San Antonio, TXHigh ≥ 87°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.
ICON +73.90u · WN2 −73.90u
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 ↓ |
|---|---|---|---|---|---|
| National Blend | 59% | 87.0°F | 2.2°F | 2026-10-19 06:00 | Pending |
| NWS forecast | 54% | 87.0°F | 4.5°F | 2026-10-19 14:00 | Pending |
| ICON | 42% | 85.5°F | 4.9°F | 2026-10-19 12:00 | Pending |
| IFS HRES | 34% | 84.5°F | 5.0°F | 2026-10-19 12:00 | Pending |
| IFS Ensemble | 26% | 85.0°F | 2.3°F | 2026-10-19 00:00 | Pending |
| AIFS Single | 22% | 83.0°F | 4.6°F | 2026-10-19 18:00 | Pending |
| WeatherNext 2 | 10% | 81.8°F | 3.7°F | 2026-10-19 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 ≥ 87°F · KSAT
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-KSAT-20261023-TMAX-GE87
Opened Oct 16 · 13:28 UTC
Original listing: San Antonio high ≥ 87°F · Fri Oct 23
Original prop, full history & receipt ↗