KCMH / Tue Oct 20 / OFFICIAL STATION RECORD

Columbus, OHHigh ≥ 77°F

CONSENSUS FORECAST2%Oct 15 · 11:39 UTC

THE FORECAST FIELD

Who takes which side?

0% · NO50%YES · 100%

34%

30%

16%

<1%

Consensus

Probabilities derived from each source’s mean and spread. Forecasts may have different initialization times.

HOW A MODEL CONTRACT WORKS

Head-to-head preview

ILLUSTRATIVE · NOT EXECUTED

AIFSYES 16.9¢Risks 16.85u

EPSNO 83.2¢Risks 83.15u

100 contracts at the midpoint of these model probabilities. Each contract pays 1u to the winning side.

AIFS +83.15u · EPS −83.15u

These are current forecast comparisons, not locked entries. No credits have been committed. Read the proposed policy →

FOLLOW THE RUNS

Probability history

Recorded Reconstructed

Reconstructed from archived summary forecasts using a shared lead-dependent Gaussian error model. Times are initializations, not verified release times.

AIFS SingleICONGFSUKMETGEMIFS archive

Inspect a forecast 2026-10-20T06:00:00+00:00 · UTC

View the forecast data

UTC	AIFS	ICON	GFS	UKMET	GEM	IFS*
2026-10-05T06:00:00+00:00	0.0%	—	—	—	—	—
2026-10-05T12:00:00+00:00	0.0%	—	—	—	—	0.2%
2026-10-05T18:00:00+00:00	1.1%	—	—	—	—	—
2026-10-06T00:00:00+00:00	0.4%	—	—	—	—	4.7%
2026-10-06T06:00:00+00:00	8.5%	—	—	—	—	—
2026-10-06T12:00:00+00:00	1.3%	—	—	—	—	4.5%
2026-10-06T18:00:00+00:00	12.6%	—	—	—	—	—
2026-10-07T00:00:00+00:00	0.1%	—	—	—	—	3.0%
2026-10-07T06:00:00+00:00	1.1%	—	—	—	—	—
2026-10-07T12:00:00+00:00	1.6%	—	—	—	—	3.3%
2026-10-07T18:00:00+00:00	1.4%	—	—	—	—	—
2026-10-08T00:00:00+00:00	8.1%	—	—	—	—	2.4%
2026-10-08T06:00:00+00:00	2.9%	—	—	—	—	—
2026-10-08T12:00:00+00:00	2.4%	—	—	—	—	3.2%
2026-10-08T18:00:00+00:00	0.5%	—	—	—	—	—
2026-10-09T00:00:00+00:00	1.1%	—	—	—	—	5.3%
2026-10-09T06:00:00+00:00	0.4%	—	—	—	—	—
2026-10-09T12:00:00+00:00	1.0%	—	—	—	—	6.2%
2026-10-09T18:00:00+00:00	5.8%	—	—	—	—	—
2026-10-10T00:00:00+00:00	11.0%	—	—	—	—	12.3%
2026-10-10T06:00:00+00:00	4.6%	—	—	—	—	—
2026-10-10T12:00:00+00:00	16.7%	—	—	—	—	11.0%
2026-10-10T18:00:00+00:00	10.9%	—	0.0%	—	—	—
2026-10-11T00:00:00+00:00	9.5%	—	—	—	—	8.3%
2026-10-11T06:00:00+00:00	19.7%	—	2.9%	—	—	—
2026-10-11T12:00:00+00:00	11.8%	—	—	—	—	9.0%
2026-10-11T18:00:00+00:00	8.9%	—	—	—	—	—
2026-10-12T00:00:00+00:00	2.9%	—	6.3%	—	—	8.5%
2026-10-12T06:00:00+00:00	13.4%	—	0.5%	—	—	—
2026-10-12T12:00:00+00:00	11.7%	—	2.0%	—	—	5.3%
2026-10-12T18:00:00+00:00	19.8%	—	3.9%	—	—	—
2026-10-13T00:00:00+00:00	19.4%	0.1%	7.7%	—	—	5.6%
2026-10-13T06:00:00+00:00	13.8%	—	0.5%	—	—	—
2026-10-13T12:00:00+00:00	19.4%	9.0%	0.2%	0.3%	—	4.5%
2026-10-13T18:00:00+00:00	11.1%	—	0.7%	—	—	—
2026-10-14T00:00:00+00:00	10.9%	11.7%	4.4%	0.7%	—	2.7%
2026-10-14T06:00:00+00:00	6.9%	—	6.2%	—	—	—
2026-10-14T12:00:00+00:00	7.8%	10.0%	4.2%	3.5%	—	1.2%
2026-10-14T18:00:00+00:00	8.0%	—	3.8%	—	—	—
2026-10-15T00:00:00+00:00	14.9%	12.3%	1.2%	1.1%	—	1.5%
2026-10-15T06:00:00+00:00	7.0%	0.0%	0.7%	—	—	—
2026-10-15T12:00:00+00:00	12.5%	5.1%	1.9%	0.6%	—	2.1%
2026-10-15T18:00:00+00:00	9.5%	4.3%	1.0%	—	—	—
2026-10-16T00:00:00+00:00	11.3%	9.4%	0.7%	0.9%	—	1.7%
2026-10-16T06:00:00+00:00	10.3%	13.0%	1.2%	—	—	1.5%
2026-10-16T12:00:00+00:00	8.3%	10.2%	1.1%	1.3%	—	1.4%
2026-10-16T18:00:00+00:00	8.4%	3.8%	0.6%	—	—	1.1%
2026-10-17T00:00:00+00:00	6.2%	4.2%	1.0%	0.4%	—	0.7%
2026-10-17T06:00:00+00:00	3.2%	1.6%	0.3%	—	—	0.4%
2026-10-17T12:00:00+00:00	2.5%	1.0%	0.3%	0.2%	0.0%	0.3%
2026-10-17T18:00:00+00:00	1.8%	0.9%	0.3%	—	—	0.2%
2026-10-18T00:00:00+00:00	1.9%	1.1%	0.3%	0.2%	—	0.1%
2026-10-18T06:00:00+00:00	1.2%	0.9%	0.2%	0.0%	—	0.1%
2026-10-18T12:00:00+00:00	0.9%	0.6%	0.2%	0.1%	0.0%	0.1%
2026-10-18T18:00:00+00:00	0.9%	1.2%	0.1%	0.0%	—	—
2026-10-19T00:00:00+00:00	0.7%	2.5%	0.1%	0.1%	0.2%	0.1%
2026-10-19T06:00:00+00:00	0.4%	1.5%	0.1%	0.0%	—	0.0%
2026-10-19T12:00:00+00:00	0.4%	0.7%	0.1%	0.0%	0.1%	0.0%
2026-10-19T18:00:00+00:00	0.6%	1.0%	0.1%	0.0%	—	0.0%
2026-10-20T00:00:00+00:00	0.4%	1.1%	0.1%	0.0%	0.3%	0.0%
2026-10-20T06:00:00+00:00	0.1%	—	0.0%	0.0%	—	0.0%

