374
WWUS73 KIWX 300744
NPWIWX
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE NORTHERN INDIANA
344 AM EDT TUE JUN 30 2026
INZ005>009-012>015-017-018-020-022>027-032>034-103-104-116-203-204-
216-MIZ078>081-177-277-OHZ001-002-004-005-015-016-024-025-010945-
/O.CON.KIWX.XH.W.0001.000000T0000Z-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-
344 AM EDT TUE JUN 30 2026 /244 AM CDT TUE JUN 30 2026/
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM EDT /7 PM CDT/
THURSDAY...
* WHAT...DANGEROUSLY HOT CONDITIONS WITH HEAT INDEX VALUES OF 100 TO
105 EXPECTED, WITH HIGHER VALUES POSSIBLE. DAILY HIGH TEMPERATURES
IN THE 90S.
* WHERE...PORTIONS OF NORTHERN INDIANA, SOUTHWEST MICHIGAN, AND
NORTHWEST OHIO.
* WHEN...UNTIL 8 PM EDT /7 PM CDT/ THURSDAY.
* 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.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DO NOT LEAVE YOUNG CHILDREN AND PETS IN UNATTENDED VEHICLES. CAR
INTERIORS WILL REACH LETHAL TEMPERATURES IN A MATTER OF MINUTES.
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.
BROWN
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