Heat Advisory

URGENT - WEATHER MESSAGE
National Weather Service Detroit/Pontiac MI
407 AM EDT Sat Jun 21 2025

MIZ047>049-053>055-060>063-068>070-075-076-082-083-212030-
/O.CON.KDTX.HT.Y.0001.250621T1800Z-250622T1200Z/
/O.CON.KDTX.XH.A.0001.250622T1200Z-250625T0000Z/
Midland-Bay-Huron-Saginaw-Tuscola-Sanilac-Shiawassee-Genesee-
Lapeer-St. Clair-Livingston-Oakland-Macomb-Washtenaw-Wayne-
Lenawee-Monroe-
Including the cities of Bay City, Flint, Lapeer, Port Huron,
Sandusky, Saginaw, Owosso, Pontiac, Ann Arbor, Bad Axe, Monroe,
Detroit, Howell, Midland, Adrian, Warren, and Caro
407 AM EDT Sat Jun 21 2025

...HEAT ADVISORY REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO 8 AM
EDT SUNDAY...
...EXTREME HEAT WATCH REMAINS IN EFFECT FROM SUNDAY MORNING THROUGH
TUESDAY EVENING...

* WHAT...For the Heat Advisory, heat index values up to 101
  expected. For the Extreme Heat Watch, dangerously hot conditions
  with heat index values up to 106 possible.

* WHERE...All of southeast Michigan.

* WHEN...For the Heat Advisory, from 2 PM this afternoon to 8 AM EDT
  Sunday. For the Extreme Heat Watch, from Sunday morning through
  Tuesday evening.

* IMPACTS...Heat related illnesses increase significantly during
  extreme heat and high humidity events. 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.

Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.

Monitor the latest forecasts and warnings for updates.

Check with local emergency management officials for information on
cooling center availability.

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.

&&

$$

DRK

URGENT - WEATHER MESSAGE
National Weather Service Grand Rapids MI
1158 AM EDT Sat Jun 21 2025

MIZ037>040-043>046-050>052-056>059-064>067-071>074-220000-
/O.CON.KGRR.HT.Y.0001.250621T1600Z-250623T0000Z/
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 Greenville, Charlotte, Reed City,
Baldwin, Grand Rapids, Jenison, Mount Pleasant, South Haven,
Holland, Ludington, Jackson, Alma, Hart, Fremont, Lansing, Battle
Creek, Big Rapids, Muskegon, St. Johns, Ionia, Clare, Kalamazoo,
Grand Haven, and Hastings
1158 AM EDT Sat Jun 21 2025

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT SUNDAY...

* WHAT...Heat index values up to 103 expected.

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

* WHEN...Until 8 PM EDT Sunday.

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

* ADDITIONAL DETAILS...Heat index values will rise to near and
  slightly above the 100 degree mark today and Sunday. Little relief
  will occur tonight as lows will only fall into the middle to upper
  70s.

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.

&&

$$

Duke

URGENT - WEATHER MESSAGE
National Weather Service Gaylord MI
1102 AM EDT Sat Jun 21 2025

MIZ016>018-020>036-041-042-099-220330-
/O.CON.KAPX.HT.Y.0001.250621T1600Z-250623T0000Z/
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-
1102 AM EDT Sat Jun 21 2025

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT SUNDAY...

* WHAT...High temperatures around 90 today, increasing to the lower
  and middle 90s Sunday. Low temperatures will only drop into the
  70s tonight. Combination of heat and humidity will result in heat
  indices of 95 to 104 degrees, especially during the afternoon
  Sunday.

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

* WHEN...Until 8 PM EDT Sunday.

* 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.

