Critical impactResolvedDatabases

Snowflake outage: AWS - US West (Oregon): INC0154019

Snowflake reported this critical-impact incident on its official status page on Mar 21, 2026, 06:38 UTC. It was resolved after 34 min.

Right now Snowflake is degraded. Live Snowflake status →

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Mar 21, 2026, 06:38 UTC
started
Mar 21, 2026, 07:12 UTC
resolved
34 min
duration
Critical
impact

Affected components

  • AI and ML
  • Alerts and Notifications
  • Applications
  • Business Continuity
  • Data Loading and Unloading
  • Databases, Tables, and Views
  • Developer Tools
  • Listings and Collaboration
  • Organization and Account Management
  • Security and Privacy Features
  • Snowpark Container Services
  • Virtual Warehouses
  1. postmortemMar 27, 2026, 23:14 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/INC0154019](https://community.snowflake.com/s/article/INC0154019)

  2. resolvedMar 21, 2026, 07:12 UTC

    <b>Current status:</b> 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. <b>Customer experience:</b> Customers hosted in the specified regions may have been unable to access or use multiple core Snowflake services and features. Affected users may have been unable to sign in, execute queries, or manage data. Users would have encountered HTTP 404 or other similar errors. <b>Incident start time:</b> 05:27 UTC March 21, 2026 <b>Incident end time:</b> 06:18 UTC March 21, 2026 <b>Preliminary root cause:</b> The investigation determined that infrastructure responsible for high-level traffic routing and name resolution became degraded, which caused customers to encounter HTTP 404 errors when attempting to access or use certain Snowflake services. A root cause analysis (RCA) document will be pub

  3. monitoringMar 21, 2026, 06:38 UTC

    <b>Current status:</b> We've implemented the fix for this issue, and we'll continue to monitor the environment until we're confident all services are functioning properly. <b>Customer experience:</b> Customers hosted in the specified regions may have been unable to access or use multiple core Snowflake services and features. Affected users may have been unable to sign in, execute queries, or manage data. Users would have encountered HTTP 404 or other similar errors. <b>Incident start time:</b> 05:27 UTC March 21, 2026 <b>Incident end time:</b> 06:18 UTC March 21, 2026 <b>Preliminary root cause:</b> The investigation determined that infrastructure responsible for high-level traffic routing and name resolution became degraded, which caused customers to encounter HTTP 404 errors when attempting to access or use certain Snowflake services.

  4. identifiedMar 21, 2026, 06:23 UTC

    <b>Current status:</b> We've identified the source of the issue, and we're developing and implementing a fix to restore service. We'll provide another update within 30 minutes. <b>Customer experience:</b> 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, execute queries, or manage data. <b>ETA:</b> An ETA is not yet available. We'll provide one as soon as possible. <b>Incident start time:</b> 05:31 UTC March 21, 2026

  5. investigatingMar 21, 2026, 06:02 UTC

    <b>Current status:</b> We're investigating an issue with Snowflake Data Cloud. We'll provide an update within 30 minutes. <b>Customer experience:</b> 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, execute queries, or manage data. <b>Incident start time:</b> 05:31 UTC March 21, 2026

What APIStatus.watch saw

Our 5-minute checks didn't record a change in Snowflake's overall status around this incident. Smaller or regional incidents often leave a provider's overall status green.

Other services with incidents at the same time

Overlapping incidents aren't necessarily related.

How often does Snowflake have incidents?

Snowflake reported 23 incidents in the last 90 days, 18 of them major or critical. A typical incident lasted 1h 56m. See Snowflake's uptime and incident history

Snowflake outage on Mar 21, 2026: AWS - US West (Oregon): INC0154019 · APIStatus.watch