Phoenix, AZHigh ≥ 93°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.
ICON +44.30u · WN2 −44.30u
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 ↓ |
|---|---|---|---|---|---|
| ICON | 20% | 86.6°F | 7.1°F | 2026-10-20 00:00 | Pending |
| IFS HRES | 17% | 86.2°F | 6.6°F | 2026-10-20 00:00 | Pending |
| AIFS Single | 15% | 86.9°F | 5.4°F | 2026-10-20 00:00 | Pending |
| NWS forecast | 7% | 84.0°F | 5.9°F | 2026-10-20 03:00 | Pending |
| IFS Ensemble | 4% | 83.4°F | 5.3°F | 2026-10-20 00:00 | Pending |
| National Blend | 3% | 84.0°F | 4.4°F | 2026-10-20 06:00 | Pending |
| WeatherNext 2 | 2% | 83.3°F | 4.7°F | 2026-10-20 00:00 | 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.
High ≥ 93°F · KPHX
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-KPHX-20261026-TMAX-GE93
Opened Oct 19 · 07:34 UTC
Original listing: Phoenix runs hot-for-here: 93°F+ · Mon Oct 26
Original prop, full history & receipt ↗