Richmond, VAHigh ≥ 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.
AIFS +52.00u · WN2 −52.00u
These are current forecast comparisons, not locked entries. No credits have been committed. Read the proposed policy →
Probability history
Recorded source probabilities; timestamps mark snapshots. Repeated values may come from the same model run.
Forecasts & evidence
| MODEL | YES | MEAN | SPREAD σ | INITIALIZATION UTC | BRIER ↓ |
|---|---|---|---|---|---|
| AIFS Single | 81% | 90.3°F | 4.4°F | 2026-09-28 18:00 | 0.0369 |
| ICON | 69% | 88.4°F | 3.9°F | 2026-09-28 12:00 | 0.0980 |
| IFS HRES | 60% | 87.6°F | 4.5°F | 2026-09-28 12:00 | 0.1624 |
| NWS forecast | 55% | 87.0°F | 3.9°F | 2026-09-28 14:00 | 0.2016 |
| IFS Ensemble | 52% | 86.6°F | 2.1°F | 2026-09-28 00:00 | 0.2314 |
| National Blend | 42% | 85.8°F | 3.3°F | 2026-09-28 06:00 | 0.3411 |
| WeatherNext 2 | 15% | 82.7°F | 3.7°F | 2026-09-28 12:00 | 0.7191 |
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 · KRIC
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-KRIC-20261001-TMAX-GE87
Opened Sep 28 · 14:48 UTC
Original listing: Richmond high ≥ 87°F · Thu Oct 1
Original prop, full history & receipt ↗