Sacramento, CAHigh ≥ 80°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.
WN2 +47.50u · ICON −47.50u
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 ↓ |
|---|---|---|---|---|---|
| WeatherNext 2 | 88% | 83.5°F | 3.4°F | 2026-09-16 12:00 | 0.7762 |
| AIFS Single | 71% | 81.8°F | 4.1°F | 2026-09-16 18:00 | 0.5069 |
| IFS Ensemble | 70% | 81.4°F | 3.7°F | 2026-09-16 00:00 | 0.4858 |
| IFS HRES | 66% | 81.1°F | 3.8°F | 2026-09-16 12:00 | 0.4422 |
| NWS forecast | 56% | 80.0°F | 3.1°F | 2026-09-16 14:00 | 0.3181 |
| National Blend | 44% | 79.0°F | 3.3°F | 2026-09-16 06:00 | 0.1927 |
| ICON | 17% | 76.1°F | 3.5°F | 2026-09-16 12:00 | 0.0286 |
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 ≥ 80°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-20260917-TMAX-GE80
Opened Sep 16 · 14:55 UTC
Original listing: Sacramento high ≥ 80°F · Thu Sep 17
Original prop, full history & receipt ↗