Friday will start chilly, patchy fog possible

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PITTSBURGH — Chilly temperatures will bring another wake-up call early Friday, and some areas could start out in the 30s.

Patchy fog is also possible, especially along river valleys.

Late summer sunshine will help warm us up again during the day with highs in the 70s to close out the week.

The start to the weekend still looks dry and milder as highs climb back into the mid-70s, but a quick-moving system could bring scattered showers and a few isolated storms on Sunday.

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