Heat Advisory
URGENT - WEATHER MESSAGE
National Weather Service Indianapolis IN
948 AM EDT Sun Jun 28 2026
INZ021-028>031-035>049-051>057-060>065-067>072-282200-
/O.CON.KIND.HT.Y.0001.260629T1600Z-260703T0000Z/
Carroll-Warren-Tippecanoe-Clinton-Howard-Fountain-Montgomery-
Boone-Tipton-Hamilton-Madison-Delaware-Randolph-Vermillion-Parke-
Putnam-Hendricks-Marion-Hancock-Henry-Vigo-Clay-Owen-Morgan-
Johnson-Shelby-Rush-Sullivan-Greene-Monroe-Brown-Bartholomew-
Decatur-Knox-Daviess-Martin-Lawrence-Jackson-Jennings-
Including the cities of Jasonville, Fishers, Farmland, Carmel,
Seymour, Greenfield, Terre Haute, Linton, Martinsville, Sullivan,
Carlisle, Montezuma, Union City, Danville, Worthington, Brazil,
Franklin, New Castle, Tipton, Vincennes, Anderson, Bloomington,
Covington, Veedersburg, Frankfort, Clinton, Greencastle,
Farmersburg, Plainfield, Indianapolis, Bedford, Nashville,
Rushville, Kokomo, Columbus, Flora, Greenwood, Attica,
Crawfordsville, Brownsburg, Bloomfield, Muncie, Fairview Park,
Rockville, Shelburn, Mitchell, Lebanon, Zionsville, Shoals,
Greensburg, Lafayette, Williamsport, Spencer, Mooresville,
Winchester, Loogootee, North Vernon, Noblesville, West Lebanon,
West Lafayette, Gosport, Rosedale, Delphi, Parker City,
Shelbyville, and Washington
948 AM EDT Sun Jun 28 2026
...HEAT ADVISORY REMAINS IN EFFECT FROM NOON MONDAY TO 8 PM EDT
THURSDAY...
* WHAT...Heat index values up to 108 expected.
* WHERE...All of central Indiana.
* WHEN...From noon Monday to 8 PM EDT Thursday.
* 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.
&&
$$
50
URGENT - WEATHER MESSAGE
National Weather Service Chicago IL
247 AM CDT Sun Jun 28 2026
ILZ003>006-008-010>013-019>021-023-032-033-039-106>108-INZ001-002-
010-011-019-281800-
/O.NEW.KLOT.HT.Y.0001.260629T1700Z-260702T0300Z/
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-La
Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-Northern
Will-Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-
Benton-
Including the cities of Bradley, Portage, La Salle, Minooka,
Hammond, Merrillville, Sycamore, Coal City, Kentland, Fowler,
Mundelein, Crystal Lake, Carol Stream, Fairbury, Dwight,
Woodstock, Belvidere, Joliet, Mokena, Elgin, Morris, Gary,
Paxton, Valparaiso, Lombard, Watseka, Chesterton, Waukegan,
Gilman, Oxford, DeMotte, Oregon, Dixon, Naperville, Buffalo
Grove, DeKalb, Plainfield, Byron, Rochelle, Crete, Wilmington,
Roselawn, Morocco, Bourbonnais, Gurnee, Yorkville, Ottawa,
Marseilles, Wheaton, Plano, Beecher, Downers Grove, Oswego,
Aurora, Mendota, Pontiac, Gibson City, Peotone, Rensselaer,
Rockford, McHenry, Kankakee, Algonquin, Channahon, Bolingbrook,
Streator, and Manhattan
247 AM CDT Sun Jun 28 2026 /347 AM EDT Sun Jun 28 2026/
...HEAT ADVISORY IN EFFECT FROM NOON CDT /1 PM EDT/ MONDAY TO 10 PM
CDT /11 PM EDT/ WEDNESDAY...
* WHAT...Heat index values around 105 expected each afternoon.
* WHERE...Portions of central, east central, north central, and
northeast Illinois and northwest Indiana.
