<?php

$str = file_get_contents("http://meteor.gov.tr/tahmin/il-ve-ilceler.aspx?m=ISTANBUL#sfB");
$str = explode('<div id="divSonDurum">', $str);
$str = explode('</div>',$str[1]);

preg_match('/<img.*title="([^\"]*)".*>/', $str[0], $matches); 

echo $matches[1];  

?>