How could I chnge the weather reporting sorty on my home page of mylot?

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I am living in Peshawar, The city of Pakistan. But the weather report at my home page of mylot displays another city "Rawalpindy's" weather report. I want to replace it with the weather report of the city where I and members of my family are living. I tried it again n again but all were in vain. Would you please help or guide me in this respect that how should I change the weather report sorty at my home page of mylot. Thanks in anticipations.