By Geoff Bansen

PHILADELPHIA (CBS) — Severe thunderstorms last night brought high winds to the Delaware Valley and led to numerous reports of damage, mostly caused by downed trees and power lines. Thunderstorms will be possible again today as we experience one last day of 90 degree heat.

Wednesday will feature intervals of clouds and sunshine through mid afternoon in most locations. Thunderstorms will then begin popping up to the north and west. Highs will top out right at 90 degrees, which would officially give us another heat wave. If you plan to beat the heat down by the shore, expect cloudier and cooler conditions.

Other than a lingering shower Thursday, the end of the week looks drier. It will still be warm, but not nearly as humid and steamy. This trend carries into the weekend, which looks warm and mostly sunny, other than a late day thunderstorm on Sunday.

Looking ahead to next week, showers and storms on Monday and Tuesday will prelude unseasonably cool temperatures by the middle of the week.

Today In Weather History:
1935 — The Perkiomen Creek at Graterford, Montgomery Co, rose to a record 18.3′. Flood stage is 11.0′.
1936 — The temperature at Phoenixville, Chester Co, rose to 111 degrees, establishing a July and and all time PA state maximum temperature record.
1975 — Afternoon thunderstorms over eastern PA caused considerable lightning strikes and locally heavy rain. Lightning struck and killed a 14 year old boy in Drexel Hill, and injured 4 of his companions.

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