Pittsburgh, PAHigh ≥ 79°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 EXECUTED100 contracts at the midpoint of these model probabilities. Each contract pays 1u to the winning side.
AIFS +26.75u · EPS −26.75u
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 | 97% | 89.2°F | 5.5°F | 2026-09-10 00:00 | Pending |
| IFS HRES | 96% | 89.3°F | 6.1°F | 2026-09-10 00:00 | Pending |
| WeatherNext 2 | 75% | 81.9°F | 5.0°F | 2026-09-09 18:00 | Pending |
| ICON | 72% | 84.2°F | 9.8°F | 2026-09-10 00:00 | Pending |
| National Blend | 55% | 79.4°F | 6.7°F | 2026-09-10 00:00 | Pending |
| IFS Ensemble | 49% | 78.4°F | 4.4°F | 2026-09-09 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.
High ≥ 79°F · KPIT
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-KPIT-20260917-TMAX-GE79
Opened Sep 10 · 07:40 UTC
Original listing: Pittsburgh high ≥ 79°F · Thu Sep 17
Original prop, full history & receipt ↗