Code Feedback for Weather App

$(document).ready(function(){
    //declare lat and lon
    var longitude;
    var latitude;
    //prevent default
    $('form').submit(function (evt) {
    evt.preventDefault();
    // define variables
    var weatherAPI = "http://api.openweathermap.org/data/2.5/weather?zip=" + search + ",us&APPID=ab6945f5d48c51b058971dbb9140fa01";
    var search = $('#search').val();
    // display data
    if(search.length < 5){
        $('#lessThanFive').fadeIn(1800, function(){});
        $('#greaterThanFive').hide();
        $('table').hide();
        $('#fiveDay').hide();
    }else if(search.length > 5){
        $('#greaterThanFive').fadeIn(1800, function(){});
        $('#lessThanFive').hide();
        $('table').hide();
        $('#fiveDay').hide();
    }else{
      $('#lessThanFive').hide();
      $('#greaterThanFive').hide();
      $('#fiveDay').hide();
      $('#mainWeather').fadeIn(2400, function(){});
      $('#supWeather').fadeIn(3200, function(){});
      $('#forecast').fadeIn(3200, function(){});
    // the AJAX part
    var weatherOptions = {
       zip : search,
       units : 'imperial'
    };
    function displayWeather(data) {
      //declare icon variable for later use
      var icon = data.weather[0].icon;
      //capitalize description for output
      var description = data.weather[0].description;
      var capitalizedDescription = description.charAt(0).toUpperCase() + description.substring(1);
      //add data to tables
      $('#temperature').text(Math.round(data.main.temp) + "째 Fahrenheit");
      $('#img').html('<img src="assets/img/' + icon + '.png">');
      $('#description').text(capitalizedDescription);
      $('#windSpeed').text( data.wind.speed.toFixed(1) + " mph");
      $('#humidity').text(data.main.humidity + "%");
       //give lat and lon their value
      longitude = Math.round(data.coord.lon);
      latitude = Math.round(data.coord.lat);
    }
    $.getJSON(weatherAPI, weatherOptions, displayWeather); 
   }
  }); // end click
  $('#forecast').click(function(){
    //declare variable
    var count = 6;
    var weatherAPITwo = "http://api.openweathermap.org/data/2.5/forecast/daily?lat=" + latitude + "&lon=" + longitude + "&cnt=" + count;
    //display
    $('#fiveDay').fadeIn(2400, function(){});
    //Ajax Part
    var weatherOptionsTwo = {
       lat : latitude,
       lon : longitude,
       cnt : count,
       units : 'imperial'
    };
    function displayWeatherTwo(data){
        //icon array
        var icon = [];
          for(i=1;i<data.list.length;i++){
            icon.push(data.list[i].weather[0].icon);
          }
          console.log(icon);
        //capitalize description for output
        var description = [];
          for(i=1;i<data.list.length;i++){
            description.push(data.list[i].weather[0].description);
            }
        var capitalizedDescription = [];
          for(i=0;i<description.length;i++){
          capitalizedDescription.push(description[i].charAt(0).toUpperCase() + description[i].substring(1))
          }
        //Icon for day
          for(i=0;i<icon.length;i++){
            $('#day' + i).html('<img src="assets/img/64px/' + icon[i] + '.png">');
          }
        //Min / Max temps for forecast
          for(i=1;i<6;i++){
          $('#min' + i).text(Math.round(data.list[i].temp.min) + "째");
          }
           for(i=1;i<6;i++){
          $('#max' + i).text(Math.round(data.list[i].temp.max) + "째");
          }
        //Description of weather
         for(i=0;i<5;i++){
           $('#des' + i).text(capitalizedDescription[i]);
           }
    }
    $.getJSON(weatherAPITwo, weatherOptionsTwo, displayWeatherTwo);
  });//end click 2

}); //end ready