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function fetch_weather($url) {
  $ch = curl_init();
  $timeout = 5;
  curl_setopt($ch, CURLOPT_URL, $url);
  curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
  curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, $timeout);
  curl_setopt($ch, CURLOPT_USERAGENT, 'Mozilla/5.0 (Windows NT 6.2; WOW64; rv:17.0) Gecko/20100101 Firefox/17.0');
  curl_setopt($ch, CURLOPT_REFERER, 'https://forecast.weather.gov');
  curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
  $data = curl_exec($ch);
  curl_close($ch);

  return $data;
}