JSFiddle - React, Tailwind, and code Playground

HTML

<select class="simple_form" id="MeteoManana">
    <option value="0" selected="selected">Soleado</option>
    <option value="1">Nuboso</option>
    <option value="2">Muy nuboso</option>
    <option value="3">Cubierto</option>
    <option value="4">Granizo</option>
</select>

JavaScript

$("#MeteoManana").find('option:selected').removeAttr("selected");
$('#MeteoManana option[value=3]').attr("selected", true);