Dallas's forecast for Sunday has moved 6°F colder
55°F in the 20261110T18:00Z run, 49°F in the 20261112T12:00Z — the 3rd-largest revision of the 3 cities on the roster that moved at all. The current run's 10th-to-90th percentile spread at that hour is 9°F.
RevisionsThursday, November 12, 2026Dallas, Texas
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Milepost 1676
Successive cycles do not merely refresh a forecast; they leave a trail. For Sunday, November 15 at 15Z in Dallas, that trail runs from 55.1°F in the 20261110T18:00Z cycle to 48.9°F in the 20261112T12:00Z — a move of -6.3°F across 8 runs.
The change is about half the run's 10th-to-90th percentile spread, so the earlier forecast is still inside the current range of outcomes.
Model NBM-QMD, via api.weather.city /v1/history. Percentiles are the same run's own.
The numbers in this piece, with what they are measured against
| forecast revision for Sunday at 15Z api.weather.city /v1/history (nbm-qmd) |
-6.3 °F | normal 0.0 °F · 3 of 3 8 synoptic cycles |
| 10th-to-90th percentile spread at that hour api.weather.city (nbm-qmd) |
9.1 °F | normal 6.3 °F current run |
- Milepost
- 1676 · laid 2026-11-12T22:25:30Z
- Model
- nbm-qmd · cycle 20261112T12:00Z
- Desk
- revision v1
- Method
- the same valid time read from successive synoptic cycles; the move is last run minus first run
- Stores
- https://api.weather.city/v1/history
- Tagged
- I-500 Daily Weather · Dallas, Texas (32.777, -96.797) · by rule, at build
- Digest
- 757c021eb22c7b82cdcd7ddffdbbfc05a195195ff208d0065ecbd0aa0a810a9d