WP_Query Ignoring `post_type` parameter

Try this

<?php
    $args = array(
        'post_type'=>'weather_today',
        'orderby'=>'ID',
        'order'=>'ASC',
        'posts_per_page'=>1
    );
    $query = new WP_Query( $args );
    while ( $query->have_posts() ) : $query->the_post();

        //loop 

    endwhile;
    wp_reset_postdata();
?>