* WHEN...From noon CDT /1 PM EDT/ Monday to 10 PM CDT /11 PM EDT/
Wednesday.
* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
&&
$$
Extreme Heat Watch
URGENT - WEATHER MESSAGE
National Weather Service Grand Rapids MI
231 AM EDT Sun Jun 28 2026
MIZ037>040-043>046-050>052-056>059-064>067-071>074-290015-
/O.NEW.KGRR.XH.A.0001.260629T1800Z-260703T0000Z/
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 Fremont, Grand Rapids, Grand Haven,
Charlotte, Muskegon, Lansing, Mount Pleasant, Greenville, Reed
City, St. Johns, South Haven, Baldwin, Ludington, Holland,
Kalamazoo, Jenison, Alma, Hart, Battle Creek, Ionia, Clare, Big
Rapids, Hastings, and Jackson
231 AM EDT Sun Jun 28 2026
...EXTREME HEAT WATCH IN EFFECT FROM MONDAY AFTERNOON THROUGH
THURSDAY EVENING...
* WHAT...Dangerously hot and humid conditions expected Monday
through Thursday.
* WHERE...Portions of central, south central, southwest, and west
central Michigan.
* WHEN...From Monday afternoon through Thursday evening.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat and high humidity events.
* ADDITIONAL DETAILS...Heat and humidity will begin building in
Monday...with Tuesday through Thursday expected to be the hottest
days this week. This multi-day stretch of heat and humidity will
bring high temperatures at least in the mid 90s with overnight
lows in the mid to upper 70s. Dangerously hot conditions with heat
index values over 100 are expected with values over 110 possible...
especially Tuesday through Thursday. Hot and humid nights will
bring little to no relief from daytime heat and humidity this week.
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.
Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.
Farmers should take action now to protect vulnerable populations of
livestock, poultry and equines.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Northern Indiana
216 AM EDT Sun Jun 28 2026
INZ005>009-012>015-017-018-020-022>027-032>034-103-104-116-203-204-
216-MIZ078>081-177-277-OHZ001-002-004-005-015-016-024-025-290030-
/O.NEW.KIWX.XH.A.0001.260629T1800Z-260703T0000Z/
Elkhart-Lagrange-Steuben-Noble-De Kalb-Starke-Pulaski-Marshall-
Fulton IN-Whitley-Allen IN-White-Cass IN-Miami-Wabash-Huntington-
Wells-Adams-Grant-Blackford-Jay-Northern La Porte-Eastern St.
Joseph IN-Northern Kosciusko-Southern La Porte-Western St. Joseph
IN-Southern Kosciusko-Cass MI-St. Joseph MI-Branch-Hillsdale-
Northern Berrien-Southern Berrien-Williams-Fulton OH-Defiance-
Henry-Paulding-Putnam-Van Wert-Allen OH-
216 AM EDT Sun Jun 28 2026 /116 AM CDT Sun Jun 28 2026/
...EXTREME HEAT WATCH IN EFFECT FROM MONDAY AFTERNOON THROUGH
THURSDAY EVENING...
* WHAT...Dangerously hot conditions with heat index values up to 105
possible. Daily high temperatures in the 90s.
* WHERE...Portions of northern Indiana, southwest Michigan, and
northwest Ohio.
* WHEN...From Monday afternoon through Thursday evening.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat and high humidity events.
* ADDITIONAL DETAILS...Overnight lows in the mid-70s will offer
limited relief from the heat. Additionally, heat-related impacts
may be heightened due to cooler than normal temperatures these
past two weeks.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.
