Salt Lake City, UTHigh ≥ 63°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 +49.45u · WN2 −49.45u
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 | 90% | 69.5°F | 5.6°F | 2026-10-09 18:00 | 0.0108 |
| ICON | 66% | 66.6°F | 9.8°F | 2026-10-09 12:00 | 0.1142 |
| IFS HRES | 65% | 65.0°F | 6.3°F | 2026-10-09 12:00 | 0.1204 |
| National Blend | 54% | 63.0°F | 5.5°F | 2026-10-09 06:00 | 0.2153 |
| IFS Ensemble | 53% | 63.0°F | 6.1°F | 2026-10-09 00:00 | 0.2181 |
| WeatherNext 2 | 12% | 56.6°F | 4.9°F | 2026-10-09 06:00 | 0.7832 |
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 ≥ 63°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-20261016-TMAX-GE63
Opened Oct 09 · 11:37 UTC
Original listing: Salt Lake City high ≥ 63°F · Fri Oct 16
Original prop, full history & receipt ↗