According to multiple sources, The Weather Network website and app experienced a cybersecurity incident on Tuesday, September 12, 2023, which caused an outage that affected weather data systems. The parent company of The Weather Network, Pelmorex Corp., confirmed that the incident was connected to a third-party software provider and that cybersecurity experts were engaged in the investigation. The outage only affected weather data systems, but services such as push notifications and weather alerts were also impacted. As of September 21, 2023, The Weather Networks website and app were partly operational, but some services were still being restored. In the meantime, alternative sources for weather information include the Weather Canada website, local news sources, radio, television, and other weather apps such as Accuweather.