Sacramento, CAHigh ≥ 82°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 +44.55u · ICON −44.55u
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 | 97% | 88.2°F | 3.7°F | 2026-09-15 00:00 | 0.9332 |
| WeatherNext 2 | 83% | 84.7°F | 3.4°F | 2026-09-15 18:00 | 0.6839 |
| AIFS Single | 78% | 84.7°F | 4.1°F | 2026-09-15 18:00 | 0.6100 |
| IFS HRES | 62% | 82.6°F | 3.8°F | 2026-09-15 12:00 | 0.3782 |
| National Blend | 58% | 82.0°F | 2.3°F | 2026-09-16 00:00 | 0.3422 |
| NWS forecast | 57% | 82.0°F | 2.8°F | 2026-09-16 02:00 | 0.3260 |
| ICON | 14% | 77.7°F | 3.6°F | 2026-09-15 12:00 | 0.0204 |
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 ≥ 82°F · KSMF
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-KSMF-20260916-TMAX-GE82
Opened Sep 10 · 03:10 UTC
Original listing: Sacramento high ≥ 82°F · Wed Sep 16
Original prop, full history & receipt ↗