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Lehigh Valley faces extreme heat through Independence Day weekend

Dangerous hot, humid conditions with heat index values possibly reaching 105°F; officials urge residents to take precautions.

Published Jun 30, 2026, 6:00 AM EDT | LehighValleyLive

Lehigh Valley residents face a prolonged stretch of dangerously hot and humid weather this week and lasting through the Independence Day holiday weekend, according to the National Weather Service.