Ohio Severe Extreme Heat Warning | Effective 06/30/2026 11:23

Headline: 
Extreme Heat Warning issued June 30 at 2:23PM EDT until July 2 at 8:00PM EDT by NWS Cleveland OH
Event: 
Extreme Heat Warning
Urgency: 
Expected
Effective: 
June 30, 2026 - 11:23am
Expires: 
June 30, 2026 - 7:30pm
Description: 
* WHAT...Dangerously hot conditions with heat index values up to 107 expected. * WHERE...Portions of north central, northeast, and northwest Ohio. * WHEN...Until 8 PM EDT Thursday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. A prolonged period of dangerously hot and humid conditions with little overnight relief is expected through the week, which will increase impacts to vulnerable populations.
Instruction: 
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.
Area Description: 
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
Forcast Office: 
NWS Cleveland OH