Jacksonville, FLHigh ≥ 86°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 +79.40u · EPS −79.40u
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 | 41% | 83.9°F | 7.1°F | 2026-10-17 00:00 | Pending |
| AIFS Single | 32% | 82.9°F | 5.4°F | 2026-10-17 00:00 | Pending |
| WeatherNext 2 | 28% | 82.5°F | 5.1°F | 2026-10-16 18:00 | Pending |
| NWS forecast | 7% | 77.0°F | 5.9°F | 2026-10-17 03:00 | Pending |
| IFS HRES | 5% | 74.4°F | 6.6°F | 2026-10-17 00:00 | Pending |
| National Blend | 4% | 76.0°F | 5.6°F | 2026-10-17 00:00 | Pending |
| IFS Ensemble | <1% | 77.2°F | 2.6°F | 2026-10-16 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 ≥ 86°F · KJAX
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-KJAX-20261023-TMAX-GE86
Opened Oct 16 · 13:28 UTC
Original listing: Jacksonville runs hot-for-here: 86°F+ · Fri Oct 23
Original prop, full history & receipt ↗