Yes, the US National Weather Service has decommissioned the weather.noaa.gov website (source of the METAR info).
Update the get-metar-conditions-inc.php to Version 1.14 to fix the problem.
You can download it from
http://saratoga-weather.org/get-metar-conditions-inc.php?sce=viewI also recommend you download
this update, upload to your site, then run check-fetch-times.php?show=versions to check your Saratoga template for needed script updates. It will direct you to the updates tool page where you can get a custom .zip file with all the core script needed updates included.
Best regards,
Ken