// in app/Providers/NovaServiceProvider.php

// ...

public function cards()
{
    return [
        // ...
        (new \Kregel\NovaWeatherCards\Weather)->withMeta([
            'name' => 'San Francisco',
            'coords' => [
                37.7749,
                122.4194,
            ]
        ]),
        // If you don't define coordinates it will default to your location.
        (new \Kregel\NovaWeatherCards\Weather)->withMeta([
            'name' => 'Current location',
        ]),
        // Or you could forego all configuration. (which will default to no title, and your current location)
        new \Kregel\NovaWeatherCards\Weather,
    ];
}