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Extreme Heat Watch


URGENT - WEATHER MESSAGE
National Weather Service Detroit/Pontiac MI
322 PM EDT Fri Jun 20 2025

MIZ047>049-053>055-060>063-068>070-075-076-082-083-210830-
/O.NEW.KDTX.HT.Y.0001.250621T1800Z-250622T1200Z/
/O.EXT.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 Lapeer, Bay City, Warren, Monroe, Caro,
Pontiac, Owosso, Adrian, Ann Arbor, Saginaw, Sandusky, Midland,
Howell, Detroit, Flint, Port Huron, and Bad Axe
322 PM EDT Fri Jun 20 2025

...HEAT ADVISORY IN EFFECT FROM 2 PM SATURDAY TO 8 AM EDT 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...All of southeast Michigan.

* WHEN...For the Heat Advisory, from 2 PM Saturday 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.

&&

$$

SF

URGENT - WEATHER MESSAGE
National Weather Service Northern Indiana
307 PM EDT Fri Jun 20 2025

INZ005>009-012>015-017-018-020-022>027-032>034-103-104-116-203-204-
216-MIZ078>081-177-277-OHZ001-002-004-005-015-016-024-025-210715-
/O.CON.KIWX.XH.A.0001.250621T1200Z-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-
307 PM EDT Fri Jun 20 2025 /207 PM CDT Fri Jun 20 2025/

...EXTREME HEAT WATCH REMAINS IN EFFECT FROM SATURDAY MORNING
THROUGH TUESDAY EVENING...

* WHAT...Dangerously hot conditions with heat index values up to 102
  possible.

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

* WHEN...From Saturday morning through Tuesday evening.

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

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.

&&

$$

Hammer

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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