THE MODEL BOX SCORE

Forecasts & evidence

MODEL	YES	MEAN	SPREAD σ	INITIALIZATION UTC	BRIER ↓
AIFS Single	34%	74.4°F	5.0°F	2026-10-15 00:00	Pending
ICON	30%	73.3°F	5.9°F	2026-10-15 00:00	Pending
WeatherNext 2	16%	72.4°F	4.1°F	2026-10-15 00:00	Pending
IFS HRES	6%	67.6°F	5.8°F	2026-10-15 00:00	Pending
NWS forecast	5%	68.0°F	5.2°F	2026-10-15 03:00	Pending
IFS Ensemble	<1%	66.5°F	3.1°F	2026-10-14 00:00	Pending
National Blend	<1%	66.0°F	3.3°F	2026-10-15 06:00	Pending

Spread is the standard deviation used in the probability approximation. It is not a measured confidence rating. Brier here scores the latest recorded snapshot, not a league deadline.

SETTLEMENT & PROVENANCE

High ≥ 77°F · KCMH

Daily temperature props settle on the ACIS official station record. Inclusive and strict thresholds retain their exact meanings. Provisional observations do not replace the settlement record.

WP-KCMH-20261020-TMAX-GE77
Opened Oct 13 · 08:03 UTC

Original listing: Columbus runs hot-for-here: 77°F+ · Tue Oct 20

Original prop, full history & receipt ↗