Indiana, Michigan, Ohio Severe Extreme Heat Warning | Effective 06/30/2026 00:44

Headline: 
Extreme Heat Warning issued June 30 at 3:44AM EDT until July 2 at 8:00PM EDT by NWS Northern Indiana
Event: 
Extreme Heat Warning
Urgency: 
Expected
Effective: 
June 30, 2026 - 12:44am
Expires: 
July 1, 2026 - 2:45am
Description: 
* 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.
Instruction: 
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.
Area Description: 
Elkhart; Lagrange; Steuben; Noble; De Kalb; Starke; Pulaski; Marshall; Fulton; Whitley; Allen; White; Cass; Miami; Wabash; Huntington; Wells; Adams; Grant; Blackford; Jay; Northern La Porte; Eastern St. Joseph; Northern Kosciusko; Southern La Porte; Western St. Joseph; Southern Kosciusko; Cass; St. Joseph; Branch; Hillsdale; Northern Berrien; Southern Berrien; Williams; Fulton; Defiance; Henry; Paulding; Putnam; Van Wert; Allen
Forcast Office: 
NWS Northern Indiana