Dallas's forecast for Sunday has moved 13°F colder
68°F in the 20261110T06:00Z run, 55°F in the 20261112T00:00Z — the largest revision of any city on the roster. The current run's 10th-to-90th percentile spread at that hour is 18°F.
RevisionsThursday, November 12, 2026Dallas, Texas
JSON
Milepost 1669
Successive cycles do not merely refresh a forecast; they leave a trail. For Sunday, November 15 at 21Z in Dallas, that trail runs from 68.0°F in the 20261110T06:00Z cycle to 55.0°F in the 20261112T00:00Z — a move of -13.1°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 21Z api.weather.city /v1/history (nbm-qmd) |
-13.1 °F | normal 0.0 °F · 1 of 4 8 synoptic cycles |
| 10th-to-90th percentile spread at that hour api.weather.city (nbm-qmd) |
18.2 °F | normal 13.1 °F current run |
- Milepost
- 1669 · laid 2026-11-12T10:25:31Z
- Model
- nbm-qmd · cycle 20261112T00:00Z
- 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
- 5044ff36f23657d3bbeb697219451e4c29c5a20831ce579f37a62f14b71de794