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Lehigh Valley faces dangerous heat and severe storm risk through Friday

Heat index values are expected to top 100°F through Friday, with severe thunderstorms possible Thursday and Friday afternoons.

Published Jun 11, 2026, 8:41 AM EDT | LehighValleyLive

A dangerous heat wave with heat index values above 100 degrees will persist through Friday across the Lehigh Valley region, accompanied by a significant risk of severe thunderstorms both Thursday and Friday afternoon.