Detroit, MIHigh ≥ 56°F
Who takes which side?
Probabilities derived from each source’s mean and spread. Forecasts may have different initialization times.
Head-to-head preview
ILLUSTRATIVE · NOT EXECUTED50 contracts at the midpoint of these model probabilities. Each contract pays 1u to the winning side.
AIFS +6.77u · EPS −6.77u
These are current forecast comparisons, not locked entries. No credits have been committed. Read the proposed policy →
Probability history
Reconstructed from archived summary forecasts using a shared lead-dependent Gaussian error model. Times are initializations, not verified release times.
Forecasts & evidence
| MODEL | YES | MEAN | SPREAD σ | INITIALIZATION UTC | BRIER ↓ |
|---|---|---|---|---|---|
| AIFS Single | 96% | 65.3°F | 5.6°F | 2026-10-11 18:00 | 0.0016 |
| WeatherNext 2 | 95% | 63.5°F | 5.0°F | 2026-10-11 12:00 | 0.0028 |
| IFS HRES | 94% | 65.2°F | 6.3°F | 2026-10-11 12:00 | 0.0040 |
| ICON | 84% | 65.1°F | 9.9°F | 2026-10-11 12:00 | 0.0272 |
| IFS Ensemble | 77% | 59.7°F | 5.7°F | 2026-10-11 00:00 | 0.0534 |
| National Blend | 52% | 56.0°F | 8.8°F | 2026-10-11 06:00 | 0.2275 |
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.
High ≥ 56°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-20261018-TMAX-GE56
Opened Oct 11 · 11:19 UTC
Original listing: Detroit high ≥ 56°F · Sun Oct 18
Original prop, full history & receipt ↗