Denver, Colorado Revisions
MILEPOST 1363
Denver's forecast for Thursday has moved 10°F colder
65°F in the 20261010T06:00Z run, 54°F in the 20261012T00:00Z — the 2nd-largest revision of the 11 cities on the roster that moved at all. The current run's 10th-to-90th percentile spread at that hour is 13°F.
Successive cycles do not merely refresh a forecast; they leave a trail. For Thursday, October 15 at 21Z in Denver, that trail runs from 64.8°F in the 20261010T06:00Z cycle to 54.3°F in the 20261012T00:00Z — a move of -10.5°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 Thursday at 21Z api.weather.city /v1/history (nbm-qmd) |
-10.5 °F | normal 0.0 °F · 2 of 11 8 synoptic cycles |
| 10th-to-90th percentile spread at that hour api.weather.city (nbm-qmd) |
13.4 °F | normal 10.5 °F current run |
- Milepost
- 1363 · laid 2026-10-12T10:25:16Z
- Model
- nbm-qmd · cycle 20261012T00:00Z
- Desk
- revision v1
- Method
- the same valid time read from successive synoptic cycles; the move is last run minus first run
- Source
- https://api.weather.city/v1/history
- Digest
- 17319ff2c3100fe18941191120aab1fdd6b61128f5b3e90bee15ce7ec8cf9941
- Machine
- JSON