&&
$$
Brown
Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service Milwaukee/Sullivan WI
716 AM CDT Sun Jun 28 2026
LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868-
870-872-874-876-878-291230-
Lake Michigan Michigan City IN to St. Joseph MI 5 NM offshore to
mid-line of lake.-
Lake Michigan from Seul Choix Point to Rock Island Passage 5NM
offshore to Mid Lake-
Lake Michigan South of a line from Seul Choix Point to the
Mackinac Bridge and North of a line from Charlevoix MI to South
Fox Island 5NM offshore-
Lake Michigan from Charlevoix to Point Betsie MI 5NM Offshore to
mid lake-
Lake Michigan from Point Betsie to Manistee MI 5NM offshore to
Mid Lake-
Lake Michigan from Rock Island Passage to Sturgeon Bay WI 5NM
offshore to mid lake-
Lake Michigan from Sturgeon Bay to Two Rivers WI 5NM offshore to
Mid Lake-
Lake Michigan from Two Rivers to Sheboygan WI 5NM offshore to Mid
Lake-
Lake Michigan from Sheboygan to Port Washington WI 5NM offshore
to Mid Lake-
Lake Michigan from Port Washington to North Point Light WI 5NM
offshore to Mid Lake-
Lake Michigan from North Point Light to Wind Point WI 5NM
offshore to Mid Lake-
Lake Michigan from Wind Point WI to Winthrop Harbor IL 5NM
offshore to Mid Lake-
Lake Michigan from Winthrop Harbor to Wilmette Harbor IL 5NM
offshore to Mid Lake-
Lake Michigan from Wilmette Harbor to Michigan City in 5NM
offshore to Mid Lake-
Lake Michigan from Pentwater to Manistee MI 5NM offshore to Mid
Lake-
Lake Michigan from Whitehall to Pentwater MI 5NM offshore to Mid
Lake-
Lake Michigan from Grand Haven to Whitehall MI 5NM offshore to
Mid Lake-
Lake Michigan from Holland to Grand Haven MI 5NM offshore to Mid
Lake-
Lake Michigan from South Haven to Holland MI 5NM offshore to Mid
lake-
Lake Michigan from St Joseph to South Haven MI 5NM offshore to
Mid Lake-
716 AM CDT Sun Jun 28 2026
This Hazardous Weather Outlook is for the open waters of Lake
Michigan.
.DAY ONE...Today and Tonight
Chances for thunderstorms this afternoon in the southern third,
and again tonight over the northern two thirds.
.DAYS TWO THROUGH SEVEN...Monday through Saturday
Areas of dense fog may occur at times due to a very warm and humid
airmass over the colder waters of Lake Michigan.
Chances for thunderstorms at times for Tuesday night through
Saturday especially over northern and central Lake Michigan.
$$
www.weather.gov/mkx
Hazardous Weather Outlook
National Weather Service Wilmington OH
531 AM EDT Sun Jun 28 2026
INZ050-058-059-066-073>075-080-KYZ089>100-OHZ026-034-035-042>046-
051>056-060>065-070>074-077>082-088-290945-
Wayne-Fayette-Union-Franklin-Ripley-Dearborn-Ohio-Switzerland-
Carroll-Gallatin-Boone-Kenton-Campbell-Owen-Grant-Pendleton-Bracken-
Robertson-Mason-Lewis-Hardin-Mercer-Auglaize-Darke-Shelby-Logan-
Delaware-Miami-Champaign-Clark-Madison-Licking-Preble-Montgomery-
Greene-Pickaway-Fairfield-Butler-Warren-Clinton-Ross-Hocking-
Hamilton-Clermont-Brown-Highland-Adams-Pike-Scioto-
531 AM EDT Sun Jun 28 2026
This Hazardous Weather Outlook is for east central Indiana,
southeast Indiana, northeast Kentucky, northern Kentucky, central
Ohio, south central Ohio, southwest Ohio and west central Ohio.
.DAY ONE...Today and tonight.
There is a low probability for widespread hazardous weather.
.DAYS TWO THROUGH SEVEN...Monday through Saturday.
The heat index will be around 100 degrees on Monday and then be at
or above 100 Tuesday through Friday.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not expected at this time.
$$
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
350 AM CDT Sun Jun 28 2026
ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-290900-
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
350 AM CDT Sun Jun 28 2026 /450 AM EDT Sun Jun 28 2026/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Today and Tonight.
Weather hazards expected...
