Salt Lake City, UTHigh ≥ 69°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.
HRES +50.40u · WN2 −50.40u
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 ↓ |
|---|---|---|---|---|---|
| IFS HRES | 77% | 71.2°F | 3.7°F | 2026-10-18 12:00 | Pending |
| National Blend | 75% | 70.0°F | 2.2°F | 2026-10-18 06:00 | Pending |
| AIFS Single | 73% | 70.9°F | 3.9°F | 2026-10-18 18:00 | Pending |
| IFS Ensemble | 57% | 69.3°F | 4.3°F | 2026-10-18 00:00 | Pending |
| NWS forecast | 56% | 69.0°F | 3.1°F | 2026-10-18 14:00 | Pending |
| ICON | 30% | 66.6°F | 3.5°F | 2026-10-18 12:00 | Pending |
| WeatherNext 2 | 22% | 66.3°F | 2.9°F | 2026-10-18 12:00 | 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 ≥ 69°F · KSLC
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-KSLC-20261019-TMAX-GE69
Opened Oct 14 · 03:45 UTC
Original listing: Salt Lake City high ≥ 69°F · Mon Oct 19
Original prop, full history & receipt ↗