1. Set your desired URL in the variables.
  2. Find path to your browser.
  3. Add this file as script to start or end of file, cartwall, button or whatever in mAirlist Voilá, you are opening your desired web page directly from mArilist in your preferred browser.
const
URL = 'https://www.yr.no/nb/v%C3%A6rvarsel/timetabell/1-72837/Norge/Oslo/Oslo/Oslo?i=0';
BROWSER = 'C:\Program Files\Google\Chrome\Application\chrome.exe';

begin
    ShellExecute(BROWSER, URL);
end.