The weather.gov website has an API where you should be able to get all that information without scraping HTML. Also see https://forecast-v3.weather.gov/documentation. I use this in Weather::WeatherGov (unreleased) to fetch weather data as JSON for a given latitude/longitude

use strict;
use HTTP::Tiny;
use URI;
use JSON 'decode_json';

use Moo 2;
use feature 'signatures';
no warnings 'experimental::signatures';

our $base_uri = URI->new(
        $ENV{PERL_WEATHER_WEATHERGOV_URI}
    #|| 'https://forecast-v3.weather.gov/'
    || 'https://api.weather.gov/points/'
);

my $ua = 
        HTTP::Tiny->new(
            agent => "Weather::WeatherGov/$VERSION",
        );

sub forecast( %options ) {
    my $entry = base_uri . sprintf '%s,%s',
        $options{latitude},
        $options{longitude};
    # We should cache this request for office and grid position
    # maybe store these in the same SQLite database(schema) as Weather
+::MOSMIX?!

    # also, we need a cache and rate-limiter here so we can rate-limit
    # at least by IP address and maybe also globally how much we hit w
+eather.gov
    my $loc = $self->json_request($entry);
    json_request(
        $loc->{properties}->{forecastHourly},
    );
}

sub json_request( $uri ) {
    my $response = $ua->request(GET => $uri, {
        accept => 'JSON-LD',
    } );
    decode_json( $response->{content} );
}
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