KDTW / Wed Oct 21 / OFFICIAL STATION RECORD

Detroit, MIHigh ≥ 69°F

CONSENSUS FORECAST24%Oct 18 · 03:28 UTC

THE FORECAST FIELD

Who takes which side?

0% · NO50%YES · 100%

45%

45%

25%

16%

Consensus

24%

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 25.1¢Risks 25.15u

ICONNO 74.8¢Risks 74.85u

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

AIFS +74.85u · ICON −74.85u

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

FOLLOW THE RUNS

Probability history

Recorded Reconstructed

Recorded source probabilities; timestamps mark snapshots. Repeated values may come from the same model run.

AIFS SingleIFS EnsembleWeatherNext 2IFS HRESICON

Inspect a forecast 2026-10-18T03:28:29+00:00 · UTC

View the forecast data

UTC	AIFS	EPS	WN2	HRES	ICON
2026-10-17T15:24:48+00:00	43.1%	15.9%	58.5%	28.1%	16.8%
2026-10-17T16:10:32+00:00	43.1%	15.9%	58.5%	28.1%	16.8%
2026-10-17T16:55:40+00:00	43.1%	15.9%	52.1%	28.1%	16.8%
2026-10-17T17:40:49+00:00	43.1%	15.9%	52.1%	28.1%	16.8%
2026-10-17T18:25:56+00:00	43.1%	15.9%	52.1%	28.1%	16.8%
2026-10-17T19:11:03+00:00	43.1%	15.9%	52.1%	28.1%	16.8%
2026-10-17T19:56:12+00:00	38.9%	15.9%	52.1%	24.8%	5.5%
2026-10-17T20:41:30+00:00	38.9%	15.9%	52.1%	24.8%	5.5%
2026-10-17T21:26:38+00:00	38.9%	15.9%	52.1%	24.8%	5.5%
2026-10-17T22:11:54+00:00	38.9%	15.9%	52.1%	24.8%	5.5%
2026-10-17T22:57:02+00:00	38.9%	15.9%	44.7%	24.8%	5.5%
2026-10-17T23:42:12+00:00	38.9%	15.9%	44.7%	24.8%	5.5%
2026-10-18T00:27:24+00:00	38.9%	15.9%	44.7%	24.8%	5.5%
2026-10-18T01:12:54+00:00	38.9%	15.9%	44.7%	24.8%	5.5%
2026-10-18T01:58:13+00:00	44.8%	15.9%	44.7%	24.8%	5.5%
2026-10-18T02:43:22+00:00	44.8%	15.9%	44.7%	24.8%	5.5%
2026-10-18T03:28:29+00:00	44.8%	15.9%	44.7%	24.8%	5.5%

THE MODEL BOX SCORE

Forecasts & evidence

MODEL	YES	MEAN	SPREAD σ	INITIALIZATION UTC	BRIER ↓
NWS forecast	54%	69.0°F	4.5°F	2026-10-17 14:00	Pending
AIFS Single	45%	67.9°F	4.6°F	2026-10-17 18:00	Pending
WeatherNext 2	45%	68.0°F	3.7°F	2026-10-17 12:00	Pending
National Blend	25%	67.0°F	2.2°F	2026-10-17 06:00	Pending
IFS HRES	25%	65.1°F	5.0°F	2026-10-17 12:00	Pending
IFS Ensemble	16%	65.8°F	2.7°F	2026-10-17 00:00	Pending
ICON	6%	60.7°F	4.9°F	2026-10-17 12:00	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 ≥ 69°F · KDTW

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-KDTW-20261021-TMAX-GE69
Opened Oct 17 · 15:24 UTC

Original listing: Detroit high ≥ 69°F · Wed Oct 21

Original prop, full history & receipt ↗