Indianapolis, INHigh ≥ 59°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.
EPS +41.50u · HRES −41.50u
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 ↓ |
|---|---|---|---|---|---|
| IFS Ensemble | 81% | 61.5°F | 3.4°F | 2026-10-13 00:00 | 0.6577 |
| ICON | 57% | 59.4°F | 4.8°F | 2026-10-13 12:00 | 0.3295 |
| NWS forecast | 55% | 59.0°F | 4.5°F | 2026-10-13 14:00 | 0.2970 |
| National Blend | 46% | 58.0°F | 4.4°F | 2026-10-13 06:00 | 0.2070 |
| WeatherNext 2 | 40% | 57.6°F | 3.7°F | 2026-10-13 12:00 | 0.1632 |
| AIFS Single | 38% | 57.1°F | 4.6°F | 2026-10-13 18:00 | 0.1444 |
| IFS HRES | 36% | 56.7°F | 5.0°F | 2026-10-13 12:00 | 0.1289 |
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 ≥ 59°F · KIND
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-KIND-20261017-TMAX-GE59
Opened Oct 11 · 03:45 UTC
Original listing: Indianapolis high ≥ 59°F · Sat Oct 17
Original prop, full history & receipt ↗