Maariv (quoted by Palestine Press Agency) notes that if someone queries Yahoo Weather for Ariel and Maaleh Adumim, the response is that they are in "Palestine."
I checked it out and, for Ariel, it is true:
But Maaleh Adumim, in the web version, is in "Jerusalem, IL."
The screenshot in the article doesn't show Yahoo weather, but iPod weather, which I verified here:
Interestingly, Yahoo Weather is powered by The Weather Channel - but that website puts Ariel in Israel:
The mayor of Maaleh Adumim apparently has a Yahoo weather app on his phone, as he angrily complained that Yahoo was determining political boundaries unilaterally.