Limited Thunderstorm Risk...with an associated:
Level 1 of 5 Damaging Wind Risk...up to 60 mph.
DISCUSSION...
A decaying cluster of thunderstorms may produce locally strong
wind gusts, primarily west of the Fox River Valley, mid to late
afternoon.
.DAYS TWO THROUGH SEVEN...Monday through Saturday.
Monday through Wednesday...
Elevated Excessive Heat Risk.
Thursday...
Elevated Excessive Heat Risk.
Limited Thunderstorm Risk.
Friday and Saturday...
Limited Thunderstorm Risk.
DISCUSSION...
Dangerous heat with afternoon heat index values over 100 degrees
is expected Monday through at least Wednesday. Depending on
potential thunderstorm coverage late in the week, the dangerous
heat may persist through Friday.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be necessary through tonight.
GENERAL STORM MOTION OF THE DAY:
Moving toward the east at 30 mph.
$$
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
350 AM CDT Sun Jun 28 2026
LMZ740>745-290900-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
350 AM CDT Sun Jun 28 2026
This Hazardous Weather Outlook is for portions of the Illinois
nearshore waters of Lake Michigan and the Indiana nearshore
waters of Lake Michigan.
.DAY ONE...Today and Tonight.
Weather hazards expected...
Limited Thunderstorm Risk.
.DAYS TWO THROUGH SEVEN...Monday through Saturday.
Thursday through Saturday...
Limited Thunderstorm Risk.
$$
Kluber
Visit us at www.weather.gov/chicago
Hazardous Weather Outlook
National Weather Service Indianapolis IN
322 AM EDT Sun Jun 28 2026
INZ021-028>031-035>049-051>057-060>065-067>072-291000-
Carroll-Warren-Tippecanoe-Clinton-Howard-Fountain-Montgomery-Boone-
Tipton-Hamilton-Madison-Delaware-Randolph-Vermillion-Parke-Putnam-
Hendricks-Marion-Hancock-Henry-Vigo-Clay-Owen-Morgan-Johnson-Shelby-
Rush-Sullivan-Greene-Monroe-Brown-Bartholomew-Decatur-Knox-Daviess-
Martin-Lawrence-Jackson-Jennings-
322 AM EDT Sun Jun 28 2026
This hazardous weather outlook is for central Indiana.
.DAY ONE...Today and Tonight.
Afternoon heat indices will rise into the mid and upper 90s over much
of central Indiana.
.DAYS TWO THROUGH SEVEN...Monday through Saturday.
Afternoon heat indices will be above 100 degrees through much of the
upcoming week.
Isolated to scattered mainly afternoon and evening thunderstorms
are possible beginning Thursday into next weekend..
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not anticipated at this time.
&&
More information, along with other weather, hydrological and climate
information can be found at http://weather.gov/ind
$$
Ryan
Hazardous Weather Outlook
National Weather Service Cleveland OH
318 AM EDT Sun Jun 28 2026
OHZ003-006>014-017>023-027>033-036>038-047-089-PAZ001>003-290730-
Lucas-Wood-Ottawa-Sandusky-Erie-Lorain-Cuyahoga-Lake-Geauga-
Ashtabula Inland-Hancock-Seneca-Huron-Medina-Summit-Portage-Trumbull-
Wyandot-Crawford-Richland-Ashland-Wayne-Stark-Mahoning-Marion-Morrow-
Holmes-Knox-Ashtabula Lakeshore-Northern Erie-Southern Erie-
318 AM EDT Sun Jun 28 2026
This Hazardous Weather Outlook is for north central Ohio, northeast
Ohio, northwest Ohio and northwest Pennsylvania.
.DAY ONE...Today and tonight.
Hazardous weather is not expected at this time.
.DAYS TWO THROUGH SEVEN...Monday through Saturday.
Hotter and more humid weather is expected Monday through Friday.
Daily maximum heat indices will likely be in the 100s. Heat
Advisories or Extreme Heat Warnings may be needed due to the
longevity of the heat and humidity along with little temperature
recovery at night.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not expected at this time.
$$