&&

$$

JRK

URGENT - WEATHER MESSAGE
National Weather Service Cleveland OH
1017 AM EDT Sat Jun 21 2025

OHZ003-006>014-017>023-027>033-036>038-047-089-PAZ001>003-212230-
/O.CON.KCLE.HT.Y.0001.250622T1600Z-250625T0000Z/
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-Crawford-
Including the cities of Port Clinton, Marion, Edinboro, Medina,
Andover, Mount Gilead, Chardon, Warren, Ravenna, Painesville,
Crestline, Union City, Wickliffe, North Ridgeville, Avon Lake,
Chesterland, Wadsworth, Tiffin, Upper Sandusky, Ashtabula, Kent,
Akron, Toledo, South Russell, Erie, Findlay, Killbuck,
Bainbridge, Corry, Elyria, Orrville, Willowick, Massillon,
Cardington, Lorain, Austintown, Huron, Cleveland, Willoughby,
Bowling Green, Sandusky, Mentor, Carey, Millersburg, Genoa,
Eastlake, Perrysburg, Bellevue, Norwalk, Wooster, Burton,
Alliance, Middlefield, Brunswick, Rittman, Youngstown, Oak
Harbor, Jefferson, Conneaut, Galion, Geneva, Canton, Niles,
Mansfield, Titusville, Fremont, Clyde, Meadville, Boardman,
Aurora, Orwell, Bucyrus, Mount Vernon, Willard, Roaming Shores,
Ashland, Streetsboro, and Fostoria
1017 AM EDT Sat Jun 21 2025

...HEAT ADVISORY REMAINS IN EFFECT FROM NOON SUNDAY TO 8 PM EDT
TUESDAY...

* WHAT...Heat index values up to 104 expected.

* WHERE...Portions of north central, northeast, and northwest Ohio
  and northwest Pennsylvania.

* WHEN...From noon Sunday to 8 PM EDT Tuesday.

* IMPACTS...Heat related illnesses increase significantly during
  extreme heat and high humidity events, particularly for those
  working or participating in outdoor activities.

* ADDITIONAL DETAILS...Consecutive days of excessive heat and
  humidity combined with little relief overnight due to very warm
  low temperatures can be especially hazardous. The heat may
  continue into Wednesday.

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.

&&

$$

10

URGENT - WEATHER MESSAGE
National Weather Service Northern Indiana
402 AM EDT Sat Jun 21 2025

INZ005>009-012>015-017-018-020-022>027-032>034-103-104-116-203-204-
216-MIZ078>081-177-277-OHZ001-002-004-005-015-016-024-025-212015-
/O.NEW.KIWX.HT.Y.0001.250621T1600Z-250622T1200Z/
/O.EXT.KIWX.XH.A.0001.250622T1200Z-250625T0000Z/
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-
402 AM EDT Sat Jun 21 2025 /302 AM CDT Sat Jun 21 2025/

...HEAT ADVISORY IN EFFECT FROM NOON EDT /11 AM CDT/ TODAY TO 8 AM
EDT /7 AM CDT/ SUNDAY...
...EXTREME HEAT WATCH NOW IN EFFECT FROM SUNDAY MORNING THROUGH
TUESDAY EVENING...

* WHAT...For the Heat Advisory, heat index values up to 102
  expected. For the Extreme Heat Watch, dangerously hot conditions
  with heat index values up to 105 possible.

* WHERE...Portions of northern Indiana, southwest Michigan, and
  northwest Ohio.

* WHEN...For the Heat Advisory, from noon EDT /11 AM CDT/ today to 8
  AM EDT /7 AM CDT/ Sunday. For the Extreme Heat Watch, from Sunday
  morning through Tuesday evening.

* IMPACTS...Heat related illnesses increase significantly during
  extreme heat and high humidity events. Hot temperatures and high
  humidity may cause heat illnesses.

* ADDITIONAL DETAILS...Cumulative effects of long-duration heat will
  likely cause significant impacts, especially since it is the first
  heat wave of the season. Low temperatures in the 70s will provide
  little relief, especially for vulnerable populations.

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.

Monitor the latest forecasts and warnings for updates.

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.

&&

$$

MCD