGENT - WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
916 PM CDT Sun Jun 22 2025

WIZ046-047-051-052-056>060-062>065-067>070-231030-
/O.CON.KMKX.HT.Y.0001.000000T0000Z-250624T0000Z/
Marquette-Green Lake-Fond du Lac-Sheboygan-Sauk-Columbia-Dodge-
Washington-Ozaukee-Iowa-Dane-Jefferson-Waukesha-Lafayette-Green-
Rock-Walworth-
Including the cities of Belmont, Sauk City, Menomonee Falls,
Plymouth, Darlington, Prairie Du Sac, Lake Wisconsin, Hartford,
Watertown, Waukesha, Shullsburg, Baraboo, Oxford, Grafton,
Delavan, Berlin, Madison, Mequon, Dodgeville, Jefferson,
Montello, Barneveld, Elkhorn, Beaver Dam, Waupun, Germantown,
Columbus, Howards Grove, West Bend, New Berlin, Reedsburg,
Westfield, Endeavor, Muskego, Blanchardville, Lodi, Fort
Atkinson, Argyle, Janesville, Mineral Point, Lake Geneva, East
Troy, Whitewater, Portage, Benton, Neshkoro, Mayville, Sheboygan
Falls, Princeton, Oostburg, Monroe, Brodhead, Markesan, Fond Du
Lac, Beloit, Brookfield, and Cedarburg
916 PM CDT Sun Jun 22 2025

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT MONDAY...

* WHAT...Heat index values up to 102 degrees.

* WHERE...Portions of east central, south central, and southeast
  Wisconsin.

* WHEN...Until 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.

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.

&&

$$

WOOD

URGENT - WEATHER MESSAGE
National Weather Service La Crosse WI
834 PM CDT Sun Jun 22 2025

IAZ011-029-030-WIZ042>044-053>055-061-231200-
/O.CON.KARX.HT.Y.0001.000000T0000Z-250624T0000Z/
Allamakee-Fayette-Clayton-Monroe-Juneau-Adams-Vernon-Crawford-
Richland-Grant-
Including the cities of Waukon, Tomah, Mauston, Richland Center,
Friendship, Prairie Du Chien, Sparta, Platteville, Elkader,
Oelwein, and Viroqua
834 PM CDT Sun Jun 22 2025

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT MONDAY...

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

* WHERE...In Iowa, Allamakee, Clayton, and Fayette Counties. In
  Wisconsin, Adams, Juneau, Crawford, Grant, Richland, Vernon, and
  Monroe Counties.

* WHEN...Until 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.

&&

$$

Rieck

U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: June 2, 2009
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