Dallas's forecast for Tuesday has moved 12°F colder
68°F in the 20261109T06:00Z run, 56°F in the 20261111T00:00Z — the 2nd-largest revision of the 10 cities on the roster that moved at all. The current run's 10th-to-90th percentile spread at that hour is 12°F.
RevisionsWednesday, November 11, 2026Dallas, Texas
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Milepost 1656
Successive cycles do not merely refresh a forecast; they leave a trail. For Tuesday, November 17 at 00Z in Dallas, that trail runs from 68.4°F in the 20261109T06:00Z cycle to 56.0°F in the 20261111T00:00Z — a move of -12.3°F across 8 runs.
The change is larger than the run's own 10th-to-90th percentile spread — the guidance did not merely narrow, it moved off its previous position.
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 Tuesday at 00Z api.weather.city /v1/history (nbm-qmd) |
-12.3 °F | normal 0.0 °F · 2 of 10 8 synoptic cycles |
| 10th-to-90th percentile spread at that hour api.weather.city (nbm-qmd) |
11.5 °F | normal 12.3 °F current run |
- Milepost
- 1656 · laid 2026-11-11T10:25:29Z
- Model
- nbm-qmd · cycle 20261111T00:00Z
- 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
- cc2ca58f78f63bad90ab2fc8b8c593dc169097a054e3d571d645c6d4745ce4ac