Snowflake experienced a major incident on September 30, 2025 affecting Applications, lasting 1h 35m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Sep 30, 2025, 07:17 PM UTC
Current status: We're investigating an issue with Snowflake Data Cloud. We'll provide an update within 60 minutes. ETA: An ETA is not yet available. We'll provide one as soon as possible. In the meantime, we recommend that affected customers using replication initiate their failover procedures. Customer experience: Customers hosted in the specified regions may be unable to access or use Snowflake services and features using Snowsight.
- monitoring Sep 30, 2025, 07:55 PM UTC
Current status: We've determined a recent update to Snowsight functionality caused the impact. We've rolled back the update, and our internal metrics indicate the impact has been resolved. We'll continue to monitor the environment until we're confident all services are functioning properly. Customer experience: Customers hosted in the specified regions may have been unable to access or use Snowflake services and features using Snowsight. Incident start time: 18:38 UTC September 30, 2025 Incident end time: 19:22 UTC September 30, 2025 Preliminary root cause: A recent update to Snowsight functionality caused the impact.
- resolved Sep 30, 2025, 08:53 PM UTC
Current status: We've monitored the environment to confirm rolling back the update has restored service. If you experience additional issues or have questions, please open a support case via Snowflake Community. Customer experience: Customers hosted in the specified regions may have been unable to access or use Snowflake services and features using Snowsight. Incident start time: 18:38 UTC September 30, 2025 Incident end time: 19:22 UTC September 30, 2025 Preliminary root cause: A recent update to Snowsight functionality caused the impact. A root cause analysis (RCA) document will be published within five business days.
- postmortem Oct 07, 2025, 11:01 PM UTC
Snowflake Engineering has completed the postmortem of this service incident. A detailed Root Cause Analysis \(RCA\) is available on the Snowflake Community site: [https://community.snowflake.com/s/article/INC0144180](https://community.snowflake.com/s/article/INC0144180)