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Milepost
1188

TheForecast Post

A chronicle of American weather and climate  ·  Wednesday, 23 September 2026

Kansas City, Missouri Revisions MILEPOST 1188

Kansas City's forecast for Friday has moved 6°F warmer

70°F in the 20260921T00:00Z run, 77°F in the 20260923T00:00Z — the 3rd-largest revision of the 5 cities on the roster that moved at all. The current run's 10th-to-90th percentile spread at that hour is 14°F.

Successive cycles do not merely refresh a forecast; they leave a trail. For Friday, September 25 at 18Z in Kansas City, that trail runs from 70.2°F in the 20260921T00:00Z cycle to 76.7°F in the 20260923T00:00Z — a move of +6.5°F across 8 runs.

The change sits well inside the run's own spread, which is the guidance converging rather than reversing.

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 Friday at 18Z
api.weather.city /v1/history (nbm-qmd)
6.5 °F normal 0.0 °F · 3 of 5
8 synoptic cycles
10th-to-90th percentile spread at that hour
api.weather.city (nbm-qmd)
14 °F normal 6.5 °F
current run
Milepost
1188 · laid 2026-09-23T10:25:25Z
Model
nbm-qmd · cycle 20260923T00:00Z
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
c7b01a79f9c5494f54a2bc9a410ef5b84630c6a097b2ba59e224aaa95129dd70
Machine
JSON