- Level
- confirmed
- Worst impact
- Major outage
- Components
- Databases, Tables, and Views, Virtual Warehouses, Data Loading and Unloading, Applications, Snowpark Container Services, AI and ML
- Regions
- us
- Down Index
- 47of 100
What to do
Check whether you use Snowflake Databases, Tables, and Views, Virtual Warehouses, Data Loading and Unloading, Applications and 2 more in us. Check your stack
Paste a package.json, lockfile, Terraform or a list of domains at down.guide/stack to see every provider you depend on.Confirm your retries, queues and scheduled jobs caught up after the 5h 3m it lasted.
Anything that failed between 2026-10-21 18:26 UTC and 2026-10-21 23:29 UTC may need a replay.Subscribe to Snowflake's feed to hear about the next one first. RSS feed
https://down.guide/feed?provider=snowflake works in Slack (/feed subscribe), Discord feed bots and any RSS reader.
Root cause
Current status: We're continuing to investigate the core systems that process requests in the impacted region to assist us in isolating the root cause of this issue.Read the postmortem
Updates from Snowflake 10
- investigating
Current status: We're investigating an issue with Snowflake Data Cloud. We'll provide an update within 30 minutes. Customer experience: Customers hosted in the specified regions may be unable to access or use multiple core Snowflake services and features. Affected users may be unable to sign in, use Snowsight, or ingest files using Snowpipe.
provider
- investigating
Current status: We're investigating the core systems that process requests in the impacted region to assist us in isolating the source of the impact and identifying a path to resolution. We'll provide another update within 30 minutes. Customer experience: Customers hosted in the specified region may be unable to access or use multiple core Snowflake services and features. Affected users may be unable to sign in, use Snowsight, execute queries, or ingest files using Snowpipe.
provider
- investigating
Current status: We're continuing to investigate the core systems that process requests in the impacted region to assist us in isolating the root cause of this issue. We'll provide another update within 30 minutes. Customer experience: Customers hosted in the specified region may be unable to access or use multiple core Snowflake services and features. Affected users may be unable to sign in, use Snowsight, execute queries, or ingest files using Snowpipe. ETA: An ETA is not yet available. We'll provide one as soon as possible. In the meantime, customers using replication may review their failover procedures and determine whether failover is warranted based on the impact to their organization.
provider
- investigating
Current status: We've identified a configuration issue within the core systems which process requests in the impacted region that we suspect is contributing to impact, and we're further investigating this issue to confirm our findings and identify a method to restore service. We'll provide another update within 30 minutes. Customer experience: Customers hosted in the specified region may be unable to access or use multiple core Snowflake services and features. Affected users may be unable to sign in, use Snowsight, execute queries, resume virtual warehouses, or ingest files using Snowpipe or Snowpipe Streaming. Scheduled tasks and other automated workloads may also fail to run or may not start as expected. ETA: An ETA is not yet available. We'll provide one as soon as possible. In the meantime, customers using replication may review their failover procedures and determine whether failover is warranted based on the impact to their organization. Impact start time: 18:00 UTC October 21, 2026
provider
- investigating
Current status: We've completed a configuration change to address the issue that we suspect caused the impact while we continue to investigate other potential factors. We're also monitoring the region for signs of recovery and are continuing to work on restoring full service. We'll provide another update within 30 minutes. Customer experience: Customers hosted in the specified region may be unable to access or use multiple core Snowflake services and features. Affected users may be unable to sign in, use Snowsight, execute queries, resume virtual warehouses, or ingest files using Snowpipe or Snowpipe Streaming. Scheduled tasks and other automated workloads may also fail to run or may not start as expected. ETA: An ETA is not yet available. We'll provide one as soon as possible. In the meantime, customers using replication may review their failover procedures and determine whether failover is warranted based on the impact to their organization.
