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.
Instructions:
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.
Address/Location
Marshall County Sheriff's Office
1400 pioneer
Plymouth, IN 46563
Contact
Emergency: 9-1-1
Non-emergencies: 574-936-3187
Alert Details
- Severity:
- Severe - Significant threat to life or property
- Urgency:
- Future - Responsive action SHOULD be taken in the near future
- Certainty:
- Likely (p > ~50%)
- Category:
- Meteorological (inc. flood)
- Event:
- Excessive Heat Watch