Salt Lake City, Utah Revisions
MILEPOST 1106
Salt Lake City's forecast for Saturday has moved 8°F warmer
73°F in the 20260914T12:00Z run, 81°F in the 20260916T00:00Z — the 3rd-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 12°F.
Successive cycles do not merely refresh a forecast; they leave a trail. For Saturday, September 26 at 00Z in Salt Lake City, that trail runs from 73.4°F in the 20260914T12:00Z cycle to 81.2°F in the 20260916T00:00Z — a move of +7.8°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 Saturday at 00Z api.weather.city /v1/history (nbm-qmd) |
7.8 °F | normal 0.0 °F · 3 of 6 8 synoptic cycles |
| 10th-to-90th percentile spread at that hour api.weather.city (nbm-qmd) |
11.5 °F | normal 7.8 °F current run |
- Milepost
- 1106 · laid 2026-09-16T10:25:12Z
- Model
- nbm-qmd · cycle 20260916T00:00Z
- 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
- 18ea23eace9b6a0f587387ede7ed509b8d300852d49450cdae3f9993f7b37df2
- Machine
- JSON