Pennsylvania Severe Extreme Heat Warning | Effective 07/03/2026 14:47

Headline: 
Extreme Heat Warning issued July 3 at 5:47PM EDT until July 4 at 8:00PM EDT by NWS State College PA
Event: 
Extreme Heat Warning
Urgency: 
Expected
Effective: 
July 3, 2026 - 2:47pm
Expires: 
July 4, 2026 - 3:00am
Description: 
* WHAT...Dangerously hot conditions with heat index values up to 106 expected. * WHERE...Adams, Dauphin, Lancaster, Lebanon, and York Counties. * WHEN...Until 8 PM EDT Saturday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. * ADDITIONAL DETAILS...The heat and humidity are now expected to continue to make dangerous conditions all the way through Saturday evening.
Instruction: 
Drink plenty of fluids, stay out of the sun, and stay in an air-conditioned room. Know the signs and symptoms of heat exhaustion and heat stroke.
Area Description: 
Dauphin; Lebanon; Adams; York; Lancaster
Forcast Office: 
NWS State College PA