Dallas's forecast for Monday has moved 8°F colder
58°F in the 20261111T12:00Z run, 50°F in the 20261113T06:00Z — the 2nd-largest revision of the 6 cities on the roster that moved at all. The current run's 10th-to-90th percentile spread at that hour is 6°F.
RevisionsFriday, November 13, 2026Dallas, Texas
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Milepost 1682
Successive cycles do not merely refresh a forecast; they leave a trail. For Monday, November 16 at 00Z in Dallas, that trail runs from 57.8°F in the 20261111T12:00Z cycle to 50.1°F in the 20261113T06:00Z — a move of -7.7°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 Monday at 00Z api.weather.city /v1/history (nbm-qmd) |
-7.7 °F | normal 0.0 °F · 2 of 6 8 synoptic cycles |
| 10th-to-90th percentile spread at that hour api.weather.city (nbm-qmd) |
5.9 °F | normal 7.7 °F current run |
- Milepost
- 1682 · laid 2026-11-13T16:25:31Z
- Model
- nbm-qmd · cycle 20261113T06:00Z
- 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
- 7f6132e345c8c7a0ec9cf7df64900147fb611c2986636a9c83189bdf9b9a5c7e