provider
- identified
Current status: We're continuing to monitor the affected region, and we're seeing early signs of recovery. Affected services are recovering gradually, and we're working to confirm full restoration. We'll provide another update within 30 minutes. Customer experience: Customers hosted in the specified region may be unable to access or use multiple core Snowflake services and features. Affected users may be unable to sign in, use Snowsight, execute queries, resume virtual warehouses, or ingest files using Snowpipe or Snowpipe Streaming. Scheduled tasks and other automated workloads may also fail to run or may not start as expected. ETA: Our current estimate is that service will be restored within 1 hour. Impact start time: 18:00 UTC October 21, 2026
provider
- identified
Current status: Services in the specified region are recovering, and our monitoring indicates that most core services, including sign-in, Snowsight, query execution, and data ingestion, are returning to normal operation. We're continuing to monitor to confirm full recovery across all services. We'll provide another update within 30 minutes. Customer experience: Customers hosted in the specified region may be unable to access or use multiple core Snowflake services and features. Affected users may be unable to sign in, use Snowsight, execute queries, resume virtual warehouses, or ingest files using Snowpipe or Snowpipe Streaming. Scheduled tasks and other automated workloads may also fail to run or may not start as expected. Impact start time: 18:00 UTC October 21, 2026 Preliminary root cause: A recent configuration change in the affected region caused service infrastructure to stop processing requests, resulting in a service disruption.
provider
- monitoring
Current status: Our monitoring indicates that the previously affected services have returned to normal operation. We'll continue to monitor the environment until we're confident all services are functioning properly. Customer experience: Customers hosted in the specified region may have been unable to access or use multiple Snowflake services and features. Affected users may have been unable to sign in, use Snowsight, execute queries, resume virtual warehouses, or ingest files using Snowpipe or Snowpipe Streaming. Scheduled tasks and other automated workloads may also have failed to run or may not start as expected. Impact start time: 18:00 UTC October 21, 2026 Impact end time: 21:25 UTC October 21, 2026 Preliminary root cause: A configuration change applied to the cloud services layer in the specified region interacted with existing settings in a way that caused a significant number of instances to be taken out of service. This led to cascading failures across sign-in, query execution, data ingestion, and other dependent services.
provider
- resolved
Current status: We've implemented the fix for this issue and monitored the environment to confirm that service was restored. If you experience additional issues or have questions, please open a support case via Snowflake Community or the Support page in Snowsight. Customer experience: Customers hosted in the specified region may have been unable to access or use multiple Snowflake services and features. Affected users may have been unable to sign in, use Snowsight, execute queries, resume virtual warehouses, or ingest files using Snowpipe or Snowpipe Streaming. Scheduled tasks and other automated workloads may also have failed to run or may not start as expected. Impact start time: 17:50 UTC October 21, 2026 Impact end time: 21:25 UTC October 21, 2026 Preliminary root cause: A configuration change applied to the cloud services layer in the specified region interacted with existing settings in a way that caused a significant number of instances to be taken out of service. This led to cascading failures across sign-in, query execution, data ingestion, and other dependent services. A root cause analysis (RCA) will be conducted and a summary will be made available within 5 business days.
provider
- postmortem
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/INC20000301](https://community.snowflake.com/s/article/INC20000301)
provider
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Corrections
None so far.
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Questions about DWN-439d8da0af
Is Snowflake still down?
No, this incident was resolved 2026-10-21 23:29 UTC. For Snowflake's live state, see https://down.guide/snowflake.
How long did it last?
5h 3m, from 2026-10-21 18:26 UTC to 2026-10-21 23:29 UTC, by the times Snowflake posted.
What was affected?
Snowflake named Databases, Tables, and Views, Virtual Warehouses, Data Loading and Unloading, Applications and 2 more in us.
What caused it?
Snowflake wrote: "Current status: We're continuing to investigate the core systems that process requests in the impacted region to assist us in isolating the root cause of this issue." The postmortem: https://stspg.io/1p8djd2f3bkb
Where does this come from?
Snowflake's official status page, https://status.snowflake.com, quoted verbatim. down.guide's own probes, reports and social counts are labeled as ours.