Outage in Tomorrow.io
Classic Model: Incomplete Forecast Intervals (Dec 17–20)
Resolved MinorIncident Report
Between 12Z on December 17 and 00Z on December 20, forecast data from the classic model was missing its final intervals. This affected the total forecast length returned by the /v4/timelines API, reducing it from the expected +360 hours to approximately +276–348 hours.
The issue has been identified, resolved, and affected data has been backfilled. Forecasts now return the full expected interval range.
We apologize for any inconvenience this may have caused and appreciate your understanding.
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RESOLVED
4 months ago - at 12/21/2025 07:58AM
Between 12Z on December 17 and 00Z on December 20, forecast data from the classic model was missing its final intervals. This affected the total forecast length returned by the /v4/timelines API, reducing it from the expected +360 hours to approximately +276–348 hours.
The issue has been identified, resolved, and affected data has been backfilled. Forecasts now return the full expected interval range.
We apologize for any inconvenience this may have caused and appreciate your understanding.
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